PV-DELETED BOVINE ADENOVIRUS

Abstract

The present application provided defective bovine adenovirus (BAV) vectors that lack pV function. Cell lines and methods of preparing such vectors are provided. In addition, the invention provides methods of treating a disease or disorder with a defective BAV lacking pV function as well as vaccine comprising a defective BAV lacking pV function.

Claims

1. A defective bovine adenovirus (BAV) vector comprising inverted terminal repeat sequences and BAV packaging sequences, wherein the BAV vector lacks pV functions.

2. The defective BAV vector of claim 1, wherein the BAV vector comprises one or more modifications of the nucleic acid encoding pV wherein the pV lacks nuclear localization functions and/or nucleolar localization functions.

3. The defective BAV vector of claim 1 or 2, wherein the BAV vector comprises a deletion of part or all of the coding region for pV.

4. The defective BAV vector of any one of claims 1-3, wherein the BAV vector comprises a deletion of all of the coding region for pV.

5. The defective BAV vector of any one of claims 1-4, wherein the BAV vector comprises a deletion corresponding to nucleotides 15068 to 16299 of SEQ ID NO:1.

6. The defective BAV vector of any one of claims 1-5, wherein the BAV vector comprises a deletion of nucleotides encoding amino acid residues 1-423 of the pV set forth in SEQ ID NO:2.

7. The defective BAV vector of any one of claims 1-3, wherein the BAV vector comprises a deletion of nucleotides encoding amino acid residues 21-50 and 380-389 of the pV set forth in SEQ ID NO:2.

8. The defective BAV vector of any one of claims 1-3, wherein the BAV vector comprises a deletion of nucleotides encoding amino acid residues 21-50, 190-210 and 380-389 of the pV set forth in SEQ ID NO:2.

9. The defective BAV vector of any one of claims 1-3, wherein the BAV vector comprises a deletion of nucleotides encoding amino acid residues 21-50 and 380-423 of the pV set forth in SEQ ID NO:2.

10. The defective BAV vector of any one of claims 1-3, wherein the BAV vector comprises a deletion of nucleotides encoding amino acid residues 21-50, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2.

11. The defective BAV vector of any one of claims 1-3, wherein the BAV vector comprises a deletion of nucleotides encoding amino acid residues 21-50, 190-210 and 323-423 of the pV set forth in SEQ ID NO:2.

12. The defective BAV vector of any one of claims 1-3, wherein the BAV vector comprises a deletion of nucleotides encoding amino acid residues 21-50 and 190-423 of the pV set forth in SEQ ID NO:2.

13. The defective BAV vector of any one of claims 1-3, wherein the BAV vector comprises a deletion of nucleotides encoding amino acid residues 21-50, 101-210 and 380-423 of the pV set forth in SEQ ID NO:2.

14. The defective BAV vector of any one of claims 1-3, wherein the BAV vector comprises a deletion of nucleotides encoding amino acid residues 3-100, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2.

15. The defective BAV vector of any one of claims 1-3, wherein the BAV vector comprises a deletion of nucleotides encoding amino acid residues 21-50, 81-120, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2.

16. The defective BAV vector of any one of claims 1-3, wherein the BAV vector comprises a deletion of nucleotides encoding amino acid residues 81-120, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2.

17. The defective BAV vector of any one of claims 1-3, wherein the BAV vector comprises a deletion of nucleotides encoding amino acid residues 81-120, 190-210 and 390-423 of the pV set forth in SEQ ID NO:2.

18. The defective BAV vector of claim 1, wherein the BAV vector comprises one or more substitutions of the nucleic acid encoding pV such that the BAV pV lacks nuclear localization functions and/or nucleolar localization functions.

19. The defective BAV vector of claim 18, wherein substitution of the nucleic acid encoding pV results in the substitution of one or more of amino acid residues 21-50 or 380-389 of the pV set forth in SEQ ID NO:2.

20. The defective BAV vector of claim 19, wherein the pV comprises the sequence set forth in SEQ ID NO:15.

21. The defective BAV vector of any one of claims 1-20, wherein the BAV vector further comprises a deletion of all or part of the E3 region.

22. The defective BAV vector of any one of claims 1-21, wherein the BAV vector further comprises nucleic acid encoding a heterologous transgene.

23. The defective BAV vector of claim 22, wherein the nucleic acid encoding the heterologous transgene is located in the E3 region.

24. The defective BAV vector of claim 22 or 23, wherein the heterologous transgene encodes a therapeutic polypeptide or a therapeutic nucleic acid.

25. The defective BAV vector of any one of claims 22-24, wherein the heterologous transgene encodes a coagulation factor, a hormone, a cytokine, a lymphokine, an oncogene product, a tumor suppressor, a cell receptor, a ligand for a cell receptor, a protease inhibitor, an antibody, a toxin, an immunogenic polypeptide, an antibody, a dystrophin, a cystic fibrosis transmembrane conductance regulator (CFTR), siRNA, mRNA, miRNA, lncRNA, tRNA, or shRNA.

26. The defective BAV vector of any one of claims 1-21, wherein the BAV vector is a BAV-3 vector.

27. A recombinant bovine adenovirus (rBAV) particle, wherein the rBAV particle comprises a rBAV genome comprising inverted terminal repeat sequences and BAV packaging sequences, wherein the BAV genome lacks pV functions.

28. The rBAV particle of claim 27, wherein the rBAV genome comprises one or more modifications of the nucleic acid encoding pV wherein the pV lacks nuclear localization functions and/or nucleolar localization functions.

29. The rBAV particle of claim 27 or 28, wherein the rBAV genome comprises a deletion of part or all of the coding region for pV.

30. The rBAV particle of any one of claims 27-29, wherein the rBAV genome comprises a deletion of all of the coding region for pV.

31. The rBAV particle of any one of claims 27-30, wherein the rBAV genome comprises a deletion corresponding to nucleotides 15068 to 16299 of SEQ ID NO:1.

32. The rBAV particle of any one of claims 27-31, wherein the rBAV genome comprises a deletion of nucleotides encoding amino acid residues 1-423 of the pV set forth in SEQ ID NO:2.

33. The rBAV particle of any one of claims 27-30, wherein the rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50 and 380-389 of the pV set forth in SEQ ID NO:2.

34. The rBAV particle of any one of claims 27-30, wherein the rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50, 190-210 and 380-389 of the pV set forth in SEQ ID NO:2.

35. The rBAV particle of any one of claims 27-30, wherein the rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50 and 380-423 of the pV set forth in SEQ ID NO:2.

36. The rBAV particle of any one of claims 27-30, wherein the rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2.

37. The rBAV particle of any one of claims 27-30, wherein the rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50, 190-210 and 323-423 of the pV set forth in SEQ ID NO:2.

38. The rBAV particle of any one of claims 27-30, wherein the rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50 and 190-423 of the pV set forth in SEQ ID NO:2.

39. The rBAV particle of any one of claims 27-30, wherein the rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50, 101-210 and 380-423 of the pV set forth in SEQ ID NO:2.

40. The rBAV particle of any one of claims 27-30, wherein the rBAV genome comprises a deletion of nucleotides encoding amino acid residues 3-100, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2.

41. The rBAV particle of any one of claims 27-30, wherein the rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50, 81-120, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2.

42. The rBAV particle of any one of claims 27-30, wherein the rBAV genome comprises a deletion of nucleotides encoding amino acid residues 81-120, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2.

43. The rBAV particle of any one of claims 27-30, wherein the rBAV genome comprises a deletion of nucleotides encoding amino acid residues 81-120, 190-210 and 390-423 of the pV set forth in SEQ ID NO:2.

44. The rBAV particle of claim 27, wherein the rBAV genome comprises one or more substitutions of the nucleic acid encoding pV such that the BAV pV lacks nuclear localization functions and/or nucleolar localization functions.

45. The rBAV particle of claim 44, wherein substitution of the nucleic acid encoding pV results in the substitution of one or more of amino acid residues 21-50 or 380-389 of the pV set forth in SEQ ID NO:2.

46. The rBAV particle of claim 45, wherein the pV comprises the sequence set forth in SEQ ID NO:15.

47. The rBAV particle of any one of claims 27-46, wherein the rBAV genome further comprises a deletion of all or part of the E3 region.

48. The rBAV particle of any one of claims 27-47, wherein the BAV vector further comprises nucleic acid encoding a heterologous transgene.

49. The rBAV particle of claim 48, wherein the nucleic acid encoding the heterologous transgene is located in the E3 region.

50. The rBAV particle of claim 48 or 49, wherein the heterologous transgene encodes a therapeutic polypeptide or a therapeutic nucleic acid.

51. The rBAV particle of any one of claims 48-50, wherein the heterologous transgene encodes a coagulation factor, a hormone, a cytokine, a lymphokine, an oncogene product, a tumor suppressor, a cell receptor, a ligand for a cell receptor, a protease inhibitor, an antibody, a toxin, an immunogenic polypeptide, an antibody, a dystrophin, a cystic fibrosis transmembrane conductance regulator (CFTR), siRNA, mRNA, miRNA, lncRNA, tRNA, or shRNA.

52. The rBAV particle of any one of claims 27-51, wherein the rBAV genome is a BAV-3 vector.

53. A vaccine comprising a recombinant bovine adenovirus (rBAV) particle, wherein the rBAV particle comprises a rBAV genome comprising inverted terminal repeat sequences, BAV packaging sequences, and nucleic acid encoding a heterologous antigen; wherein the BAV genome lacks pV functions.

54. The vaccine of claim 53, wherein the rBAV genome comprises one or more modifications of the nucleic acid encoding pV wherein the pV lacks nuclear localization functions and/or nucleolar localization functions.

55. The vaccine of claim 53 or 54, wherein the rBAV genome comprises a deletion of part or all of the coding region for pV.

56. The vaccine of any one of claims 53-55, wherein the rBAV genome comprises a deletion of all of the coding region for pV.

57. The vaccine of any one of claims 53-56, wherein the rBAV genome comprises a deletion corresponding to nucleotides 15068 to 16299 of SEQ ID NO:1.

58. The vaccine of any one of claims 53-57, wherein the rBAV genome comprises a deletion of nucleotides encoding amino acid residues 1-423 of the pV set forth in SEQ ID NO:2.

59. The vaccine of any one of claims 53-56, wherein the rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50 and 380-389 of the pV set forth in SEQ ID NO:2.

60. The vaccine of any one of claims 53-56, wherein the rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50, 190-210 and 380-389 of the pV set forth in SEQ ID NO:2.

61. The vaccine of any one of claims 53-56, wherein the rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50 and 380-423 of the pV set forth in SEQ ID NO:2.

62. The vaccine of any one of claims 53-56, wherein the rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2.

63. The vaccine of any one of claims 53-56, wherein the rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50, 190-210 and 323-423 of the pV set forth in SEQ ID NO:2.

64. The vaccine of any one of claims 53-56, wherein the rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50 and 190-423 of the pV set forth in SEQ ID NO:2.

65. The vaccine of any one of claims 53-56, wherein the rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50, 101-210 and 380-423 of the pV set forth in SEQ ID NO:2.

66. The vaccine of any one of claims 53-56, wherein the rBAV genome comprises a deletion of nucleotides encoding amino acid residues 3-100, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2.

67. The vaccine of any one of claims 53-56, wherein the rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50, 81-120, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2.

68. The vaccine of any one of claims 53-56, wherein the rBAV genome comprises a deletion of nucleotides encoding amino acid residues 81-120, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2.

69. The vaccine of any one of claims 53-56, wherein the rBAV genome comprises a deletion of nucleotides encoding amino acid residues 81-120, 190-210 and 390-423 of the pV set forth in SEQ ID NO:2.

70. The vaccine of claim 53, wherein the rBAV genome comprises one or more substitutions of the nucleic acid encoding pV such that the BAV pV lacks nuclear localization functions and/or nucleolar localization functions.

71. The vaccine of claim 70, wherein modification of the nucleic acid encoding pV results in the substitution of one or more of amino acid residues 21-50 or 380-389 of the pV set forth in SEQ ID NO:2.

72. The vaccine of claim 71, wherein the pV comprises the sequence set forth in SEQ ID NO:15.

73. The vaccine of any one of claims 53-72, wherein the rBAV genome further comprises a deletion of all or part of the E3 region.

74. The vaccine of claim 73, wherein the nucleic acid encoding the heterologous antigen is located in the E3 region.

75. The vaccine of any one of claims 53-74, wherein the heterologous antigen is a viral antigen, a microbial antigen, a tumor antigen.

76. The vaccine of any one of claims 53-75, wherein the rBAV is a rBAV-3 particle.

77. A pharmaceutical composition comprising the defective BAV vector of any one of claims 1-16.

78. A pharmaceutical composition comprising the rBAV particle of any one of claims 28-52.

79. A pharmaceutical composition comprising the vaccine of any one of claims 53-76.

80. The pharmaceutical composition of any one of claims 77-79, wherein the pharmaceutical composition further comprises a pharmaceutically acceptable excipient.

81. A mammalian cell comprising nucleic acid encoding a BAV pV, said cell is capable of providing BAV pV function.

82. The cell of claim 81, wherein the BAV pV is BAV-3 pV.

83. The cell of claim 81 or 82, wherein the cell comprises nucleic acid encoding the BAV pV of SEQ ID NO:X.

84. The cell of any one of claims 81-83, wherein the nucleic acid encoding BAV pV is operably linked to a promoter.

85. The cell of claim 84, wherein the promoter is a CMV promoter.

86. The cell of any one of claims 81-85, wherein the nucleic acid encoding BAV pV comprises the nucleotide sequence of SEQ ID NO:X.

87. The cell of any one of claims 81-86, wherein the cell is derived from CRL cells.

88. The cell of any one of claims 81-87, wherein the nucleic acid encoding BAV pV is stably integrated into the genome of the cell.

89. A method for producing a defective BAV vector comprising introducing a BAV genome to the cell of any one of claims 81-88 and culturing the cells under conditions where the defective BAV vector is produced, wherein the defective BAV vector lacks pV function.

90. The method of claim 89, wherein the BAV vector comprises one or more modifications of the nucleic acid encoding pV wherein the pV lacks nuclear localization functions and/or nucleolar localization functions.

91. The method of claim 89 or 90, wherein the BAV vector comprises a deletion of part or all of the coding region for pV.

92. The method of any one of claims 89-91, wherein the BAV vector comprises a deletion of all of the coding region for pV.

93. The method of any one of claims 89-92, wherein the BAV vector comprises a deletion corresponding to nucleotides 15068 to 16299 of SEQ ID NO:1.

94. The method of any one of claims 89-93, wherein the BAV vector comprises a deletion of nucleotides encoding amino acid residues 1-423 of the pV set forth in SEQ ID NO:2.

95. The method of any one of claims 89-91, wherein the BAV vector comprises a deletion of nucleotides encoding amino acid residues 21-50 and 380-389 of the pV set forth in SEQ ID NO:2.

96. The method of any one of claims 89-91, wherein the BAV vector comprises a deletion of nucleotides encoding amino acid residues 21-50, 190-210 and 380-389 of the pV set forth in SEQ ID NO:2.

97. The method of any one of claims 89-91, wherein the BAV vector comprises a deletion of nucleotides encoding amino acid residues 21-50 and 380-423 of the pV set forth in SEQ ID NO:2.

98. The method of any one of claims 89-91, wherein the BAV vector comprises a deletion of nucleotides encoding amino acid residues 21-50, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2.

99. The method of any one of claims 89-91, wherein the BAV vector comprises a deletion of nucleotides encoding amino acid residues 21-50, 190-210 and 323-423 of the pV set forth in SEQ ID NO:2.

100. The method of any one of claims 89-91, wherein the BAV vector comprises a deletion of nucleotides encoding amino acid residues 21-50 and 190-423 of the pV set forth in SEQ ID NO:2.

101. The method of any one of claims 89-91, wherein the BAV vector comprises a deletion of nucleotides encoding amino acid residues 21-50, 101-210 and 380-423 of the pV set forth in SEQ ID NO:2.

102. The method of any one of claims 89-91, wherein the BAV vector comprises a deletion of nucleotides encoding amino acid residues 3-100, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2.

103. The method of any one of claims 89-91, wherein the BAV vector comprises a deletion of nucleotides encoding amino acid residues 21-50, 81-120, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2.

104. The method of any one of claims 89-91, wherein the BAV vector comprises a deletion of nucleotides encoding amino acid residues 81-120, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2.

105. The method of any one of claims 89-91, wherein the BAV vector comprises a deletion of nucleotides encoding amino acid residues 81-120, 190-210 and 390-423 of the pV set forth in SEQ ID NO:2.

106. The method of claim 89, wherein the BAV vector comprises one or more substitutions of the nucleic acid encoding pV such that the BAV pV lacks nuclear localization functions and/or nucleolar localization functions.

107. The method of claim 106, wherein substitution of the nucleic acid encoding pV results in the substitution of one or more of amino acid residues 21-50 or 380-389 of the pV set forth in SEQ ID NO:2.

108. The method of claim 107, wherein the pV comprises the sequence set forth in SEQ ID NO:15.

109. The method of any one of claims 89-108, wherein the BAV vector further comprises a deletion of all or part of the E3 region.

110. The method of any one of claims 89-109, wherein the BAV vector further comprises nucleic acid encoding a heterologous transgene.

111. The method of claim 110, wherein the nucleic acid encoding the heterologous transgene is located in the E3 region.

112. The method of claim 110 or 111, wherein the heterologous transgene encodes a therapeutic polypeptide or a therapeutic nucleic acid.

113. The method of any one of claims 110-112, wherein the heterologous transgene encodes a coagulation factor, a hormone, a cytokine, a lymphokine, an oncogene product, a tumor suppressor, a cell receptor, a ligand for a cell receptor, a protease inhibitor, an antibody, a toxin, an immunogenic polypeptide, an antibody, a dystrophin, a cystic fibrosis transmembrane conductance regulator (CFTR), siRNA, mRNA, miRNA, lncRNA, tRNA, or shRNA.

114. The method of any one of claims 89-113, wherein the BAV vector is a BAV-3 vector.

115. The method of any one of claims 89-114, wherein the BAV vector is encapsulated in a BAV particle.

116. A defective BAV vector prepared by the method of any one of claims 89-115.

117. A pharmaceutical composition comprising the defective BAV vector of claim 116.

118. The pharmaceutical composition of claim 117, wherein the pharmaceutical composition further comprises a pharmaceutically acceptable excipient.

119. A method for treating a disease or disorder in an individual in need thereof comprising administering the pharmaceutical composition of claim any one of claims 77, 78, 80, 117 or 118 wherein the defective BAV vector of the rBAV particle comprises a heterologous transgene suitable for treating the disease or disorder.

120. A method for eliciting an immune response in an individual comprising administering the pharmaceutical composition any one of claims 77-80, 117 or 118, wherein the defective BAV vector, the rBAV particle or the vaccine comprises a heterologous transgene encoding an antigen.

121. The method of claim 119 or 120, wherein the pharmaceutical composition is administered in combination with another therapy.

122. The method of any one of claims 119-121, wherein the individual is a mammal.

123. The method of any one of claims 119-122, wherein the mammal is a cow, a pig, a sheep, a cat, a dog, a horse, a rabbit, a mouse, a rat, a hamster, a guinea pig, a non-human primate, or a human.

124. Use of the pharmaceutical composition of claim any one of claims 77-80, 117 or 118 for treating a disease or disorder in an individual in need thereof, wherein the defective BAV vector of the rBAV particle comprises a heterologous transgene suitable for treating the disease or disorder.

125. Use of the pharmaceutical composition any one of claims 77-80, 117 or 118 for eliciting an immune response in an individual, wherein the defective BAV vector, the rBAV particle or the vaccine comprises a heterologous transgene encoding an antigen.

126. Use of the pharmaceutical composition of claim any one of claims 77-80, 117 or 118 in the manufacture of a medicament for treating a disease or disorder in an individual in need thereof, wherein the defective BAV vector of the rBAV particle comprises a heterologous transgene suitable for treating the disease or disorder.

127. Use of the pharmaceutical composition any one of claims 77-80, 117 or 118 in the manufacture of a medicament for eliciting an immune response in an individual, wherein the defective BAV vector, the rBAV particle or the vaccine comprises a heterologous transgene encoding an antigen.

128. The use of any one of claims 124-127, wherein the pharmaceutical composition for administration in combination with another therapy.

129. The use of any one of claims 124-128, wherein the individual is a mammal.

130. The use of any one of claims 124-129, wherein the mammal is a cow, a pig, a sheep, a cat, a dog, a horse, a rabbit, a mouse, a rat, a hamster, a guinea pig, a non-human primate, or a human.

131. A kit comprising the defective BAV vector or any one of claims 1-26 or 116.

132. A kit comprising the rBAV particle of any one of claims 27-52.

133. A kit comprising the vaccine of any one of claims 53-76.

134. A kit comprising the pharmaceutical composition of any one of claims 77-80, 117 or 118.

135. A kit for use in the method of any one of claims 119-123, wherein the kit comprises the pharmaceutical composition of any one of claims 77-80, 117 or 118.

136. A kit for the use of any one of claims 124-130, wherein the kit comprises the pharmaceutical composition of any one of claims 77-80, 117 or 118.

137. The kit of any one of claims 131-136, wherein the kit further comprises instructions for use.

138. The kit of any one of claims 131-137, wherein the kit further comprises one or more of a buffer, a diluent, a filter, a needle, or a syringe.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0028] FIG. 1A-C shows expression of pV. Proteins from BAV-3 infected MDBK cells (FIG. 1A) indicated plasmid DNA transfected cells (FIG. 1B) (lane 2 and 3) or mock infected/transfected cells were harvested at different time points, separated by SDS-PAGE and transferred to nitrocellulose membrane. The separated proteins were probed by Western blot using antipV serum. The position of the molecular weight marker (lane M) in kD was used for sizing the protein bands. (FIG. 1C) CRL cells were transfected with plasmid pDsRed.B23 DNA and infected by BAV-3 (panels a-d) or co-transfected with plasmid pcV and pDsRed.B23 DNAs (panels e-h) and fixed at 24 hours post-infection\transfection. The DsRed.B23 was visualized by direct fluorescence microscopy (panels b,f). BAV-3 pV was visualized by indirect immunofluorescence microscopy (panels c,g) using anti-pV antiserum and Alexa Fluor 488-conjugated goat anti-rabbit IgG. The nuclei were stained with DAPI.

[0029] FIG. 2A-C shows analysis of BAV-3 pV nucleolar localization signals. FIG. 2A shows schematic representation of BAV-3 pV. The thick black line represents BAV-3 pV. The numbers below represent amino acids of pV. Potential nuclear localization signal (NLS) and nucleolar localization sequences (NoLS1 and NoLS2) are depicted. NLS1 is SEQ ID NO:18, NLS2 is SEQ ID NO:19, NLS3 is SEQ ID NO:20: The name of the plasmid is depicted on the right. FIG. 2B shows schematic diagram represents mutant pV. Thick black lines represent pV gene, thin black lines represent the deleted regions. The name of the plasmid is depicted on the right. FIG. 2C shows sub cellular localization of pV mutants. Vero cells were transfected with those plasmids expressing pV and mutant pV genes individually and fixed with 4% formaldehyde at 48 h post-transfection. BAV-3 pV was visualized by indirect immunofluorescence using anti-pV antiserum and Alexa Fluor 488-conjugated goat anti-rabbit IgG (Jackson Immunoresearch). Nuclei were stained with DAPI and nucleoli were visualized with indirect immunostaining by using RPA194 Antibody (C-1) (Santa Cruz Biotechnology) and TRITC-conjugated goat anti-mouse IgG (Jackson Immunoresearch).

[0030] FIG. 3A-D shows mutation analysis of pV NoLs1. FIG. 3A shows schematic representation of BAV-3 pV depicting the amino acid sequence of NoLS1. The thick line represents BAV-3 pV gene. The thin line represents deleted region. The basic residue rich motifs (m1, m2, m3) are shown in different font size or indicated by small black bar. The numbers above represent amino acid of BAV-3 pV. The name of the plasmids is depicted on the right of the panel. pcV.d3: NoLS1 is SEQ ID NO:18, NoLS2 is SEQ ID NO:20. pcV.m1d3: NoLS1 is SEQ ID NO:29. pcV.m2d3: NoLS1 is SEQ ID NO:30. pcV.m3d3: NoLS1 is SEQ ID NO:31. pcV.m1m2d3: NoLS1 is SEQ ID NO:32. pcV.m1m3d3: NoLS1 is SEQ ID NO:33. pcV.m2m3d3: NoLS1 is SEQ ID NO:34. pcV.m1m2m3d3: NoLS1 is SEQ ID NO:35. FIG. 3B shows sub cellular localization of pV mutants. Vero cells were co-transfected with plasmid pDsRed.B23 and individual indicated plasmid DNAs. At 48 h post-transfection, cells were fixed with 4% formaldehyde. BAV-3 pV NoLS1 mutant proteins were visualized by indirect immunofluorescence microscopy using anti-pV antiserum and Alexa Fluor 488-conjugated goat anti-rabbit IgG (Jackson Immunoresearch). The DsRed.B23 was visualized by direct fluorescence microscopy. Nuclei were stained with DAPI. FIG. 3C shows schematic representation of fusion protein containing BAV-3 pV NoLSs. The white box represents BAV-3 pV nucleolar localization signals amino acids 21-50 or 380-389 (SEQ ID NO:36 or SEQ ID NO:37, respectively). The black box represents the EYFP gene. The numbers above represent amino acids of BAV-3 pV. (D) Sub cellular localization of fusion protein NoLs-EYFP. Vero cells were co-transfected with individual indicated plasmid expressing fusion proteins and pDsRed.B23 DNAs, and fixed with 4% formaldehyde at 48 h post-transfection. The DsRed.B23 (panel c, g, k) and EYFP (panel b, f, j) were visualized by direct fluorescence microscopy. Nuclei were stained with DAPI (panel a, e, i).

[0031] FIG. 4A-F shows analysis of BAV-3 pV nuclear localization signals. FIG. 4A, C show schematic representation of pV mutants. The thick black line represents BAV-3 pV gene. Thin black line represents the deleted regions. The numbers above represent amino acids of BAV-3 pV. The name of the plasmid is depicted on the right. FIG. 4B, D show sub cellular localization of pV mutants. Vero cells were transfected with individual indicated plasmid DNA and fixed with 4% formaldehyde at 48 h post-transfection. BAV-3 pV mutants were visualized by immunofluorescence using anti-pV antiserum and TRITC-conjugated goat anti-rabbit IgG (Jackson Immunoresearch). Nuclei were stained with DAPI. FIG. 4E shows schematic representation of GFP-?Gal fusion protein containing BAV-3 pV NoLS1. The white box represents BAV-3 pV NoLS1 amino acids 21-50 (SEQ ID NO:36). The black box represents the fusion protein GFP-?Gal. The numbers above represent amino acids of BAV-3 pV. The name of the plasmid is depicted on the right. FIG. 4F shows sub cellular localization of fusion protein NoLs1-GFP-?Gal. Vero cells were transfected with those plasmids individually, and fixed with 4% formaldehyde at 48 h post-transfection. The GFP-?Gal visualized with direct fluorescence microscopy. Nuclei were stained with DAPI.

[0032] FIG. 5A-C shows In vitro interaction of pV with transport receptors. FIG. 5A shows in vitro interaction of pV with importin ?3. In vitro synthesized and [35S]-labelled BAV-3 pV was incubated with purified GST fusion proteins (GST fused with importin ?1, ?3, ?5, ?7, ?1, or transportin 3) or GST alone and pulled down with glutathione sepharose beads (GE Healthcare). FIG. 5B shows schematic representation of pV mutants. The thick black line represents BAV-3 pV gene. Thin broken line represents the deleted regions. The numbers above represent amino acids of BAV-3 pV. The name of the plasmid is depicted on the right. FIG. 5C shows in vitro interaction of pV mutants with importin ?3. In vitro synthesized and [35S]-labelled BAV-3 pV mutants were incubated with purified GST-?3 or GST alone and pulled down with glutathione sepharose beads. Samples from FIG. 5A and FIG. 5C were separated by 10% SDS-PAGE and exposed to a phosphor screen. The exposed phosphor screen was visualized by Molecular Imager FX (Bio-Rad). 5% of the input radiolabelled pV mutants were used as control.

[0033] FIG. 6A-F shows L2 pV. FIG. 6A shows schematic representation of BAV-3 genomes. Dotted box represents BAV-3 genome, and thick black line represents pV sequence. The thin line depicts deleted regions. The arrows represent the direction of transcription. The amino acid numbers of pV are shown. The substituted amino acids (alanines\glycines) of NoLS1 are underlines and shown in italics (SEQ ID NO:35). E3 (early region 3); nucleolar localization signal (NoLS1 (SEQ ID NO:18), NoLs2 (SEQ ID NO:20)); CMV (human cytomegalovirus immediate early promoter); EYFP (enhanced yellow fluorescent protein). FIG. 6B shows fluorescent microscopy. The VIDO DT1 or CRL.PV cells transfected with indicated plasmid DNAs were observed for appearance of green fluorescent cells and cytopathic effects. The numbers represent the day the observation was made after transfection. FIG. 6C shows restriction enzyme analysis of recombinant BAV-3 genome. The DNAs were extracted from MDBK or CRL.PV cells infected with BAV304a (lanes 2, 5, 6, and 8), BAV.pVd1 (lane 1), BAV.pVm123 (lane 3), BAV.pVd3 (lane 4), and BAV.pVd1d3 (lanes 7 and 9) as described previously (Farina et al., 2001), digested with XbaI (lanes 1, 2, 3, 8, and 9) or Pst1 (lanes 4, 5, 6, and 7) and analyzed by agarose gel electrophoresis. FIG. 6D shows virus titer. Monolayers of MDBK cells were infected with BAV304a or recombinant BAV-3s. At different time points post infection, the cells were freeze-thawed and titrated on CRL.PV cells as described. Values represent averages of two independent repeats and error bars indicate the standard deviations. FIG. 6E shows Western Blot. Proteins from lysates of CRL or CRL.pV cells infected with BAV304a, BAV.pVd1, BAV.pVm123, BAV.pVd3 and BAV.pVd1d3 were separated by 10% SDS-PAGE, transferred to nitrocellulose membrane and probed by Western blot using anti-pV serum. The membrane was visualized by Odyssey? CLx Imaging System (LI-COR). FIG. 6F shows confocal microscopy. CRL cells were transfected with plasmid pDsRed.B23 DNA and infected with indicated mutant BAV-3s. Infected cells were fixed at 48 hrs postinfection. The DsRed.B23 was visualized by direct fluorescence microscopy (panels b,f). BAV-3 pV was visualized by indirect immunofluorescence microscopy using anti-pV serum and Alexa Fluor 647-conjugated goat anti-rabbit IgG. The nuclei were stained with DAPI.

[0034] FIG. 7A-B shows analysis of gene expression in mutant BAV-3 infected cells. FIG. 7A shows proteins from lysates of MDBK cells infected with indicated mutant BAV-3s. The proteins were separated by 10% SDS-PAGE, transferred to nitrocellulose and probed with protein specific antisera and Alexa Fluor 680 conjugated goat anti-rabbit antibody (Invitrogen). ?-actin was used as a loading control and was detected using anti-?-actin monoclonal antibody (Sigma-Aldrich) and IRDye800 Conjugated goat anti-mouse antibody (Rockland). Protein names are depicted on the right of the panel. E (Early), L (Late), DBP (DNA binding protein). FIG. 7B shows protein quantification. The values were analyzed by using Odyssey? CLx Imaging System (LI-COR). Values represent the averages of two independent repeats and error bars indicate the standard deviations.

[0035] FIG. 8 shows structural protein incorporation assay. Structural proteins from the purified BAV304a (lane 1), BAV.pVd1 (lane 2), BAV.pVd1 (lane 3), BAV.pVd3 (lane4) or BAV.pVd1d3 (lane 5) grown in CRL cells and BAV.pV BAV.pVd1d3 (lane 6) grown in CRL.pV cells were separated by 10% SDS-PAGE, transferred to nitrocellulose and probed by Western blot using protein specific antisera. Protein bands were visualized by Odyssey? CLx Imaging System (LI-COR). Protein names are depicted on the right of the panel.

[0036] FIG. 9A-B shows transmission electron microscopic analysis. FIG. 9A shows viral assembly in infected cells. Uninfected MDBK cells (Panel 1, 2), MDBK cells infected with BAV.pVd1d2 (Panel 3, 4) or BAV304a (Panel 5, 6). The arrows depict higher magnification (60 000?) of the areas in the boxes. FIG. 9B shows negative staining of purified BAV304a (Panel 1, 2) and BAV.pVd1d2 (Panel 3, 4). The arrows depict higher magnification (120 000?) of the areas in the boxes.

[0037] FIG. 10A-F shows thermostability of the recombinant BAV-3s. FIG. 10A shows thermostability assay of the recombinant BAV-3s. 10.sup.5 TCID.sub.50 of BAV304a, BAV.pVm123, BAV.pVd1 or BAV.pVd3 virions purified from CRL cells or 10.sup.5 TCID.sub.50 of BAV.pVd1d3 virions purified from CRL.pV cells were incubated at ?80? C., 20? C., 4? C., 25? C. or 37? C. for 3 days, and the residual viral infectivity was determined with TCID.sub.50 on CRL.pV cells. Values represent averages of two independent repeats and error bars indicate the standard deviations. FIG. 10B-F shows thermostability assay of the recombinant BAV-3s. 10.sup.5 TCID.sub.50 of BAV304a, BAV.pVm123, BAV.pVd1 or BAV.pVd3 virions purified from CRL cell or 10.sup.5 TCID.sub.50 of BAV.pVd1d3 virions purified from CRL.pV cells were incubated at ?80? C., 4? C. or 37? C. for 0, 1, 3 or 7 days. The residual viral infectivity was determined with TCID.sub.50 using CRL.pV cells. Values represent averages of two independent repeats and error bars indicate the standard deviations.

[0038] FIG. 11A-B shows isolation of pV deleted BAV-3. FIG. 11A shows a schematic diagram of indicated plasmid DNA. Thick black box represents BAV-3 genomic DNA. Dotted line represents deleted region. Thin lines represent plasmid DNA. The human cytomegalovirus immediate early promoter (CMV), enhanced yellow fluorescent protein gene (EYFP), ampicillin resistance gene (Amp), early region 3 (E3) and pV location is depicted. FIG. 11B shows direct fluorescence. Monolayer of VIDO DT1 cells (Du and Tikoo, 2010) were transfected with 7.5 ?g indicated plasmid DNA and visualized for the expression of EYFP and development of cytopathic effects using fluorescent microscope TCS SP5 (Leica).

[0039] FIG. 12A-B shows analysis of pV expression in CRL.pV cells. FIG. 12A shows proteins from the cell lysates of CRL.pV cells clone 1 (lane 1) and clone 2 (lane 2), BAV-3 infected CRL cells (lane 3) and mock infected CRL cells (lane 4) were separated by 10% SDS-PAGE, transferred to nitrocellulose membrane and probed in Western blot by using rabbit anti-pV serum and Alexa Fluor 680 conjugated antibodies goat anti-rabbit antibody (Invitrogen). The position of the molecular weight in kDa is shown on the left of the panel. The molecular weight in kDa of observed protein is shown on the right of the panel. FIG. 12B shows monolayers of CRL.pV (clone 1 or 2) or CRL cells were fixed with 4% paraformaldehyde and visualized by indirect immunostaining with rabbit anti-pV serum followed by TRITC-conjugated goat anti-rabbit IgG using confocal microscope TCS SP5 (Leica). The nuclei were stained by DAPI.

[0040] FIG. 13A-F shows construction and identification of BAV.dV. FIG. 13A shows a schematic diagram of plasmid pUC304A.dV DNA as described in FIG. 11A. FIG. 13B shows direct fluorescence. Monolayer of CRL.pV cells were transfected with 7.5 ?g pUC304A.dV plasmid DNA and visualized for the expression of EYFP and development of cytopathic effects using fluorescent microscope TCS SP5 (Leica). FIG. 13C shows restriction enzyme analysis of BAV-3 genomes. The viral DNA was extracted from CRL cells infected with BAV304a (lane 1) or BAV.dV (lane 2), digested with KpnI and analyzed by agarose gel electrophoresis. Lane M, GeneRuler 1 kb DNA ladder (Thermo Fisher Scientific) was used for sizing the viral DNA fragments. Diagnostic bands are indicated with white arrows. Sizes of markers are shown on the left of the panel. FIG. 13D shows western blot. Proteins from the lysates of BAV304a infected CRL cells (lane 1), BAV.dV infected CRL cells (lane 2) or uninfected CRL.pV cells (lane 3) were separated by SDS-PAGE, transferred to nitrocellulose membrane and probed in Western blot by using rabbit anti-pV anti-serum and Alexa Fluor 680 conjugated goat anti-rabbit antibody (Invitrogen). The position of the molecular weight in kDa is shown on the left of the panel. The molecular weight in kDa of the observed protein is shown on the right of the panel. FIG. 13E shows CsCl gradient purification. The lysates of CRL.pV or CRL infected with BAV.dV were separated by centrifugation through continuous CsCl gradient and centrifuge tubes were photographed. FIG. 13F shows virus growth. Confluent monolayers of CRL cells were infected with BAV304a or BAV.dV at a MOI of 2. At different times post infection, the cell pellets were collected, freeze-thawed, and virus was titrated on CRL.pV cells as described previously (Ugai et al., 2007). Each value represents the average of two independent repeats and error bars indicate the standard deviations.

[0041] FIG. 14A-C Analysis of viral protein expression in BAV.dV infected cells. FIG. 14A shows western blots. Proteins from the lysates of CRL cells were separated by SDS-PAGE, transferred to nitrocellulose membranes and probed by Western blot using anti-DBP (Zhou et al., 2001), anti-pVII (Paterson et al., 2012), anti-pV (Kulshreshtha et al., 2004), anti-pX (Paterson, 2010), anti-Hexon (Kulshreshtha et al., 2004) and anti-100K (Makadiya et al., 2015) sera followed by Alexa Fluor 680 conjugated goat anti-rabbit antibody (Invitrogen). ?-actin was detected by Western blot using mouse anti-?-actin monoclonal antibody (Sigma-Aldrich) followed by IRDye800 Conjugated goat anti-mouse antibody (Rockland). The name of the proteins is depicted on the right of the panel. DBP (DNA binding protein). Early (E), Late (L). FIG. 14B shows quantification of the blot. The results were analyzed by using Odyssey Infrared Imaging System. Values represent averages from two independent repeats and error bars indicate the standard deviations. FIG. 14C shows DNA replication. Viral DNAs were extracted at indicated times post-infection with BAV304a (lane 2, 4, 6) or BAV.dV (lanes3, 5, 7) and digested with Bmtl. The specific bands are indicated by white arrows. The sizes of markers (M) are depicted on left and right of the panel.

[0042] FIG. 15A-B shows Analysis of viral protein incorporation in purified virions. FIG. 15A shows proteins from the purified BAV304a grown in CRL cells (lane 1), BAV.dV grown in CRL cells (lane 2), BAV.dV grown in CRL.pV cells were separated by 10% SDS-PAGE, transferred to nitrocellulose and probed in Western blot using protein specific antisera. FIG. 15B shows proteins from purified BAV304a grown in CRL cells (lanes 1), BAV.dV grown in CRL cells (lane 3), BAV.dV grown in CRL.pV cells (lane 6) or proteins from the lysates of CRL cells (lane 2, 4) infected with BAV304a (lane 2), BAV.dV (lane 4) and CRL.pV cells infected with BAV.dV (lane 6) were separated by 10% SDS-PAGE, transferred to nitrocellulose and probed in Western blot by anti-pVII serum (Paterson, 2010). Purified virus (PV); infected cell (IC).

[0043] FIG. 16A-B shows electron microscopic analysis. FIG. 16B shows uninfected (panel 1), BAV304a infected (panel 3) or BAV.dV infected (panel 5) CRL cells. The arrows depicted the enlargement of selected boxed region of panel 1 (panel 2), panel 3 (panel 4) and panel 5 (panel 6). FIG. 16B shows purified BAV304a (panel 1) or BAV.dV (panel 2). The arrows depicted the enlargement of selected boxed region of panel 1 (panel 2) and panel 3 (panel 4).

[0044] FIG. 17A-B shows thermostability of BAV-3. FIG. 17A shows viruses grown in CRL.pV cells. Purified virions (10.sup.5 TCID.sub.50) grown in CRL.pV cells were incubated at various temperatures for 3 days (panel 1) and the residual viral infectivity was determined by titration on CRL.pV cells. Purified BAV304a (panel 2) or BAV.dV (panel 3) (10.sup.5 TCID.sub.50) grown in CRL.pV cells were incubated at different temperatures for indicated periods of time and the residual viral infectivity was determined by titration on CRL.pV cells. FIG. 17B shows viruses grown in CRL cells. Purified virions (10.sup.4 TCID.sub.50) grown in CRL cells were incubated at various temperatures for 3 days (panel 1) and the residual viral infectivity was determined by titration on CRL.pV cells. Purified BAV304a (panel 2) or BAV.dV (panel 3) (10.sup.4 TCID.sub.50) grown in CRL cells were incubated at different temperatures for indicated periods of time and the residual viral infectivity was determined by titration on CRL.pV cells.

DETAILED DESCRIPTION

[0045] The invention provides defective bovine adenovirus (BAV) vectors comprising inverted terminal repeat sequences and BAV packaging sequences, wherein the BAV vector lacks pV functions. In some embodiments, the BAV vector comprises one or more modifications of the nucleic acid encoding pV wherein the pV lacks nuclear localization functions and/or nucleolar localization functions. In some embodiments, the BAV vector comprises a deletion of part or all of the coding region for pV. Defective BAV vector genomes, comprising a modification that alters pV function, may be packaged into BAV capsids comprising native pV. Such encapsidated BAV vectors can infect cells but replicate its genome but cannot form infection BAV particles by virtue of the modification altering pV function. In some embodiments, the defective BAV vectors encode a heterologous transgene (e.g., an antigen). In some embodiments, the encapsidated BAV vectors are used to deliver a heterologous transgene to a cell; for example, to treat a disease or disorder (e.g., for gene therapy) or to elicit an immune response (e.g., a vaccine). Methods to produce defective BAV vectors are also contemplated.

I. General Techniques

[0046] The techniques and procedures described or referenced herein are generally well understood and commonly employed using conventional methodology by those skilled in the art, such as, for example, the widely utilized methodologies described in Molecular Cloning: A Laboratory Manual (Sambrook et al., 4.sup.th ed., Cold Spring Harbor Laboratory Press, Cold Spring Harbor, N.Y., 2012); Current Protocols in Molecular Biology (F. M. Ausubel, et al. eds., 2003); the series Methods in Enzymology (Academic Press, Inc.); PCR 2: A Practical Approach (M. J. MacPherson, B. D. Hames and G. R. Taylor eds., 1995); Antibodies, A Laboratory Manual (Harlow and Lane, eds., 1988); Culture of Animal Cells: A Manual of Basic Technique and Specialized Applications (R. I. Freshney, 6.sup.th ed., J. Wiley and Sons, 2010); Oligonucleotide Synthesis (M. J. Gait, ed., 1984); Methods in Molecular Biology, Humana Press; Cell Biology: A Laboratory Notebook (J. E. Cellis, ed., Academic Press, 1998); Introduction to Cell and Tissue Culture (J. P. Mather and P. E. Roberts, Plenum Press, 1998); Cell and Tissue Culture: Laboratory Procedures (A. Doyle, J. B. Griffiths, and D. G. Newell, eds., J. Wiley and Sons, 1993-8); Handbook of Experimental Immunology (D. M. Weir and C. C. Blackwell, eds., 1996); Gene Transfer Vectors for Mammalian Cells (J. M. Miller and M. P. Calos, eds., 1987); PCR: The Polymerase Chain Reaction, (Mullis et al., eds., 1994); Current Protocols in Immunology (J. E. Coligan et al., eds., 1991); Short Protocols in Molecular Biology (Ausubel et al., eds., J. Wiley and Sons, 2002); Immunobiology (C. A. Janeway et al., 2004); Antibodies (P. Finch, 1997); Antibodies: A Practical Approach (D. Catty., ed., IRL Press, 1988-1989); Monoclonal Antibodies: A Practical Approach (P. Shepherd and C. Dean, eds., Oxford University Press, 2000); Using Antibodies: A Laboratory Manual (E. Harlow and D. Lane, Cold Spring Harbor Laboratory Press, 1999); The Antibodies (M. Zanetti and J. D. Capra, eds., Harwood Academic Publishers, 1995); and Cancer: Principles and Practice of Oncology (V. T. DeVita et al., eds., J. B. Lippincott Company, 2011).

II. Definitions

[0047] A vector, as used herein, refers to a recombinant plasmid or virus that comprises a nucleic acid to be delivered into a host cell, either in vitro or in vivo.

[0048] A recombinant bovine adenoviral vector (rBAV vector) refers to a polynucleotide vector comprising one or more heterologous transgene sequences (i.e., nucleic acid sequence not of BAV origin) that are flanked by BAV inverted terminal repeat sequences (ITRs). Such rBAV vectors can be replicated and packaged into infectious viral particles when present in a host cell where suitable BAV functions are provided (e.g., to complement essential viral functions impaired in the BAV vector (e.g., a pV region). An rBAV vector can be in any of a number of forms, including, but not limited to, plasmids, linear artificial chromosomes, complexed with lipids, encapsulated within liposomes, and encapsidated in a viral particle; for example, a BAV particle. A defective BAV vector can be packaged into a BAV virus capsid to generate a recombinant bovine adenoviral particle (rBAV particle).

[0049] A live virus as used herein refers to a virus which is capable of producing identical progeny in tissue culture and inoculated animals, in contrast to a killed virus.

[0050] A helper-free virus vector is a vector that does not require a second virus or a cell line to supply something defective in the vector.

[0051] The term polynucleotide or nucleic acid as used herein refers to a polymeric form of nucleotides of any length, either ribonucleotides or deoxyribonucleotides. Thus, this term includes, but is not limited to, single-, double- or multi-stranded DNA or RNA, genomic DNA, cDNA, DNA-RNA hybrids, or a polymer comprising purine and pyrimidine bases, or other natural, chemically or biochemically modified, non-natural, or derivatized nucleotide bases. The backbone of the polynucleotide can comprise sugars and phosphate groups (as may typically be found in RNA or DNA), or modified or substituted sugar or phosphate groups. Alternatively, the backbone of the polynucleotide can comprise a polymer of synthetic subunits such as phosphoramidates and thus can be an oligodeoxynucleoside phosphoramidate (PNH.sub.2) or a mixed phosphoramidate-phosphodiester oligomer. In addition, a double-stranded polynucleotide can be obtained from the single stranded polynucleotide product of chemical synthesis either by synthesizing the complementary strand and annealing the strands under appropriate conditions, or by synthesizing the complementary strand de novo using a DNA polymerase with an appropriate primer.

[0052] The terms polypeptide and protein are used interchangeably to refer to a polymer of amino acid residues, and are not limited to a minimum length. Such polymers of amino acid residues may contain natural or non-natural amino acid residues, and include, but are not limited to, peptides, oligopeptides, dimers, trimers, and multimers of amino acid residues. Both full-length proteins and fragments thereof are encompassed by the definition. The terms also include post-expression modifications of the polypeptide, for example, glycosylation, sialylation, acetylation, phosphorylation, and the like. Furthermore, for purposes of the present invention, a polypeptide refers to a protein which includes modifications, such as deletions, additions, and substitutions (generally conservative in nature), to the native sequence, as long as the protein maintains the desired activity. These modifications may be deliberate, as through site-directed mutagenesis, or may be accidental, such as through mutations of hosts which produce the proteins or errors due to PCR amplification.

[0053] As used herein, a coding sequence is a nucleic acid sequence which is transcribed and translated into a polypeptide when placed under the control of appropriate regulatory sequences. The boundaries of the coding sequence are determined by a start codon at the 5 (amino) terminus and a translation stop codon at the 3 (carboxy) terminus. A coding sequence can include, but is not limited to, prokaryotic sequences, cDNA from eukaryotic mRNA, genomic DNA sequences from eukaryotic (e.g., mammalian) DNA, viral DNA, and even synthetic DNA sequences. A polyadenylation signal and transcription termination sequence will usually be located 3 to the coding sequence.

[0054] A promoter or promoter sequence is a nucleic acid regulatory region capable of binding RNA polymerase in a cell and initiating transcription of a downstream (3 direction) coding sequence. For purposes of defining the present invention, the promoter sequence is bound at the 3 terminus by the translation start codon (ATG) of a coding sequence and extends upstream (5 direction) to include the minimum number of bases or elements necessary to initiate transcription at levels detectable above background. Within the promoter sequence will be found a transcription initiation site (conveniently defined by mapping with nuclease S1), as well as protein binding domains (consensus sequences) responsible for the binding of RNA polymerase. Eukaryotic promoters will often. but not always, contain TATA boxes and CAAT boxes. Prokaryotic promoters contain Shine-Dalgarno sequences in addition to the ?10 and ?35 consensus sequences.

[0055] Nucleic acid control sequences refer collectively to promoter sequences, ribosome binding sites, splicing signals, polyadenylation signals, transcription termination sequences, upstream regulatory domains, enhancers, translational termination sequences and the like which collectively provide for the transcription and translation of a coding sequence in a host cell.

[0056] A coding sequence or sequence encoding is operably linked to or under the control of control sequences in a cell when RNA polymerase will bind the promoter sequence and transcribe the coding sequence into mRNA, which is then translated into the polypeptide encoded by the coding sequence.

[0057] A host cell is a cell which has been transformed, or is capable of transformation, by an exogenous DNA sequence.

[0058] A cell has been transformed by exogenous nucleic acid when such exogenous nucleic acid has been introduced inside the cell membrane. Exogenous nucleic acid may or may not be integrated (covalently linked) to chromosomal DNA making up the genome of the cell. In prokaryotes and yeasts, for example, the exogenous nucleic acid may be maintained on an episomal element, such as a plasmid. A stably transformed cell is one in which the exogenous nucleic acid has become integrated into the chromosome so that it is inherited by daughter cells through chromosome replication. For mammalian cells, this stability is demonstrated by the ability of the cell to establish cell lines or clones comprised of a population of daughter cell containing the exogenous nucleic acid.

[0059] Heterologous means derived from a genotypically distinct entity from that of the rest of the entity to which it is compared or into which it is introduced or incorporated. For example, a polynucleotide introduced by genetic engineering techniques into a different cell type is a heterologous polynucleotide (and, when expressed, can encode a heterologous transgene) Similarly, a cellular sequence (e.g., a gene or portion thereof) that is incorporated into a viral vector is a heterologous nucleotide sequence with respect to the vector.

[0060] The term transgene refers to a polynucleotide that is introduced into a cell and is capable of being transcribed into RNA and optionally, translated and/or expressed under appropriate conditions. In aspects, it confers a desired property to a cell into which it was introduced, or otherwise leads to a desired therapeutic or diagnostic outcome. In another aspect, it may be transcribed into a molecule that mediates RNA interference, such as siRNA.

[0061] Two polypeptide sequences are substantially homologous when at least about 80% (preferably at least about 90%. and most preferably at least about 95%) of the amino acids match over a defined length of the molecule.

[0062] Two nucleic acid sequences are substantially homologous when they are identical to or not differing in more than 40% of the nucleotides, preferably not more than about 30% of the nucleotides (i.e. at least about 70% homologous) more preferably about 20% of the nucleotides, and most preferably about 10% of the nucleotides.

[0063] Percent (%) sequence identity with respect to a reference polypeptide or nucleic acid sequence is defined as the percentage of amino acid residues or nucleotides in a candidate sequence that are identical with the amino acid residues or nucleotides in the reference polypeptide or nucleic acid sequence, after aligning the sequences and introducing gaps, if necessary, to achieve the maximum percent sequence identity, and not considering any conservative substitutions as part of the sequence identity. Alignment for purposes of determining percent amino acid or nucleic acid sequence identity can be achieved in various ways that are within the skill in the art, for instance, using publicly available computer software programs, for example, those described in Current Protocols in Molecular Biology (Ausubel et al., eds., 1987), Supp. 30, section 7.7.18, Table 7.7.1, and including BLAST, BLAST-2, ALIGN or Megalign (DNASTAR) software. A preferred alignment program is ALIGN Plus (Scientific and Educational Software, Pennsylvania). Those skilled in the art can determine appropriate parameters for measuring alignment, including any algorithms needed to achieve maximal alignment over the full length of the sequences being compared. For purposes herein, the % amino acid sequence identity of a given amino acid sequence A to, with, or against a given amino acid sequence B (which can alternatively be phrased as a given amino acid sequence A that has or comprises a certain % amino acid sequence identity to, with, or against a given amino acid sequence B) is calculated as follows: 100 times the fraction X/Y, where X is the number of amino acid residues scored as identical matches by the sequence alignment program in that program's alignment of A and B, and where Y is the total number of amino acid residues in B. It will be appreciated that where the length of amino acid sequence A is not equal to the length of amino acid sequence B, the % amino acid sequence identity of A to B will not equal the % amino acid sequence identity of B to A. For purposes herein, the % nucleic acid sequence identity of a given nucleic acid sequence C to, with, or against a given nucleic acid sequence D (which can alternatively be phrased as a given nucleic acid sequence C that has or comprises a certain % nucleic acid sequence identity to, with, or against a given nucleic acid sequence D) is calculated as follows: 100 times the fraction W/Z, where W is the number of nucleotides scored as identical matches by the sequence alignment program in that program's alignment of C and D, and where Z is the total number of nucleotides in D. It will be appreciated that where the length of nucleic acid sequence C is not equal to the length of nucleic acid sequence D, the % nucleic acid sequence identity of C to D will not equal the % nucleic acid sequence identity of D to C.

[0064] An isolated molecule (e.g., nucleic acid or protein) or cell means it has been identified and separated and/or recovered from a component of its natural environment.

[0065] An effective amount is an amount sufficient to effect beneficial or desired results, including clinical results (e.g., amelioration of symptoms, achievement of clinical endpoints, and the like). An effective amount can be administered in one or more administrations. In terms of a disease state, an effective amount is an amount sufficient to ameliorate, stabilize, or delay development of a disease.

[0066] An individual or subject is a mammal. Mammals include, but are not limited to, domesticated animals (e.g., cows, sheep, cats, dogs, and horses), primates (e.g., humans and non-human primates such as monkeys), rabbits, and rodents (e.g., mice and rats). In certain embodiments, the individual or subject is a human.

[0067] As used herein, treatment is an approach for obtaining beneficial or desired clinical results. For purposes of this invention, beneficial or desired clinical results include, but are not limited to, alleviation of symptoms, diminishment of extent of disease, stabilized (e.g., not worsening) state of disease, preventing spread (e.g., metastasis) of disease, delay or slowing of disease progression, amelioration or palliation of the disease state, and remission (whether partial or total), whether detectable or undetectable. Treatment can also mean prolonging survival as compared to expected survival if not receiving treatment.

[0068] A substantially pure protein will be free of other proteins, preferably at least 10% homogeneous, more preferably 60% homogeneous, and most preferably 95% homogeneous.

[0069] An antigen refers to a molecule containing one or more epitopes that will stimulate a host's immune system to make a humoral and/or cellular antigen-specific response. The term is also used interchangeably with immunogen.

[0070] A hapten is a molecule containing one or more epitopes that does not stimulate a host's immune system to make a humoral or cellular response unless linked to a carrier.

[0071] The term epitope refers to the site on an antigen or hapten to which a specific antibody molecule binds or is recognized by T cells. The term is also used interchangeably with antigenic determinant or antigenic determinant site.

[0072] An immunological response to a composition or vaccine is the development in the host of a cellular and/or antibody-mediated immune response to the composition or vaccine of interest. Usually, such a response consists of the subject producing antibodies,

[0073] B cells, helper T cells, suppressor T cells, and/or cytotoxic T cells directed specifically to an antigen or antigens included in the composition or vaccine of interest.

[0074] The terms immunogenic polypeptide and immunogenic amino acid sequence refer to a polypeptide or amino acid sequence, respectively, which elicit antibodies that neutralize viral infectivity, and/or mediate antibody-complement or antibody-dependent cell cytotoxicity to provide protection of an immunized host. An immunogenic polypeptide as used herein, includes the full length (or near full length) sequence of the desired protein or an immunogenic fragment thereof.

[0075] By immunogenic fragment is meant a fragment of a polypeptide which includes one or more epitopes and thus elicits antibodies that neutralize viral infectivity, and/or mediates antibody-complement or antibody-dependent cell cytotoxicity to provide protection of an immunized host. Such fragments will usually be at least about 5 amino acids in length. and preferably at least about 10 to 15 amino acids in length. There is no critical upper limit to the length of the fragment, which could comprise nearly the full length of the protein sequence. or even a fusion protein comprising fragments of two or more of the antigens. The term treatment as used herein refers to treatment of a mammal, such as bovine or human or other mammal, either (i) the prevention of infection or reinfection (prophylaxis), or (ii) the reduction or elimination of symptoms of an infection. The vaccine comprises the recombinant BAV itself or recombinant antigen produced by recombinant BAV.

[0076] By infectious is meant having the capacity to deliver the viral genome into cells.

[0077] Reference to about a value or parameter herein includes (and describes) embodiments that are directed to that value or parameter per se. For example, description referring to about X includes description of X.

[0078] As used herein, the singular form of the articles a, an, and the includes plural references unless indicated otherwise.

[0079] It is understood that aspects and embodiments of the invention described herein include comprising, consisting, and/or consisting essentially of aspects and embodiments.

III. BAV Vectors

[0080] The invention provides defective bovine adenovirus (BAV) vectors comprising inverted terminal repeat sequences and BAV packaging sequences, wherein the BAV vector lacks pV functions (e.g., less than about any of 50%, 40%, 30%, 20%, 10%, 5% or 1% native pV functions). In some embodiments, the BAV vector comprises one or more modifications of the nucleic acid encoding pV wherein the pV lacks nuclear localization functions and/or nucleolar localization functions. In some embodiments, the BAV vector comprises one or more modifications of the nucleic acid encoding pV wherein the pV has dimished nuclear localization functions and/or nucleolar localization functions (e.g., less than about any of 50%, 40%, 30%, 20%, 10%, 5% or 1% native pV nuclear and/or nucleolar localization functions). In some embodiments, the BAV vector comprises a deletion of part or all of the coding region for pV. Defective BAV vector genomes, comprising a modification that alters pV function, may be packaged into BAV capsids comprising native pV. Such encapsidated BAV vectors can infect cells but replicate its genome but cannot form infection BAV particles by virtue of the modification altering pV function.

[0081] The members of Mastadenovirus genus encode genus specific unique proteins including pIX and pV (Davison et al., 2003). Earlier work has suggested that HAdV-5 pV protein is essential for virus replication in primary cells and may participate in virus assembly (Ugai et al., 2012). Moreover, pV may act as a bridge between the core and the capsid proteins of HAdV-5 (Chatterjee et al., 1985; Lehmberg et al., 1999; Matthews and Russell, 1998; Vayda et al., 1983). The L2 region of BAV-3 encodes pV, which shows 28%-41% homology to pV encoded by other members of Mastadenovirus genus (Reddy et al., 1998). Recent reports suggest that positional homologs of proteins encoded by human and animal adenoviruses of Mastadenovirus genus may differ in their structure and function (Li et al., 2009, Makadiya et al., 2014).

[0082] The BAV pV appears essential for the replication of BAV304a as production of viable infectious BAV.dV required the isolation of helper cell line providing the pV protein in trans. Analysis of BAV.dV demonstrate no significant difference in the infectivity and DNA replication of mutant BAV.dV and BAV304a. Moreover, no affect is observed in the early gene expression in BAV.dV infected cells. Despite down regulation of some late protein expression, the capsid formation and the virus assembly appeared to occur in BAV.dV infected cells suggesting that pV may not be essential for virion assembly. Earlier report suggested that pV is essential for the replication of HAdV-5 in primary cells but not in cancer cells (Ugai et al., 2012). In contrast, BAV-3 pV appears essential for replication in primary CRL cells and continuous MDBK cells.

[0083] Although, BAV.dV does not appear to produce infectious progeny virions in CRL cells, the capsid formation and the virus assembly appears to occur in BAV.dV infected CRL cells as CsCl gradient analysis of BAV.dV infected CRL cells produced virions banding at CsCl gradient density consistent with the formation of mature virions. Moreover, the deletion of pV does not significantly affect the incorporation of other structural proteins. However, the analysis of these mature virions by TEM revealed that, compared to BAV304a, the capsids of BAV.dV do not appear icosahedral in shape and most of the capsids do not appear to be intact. Without being bound by theory, these results suggest that deletion of BAV.dV may not significantly alter the virus assembly, but instead make virion capsid more fragile leading to the detectable changes in virion morphology and infectivity.

[0084] The deletion of pV does not affect the expression of early gene product, e.g, namely DBP. However, the expression of late proteins particularly 100K, pX and pVII appear down regulated in BAV.dV infected cells, suggesting that pV may be involved in the regulation of late gene expression probably by acting on major late promoter (Leong et al., 1990). Similar results have been earlier reported for HAdV-5 pV (Ugai et al., 2007).

[0085] The production of infectious progeny adenovirus requires a maturation step involving the cleavage of capsid and core proteins by adenovirus protease (Anderson et al., 1973). However, the significance of cleavage of each precursor protein in determining the infectivity is not clear (Mangel and San Martin, 2014). Analysis of viral protein expression in BAV.dV infected cells revealed that deletion of pV did not significantly inhibit the cleavage of pVII. Similarly, analysis of purified BAV.dV demonstrated that mainly the cleaved form of pVII or pVIII could be detected in purified mature BAV.dV virions.

[0086] Unlike primary cells (Ugai et al., 2012), HAdV-5 pV is not required for virus replication and formation of infectious virus particles in cancer cells (Ugai et al., 2012). This is due to apparent thermostable mutations (G13E and R17I) in the less conserved region of core protein X/Mu, which compensate for the lack of pV (Ugai et al., 2007). Moreover, analysis of CsCl gradient purified pV deleted HAdV-5 grown in cancer cells show increased incorporation of protein X\Mu in mature virions. In contrast, BAV pV may be essential for the replication of BAV-3 CRL or MDBK cells. Despite conservation of arginine residue at amino acid 20 of BAV-3 pV (Ugai et al., 2007), analysis of DNA sequence of different clones of BAV.dV grown (different passages) in CRL or MDBK cells do not reveal any mutation in the core proteins X\Mu or pVII (data not shown).

[0087] Although adenovirus protein homologs are encoded by members of Mastadenovirus genus, recent reports have demonstrated the differences in the subcellular localization and function of homologous adenovirus proteins (Blanchette et al., 2013; Cheng et al., 2013; Stracker et al., 2005). Recently, we reported that 100K protein encoded by HAdV-5 and BAV-3 differ in sub cellular localization and protein function (Makadiya et al., 2015). Adenovirus pV is a Mastadenovirus genus specific minor capsid protein, which localizes to both the nucleus and the nucleolus in infected cells (Matthews, 2001). Although transportin appears necessary for the nucleolar localization of pV (Hindley et al., 2007), the molecular mechanism involved in the nucleolar localization is not known. The present study was designed to characterize BAV-3 pV protein, investigate the mechanism of nucleolar localization and determine its role in virus replication.

[0088] The BAV-3 pV encodes a protein of 423 amino acids, which is expressed as 55 kD protein, appears between 12-24 hrs post infection and could be detected till 48 hrs post BAV-3 infection. pV is almost exclusively detected in the nucleolus of the BAV-3 infected or transfected cells in the absence of any other viral protein.

[0089] Proteins localizing to nucleolus also localize to the nucleus and thus may contain either overlapping NLS\NoLS (Cheng et al., 2002; Sheng et al., 2004) or separate nonoverlapping signals for localizing to both the nucleus and the nucleolus (Cros et al., 2005; Ladd and Cooper, 2004). Amino acid sequence analysis of BAV-3 pV predicted three clusters of arginine-lysine rich sequences in both N-terminus (amino acid 21-50), central domain (amino acid 190-210) and C-terminus (amino acid 380-389) of pV with potential to act as NLS.

[0090] As demonstrated in the present examples described below, deletion analysis identified N-terminal amino acids 21-50 (NoLS1) and C-terminal amino acid 380-389 (NoLS2) as NoLS, both containing basic residues that can function as NoLS. Both NoLS1 or NoLS2 amino acids were sufficient to direct nucleolar import of a EYFP, a non-nucleolar protein. An earlier report, suggesting that NoLS are highly basic amino acids and are predominantly localized near N or C-terminus of the protein (Scott et al., 2010). Deletion of a potential NoLS did not reduce the nucleolar localization of pV. Like NoLS1 and NoLS2, three arginine and lysine rich motifs of NoLs1 appear to have redundant function as deletion of either NoLS or mutation of any arginine lysine rich motif of NoLs1 did not abrogate the nucleolar localization of BAV-3 pV. Interestingly, deletion of both abrogated the nucleolar localization of pV. However, deletion of potential NoLS did not alter the nuclear localization of pV. Moreover, V.d15 containing amino acid 21-50 (NoLS1) localized predominantly in the cytoplasm of the transfected cells and the fusion protein GFP?Gal containing amino acid 21-50 showed no nuclear and nucleolar localization. These results suggest that the NoLS1 does not contain nuclear localization signal(s) required for pV to localize to the nucleus. In contrast, V.d16 containing amino acids 21-50 (NoLS1) and 380-389 (NoLS2) located in the nucleus and nucleolus (FIG. 4D), suggesting that amino acids 380-389 can mediate V.d16 both nuclear and nucleolar localization.

[0091] Nucleolar transport usually requires binding of nucleolar constituents to specific protein sequences, namely nucleolar localization signal (NoLS), which helps to retain the protein in the nucleolus. Though, there is no consensus of known NoLS sequences, NoLS are usually rich in lysine and arginine residues, which may interact with nucleolar RNAs or other nucleolar proteins (Olson and Dundr, 2005) for their retention in the nucleolus by a charge dependent mechanism (Musinova et al., 2015). While many nucleolar proteins contain RNA binding motifs (Hiscox, 2007) and are retained by binding to nucleolar RNAs, nucleophosmin protein contains acidic regions which bind to positively charged amino acids in putative nuclear proteins and retain them in the nucleolus (Adachi et al., 1993; Valdez et al., 1994). Although NoLS1 and NoLS2 do not contain a specific amino acid sequence, both are rich in positively charged basic residues. Since no specific NoLS sequence pattern could be defined in pV, the abundance of positively charged residues appears to mediate translocation of pV from nucleus to nucleolus suggesting that nucleolar retention is due to electrostatic interactions.

[0092] Unlike nucleolar transport, nuclear import requires active transport mechanisms, which are dependent on energy, soluble factors and functional nuclear pore complex (Nigg, 1997). Most of the proteins imported into the nucleus contain nuclear localization signals (Boulikas, 1993; Kosugi et al., 2009), which interact with importin ?\? and\or transportins in the cytoplasm and are transported through nuclear pore complex into the nucleus. Though bioinformatic analysis predicted 190-210 to act as potential NLS, deletion analysis identified three regions including amino acid 80-120, 190-210 and 380-423, which can act as NLS. Deletion of all three motifs is required to abolish the nuclear localization and binding of pV to importin ?3 suggesting that each motif is functionally redundant. Separate or overlapping redundant NLSs have been identified in viral proteins including polyomavirus large T antigen (Howes et al., 1996; Richardson et al., 1986), influenza virus NS1 protein (Melen et al., 2007), adeno-associated virus 2 assembly activating protein (Earley et al., 2015) and in BAV-3 33K (Kulshreshtha et al., 2014). Without being bound by theory, it is possible that BAV-3 pV NLS redundancy may help promote efficient interaction with nuclear transport system leading to an effective nuclear transport. Support for this comes from the fact that increased binding of pV to importin ?3 could be observed in the presence of all three NLS regions.

[0093] A number of viral proteins including HAdV-5 pVII use multiple nuclear import pathways (Wodrich et al., 2006). Recently, we also have demonstrated that nuclear import of BAV-3 33K involves recognition of overlapping NLS motifs located in 40 amino acid long conserved region of BAV-3 33K by importin ?5 and transportin-3 (Kulshreshtha et al., 2014). Though transportin-3 has been shown to be required for HAdV-5 pV nucleolar transport, our data indicates that the nuclear import of BAV pV is mediated only by importin ?3 of importin ?/? pathway and requires amino acids 81-120, 190-210, and 380-423.

[0094] Although deletion of NoLS2 affects the efficient production of progeny virus, both NoLS1 and NoLS2 do not appear essential for the production of viable virus suggesting that each NoLS motif may be functionally redundant. In contrast, deletion of both NoLS1 and NoLS2 prevented the production of viable virus suggesting that nucleolar localization of pV is essential for the production of viable virus. Since nucleolar delocalization of pV appeared lethal for production of progeny virus in MDBK cells, this phenotype could be due to defect in any step of the viral replication including viral protein expression, DNA replication and\or virus assembly. The early protein expression and genome replication in BAV.pVd1d3 appeared comparable to BAV304a suggesting that the loss of growth is potentially due to an event occurring late in infection. Analysis of late protein expression revealed that the nucleolar delocalization of pV altered the expression of some late viral proteins namely hexon, 100K and pV in BAV.pVd1d3 infected cells compared to BAV304a infected cells. Moreover, progeny virus could be detected in BAV.pVd1d3 infected MDBK cells suggesting that pV NoLSs are not required for assembly of empty capsids and immature virions. Western blot analysis of CsCl purified BAV.pVd1d3 virus grown in CRL cells could not detect difference in pV incorporation, indicating that pV NoLSs are not essential for pV incorporating into the virus particles.

[0095] Earlier reports have suggested that trimerization and nuclear transport of Hexon by 100K is required for formation of capsid (Hong et al., 2005; Xi et al., 2005). In the protein expression assay described in the present examples, the expression of both 100K and Hexon was decreased in NoLSs deleted BAV-3 infected cells. Thus, one explanation of the impaired viral assembly is the reduced expression of Hexon, as well as its decreased trimerization and nuclear transport because of the decreased expression of 100K. Moreover, in another study, the interactions of 33K with pV or 100K were detected (Kulshreshtha and Tikoo, 2008). We also found that pV can interact with 100K and 33K (Zhao and Tikoo, unpublished data). Therefore, one may speculate that pV may form a complex with 100K and 33K to manipulate not only 100K functions but also 33K functions. 33K has been proved to regulate the major late promoter (Ali et al., 2007), capsid assembly and capsid DNA interaction (Finnen et al., 2001; Kulshreshtha and Tikoo, 2008).

A. Defective BAV Vectors

[0096] In some aspects, the invention provides defective bovine adenovirus (BAV) vectors comprising inverted terminal repeat sequences and BAV packaging sequences, wherein the BAV vector lacks pV functions. In some embodiment, the BAV vector comprises one or more modifications of the nucleic acid encoding pV wherein the pV lacks nuclear localization functions and/or nucleolar localization functions. Disruption of pV function may be accomplished by substitution, insertion or deletion of the pV region of the BAV genome. In some embodiments, the substitution, insertion or deletion may affect transcription, translation or post-translational modification of the pV. In some embodiments, the substitution, insertion, or deletion alters the function of a pV polypeptide produced from the pV region; for example, the substitution, insertion or deletion may alter nuclear localization and/or nucleolar localization of pV.

[0097] In some embodiment, the defective BAV vector comprises a deletion of part of or all of the coding region for pV. In some embodiments, the defective BAV vector comprises a deletion of all of the coding region for pV. In some embodiments, the defective BAV vector comprises a deletion corresponding to nucleotides 15068 to 16299 of SEQ ID NO:1. In some embodiments, the defective BAV vector comprises a deletion of nucleotides encoding amino acid residues 1-423 of the pV set forth in SEQ ID NO:2.

[0098] In some embodiments, the defective BAV vector comprises a deletion of part of the pV coding region. In some embodiments, the defective BAV vector comprises a deletion of part of the pV coding region that alters one or more functions of the pV. In some embodiments, the defective BAV vector comprises a deletion of part of the pV coding region that reduces or obliterates one or more functions of the pV. In some embodiments, the defective BAV vector comprises a deletion of part of the pV coding region that alters nuclear localization and/or nucleolar localization of the pV. In some embodiments, the defective BAV vector comprises a deletion of part of the pV coding region that reduces or obliterates nuclear localization and/or nucleolar localization of the pV. In some embodiments, the defective BAV vector comprises a deletion of nucleotides encoding amino acid residues 21-50 and 380-389 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective BAV vector comprises a deletion of nucleotides encoding amino acid residues 21-50, 190-210 and 380-389 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective BAV vector comprises a deletion of nucleotides encoding amino acid residues 21-50 and 380-423 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective BAV vector comprises a deletion of nucleotides encoding amino acid residues 21-50, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective BAV vector comprises a deletion of nucleotides encoding amino acid residues 21-50, 190-210 and 323-423 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective BAV vector comprises a deletion of nucleotides encoding amino acid residues 21-50, 190-423 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective BAV vector comprises a deletion of nucleotides encoding amino acid residues 21-50, 101-210 and 380-423 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective BAV vector comprises a deletion of nucleotides encoding amino acid residues 3-100, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective BAV vector comprises a deletion of nucleotides encoding amino acid residues 21-50, 81-120, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective BAV vector comprises a deletion of nucleotides encoding amino acid residues 81-120, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective BAV vector comprises a deletion of nucleotides encoding amino acid residues 81-120, 190-210 and 390-423 of the pV set forth in SEQ ID NO:2.

[0099] In some embodiments, the defective BAV vector comprises one or more amino acid substitutions in the pV coding region. In some embodiments, the defective BAV vector comprises one or more amino acid substitutions in the pV coding region that alters one or more functions of the pV. In some embodiments, the defective BAV vector comprises one or more amino acid substitutions in the pV coding region that reduces or obliterates one or more functions of the pV. In some embodiments, the defective BAV vector comprises one or more amino acid substitutions in the pV coding region that alters nuclear localization and/or nucleolar localization of the pV. In some embodiments, the defective BAV vector comprises one or more amino acid substitutions in the pV coding region that reduces or obliterates nuclear localization and/or nucleolar localization of the pV. In some embodiments, substitution of the nucleic acid encoding pV results in the substitution of one or more of amino acid residues 21-50 or 380-389 of the pV set forth in SEQ ID NO:2. In some embodiments, the pV comprises the sequence set forth in SEQ ID NO:15.

[0100] In some embodiments, the defective BAV vector further comprises a deletion of all or part of the E3 region.

[0101] In some embodiments the defective BAV vector further comprises nucleic acid encoding one or more heterologous transgenes. In some embodiments, the defective BAV vector comprised two, three, four, five or more than five heterologous transgenes. In some embodiments, the nucleic acid encoding the heterologous transgene is located in the E3 region. In some embodiments, the nucleic acid encoding the heterologous transgene is located in the pV region. In some embodiments, the nucleic acid encoding the heterologous transgene is located in the E3 region and in the pV region. In some embodiments, a first heterologous transgene is located in the E3 region and a second heterologous transgene is located in the pV region.

[0102] In some embodiments, the heterologous transgene encodes a therapeutic polypeptide or a therapeutic nucleic acid. In some embodiments, the heterologous transgene encodes a coagulation factor, a hormone, a cytokine, a lymphokine, an oncogene product, a tumor suppressor, a cell receptor, a ligand for a cell receptor, a protease inhibitor, an antibody, a toxin, an immunogenic polypeptide, an antibody, a dystrophin, a cystic fibrosis transmembrane conductance regulator (CFTR), siRNA, mRNA, miRNA, lncRNA, tRNA, or shRNA. In some embodiments, is any of the heterologous transgenes described herein.

[0103] In some embodiments, the nucleic acid encoding the transgene is operably linked to a promoter. Examples of promoters include, but are not limited to, the cytomegalovirus (CMV) immediate early promoter, the GUSB promoter, the RSV LTR, the MoMLV LTR, the phosphoglycerate kinase-1 (PGK) promoter, a simian virus 40 (SV40) promoter and a CK6 promoter, a transthyretin promoter (TTR), a TK promoter, a tetracycline responsive promoter (TRE), an HBV promoter, an hAAT promoter, a LSP promoter, chimeric liver-specific promoters (LSPs), the E2F promoter, the telomerase (hTERT) promoter; the cytomegalovirus enhancer/chicken beta-actin/Rabbit ?-globin promoter (CAG promoter) and the elongation factor 1-alpha promoter (EF1-alpha) promoter.

[0104] In some embodiments, the BAV vector is a BAV vector of BAV serotype 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10. In some embodiments, the BAV vector is a BAV vector of BAV serotype 1, 2, 3 or 10. In some embodiments, the rBAV particle is a BAV serotype 3 particle.

B. Recombinant BAV Particles

[0105] In some aspects, the invention provides recombinant BAV (rBAV) particles wherein the rBAV particle comprises a defective rBAV genome comprising inverted terminal repeat sequences and BAV packaging sequences, wherein the rBAV genome lacks pV functions. In some embodiment, the rBAV particle comprises a rBAV genome comprising one or more modifications of the nucleic acid encoding pV wherein the pV lacks nuclear localization functions and/or nucleolar localization functions. Disruption of pV function may be accomplished by substitution, insertion or deletion of the pV region of the rBAV genome. In some embodiments, the substitution, insertion or deletion may affect transcription, translation or post-translational modification of the pV. In some embodiments, the substitution, insertion, or deletion alters the function of a pV polypeptide produced from the pV region; for example, the substitution, insertion or deletion may alter nuclear localization and/or nucleolar localization of pV.

[0106] In some embodiment, the rBAV particle comprises a defective rBAV genome comprising a deletion of part of or all of the coding region for pV. In some embodiments, the defective rBAV genome comprises a deletion of all of the coding region for pV. In some embodiments, the defective rBAV genome comprises a deletion corresponding to nucleotides 15068 to 16299 of SEQ ID NO:1. In some embodiments, the defective rBAV genome comprises a deletion of nucleotides encoding amino acid residues 1-423 of the pV set forth in SEQ ID NO:2.

[0107] In some embodiments, the rBAV particle comprises a defective rBAV genome comprising a deletion of part of the pV coding region. In some embodiments, the defective rBAV genome comprises a deletion of part of the pV coding region that alters one or more functions of the pV. In some embodiments, the defective rBAV genome comprises a deletion of part of the pV coding region that reduces or obliterates one or more functions of the pV. In some embodiments, the defective rBAV genome comprises a deletion of part of the pV coding region that alters nuclear localization and/or nucleolar localization of the pV. In some embodiments, the defective rBAV genome comprises a deletion of part of the pV coding region that reduces or obliterates nuclear localization and/or nucleolar localization of the pV. In some embodiments, the defective rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50 and 380-389 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50, 190-210 and 380-389 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50 and 380-423 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50, 190-210 and 323-423 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50, 190-423 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50, 101-210 and 380-423 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective rBAV genome comprises a deletion of nucleotides encoding amino acid residues 3-100, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50, 81-120, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective rBAV genome comprises a deletion of nucleotides encoding amino acid residues 81-120, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective rBAV genome comprises a deletion of nucleotides encoding amino acid residues 81-120, 190-210 and 390-423 of the pV set forth in SEQ ID NO:2.

[0108] In some embodiments, the rBAV particle comprises a defective rBAV genome comprising one or more amino acid substitutions in the pV coding region. In some embodiments, the defective rBAV genome comprises one or more amino acid substitutions in the pV coding region that alters one or more functions of the pV. In some embodiments, the defective rBAV genome comprises one or more amino acid substitutions in the pV coding region that reduces or obliterates one or more functions of the pV. In some embodiments, the defective BAV vector comprises one or more amino acid substitutions in the pV coding region that alters nuclear localization and/or nucleolar localization of the pV. In some embodiments, the defective rBAV genome comprises one or more amino acid substitutions in the pV coding region that reduces or obliterates nuclear localization and/or nucleolar localization of the pV. In some embodiments, substitution of the nucleic acid encoding pV results in the substitution of one or more of amino acid residues 21-50 or 380-389 of the pV set forth in SEQ ID NO:2. In some embodiments, the pV comprises the sequence set forth in SEQ ID NO:15.

[0109] In some embodiments, the defective rBAV genome of the rBAV particle further comprising a deletion of all or part of the E3 region.

[0110] In some embodiments the defective rBAV genome of the rBAV particle further comprises nucleic acid encoding one or more heterologous transgenes. In some embodiments, the defective rBAV genome comprised two, three, four, five or more than five heterologous transgenes. In some embodiments, the nucleic acid encoding the heterologous transgene is located in the E3 region. In some embodiments, the nucleic acid encoding the heterologous transgene is located in the pV region. In some embodiments, the nucleic acid encoding the heterologous transgene is located in the E3 region and in the pV region. In some embodiments, a first heterologous transgene is located in the E3 region and a second heterologous transgene is located in the pV region.

[0111] In some embodiments, the heterologous transgene encodes a therapeutic polypeptide or a therapeutic nucleic acid. In some embodiments, the heterologous transgene encodes a coagulation factor, a hormone, a cytokine, a lymphokine, an oncogene product, a tumor suppressor, a cell receptor, a ligand for a cell receptor, a protease inhibitor, an antibody, a toxin, an immunogenic polypeptide, an antibody, a dystrophin, a cystic fibrosis transmembrane conductance regulator (CFTR), siRNA, mRNA, miRNA, lncRNA, tRNA, or shRNA. In some embodiments, is any of the heterologous transgenes described herein.

[0112] In some embodiments, the nucleic acid encoding the transgene is operably linked to a promoter. Examples of promoters include, but are not limited to, the cytomegalovirus (CMV) immediate early promoter, the GUSB promoter, the RSV LTR, the MoMLV LTR, the phosphoglycerate kinase-1 (PGK) promoter, a simian virus 40 (SV40) promoter and a CK6 promoter, a transthyretin promoter (TTR), a TK promoter, a tetracycline responsive promoter (TRE), an HBV promoter, an hAAT promoter, a LSP promoter, chimeric liver-specific promoters (LSPs), the E2F promoter, the telomerase (hTERT) promoter; the cytomegalovirus enhancer/chicken beta-actin/Rabbit ?-globin promoter (CAG promoter) and the elongation factor 1-alpha promoter (EF1-alpha) promoter.

[0113] In some embodiments, the rBAV particle is a BAV serotype 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10 particle. In some embodiments, the rBAV particle is a BAV serotype 1, 2, 3 or 10 particle. In some embodiments, the rBAV particle is a BAV serotype 3 particle.

C. Vaccines

[0114] In some aspects, the invention provides vaccines comprising a rBAV particle, wherein the rBAV particle comprises a defective rBAV genome comprising inverted terminal repeat sequences and BAV packaging sequences, wherein the rBAV genome lacks pV functions. In some embodiment, the rBAV particle comprises a rBAV genome comprising one or more modifications of the nucleic acid encoding pV wherein the pV lacks nuclear localization functions and/or nucleolar localization functions. Disruption of pV function may be accomplished by substitution, insertion or deletion of the pV region of the rBAV genome. In some embodiments, the substitution, insertion or deletion may affect transcription, translation or post-translational modification of the pV. In some embodiments, the substitution, insertion, or deletion alters the function of a pV polypeptide produced from the pV region; for example, the substitution, insertion or deletion may alter nuclear localization and/or nucleolar localization of pV.

[0115] In some embodiment, the vaccine comprises a rBAV particle with a defective rBAV genome comprising a deletion of part of or all of the coding region for pV. In some embodiments, the defective rBAV genome comprises a deletion of all of the coding region for pV. In some embodiments, the defective rBAV genome comprises a deletion corresponding to nucleotides 15068 to 16299 of SEQ ID NO:1. In some embodiments, the defective rBAV genome comprises a deletion of nucleotides encoding amino acid residues 1-423 of the pV set forth in SEQ ID NO:2.

[0116] In some embodiments, the vaccine comprises a rBAV particle with a defective rBAV genome comprising a deletion of part of the pV coding region. In some embodiments, the defective rBAV genome comprises a deletion of part of the pV coding region that alters one or more functions of the pV. In some embodiments, the defective rBAV genome comprises a deletion of part of the pV coding region that reduces or obliterates one or more functions of the pV. In some embodiments, the defective rBAV genome comprises a deletion of part of the pV coding region that alters nuclear localization and/or nucleolar localization of the pV. In some embodiments, the defective rBAV genome comprises a deletion of part of the pV coding region that reduces or obliterates nuclear localization and/or nucleolar localization of the pV. In some embodiments, the defective rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50 and 380-389 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50, 190-210 and 380-389 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50 and 380-423 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50, 190-210 and 323-423 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50, 190-423 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50, 101-210 and 380-423 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective rBAV genome comprises a deletion of nucleotides encoding amino acid residues 3-100, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective rBAV genome comprises a deletion of nucleotides encoding amino acid residues 21-50, 81-120, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective rBAV genome comprises a deletion of nucleotides encoding amino acid residues 81-120, 190-210 and 380-423 of the pV set forth in SEQ ID NO:2. In some embodiments, the defective rBAV genome comprises a deletion of nucleotides encoding amino acid residues 81-120, 190-210 and 390-423 of the pV set forth in SEQ ID NO:2.

[0117] In some embodiments, the vaccine comprises a rBAV particle with a defective rBAV genome comprising one or more amino acid substitutions in the pV coding region. In some embodiments, the defective rBAV genome comprises one or more amino acid substitutions in the pV coding region that alters one or more functions of the pV. In some embodiments, the defective rBAV genome comprises one or more amino acid substitutions in the pV coding region that reduces or obliterates one or more functions of the pV. In some embodiments, the defective BAV vector comprises one or more amino acid substitutions in the pV coding region that alters nuclear localization and/or nucleolar localization of the pV. In some embodiments, the defective rBAV genome comprises one or more amino acid substitutions in the pV coding region that reduces or obliterates nuclear localization and/or nucleolar localization of the pV. In some embodiments, substitution of the nucleic acid encoding pV results in the substitution of one or more of amino acid residues 21-50 or 380-389 of the pV set forth in SEQ ID NO:2. In some embodiments, the pV comprises the sequence set forth in SEQ ID NO:15.

[0118] In some embodiments, the vaccine comprises a rBAV particle with a defective rBAV genome, wherein the rBAV genome further comprises a deletion of all or part of the E3 region.

[0119] In some embodiments the defective rBAV genome of the vaccine further comprises nucleic acid encoding one or more heterologous transgenes. In some embodiments, the defective rBAV genome comprised two, three, four, five or more than five heterologous transgenes. In some embodiments, the nucleic acid encoding the heterologous transgene is located in the E3 region. In some embodiments, the nucleic acid encoding the heterologous transgene is located in the pV region. In some embodiments, the nucleic acid encoding the heterologous transgene is located in the E3 region and in the pV region. In some embodiments, a first heterologous transgene is located in the E3 region and a second heterologous transgene is located in the pV region.

[0120] In some embodiments, the heterologous transgene encodes a therapeutic polypeptide or a therapeutic nucleic acid. In some embodiments, the heterologous transgene encodes a coagulation factor, a hormone, a cytokine, a lymphokine, an oncogene product, a tumor suppressor, a cell receptor, a ligand for a cell receptor, a protease inhibitor, an antibody, a toxin, an immunogenic polypeptide, an antibody, a dystrophin, a cystic fibrosis transmembrane conductance regulator (CFTR), siRNA, mRNA, miRNA, lncRNA, tRNA, or shRNA. In some embodiments, is any of the heterologous transgenes described herein.

[0121] In some embodiments, the nucleic acid encoding the transgene is operably linked to a promoter. Examples of promoters include, but are not limited to, the cytomegalovirus (CMV) immediate early promoter, the GUSB promoter, the RSV LTR, the MoMLV LTR, the phosphoglycerate kinase-1 (PGK) promoter, a simian virus 40 (SV40) promoter and a CK6 promoter, a transthyretin promoter (TTR), a TK promoter, a tetracycline responsive promoter (TRE), an HBV promoter, an hAAT promoter, a LSP promoter, chimeric liver-specific promoters (LSPs), the E2F promoter, the telomerase (hTERT) promoter; the cytomegalovirus enhancer/chicken beta-actin/Rabbit ?-globin promoter (CAG promoter) and the elongation factor 1-alpha promoter (EF1-alpha) promoter.

[0122] In some embodiments, the vaccine comprises a rBAV particle wherein the rBAV particle is a BAV serotype 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10 particle. In some embodiments, the rBAV particle is a BAV serotype 1, 2, 3 or 10 particle. In some embodiments, the rBAV particle is a BAV serotype 3 particle.

D. Pharmaceutical Compositions of BAV

[0123] The present invention also includes pharmaceutical compositions comprising a therapeutically effective amount of a defective BAV vector, recombinant BAV particle or vaccine as described herein. In some embodiments, the pharmaceutical composition comprises a defective BAV vector, recombinant BAV particle or vaccine as described in combination with a pharmaceutically acceptable excipient, vehicle and/or an adjuvant. In some embodiments, a defective BAV vector, recombinant BAV particle or vaccine, is prepared according to the methods of the invention in combination with a pharmaceutically acceptable excipient, vehicle and/or an adjuvant. Such a pharmaceutical composition can be prepared and dosages determined according to techniques that are well-known in the art. The pharmaceutical compositions of the invention can be administered by any known administration route including, but not limited to, systemically (for example, intravenously, intratracheally, intravascularly, intrapulmonarilly, intraperitoneally, intranasally, parenterally, enterically, intramuscularly, subcutaneously, intratumorally or intracranially) or by aerosolization or intrapulmonary instillation.

IV. Host Cells

[0124] The invention provides host cells including any cell that will support production of the defective BAV vectors, rBAV particles or vaccines of the present invention. In some embodiments of the invention, recombinant cell lines are produced by constructing an expression cassette comprising the BAV pV region and transforming host cells therewith to provide complementing cell lines or cultures expressing the pV proteins. These recombinant complementing cell lines are capable of allowing a defective recombinant BAV lacking pV function to replicate. Complementing cell lines can provide pV functions through, for example, co-infection with a helper virus or by cointroduction of nucleic acid encoding the pV function. In other embodiments, complementing cell lines can provide pV functions by integrating or otherwise maintaining in stable form a fragment of a viral genome encoding a particular viral function (e.g., pV function).

[0125] In some embodiments, the invention provides a mammalian cell comprising nucleic acid encoding a BAV pV, said cell is capable of providing BAV pV function. In some embodiments, the BAV pV is BAV-3 pV. In some embodiments, the cell comprises nucleic acid encoding the BAV pV of SEQ ID NO:2. In some embodiments, the cell comprises nucleic acid encoding a BAV pV which has an amino acid sequence more than about 70%, 75%, 80%, 85%, 90%, 95%, or 99% identical to the amino acid sequence of SEQ ID NO:2. In some embodiments, the cell comprises nucleic acid of SEQ ID NO:X. In some embodiments, the cell comprises nucleic acid which has a nucleotide sequence more than about 40%, 50%, 60%, 70%, 80%, 90%, or 95% identical to the nucleotide sequence of SEQ ID NO:X.

[0126] In some embodiments, the nucleic acid encoding BAV pV is operably linked to a promoter. Examples of promoters include, but are not limited to, the cytomegalovirus (CMV) immediate early promoter, the GUSB promoter, the RSV LTR, the MoMLV LTR, the phosphoglycerate kinase-1 (PGK) promoter, a simian virus 40 (SV40) promoter and a CK6 promoter, a transthyretin promoter (TTR), a TK promoter, a tetracycline responsive promoter (TRE), an HBV promoter, an hAAT promoter, a LSP promoter, chimeric liver-specific promoters (LSPs), the E2F promoter, the telomerase (hTERT) promoter; the cytomegalovirus enhancer/chicken beta-actin/Rabbit ?-globin promoter (CAG promoter; Niwa et al., Gene, 1991, 108(2):193-9) and the elongation factor 1-alpha promoter (EF1-alpha) promoter. In some embodiments, the nucleic acid encoding pV of the cell is operably linked to a CMV promoter.

[0127] In some embodiments, the host cell is a mammalian cell. In some embodiments, the host cell is a bovine cell. Exemplary cells include but are not limited to CRL cells or Madin-Darby bovine kidney (MDBK) cells. In some embodiments, the host cell is a CRL cell comprising nucleic acid encoding BAV pV. In some embodiments, the host cell is a CRL cell comprising nucleic acid encoding BAV pV having the amino acid sequence of SEQ ID NO:2. In some embodiments, the host cell is a CRL cell comprising nucleic acid encoding BAV pV having the amino acid sequence of SEQ ID NO:2 wherein the nucleic acid encoding the BAV pV is stably integrated into the host cell chromosome. In some embodiments, the host cell is a CRL cell comprising nucleic acid encoding BAV pV under the control of a CMV promoter. In some embodiments, the host cell is a CRL cell comprising nucleic acid encoding BAV pV having the amino acid sequence of SEQ ID NO:2 under the control of a CMV promoter. In some embodiments, the host cell is a CRL cell comprising nucleic acid encoding BAV pV having the amino acid sequence of SEQ ID NO:2 under the control of a CMV promoter wherein the nucleic acid encoding the BAV pV is stably integrated into the host cell chromosome.

IV. Methods to Produce BAV Vectors

[0128] Methods to produce recombinant BAV vectors and to generate recombinant BAV particles are known in the art. For example, see WO 95/16048, WO 98/59063, WO 00/26395, WO 01/92547. Suitable host cells include any cell that will support recombination between a BAV genome and a plasmid containing BAV sequences, or between two or more plasmids, each containing BAV sequences. Recombination is generally performed in prokaryotic cells, such as E. coli, while transfection of a plasmid containing a viral genome, to generate virus particles, is conducted in eukaryotic cells, for example mammalian cells. In some embodiments, the mammalian cells are bovine cell cultures; for example MDBK or PFBR cells, and their equivalents. The growth of bacterial cell cultures, as well as culture and maintenance of eukaryotic cells and mammalian cell lines are procedures which are well-known to those of skill in the art.

[0129] Deletion of BAV pV can be accomplished by methods well-known to those of skill in the art. For example, for BAV sequences cloned in a plasmid, digestion with one or more restriction enzymes (with at least one recognition sequence in the BAV insert) followed by ligation will, in some cases, result in deletion of sequences between the restriction enzyme recognition sites. In some embodiments, nucleic acid amplification may be used to amplify specific regions of the BAV genome encompassing the desired region to be deleted, followed by restriction or other means to remove the sequences to be deleted.

[0130] One or more heterologous transgene sequences can be inserted into one or more regions of the BAV genome to generate a recombinant BAV, limited only by the insertion capacity of the BAV genome and ability of the recombinant BAV to express the inserted heterologous transgene sequences. In general, adenovirus genomes can accept inserts of approximately 5% of genome length and remain capable of being packaged into virus particles. The insertion capacity can be increased by deletion of non-essential regions and/or deletion of essential regions, such as, for example, pV function, whose function is provided by a helper cell line, such as one providing pV function. In some embodiments, a heterologous polynucleotide encoding a protein is inserted into an adenovirus E3 gene region. In other embodiments, an adenovirus has a deletion of part or all of the E3 region.

[0131] In one embodiment of the invention, insertion can be achieved by constructing a plasmid containing the region of the BAV genome into which insertion is desired, such as the E3 region. The plasmid is then digested with a restriction enzyme having a recognition sequence in the BAV portion of the plasmid, and a heterologous transgene sequence is inserted at the site of restriction digestion. The plasmid, containing a portion of the BAV genome with an inserted heterologous transgene sequence, is co-transformed, along with a BAV genome or a linearized plasmid containing a BAV genome, into a bacterial cell (such as, for example, E. coli), wherein the BAV genome can be a full-length genome or can contain one or more deletions. Homologous recombination between the plasmids generates a recombinant BAV genome containing inserted heterologous transgene sequences.

[0132] Deletion of BAV sequences, to provide a site for insertion of heterologous transgene sequences or to provide additional capacity for insertion at a different site, can be accomplished by methods well-known to those of skill in the art. For example, for BAV sequences cloned in a plasmid, digestion with one or more restriction enzymes (with at least one recognition sequence in the BAV insert) followed by ligation will, in some cases, result in deletion of sequences between the restriction enzyme recognition sites. Alternatively, digestion at a single restriction enzyme recognition site within the BAV insert, followed by exonuclease treatment, followed by ligation will result in deletion of BAV sequences adjacent to the restriction site. A plasmid containing one or more portions of the BAV genome with one or more deletions, constructed as described above, can be co-transfected into a bacterial cell along with a BAV genome (full-length or deleted) or a plasmid containing either a full-length or a deleted BAV genome to generate, by homologous recombination, a plasmid containing a recombinant BAV genome with a deletion at one or more specific sites. BAV virions containing the deletion can then be obtained by transfection of mammalian cells (including, but not limited to, MDBK or PFBR cells and their equivalents) with the plasmid containing the recombinant BAV genome.

[0133] In one embodiment of the invention, insertion sites are adjacent to and downstream (in the transcriptional sense) of BAV promoters. Locations of BAV promoters, and restriction enzyme recognition sequences downstream of BAV promoters, for use as insertion sites, can be easily determined by one of skill in the art from the BAV nucleotide sequence provided herein. Alternatively, various in vitro techniques can be used for insertion of a restriction enzyme recognition sequence at a particular site, or for insertion of heterologous transgene sequences at a site that does not contain a restriction enzyme recognition sequence. Such methods include, but are not limited to, oligonucleotide-mediated heteroduplex formation for insertion of one or more restriction enzyme recognition sequences (see, for example, Zoller et al. (1982) Nucleic Acids Res. 10:6487-6500; Brennan et al. (1990) Roux's Arch. Dev. Biol. 199:89-96; and Kunkel et al. (1987) Meth. Enzymology 154:367-382) and PCR-mediated methods for insertion of longer sequences. See, for example, Zheng et al. (1994) Virus Research 31: 163-186.

[0134] It is also possible to obtain expression of a heterologous transgene sequence inserted at a site that is not downstream from a BAV promoter, if the heterologous transgene sequence additionally comprises transcriptional regulatory sequences that are active in eukaryotic cells. Such transcriptional regulatory sequences can include cellular promoters such as, for example, the bovine hsp70 promoter and viral promoters such as, for example, herpesvirus, adenovirus and papovavirus promoters and DNA copies of retroviral long terminal repeat (LTR) sequences.

[0135] In another embodiment, homologous recombination in a prokaryotic cell can be used to generate a cloned BAV genome; and the cloned BAV genome can be propagated as a plasmid. See for example, U.S. Pat. No. 5,922,576. Infectious virus can be obtained by transfection of mammalian cells with the cloned BAV genome rescued from plasmid-containing cells.

[0136] The invention also provides BAV regulatory sequences which can be used to regulate the expression of heterologous genes. A regulatory sequence can be, for example, a transcriptional regulatory sequence, a promoter, an enhancer, an upstream regulatory domain, a splicing signal, a polyadenylation signal, a transcriptional termination sequence, a translational regulatory sequence, a ribosome binding site and a translational termination sequence. In another embodiment, the cloned BAV genome can be propagated as a plasmid and infectious virus can be rescued from plasmid-containing cells.

[0137] The presence of viral nucleic acids can be detected by techniques known to one of skill in the art including, but not limited to, hybridization assays, polymerase chain reaction, and other types of amplification reactions. Similarly, methods for detection of proteins are well-known to those of skill in the art and include, but are not limited to, various types of immunoassay, ELISA, Western blotting, enzymatic assay, immunohistochemistry, etc. Diagnostic kits comprising the nucleotide sequences of the invention may also contain reagents for cell disruption and nucleic acid purification, as well as buffers and solvents for the formation, selection and detection of hybrids. Diagnostic kits comprising the polypeptides or amino acid sequences of the invention may also comprise reagents for protein isolation and for the formation, isolation, purification and/or detection of immune complexes.

[0138] Various foreign genes or nucleotide sequences or coding sequences (prokaryotic, and eukaryotic) can be inserted in the bovine adenovirus nucleotide sequence, e.g., DNA, in accordance with the present invention, particularly to provide protection against a wide range of diseases and many such genes are already known in the art. The problem heretofore has been to provide a safe, convenient and effective vaccine vector for the genes or sequences, as well as safe, effective means for gene transfer to be used in various gene therapy applications.

[0139] A heterologous nucleotide sequence can consist of one or more gene(s) of interest, and preferably of therapeutic interest. In the context of the present invention, a heterologous transgene of interest can code either for a regulatory RNA (e.g., siRNA, miRNA, lncRNA, tRNA, or shRNA), a ribozyme or for an mRNA which will then be translated into a protein of interest. A transgene of interest may be of genomic type, of complementary DNA (cDNA) type or of mixed type (minigene, in which at least one intron is deleted). It can code for a mature protein, a precursor of a mature protein, in particular a precursor intended to be secreted and accordingly comprising a signal peptide, a chimeric protein originating from the fusion of sequences of diverse origins, or a mutant of a natural protein displaying improved or modified biological properties. Such a mutant may be obtained by, deletion, substitution and/or addition of one or more nucleotide(s) of the gene coding for the natural protein, or any other type of change in the sequence encoding the natural protein, such as, for example, transposition or inversion.

[0140] A heterologous transgene of interest may be placed under the control of elements (DNA control sequences) suitable for its expression in a host cell. Suitable DNA control sequences are understood to mean the set of elements needed for transcription of a gene into RNA (regulatory RNA, mRNA, etc.) and in some examples, for the translation of an mRNA into protein. In some embodiments, the promoter can be a constitutive promoter or a regulatable promoter, and can be isolated from any gene of eukaryotic, prokaryotic or viral origin, and even adenoviral origin. Alternatively, it can be the natural promoter of the gene of interest. Generally speaking, a promoter used in the present invention may be modified so as to contain regulatory sequences. As examples, a gene of interest in use in the present invention is placed under the control of the promoter of the immunoglobulin genes when it is desired to target its transfer to lymphocytic host cells. There may also be mentioned the HSV-1 TK (herpesvirus type 1 thymidine kinase) gene promoter, the adenoviral MLP (major late promoter), in particular of human adenovirus type 2, the RSV (Rous Sarcoma Virus) LTR (long terminal repeat), the CMV (Cytomegalovirus) early promoter, and the PGK (phosphoglycerate kinase) gene promoter, for example, permitting expression in a large number of cell types.

[0141] Heterologous transgenes of interest for use in the defective BAV vectors and of the present invention include but are not limited to the following: genes coding for cytokines such as interferons and interleukins; genes encoding lymphokines; genes coding for membrane receptors such as the receptors recognized by pathogenic organisms (viruses, bacteria or parasites), for example, receptors recognized by the HIV virus (human immunodeficiency virus); genes coding for coagulation factors such as factor VIII and factor IX; genes coding for dystrophins; genes coding for insulin; genes coding for proteins participating directly or indirectly in cellular ion channels, such as the CFTR (cystic fibrosis transmembrane conductance regulator) protein; genes coding for regulatory RNAs (e.g., siRNA, miRNA, lncRNA, tRNA, or shRNA), or proteins capable of inhibiting the activity of a protein produced by a pathogenic gene which is present in the genome of a pathogenic organism, or proteins (or genes encoding them) capable of inhibiting the activity of a cellular gene whose expression is deregulated, for example an oncogene; genes coding for a protein inhibiting an enzyme activity, such as ?-antitrypsin or a viral protease inhibitor, for example; genes coding for variants of pathogenic proteins which have been mutated so as to impair their biological function, such as, for example, trans-dominant variants of the tat protein of the HIV virus which are capable of competing with the natural protein for binding to the target sequence, thereby preventing the activation of HIV; genes coding for antigenic epitopes in order to increase the host cell's immunity; genes coding for major histocompatibility complex classes I and II proteins, as well as the genes coding for the proteins which are inducers of these genes; genes coding for antibodies; immunosuppressant genes; immunostimulatory genes; genes encoding nucleic acid and enzymes for gene editing; genes coding for immunotoxins; genes encoding toxins; genes encoding growth factors or growth hormones; genes encoding cell receptors and their ligands; genes encoding tumor suppressors; genes involved in cardiovascular disease including, but not limited to, oncogenes; genes encoding growth factors including, but not limited to, fibroblast growth factor (FGF), vascular endothelial growth factor (VEGF), and nerve growth factor (NGF); e-nos, tumor suppressor genes including, but not limited to, the Rb (retinoblastoma) gene; lipoprotein lipase; superoxide dismutase (SOD); catalase; oxygen and free radical scavengers; apolipoproteins; and pai-1 (plasminogen activator inhibitor-1); genes coding for cellular enzymes or those produced by pathogenic organisms; and suicide genes. The HSV-1 TK suicide gene may be mentioned as an example (this viral TK enzyme displays markedly greater affinity compared to the cellular TK enzyme for certain nucleoside analogues (such as acyclovir or gancyclovir). It converts them to monophosphorylated molecules, which can themselves be converted by cellular enzymes to nucleotide precursors, which are toxic. These nucleotide analogues can be incorporated into replicating DNA molecules, hence incorporation occurs chiefly in the DNA of dividing cells. This incorporation can result in specific destruction of dividing cells such as cancer cells). This list is not restrictive, and other genes of interest may be used in the context of the present invention. In some embodiments, only fragments of nucleic acid sequences of genes can be used (where these are sufficient to generate a protective immune response or a specific biological effect) rather than the complete sequence as found in the wild-type organism.

[0142] In some embodiments, synthetic genes or fragments thereof can also be used. However, the present invention can be used with a wide variety of genes, fragments and the like, and is not limited to those set out above.

[0143] In some cases the gene for a particular antigen can contain a large number of introns or can be from an RNA virus, in these cases a complementary DNA copy (cDNA) can be used.

[0144] In order for successful expression of the gene to occur, it can be inserted into an expression vector together with a suitable promoter including enhancer elements and polyadenylation sequences. A number of eukaryotic promoter and polyadenylation sequences which provide successful expression of foreign genes in mammalian cells and construction of expression cassettes, are known in the art, for example in U.S. Pat. No. 5,151,267, the disclosures of which are incorporated herein by reference. The promoter is selected to give optimal expression of immunogenic protein which in turn satisfactorily leads to humoral, cell mediated and mucosal immune responses according to known criteria.

[0145] The foreign protein produced by expression in vivo in a recombinant virus-infected cell may be itself immunogenic. More than one foreign gene can be inserted into the viral genome to obtain successful production of more than one effective protein.

[0146] Thus with the recombinant viruses of the present invention, it is possible to provide protection against a wide variety of diseases affecting cattle, humans and other mammals.

[0147] Any of the recombinant antigenic determinants or recombinant live viruses of the invention can be formulated and used in substantially the same manner as described for antigenic determinant vaccines or live vaccine vectors.

[0148] The present invention also includes pharmaceutical compositions comprising a therapeutically effective amount of a recombinant adenovirus vector, recombinant adenovirus or recombinant protein, prepared according to the methods of the invention, in combination with a pharmaceutically acceptable vehicle and/or an adjuvant. Such a pharmaceutical composition can be prepared and dosages determined according to techniques that are well-known in the art. The pharmaceutical compositions of the invention can be administered by any known administration route including, but not limited to, systemically (for example, intravenously, intratracheally, intravascularly, intrapulmonarilly, intraperitoneally, intranasally, parenterally, enterically, intramuscularly, subcutaneously, intratumorally or intracranially) or by aerosolization or intrapulmonary instillation. Administration can take place in a single dose or in doses repeated one or more times after certain time intervals. The appropriate administration route and dosage will vary in accordance with the situation (for example, the individual being treated, the disorder to be treated or the gene or polypeptide of interest), but can be determined by one of skill in the art.

[0149] In some embodiments, the invention provides a method of treatment, according to which a therapeutically effective amount of a BAV vector, recombinant BAV, or host cell of the invention is administered to a mammalian subject requiring treatment.

[0150] The antigens used in the present invention can be either native or recombinant antigenic polypeptides or fragments. They can be partial sequences, full-length sequences, or even fusions (e.g., having appropriate leader sequences for the recombinant host, or with an additional antigen sequence for another pathogen). The preferred antigenic polypeptide to be expressed by the virus systems of the present invention contain full-length (or near full-length) sequences encoding antigens. Alternatively, shorter sequences that are antigenic (i.e., encode one or more epitopes) can be used. The shorter sequence can encode a neutralizing epitope, which is defined as an epitope capable of eliciting antibodies that neutralize virus infectivity in an in vitro assay. In some embodiments, the peptide encodes a protective epitope that is capable of raising in the host a protective immune response; i.e., an antibody- and/or a cell-mediated immune response that protects an immunized host from infection.

[0151] In some embodiments, the antigens used in the present invention (e.g., when comprised of short oligopeptides) can be conjugated to a vaccine carrier. Vaccine carriers are well known in the art: for example, bovine serum albumin (BSA), human serum albumin (HSA) and keyhole limpet hemocyanin (KLH). A preferred carrier protein, rotavirus VP6, is disclosed in EPO Pub. No. 0259149, the disclosure of which is incorporated by reference herein.

[0152] In some embodiments, genes for desired antigens or coding sequences thereof which can be inserted include those of organisms which cause disease in mammals, particularly bovine pathogens such as bovine rotavirus, bovine coronavirus, bovine herpes virus type 1, bovine respiratory syncytial virus, bovine parainfluenza virus type 3 (BPI-3), bovine diarrhea virus, Pasteurella haemolytica, Haemophilus somnus and the like. Genes encoding antigens of human pathogens also useful in the practice of the invention. The vaccines of the invention carrying foreign genes or fragments can also be orally administered in a suitable oral carrier, such as in an enteric-coated dosage form. Oral formulations include such normally-employed excipients as, for example, pharmaceutical grades of mannitol, lactose, starch, magnesium stearate, sodium saccharin cellulose, magnesium carbonate, and the like. Oral vaccine compositions may be taken in the form of solutions, suspensions, tablets, pills, capsules, sustained release formulations, or powders, containing from about 10% to about 95% of the active ingredient, preferably about 25% to about 70%. Oral and/or intranasal vaccination may be preferable to raise mucosal immunity (which plays an important role in protection against pathogens infecting the respiratory and gastrointestinal tracts) in combination with systemic immunity.

[0153] In addition, the vaccine can be formulated into a suppository. For suppositories, the vaccine composition will include traditional binders and carriers, such as polyalkaline glycols or triglycerides. Such suppositories may be formed from mixtures containing the active ingredient in the range of about 0.5% to about 10% (w/w), preferably about 1% to about 2%.

[0154] Protocols for administering to animals the vaccine composition(s) of the present invention are within the skill of the art in view of the present disclosure. Those skilled in the art will select a concentration of the vaccine composition in a dose effective to elicit an antibody and/or T-cell mediated immune response to the antigenic fragment. Within wide limits, the dosage is not believed to be critical. Typically, the vaccine composition is administered in a manner which will deliver between about 1 to about 1,000 micrograms of the subunit antigen in a convenient volume of vehicle, e.g., about 1-10 cc. Preferably, the dosage in a single immunization will deliver from about 1 to about 500 micrograms of subunit antigen, more preferably about 5-10 to about 100-200 micrograms (e.g., 5-200 micrograms).

[0155] The timing of administration may also be important. For example, a primary inoculation preferably may be followed by subsequent booster inoculations if needed. It may also be preferred, although optional, to administer a second, booster immunization to the animal several weeks to several months after the initial immunization. To insure sustained high levels of protection against disease, it may be helpful to readminister a booster immunization to the animals at regular intervals, for example once every several years. Alternatively, an initial dose may be administered orally followed by later inoculations, or vice versa. Preferred vaccination protocols can be established through routine vaccination protocol experiments.

[0156] The dosage for all routes of administration of in vivo recombinant virus vaccine depends on various factors including, the size of patient, nature of infection against which protection is needed, carrier and the like and can readily be determined by those of skill in the art. By way of non-limiting example, a dosage of between 10.sup.3 pfu and 10.sup.15 pfu, between 10.sup.5 and 10.sup.13 pfu, or between 10.sup.6 to 10.sup.11 pfu and the like can be used. As with in vitro subunit vaccines, additional dosages can be given as determined by the clinical factors involved.

[0157] The invention also provides methods for providing gene delivery to a mammal, such as a bovine or a human or other mammal in need thereof, to control a gene deficiency, to provide a therapeutic gene or nucleotide sequence and/or to induce or correct a gene mutation. The method can be used, for example, in the treatment of conditions including, but not limited to hereditary disease, infectious disease, cardiovascular disease, and viral infection. The method comprises administering to said mammal a live recombinant bovine adenovirus comprising a modification in a capsid protein, or fragment thereof, wherein said capsid protein is associated with tropism and said modification is associated with altered tropism and wherein said adenovirus vector further comprises a foreign polynucleotide sequence encoding a non-defective form of said gene under conditions wherein the recombinant virus vector genome is incorporated into said mammalian genome or is maintained independently and extrachromosomally to provide expression of the required gene in the target organ or tissue. These kinds of techniques are currently being used by those of skill in the art for the treatment of a variety of disease conditions, non-limiting examples of which are provided above. Examples of foreign genes, nucleotide sequences or portions thereof that can be incorporated for use in a conventional gene therapy include, cystic fibrosis transmembrane conductance regulator gene, human minidystrophin gene, alpha-1-antitrypsin gene, genes involved in cardiovascular disease, and the like.

[0158] In some embodiments, the practice of the present invention in regard to gene delivery in humans is intended for the prevention or treatment of diseases including, but not limited to, genetic diseases (for example, hemophilia, thalassemias, emphysema, Gaucher's disease, cystic fibrosis, Duchenne muscular dystrophy, Duchenne's or Becker's myopathy, etc.), cancers, viral diseases (for example, AIDS, herpesvirus infection, cytomegalovirus infection and papillomavirus infection), cardiovascular diseases, and the like. For the purposes of the present invention, the vectors, cells and viral particles prepared by the methods of the invention may be introduced into a subject either ex vivo, (i.e., in a cell or cells removed from the patient) or directly in vivo into the body to be treated.

[0159] Compositions of the invention (e.g., defective BAV vectors) can be used either alone or in combination with one or more additional therapeutic agents for treating any or all of the disorders described herein. The interval between sequential administration can be in terms of at least (or, alternatively, less than) minutes, hours, or days.

VI. Articles of Manufacture and Kits

[0160] The compositions as described herein (e.g., comprising a defective BAV vector) may be contained in an article of manufacture or kit, e.g., within a system, designed for use in one of the methods of the invention as described herein. The kits may comprise any of the nucleic acids, chimeric introns, 5UTRs, expression constructs, vectors, defective BAV vectors, cells, viral particles, rABAV particles, and/or pharmaceutical compositions of the invention.

[0161] In some embodiments, the kits further contain buffers and/or pharmaceutically acceptable excipients. As is well known in the art, pharmaceutically acceptable excipients are relatively inert substances that facilitate administration of a pharmacologically effective substance and can be supplied as liquid solutions or suspensions, as emulsions, or as solid forms suitable for dissolution or suspension in liquid prior to use. For example, an excipient can give form or consistency, or act as a diluent. Suitable excipients include but are not limited to stabilizing agents, wetting and emulsifying agents, salts for varying osmolarity, encapsulating agents, pH buffering substances, and buffers. In some embodiments, such excipients include any pharmaceutical agent suitable for direct delivery to the eye which may be administered without undue toxicity. Pharmaceutically acceptable excipients include, but are not limited to, sorbitol, any of the various TWEEN compounds, and liquids such as water, saline, glycerol and ethanol. Pharmaceutically acceptable salts can be included therein, for example, mineral acid salts such as hydrochlorides, hydrobromides, phosphates, sulfates, and the like; and the salts of organic acids such as acetates, propionates, malonates, benzoates, and the like. A thorough discussion of pharmaceutically acceptable excipients is available in REMINGTON'S PHARMACEUTICAL SCIENCES (Mack Pub. Co., N.J. 1991).

[0162] In some embodiments, pharmaceutically acceptable excipients may include pharmaceutically acceptable carriers. Such pharmaceutically acceptable carriers can be sterile liquids, such as water and oil, including those of petroleum, animal, vegetable or synthetic origin, such as peanut oil, soybean oil, mineral oil, and the like. Saline solutions and aqueous dextrose, polyethylene glycol (PEG) and glycerol solutions can also be employed as liquid carriers, particularly for injectable solutions. Additional ingredients may also be used, for example preservatives, buffers, tonicity agents, antioxidants and stabilizers, nonionic wetting or clarifying agents, viscosity-increasing agents, and the like. The kits described herein can be packaged in single unit dosages or in multidosage forms. The contents of the kits are generally formulated as sterile and substantially isotonic solution.

[0163] In some embodiments, the kits further include instructions for delivery of the composition (e.g., of defective BAV vectrs or viral particles). The kits described herein may further include other materials desirable from a commercial and user standpoint, including other buffers, diluents, filters, needles, syringes, and package inserts with instructions for performing any methods described herein. Suitable packaging materials may also be included and may be any packaging materials known in the art, including, for example, vials (such as sealed vials), vessels, ampules, bottles, jars, flexible packaging (e.g., sealed Mylar or plastic bags), and the like. These articles of manufacture may further be sterilized and/or sealed. In some embodiments, the kits comprise instructions for treating a disorder described herein using any of the methods and/or compositions described herein.

Examples

[0164] The invention will be more fully understood by reference to the following examples. They should not, however, be construed as limiting the scope of the invention. It is understood that the examples and embodiments described herein are for illustrative purposes only and that various modifications or changes in light thereof will be suggested to persons skilled in the art and are to be included within the spirit and purview of this application and scope of the appended claims.

Materials and Method

[0165] The following materials and methods were used for the Examples unless indicated otherwise.

Cells and Viruses

[0166] Madin Darby bovine kidney (MDBK), CRL (Cotton rat lung) cells (Papp et al., 1997), VIDO-DT1 (cotton rat lung (CRL) cells expressing I-SceI) and CRL.pV cells (described below) were cultivated in minimal essential medium (MEM) (Sigma) supplemented with 10% heat-inactivated fetal bovine serum (FBS, Invitrogen). The HEK293T cells (ATCC? CRL-3216TM) were cultivated in Dulbecco's minimal essential medium (DMEM) (Sigma) with 10% FBS. BAV304a (BadV-3 E3 region was replaced by a EYFP gene) was propagated in MDBK cells, and mutant BadV-3s were propagated in MDBK or CRL.pV cells.

Antibodies

[0167] To produce BAdV-3 pV specific sera, two peptides representing amino acid 1-24 (XZ1) and amino acids 180-212 (XZ2) were synthesized by Genscript. Rabbits were immunized with individual (500 ?g/rabbit) peptide conjugated to key hole limpet haemocyanin emulsified with Freund's complete adjuvant followed by two injections of ovalbumin conjugated individual peptide (300 ?g/rabbit) in Freund's incomplete adjuvant three weeks apart. Sera were collected ten days after third injection and tested for specificity by Western blotting. Commercial antibodies used include RPA194 Antibody (C-1) (Santa Cruz Biotechnology), Anti-?-actin monoclonal antibody (Sigma-Aldrich), Alexa Fluor 488-conjugated goat anti-rabbit IgG (Jackson Immunoresearch), TRITC-conjugated goat anti-mouse IgG (Jackson Immunoresearch), TRITC-conjugated goat anti-rabbit IgG (Jackson Immunoresearch), Alexa Fluor 647-conjugated goat anti-rabbit IgG (Invitrogen), Alexa Fluor 680 conjugated goat anti-rabbit antibody (Invitrogen), and IRDye800 conjugated goat anti-mouse antibody (Rockland).

Construction of pV Expressing Cell Line CRL.pV

[0168] Earlier, a lentivirus system was successfully used to isolate VIDO DT1 cells expressing I-SceI endonuclease) (Du and Tikoo, 2010). To isolate the cell line stably expressing BAdV-3 pV, a second generation replication defective lentivirus system was used containing cloning plasmid pTrip-puro, plasmid pSPAX expressing HIV Gag/Pol proteins and plasmid pMD2.G, expressing vesicular stomatitis virus G protein. Briefly, a 1.2 kb DNA fragment containing BAdV-3 pV gene was ligated to EcoRV-XhoI digested plasmid pTrip-puro (containing a puromycin resistant marker), creating plasmid pTrip-pV-Puro. The HEK293T cells were co-transfected with plasmid (pTrip-pV-Puro, pSPAX2 and pSPAX) DNAs. At 48 h post-transfection, the lentivirus in media was collected and used to transduce CRL cells with 8 ?g/?l polybrene. At 24 h post-transduction, the transduced cells were transferred to 10 cm2 dishes. After 24 h, media were replaced by fresh selection media containing 5 ?g/ml of puromycin. The puromycin resistant cell clones were picked, propagated in puromycin containing media and tested for the expression of BAdV-3 pV.

Western Blot Analysis

[0169] Proteins from purified virus, virus infected cell lysates or pV expressing cell lysates were separated by Sodium dodecyl-sulfate (SDS) polyacrylamide gel electrophoresis (PAGE), transferred to nitrocellulose membrane (Bio-Rad) and probed by Western blot using protein specific anti-serum and Alexa Fluor 680, alkaline phosphatase (AP)-conjugated goat anti-rabbit IgG (Sigma), or IRDye800 conjugated antibodies. The membranes probed with fluorophore-conjugated secondary antibody were scanned and analyzed by Odyssey? CLx Imaging System (LI-COR).

Confocal Microscopy

[0170] Cells in 2-well chamber slides were fixed with 3.7% paraformaldehyde for 15 min and permeabilized with 0.1 M PBS containing 0.5% Triton X-100. After blocking with 5% goat serum, the cells were stained with rabbit anti-serum and fluorophor conjugated goat anti-rabbit IgG (Jackson Immunoresearch). Finally, the cells were mounted by mounting buffer (Vector Laboratories Inc.) containing DAPI and imagined under confocal microscope TCS SP5 (Leica).

GST-Pull Down Assay

[0171] GST fusion proteins (Importin al, a3, a5, a7, (31 or transportin-1) were purified from plasmids transfected E. coli BL21 by glutathione sepharose beads (GE Healthcare). [.sup.35S] methionine-labeled pV was synthesized and labeled by TNT T7 Quick Coupled Transcription/Translation System (Invitrogen). After incubation of GST fusion proteins and [35S] methionine-labeled pV overnight, the samples were separated by 10% SDS-PAGE. After exposed the gel overnight, the phosphor screen was scanned by Molecular Imager FX (Bio-Rad).

Isolation of Mutant BAdV-3s

[0172] VIDO DT1 (CRL cells expressing I-SceI recombinase) cells or CRL.PV(CRL cells expressing BAdV-3 pV) cells in six-well plate were transfected with individual plasmid DNA with Lipofectamine 2000 (Invitrogen). At 4 hrs posttransfection, the media were replaced with fresh MEM containing 2% FBS. Transfected cells showing cytopathic effect (CPE) were harvested, freeze-thawed three times. The recombinant virus was propagated in MDBK or CRL.pV cells.

Virus DNA Replication

[0173] The CRL cells were infected with BAV304a or BAV.dV at a MOI of 2. At 12, 24 and 36 hrs post infection, the infected cells were washed in phosphate buffered saline and used to purify low molecular weight DNA as described (Farina et al., 2001). Equal amount of DNA was digested with Bind restriction enzyme and separated by agarose gel electrophoresis and analyzed by Gel Doc? XR+ System (Bio-Rad).

CsCl Gradient Centrifugation

[0174] Monolayers of MDBK or CRL.pV (CRL cells expressing BAdV-3 pV) cells in T-150 Flasks were infected with wild-type or mutant BAdV-3s at a multiplicity of infection of 5. At 48 h post-infection, the cells were collected and resuspended in 5 ml medium. After three times freeze-thawing, the cell lysates were subjected to CsCl density gradient centrifugation at 35 000 rpm for 1 hr at 4? C. The bands containing viruses were collected, and subjected to a second centrifugation at 35 000 rpm for overnight at 4? C. At last, the virus band was collected, dialyzed three times to remove the trace amount of cesium chloride and stored in small aliquots at ?80? C.

Virus Single Cycle Growth Curve

[0175] MDBK or CRL cells in 24-well plates were infected with wild-type or mutant BAdV-3s at a multiplicity of infection of 1 or 2. At indicated time points post infection, the infected cells were harvested, lysed by freeze-thawing three times to release the virus into medium, and then used to determine virus titer by TCID.sub.50 in CRL.pV cells (CRL cells expressing BAdV-3 pV) as described elsewhere (Kulshreshtha et al., 2004).

Virus Thermostability Assay

[0176] To determine the thermostability of BAV304a and mutant BAdV-3s, 10.sup.5 purified infectious viral particles were incubated at different temperatures (?80? C., ?20? C., 4? C., 25? C. and 37? C.) for three days in PBS containing 10% glycerol. To assess the different dynamics of viral inactivation, 10.sup.5 infectious purified viral particles were incubated at different temperatures (?80? C., 4? C. and 37? C.) for 0, 1, 3 and 7 days in PBS containing 10% glycerol. At last, TCID.sub.50 was used to titrate the remaining infectivity.

Example 1. Expression of pV During BAdV-3 Infection

[0177] To characterize BAdV-3 pV, peptides ZX1 (.sup.1MASSRLIKEEMLDIVAPEIYKRKR.sup.24 (SEQ ID NO:16)) and peptide ZX2 (.sup.180SRKRGVGKVEPTIQVLASKKRRMA.sup.212(SEQ ID NO:17)) were synthesized and used to generate anti-pV sera designated as XZ1 and XZ2 sera, respectively. The specificity of the sera was analyzed by Western blot using BAdV-3 infected MDBK cells. As seen in FIG. 1A, both XZ1 serum and XZ2 serum detected a protein of 55 kDa in BAdV-3 infected cells. No such protein could be detected in mock-infected cells using XZ1 or XZ2 sera or BAdV-3 infected cells using pre-bleed sera. The protein could be detected at 24-48 hrs post infection (FIG. 1B lanes 6-8) but not at 12 hrs post infection (FIG. 1B lane 5).

[0178] Similarly, anti-pV pooled sera detected a 55 kDa protein in HEK293T cells transfected with plasmid pcDNA3-pV (pcV) (FIG. 1C, lanes 3-4) DNA. No such protein could be detected in plasmid pcDNA3 DNA transfected cells (FIG. 1C, lane 5).

Subcellular Localization of pV

[0179] To determine the subcellular localization of pV, CRL cells were transfected with plasmid pDsRed.B23 (Gomez Corredor and Archambault, 2009) and infected with BAdV-3 at 48 hrs post-transfection. At 24 hrs post-infection, the cells were analyzed by indirect immunofluorescence assay using anti-pV serum. As seen in FIG. 1D, pV colocalized predominantly with nucleolar protein B23 fused to DsRed (pDsRed.B23) suggesting that pV localizes in the nucleolus of the infected cells. To determine if nucleolar localization is dependent on other viral proteins, we determined the localization of pV in VERO cells co-transfected with plasmid pcV and pDsRed.B23 DNAs by florescence microscopy. As seen in FIG. 1D, pV co-localizes predominantly with nucleolar marker B23 fused to DsRed in the nucleolus of the co-transfected cells.

Example 2. Identification of pV Nucleolar Localization Signal

[0180] Bioinformatic analysis of pV protein sequence using motif prediction algorithms by such as PredictProtein predicted that the amino acids .sup.21KRKRPRRERAAPYAVKQEEKPLVKAERKIK.sup.50 (SEQ ID NO:18), .sup.190RKRGVGKVEPTIQVLASKKRR.sup.210 (SEQ ID NO:19) and .sup.380RRRRRRRTRR.sup.389 (SEQ ID NO:20) of BAdV-3 pV may act as potential nuclear localization signals (NLSs) (FIG. 2A). To determine if these domains act as NLS, we constructed plasmids expressing mutant pV containing specific NLS domain deletions (FIG. 2B). Vero cells co-transfected with plasmid pDsRed.B23 DNA and individual plasmid DNA expressing mutant pV protein were analyzed with immunofluorescence assay at 48 hrs post transfection. As seen in FIG. 2C, the mutant pV containing deletion of amino acid 21-50 (V.d1) localized both in the nucleus and the nucleolus of the transfected cells. Similarly, mutant pV containing deletion of amino acid 380-389 (V.d3) localized both in the nucleus and the nucleolus of the transfected cells. However, mutant pV containing deletion of amino acid 190-210 (V.d2) localize to the nucleolus of the transfected cells. Interestingly, mutant pV containing a deletion of amino acids 21-50 and 190-210 (v.d1d2) or deletion of amino acids 190-210 and 380-389(V.d2d3) could be detected in the nucleus and nucleolus of the transfected cells. In contrast, mutant pV containing the deletion of amino acids 21-50 and 380-389 (pV.d1d3), or deletion of amino acids 21-50, 190-210 and 380-389 (V.d1d2d3) localized predominantly in the nucleus of the transfected cells.

[0181] Earlier, Weber et al (Weber et al., 2000) suggested that the basic amino acid rich sequence K/R-K/R-X-K/R (SEQ ID NO:21), wherein X stands for any amino acids, may play a role in protein nucleolar localization. Our analysis of nucleolar localization sequences (NoLSs) NoLS1 (amino acid 20-50) and NoLS2 (amino acid 380-389) sequence identified three motifs (.sup.21KRKR.sup.24 (SEQ ID NO:22), .sup.26RRER.sup.29 (SEQ ID NO:23) and .sup.47RKIK.sup.50 (SEQ ID NO:24)) in NoLS1, which have the potential to act as NoLs (FIG. 3A). To determine the role of each motif (m1, m2, m3) in nucleolar localization, we constructed a panel of plasmids expressing mutant pV proteins (amino acid 380-389 deleted) in which the basic residues of identified potential NoLs motifs were replaced with glycine\alanine residues (FIG. 3A). Vero cells were co-transfected with plasmid pDsRed.B23 and individual plasmid DNA expressing mutant pV protein, and analyzed with immunofluorescence assay using anti-pV sera. As seen in FIG. 3B, pV is predominantly localized in the nucleolus of cells transfected with plasmids expressing mutant pV containing deletion of amino acid substitution in single motif (V.m1d3, V.m2d3, V.m3d3) or double motif (V.m1m2d3, V.m2m3d3, V.m1m3d3). In contrast, pV is predominantly localized in the nucleus of the cells transfected with plasmid expressing mutant pV containing basic amino acid substitution in all three potential NoLS (v.m1m2m3d3). To confirm the nucleolar retention function of BAdV-3 pV amino acids 21-50 and 380-389, DNA fragments encoding amino acids 21-50 and 380-389 were fused in-frame with enhanced yellow fluorescent protein (EYFP) gene to create plasmids pNoLs1.LEY and pNoLs2.EY expressing fusion proteins (FIG. 3C). Vero cells co-transfected with plasmid pDsRed.B23 DNA and either plasmid pNoLs1.EY DNA or plasmid pNoLS2.EY DNA were analyzed by confocal microscopy at 48 hrs post transfection. As seen in FIG. 3D, EYFP was detected both in the nucleus and in the cytoplasm of the transfected cells as EYFP could diffuse passively in the nucleus due to its small size (26 kDa). In contrast, NoLS1 (amino acids 21-50) and NoLS2 (amino acids 380-389) were able to direct the heterologous protein (EYFP) predominantly to the nucleus and the nucleolus of the transfected cells.

Example 3. Identification of pV Nuclear Localization Signal

[0182] To determine the nuclear localization signal(s) of BAdV-3 pV, we constructed plasmids expressing mutant BAdV-3 pV containing truncations and/or internal deletions (FIG. 4A). Vero cells were transfected with individual recombinant plasmid DNA. At 48 hrs post transfection, transfected cells were analyzed by indirect fluorescence using antipV sera. As seen in FIG. 4B, mutant pV containing deletions of amino acids 191-423 (V.d4, V.d5, V.d6 and V.d7) appear to be localized in the nucleus of the transfected cells. Moreover, mutant pV containing deletion of amino acid 21-50 and 190-423 (V.d8) also localized to the nucleus of the transfected cells. As expected, V.d4, V.d5 and V.d7 (contain one or both identified NoLS) localized to the nucleolus of the transfected cells, while V.d6 (absence of identified NoLs1 and 2) localized to the nucleus of the transfected cells. In contrast, analysis of mutant V.d9 (containing deletion of amino acids 21-50+101-210+380-423), V.d10 (containing deletion of amino acid 2-100+190-210+380-423) and V.d11 (containing deletion of amino acids 21-50+81-120+190-210+380-423) suggested that amino acids 21-50, 81-120, 190-210 and 380-423 may contain nuclear localization signal(s) motifs which may have redundant function. To further determine the importance of these sequences in nuclear localization of pV, we constructed plasmids (FIG. 4C) containing deletion of three of the four regions of pV containing potential NLS. Vero cells were transfected with individual plasmid DNAs and subcellular localization of mutant pVs were analyzed at 48 hrs post transfection by indirect immunofluorescence using anti-pV sera. As seen in FIG. 4D, mutant pV containing amino acids 81-120 (V.d12), 190-210 (V.d13) or amino acid 380-423 (V.d14) localized to nucleus\nucleolus. In contrast, mutant pV containing amino acid 21-50 (V.d15) localized predominantly in the cytoplasm of the transfected cell.

[0183] To examine if pV NoLSs can serve as NLSs, plasmids expressing pV.d16 (containing deletion of amino acids 81-120+190-210+390-423) (FIG. 4C) and NoLs1-GFP?Gal (FIG. 4E) were constructed and used to transfect Vero cells. As shown in FIGS. 4D and 4F, pV.d16 and NoLs1-GFP?Gal were localized in nucleus and cytoplasm, respectively.

Example 4. Interaction of pV with Importins

[0184] Members of the importin super family play an important role in nuclear transport of proteins. Since transport of some adenovirus proteins requires importins (Kohler et al., 1999; Kulshreshtha et al., 2014; Paterson et al., 2012; Wodrich et al., 2006), we performed a GST pull down assay using purified GST-fusion proteins of importin al, importin ?3, importin ?5, impotin ?7 or importin ?1 individually immobilized on glutathione-sepharose beads with radiolabelled in vitro synthesized BAdV-3 pV. As seen in FIG. 5A, GST-importin ?3 was able to bind radiolabelled pV (lane 5) as similar protein was observed in input protein control (lane 1). No radiolabelled pV was observed when purified GST alone (lane 7) or GST fusions of importin (31 (lane 2), importin ?7 (lane 3), importin ?5 (lane 4) or importin al (lane 6) bound to glutathione-sepharose beads were used in pull down assays.

[0185] Like pV (FIG. 5C,D), GST-importin ?3 bound to glutathione-Sepharose was able to bind radiolabeled pV.d18 (deletion of amino acids 190-210 and 380-423), pV.d19 (deletion of amino acids 81-120 and 190-210) and pV.d17 (deletion of amino acids 81-120 and 380-423) albeit with less intensity. However, no such interaction was observed when GST-importin ?3 fusion bound to glutathione-sepharose was used to pull down pV.d15 containing deletion of amino acids 81-120, 190-210 and 380-423.

[0186] Recently, we demonstrated that BAdV-3 33K interacts with transportin-3 (Kulshreshtha et al., 2014). To determine if pV binds to transportin-3 (Hindley et al., 2007; Kulshreshtha et al., 2014), GST pull down assay was performed using GST alone or GST-Transportin fusion protein and in vitro [35S] methionine labeled pV. As seen in FIG. 5B, a protein could be observed in input protein control (lane 1). However, no similar protein could be detected bound to GST-TRN-SR2 (transportin-3) fusion protein (Lane 2) or GST alone (lane 3).

Example 5. Construction and Localization of BAdV-3s Expressing Mutant pV Proteins

Materials and MethodsIsolation of pV Nucleolar Localization Signal BAdV-3 Mutants

[0187] To isolate mutant BAdV-3s, we constructed full length BAdV-3 plasmids containing mutant BAdV-3 genomic DNAs as described (Chartier et al., 1996).

a) Plasmid pUC304a.pVd1.

[0188] A 972 bp DNA fragment was amplified by PCR using primers M-F and d(21-50)-F1-R (Table 1), and plasmid pcDNA3-pV DNA as the template. Similarly, an 1134-bp DNA fragment was amplified by PCR using primers d(21-50) F2-F and pV-XhoI-R (Table 1), and plasmid pcDNA3-pV DNA as the template. In the third PCR, these two PCR fragments were annealed and used as DNA template to amplify a 2068-bp DNA fragment by overlapping PCR using primers M-F and pV-XhoIR (Table 1). A 1171-bp EcoRI-XhoI DNA fragment of the final PCR product (2068 bp) was isolated and ligated to EcoRI-XhoI digested plasmid pcDNA3 to create plasmid pcDNA3-pV-d(21-50). A 528-bp EcoRI-NheI DNA fragment of plasmid pcDNA3-pVd(21-50) was isolated and ligated to EcoRI-NheI digested pMCS.pV to create plasmid pMCS.pVd1.

TABLE-US-00001 TABLE1 Listofprimers 5-TCTGCTCTGATGCCGCATAGTTAAGCC-3 M-F (SEQIDNO:3) d(21-50)-F1-R 5-CGCTTTCTAGAGCCGCGGTA AATCTCAGGCGCCACGATGTC-3 (SEQIDNO:4) d(21-50-F2-F 5-TCGTGGCGCCTGAGATTTACC GCGGCTCTAGAAAGCGGGCCTTG-3 (SEQIDNO:5) pV-XhoI-R 5-AATACTCGAGAGCGCTTA ACGGCGGAGCCGGGTTAC-3 (SEQIDNO:6) M12-F1-R 5-CTGCAGCAGCTGCTGCGGGTGCAGCT CCTGCGTAAATCTCAGGCGCCACGATG-3 (SEQIDNO:7) M12-F2-F 5-CGCAGGAGCTGCACCCGCAGCAGC TGCTGCAGCACCGTATGCTGTGAAG-3 (SEQIDNO:8) M3-F1-R 5-TTTCTAGAGCCGCGAGCAGCTGCTG CCTCCGCCTTTACTAAAGGCTTCTC-3 (SEQIDNO:9) M3-F2-F 5-TTAGTAAAGGCGGAGGCAGCAGCTG CTCGCGGCTCTAGAAAGCGGGCCTTG-3 (SEQIDNO:10) pV-EcoRI-F 5-GGAGCCGAATTCATGGCCTC CTCTCGGTTGATTAAAGAAG-3 (SEQIDNO:11) pV-d(380- 5-CAGCGCTGAGGCGGGGAGTCG 389)F1-R CGACTGCAGGCAGGCGCACAC-3 (SEQIDNO:12) pV-d(380- 5-GTGTGCGCCTGCCTGCAGTCG 389)F2-F CGACTCCCCGCCTCAGCGCTG-3 (SEQIDNO:13) dV-F2-R 5-GTCCATGGCGTGTTAACAAGCTGTG-3 (SEQIDNO:14)

[0189] At last, a 6.2-kb EcoRV-Bst1107I fragment of plasmid pMCS.pVd1 was isolated and recombined with SbfI digested plasmid pUC304a.dV DNA in Escherichia coli BJ5183 (Chartier et al., 1996) to generate plasmid pUC304a.pVd1.

b) Plasmid pUC304a.pVm123.

[0190] A 986-bp DNA fragment was amplified by PCR using primers M-F and M12-F1-R (Table 1) and plasmid pcDNA3-pV DNA as the template. Similarly, a1025-bp DNA fragment was amplified by PCR using primers M12-F2-F and pV-XhoI-R (Table 1), and plasmid pcDNA3-pV DNA as the template. In the third PCR, two fragments were annealed and used to amplify a 2159-bp DNA fragment by overlapping PCR using primers M-F and pV-XhoI-R (Table 1). At last, a 1261-bp EcoRIXhoI DNA fragment of the PCR product (2159 bp) was isolated and ligated to EcoRIXhoI digested plasmid pcDNA3 to generate plasmid pcDNA3-pV-m12.

[0191] To create pcDNA3-pV-m123, a 1059-bp DNA fragment was amplified by PCR using primers M-F and M3-F1-R (Table 1), and plasmid pcDNA3-pV-m12 as the template. An 1141-bp DNA fragment was amplified by PCR using primers M3-F2-F and pV-XhoI-R (Table 1), and plasmid pcDNA3-pV-M12 DNA as the template. In the third PCR, these two DNA fragments were annealed and used to amplify a 2159-bp DNA fragment by overlapping PCR using primers M-F and pV-XhoI-R (Table 1). At last, a 1261-bp DNA fragment of the PCR product (2159-bp) was isolated and ligated to EcoRIXhoI digested plasmid pcDNA3 to generate plasmid pcDNA3-pV-m123.

[0192] A 618-bp EcoRI-NheI fragment of plasmid pcDNA3-pV-m(1+2+3) was isolated and ligated to EcoRI-NheI digested plasmid pMCS.pV to create plasmid pMCS.pVm123. The SbfI digested plasmid pUC304-dV was recombined with a 6.3-kb EcoRV-Bst1107I DNA fragment of plasmid pMCS.pVm123 in Escherichia coli BJ5183 (Chartier et al., 1996) creating plasmid pUC304a.pVm123.

c) Plasmid pUC304a.pVd3 and pUC304a.pVd1d3.

[0193] An 1171-bp fragment was amplified by PCR using primers pV-EcoRI-F and F1-R (Table 1), and plasmid pMCS.pV DNA as the template. Similarly, a 661-bp fragment was amplified by PCR using primers pVd(380-389) F2-F and dV-F2-R (Table 1), and plasmid pMCS.pV DNA as the template. In the third PCR, two PCR fragments were annealed and used to amplify a 1790-bp DNA fragment by overlapping PCR using primers pV-EcoRI-F and dV-F2-R (Table 1). At last, a 650-bp SacI-HpaI fragment of PCR product (1790 bp) was isolated and ligated to SacIHpaI digested plasmid pMCS.pV and pMCS.pVd1 to create plasmid pMCS.pVd3 and pMCS.pVd1d3, respectively.

[0194] The SbfI digested plasmid pUC304a.dV was recombined with a 6.2-kb EcoRVBst1107I fragment of plasmid pMCS.pVd3 or plasmid pMCS.pVd1d3 in Escherichia coli BJ5183 (Chartier et al., 1996) to generate plasmid pUC304a.pVd3 and plasmid pUC304a.pVd1d3, respectively.

Results

[0195] To determine if the potential NoLSs are required for efficient replication of BAdV-3, we constructed full length plasmid genomic clones expressing mutant pV containing deletion of potential NoLSs and \ or substitutions of basic residues with alanine\glycine of potential NoLS1 (FIG. 6A). Monolayer of VIDO DT1 (cotton rat lung cells expressing I-Sce1 recombinase) cells were transfected with 5-7.5 ?g of individual plasmid DNAs. The cytopathic effects appeared between 9-15 days (FIG. 6B). However, repeated transfection of VIDO DT1 (cotton rat lung cells expressing I-SceI recombinase) cells with plasmid pUC304a.pVd1d3 did not produce any cytopathic effects. Moreover, reinfection of fresh VIDO DT1 (cotton rat lung cells expressing I-SceI recombinase) with supernatants of infected cell lysates containing mutant viruses (FIG. 6A) named BAV.pVd1 (deletion of amino acid 21-50), BAV.pVm123 (containing substitutions of basic residues of all three motifs of amino acid s21-50) and BAV.pVd3 (containing deletion of amino acids 380-389) produced infectious virions. In contrast, reinfection of fresh VIDO DT1 (cotton rat lung cells expressing I-SceI recombinase) with supernatant of cell lysates potentially containing mutant BAV.pVd1d3 (containing deletion of amino acid 21-50 and amino acid 380-389) did not produce any infectious virion (Data not shown). To produce mutant BAV.pVd1d3, CRL.PV cells (CRL cells expressing BAdV-3 pV) were transfected with 5-7.5 ?g of Pad digested plasmid pUC304a.pVd1d3 DNA. The cytopathic effects were observed in 13 days (FIG. 6B). To purify the mutant viruses, the MDBK cells infected individually with BAV.pVd1, BAV.pVm123 or BAV.pVd3 (FIG. 6A) or CRL.PV cells infected with BAV.pVd1d3 were collected, freeze-thawed and purified by CsCl density gradient purification.

[0196] The presence of the desired mutations was confirmed by DNA sequencing and restriction enzyme digestion of virion DNAs. Since an additional XbaI recognition site was introduced into mutant BAV.pVd1 or BAV.pVm123 genomes, the viral genomes were digested with XbaI. As seen in FIG. 6C, BAV.pVd1 (Lane 1) and BAV.pVm123 (lane 3) genomes had a band of 2.4 kb, which was missing in BAV304a (lane 2) Similar analysis of XbaI digested BAVd1d3 (lane 9) genome detected an expected band of 2.4 kb, but not in BAV304a (lane 8). Since an additional Pst1 recognition site was introduced to the viral genome BAV.pVd3, the viral genome was digested with Pst1. As seen in FIG. 6C, a 3.2 kb band was detected in BAV304a (lane 5) but not in BAV.pVd3 (lane 4) Similar analysis of Pst1 digested BAV.pVd1d3 genome detected an expected band of 3.2 kb in BAV304a (lane 6) but not in BAV.pVd1d3 (lane 7).

[0197] The ability of the mutant BAdV-3s to express pV protein was analyzed by Western blot analysis of proteins from the lysates of virus infected cells. As seen in FIG. 6E, protein bands of expected molecular weight could be detected in lysates of CRL cells infected with mutant BAV.pVd1, BAV.pVm123, BAV,pVd3 or BAV.pVd1d3. The ability of mutant BAV.pVd1d3 to express pV protein was analyzed in CRL.PV (CRL expressing BAdV-3 pV) cells. As expected, two proteins of 55 kDa (representing wildtype pV expressed in CRL.pV cells) and 53 kDa (representing mutant pV expressed in BAV.pVd1d3) were detected in lysates of CRL.PV cells infected with BAV.pVd1d3.

Sub Cellular Localization of Mutant pV Protein in Recombinant BAdV-3 Infected Cells.

[0198] To determine the effect of deletions or amino acid substitutions on nucleolar localization of pV, CRL cells were transfected with plasmid pDsRed.B23 DNA. At 48 hrs post transfection, the cells were infected with BAV304a or individual mutant BAdV-3s. At 24 hrs post infection, the cells were analyzed by immunofluorescence using antipV sera. As seen in FIG. 6F, pV appears localized mainly in the nucleoli of BAV304a or BAV.pVd1 infected cells. Similarly, pV appears localized predominantly in the nucleoli of BAV.pVm123 infected cells. In contrast, pV appears localized in the nucleus of BAV.pVd3 or BAV.pVd1d3 infected cells.

Growth Kinetics of Viruses

[0199] To examine if the deletion\mutation of pV nucleolar localization signals affects BAdV-3 replication, we compared the ability of the mutant viruses and BAV304a to grow on MDBK cells. The virus infected cells were harvested at indicated time points post infection, freeze-thawed 3-5 times and cell lysates were used to determine the virus titers by TCID.sub.50 assay. As seen in FIG. 6D, at 48 hrs, virus titer of mutant BAVpVd1, BAV.pVm123, BAV.pVd3 appeared 0.6 to 1.0 log less compared to BAV304a. In contrast, mutant BAV.pVd1d3 did not replicate in MDBK cells.

Example 6. Analysis of Gene Expression in Mutant Virus-Infected Cells

Materials and MethodsAntibodies

[0200] The production and characterization of antibodies raised against BAdV-3 DBP (Zhou et al., 2001), fiber (Wu and Tikoo, 2004) and 100K (Makadiya et al., 2015) have been described. Anti-hexon serum detects a protein of 98 kDa in BAdV-3 infected cells (Kulshreshtha et al., 2004). Anti-pVII serum detects two proteins of 22 and 20 kDa in BAdV-3 infected cells (Paterson, 2010). Anti-pX recognizes a protein of 25 kDa in BAdV-3 infected cells.

Materials and MethodsProtein Expression Analysis

[0201] Monolayers of MDBK in six-well plate were infected with BAV304a or mutant BAdV-3s at multiplicity of infection of 1. At 24 h post-infection, infected cells were harvested and probed by Western blotting using protein-specific rabbit antisera and mouse anti-?-actin as primary antibodies (Sigma), Alexa Fluor 680 goat anti-rabbit (Invitrogen) and IRDye 800 goat anti-mouse (Rockland), respectively, as secondary antibodies. At last, the membranes were imagined and analyzed by using the Odyssey? CLx Imaging System (LI-COR).

Results

[0202] Since the deletion\mutation of pV NoLS influences the viral growth kinetics, we investigated the effects of pV NoLS deletion/mutations on the expression of early and late proteins in mutant BAdV-3 infected cells by Western blot using protein specific antisera. As seen in FIG. 7A, anti-DBP serum, anti-pVII serum, anti-pV serum, anti-pX serum, anti-hexon serum and anti-100K serum detected proteins of expected molecular weights both in BAV304a and mutant virus infected cells. Densitometer analysis of protein production (FIG. 7B) showed no significant differences in the expression of DBP, pX in any mutant BAdV-3 infected cells compared to BAV304a infected cells. Similarly, there was no dramatic change in the expression of pVII in mutant infected cells compared to BAV304a infected cells. However, expression of hexon and 100K was significantly reduced in BAV.pVd1d3 infected cells compared to BAV304a infected cells. Moreover, the expression of pV was severely reduced in mutant BAVd1d3 infected cells compared to BAV304a, BAV.pVd1, BAV.pVm123, and BAV.pVd3 infected cells.

Example 7. Structural Protein Incorporation Assay

Materials and MethodsAntibodies

[0203] The production and characterization of antibodies raised against BAdV-3 DBP (Zhou et al., 2001), fiber (Wu and Tikoo, 2004) and 100K (Makadiya et al., 2015) have been described. Anti-hexon serum detects a protein of 98 kDa in BAdV-3 infected cells (Kulshreshtha et al., 2004). Anti-pVII serum detects two proteins of 22 and 20 kDa in BAdV-3 infected cells (Paterson, 2010). Anti-pX recognizes a protein of 25 kDa in BAdV-3 infected cells.

Results

[0204] To determine if the decreased late protein express influences the structural protein incorporation, structural proteins in purified virus were separated by 10% SDS-PAGE, transferred to nitrocellulose membrane and probed with western blot by anti-Hexon (Kulshreshtha et al., 2004), anti-Fiber (Wu and Tikoo, 2004), anti-pVII (Paterson, 2010), anti-pV and anti-pVIII (Ayalew, 2014) antisera. As shown in FIG. 8, there was no detectable difference between Hexon, Fiber, pVII and pVIII expression among these recombinant BAdV-3s. However, the expression of pV mutants was different. Firstly, different sized pV mutants were detected from different recombinant BAdV-3s, indicating the deletion or mutation of pV NoLS(s). Secondly, different pV expression patterns shown in BAV.pVd1d3 purified from CRL and CRL.pV cells. Two pV bands were detected in BAV.pVd1d3 purified from CRL.pV cells, while only the lower one was detected in the BAV.pVd1d3 purified from CRL cells.

Example 8. Analysis of BAdV-3 Capsid Assembly

Materials and MethodsTransmission Electron Microscopy

[0205] Monolayers of MDBK cells were infected with BAV304a or BAV.pVd1d3 at MOI of 5. At 48 h post-infection, the cells were harvested and fixed in 2.5% glutaraldehyde in 0.1 M PBS, followed by post-fixation in 1% OsO4 and dehydration in a graded ethanol series and propylene oxide. Dehydrated cells were infiltrated in mixtures of propylene oxide and EMbed-812 embedding medium, and then polymerized in embedding capsules at 60? C. for 24-48 h. At last, the pellet was sectioned with a Reichert ultracut microtome, each section stained with 2% uranyl acetate and viewed on a Philips CM10 TEM.

Results

[0206] Since expression of BAdV-3 proteins (hexon, 100, and pV) was significantly reduced in NoLSs deleted BAdV-3 (BAV.pVd1d3), viral capsid assembly was analyzed initially in BAV.pVd1d3 and BAV304a infected MDBK cells. Capsid formation was analyzed in BAV.pVd1d3 infected cells by TEM. As seen in FIG. 9A, although capsid formation was observed in BAV.pVd1d3 infected cells, many of the capsids were lightly stained. Moreover, there were less amount of capsids observed in BAV.pVd1d3 infected cells than BAV304a infected cells.

[0207] Viral capsid assembly was analyzed by using BAV.pV1d3 and BAV304a viral particles purified from MDBK cells. The infected cells were harvested, freeze-thawed, and the virions were purified using CsCl gradients. As seen in FIG. 9B, few mature virions were present in purified BAV.pVd1d3. Moreover, the amount of mature virions present in purified BAV.pVd1d3 was significantly lower than the amount detected in BAV304a infected cells.

Example 9. Thermostability of Recombinant BAdV-3s

[0208] Deletions and mutations in viral genome are always associated with thermo vulnerability (Ugai et al., 2007). To examine if the deletion or mutation of pV NoLSs leads to the decrease of BAdV-3 thermostability, wild-type and recombinant BAdV-3s were treated as described above (Ugai et al., 2007). As seen in FIG. 10A, there is no titer difference when the temperature was under 25? C. However, when viruses were incubated at 37? C., the titers dropped significantly, especially for BAV.pVd1d3 and BAV.pVm123. To assess the different dynamics of viral inactivation, wild-type and recombinant BAdV-3s were treated at ?80? C., 4? C. or 37? C. for 0, 1, 3 or 7 days. As seen in FIG. 10B-F, after seven days incubation at ?80? C. or 4? C., there was no detectable change in all these five BAdV-3s. However, after seven days incubation at 37? C., BAV304a, BAV.pVm123 and BAV.pVd1d3 lost all their infectivity, while for the single NoLS deleted recombinant viruses BAV.pVd3 and BAV.pVd1, ?103 infectious VP were still remaining.

Example 10. Isolation of BAV.dV in CRL Cells

[0209] Materials and MethodsConstruction of Plasmid pUC304A.dV

[0210] A 6.4-kb EcoRV-Bst1107I DNA fragment of plasmid pUC304A+(E3 deleted BAdV-3 containing CMV.EYFP inserted in E3 region), was isolated and ligated to a 2.1-kb EcoRV-Bst1107I fragment of plasmid pMCS1 (Thanbichler et al., 2007) creating plasmid pMCS-pV. To delete pV from pMSC-pV, a 465-bp fragment was amplified by using primers dV-F1-F: 5-TGATCCGGTGGCCGACACAATCGAG-3(SEQ ID NO:25); dV-F1-R: 5-TGTGGCCGCTTGGCGGATGCCTGCAGGCACAGTGGGTTTATCGGCGCG-3 (SEQ ID NO:26) and plasmid pMCS-pV DNA as a template. Similarly, a 602-bp fragment was amplified by PCR using primers dV-F2-F: 5-GCCGATAAACCCACTGTGCCTGCAG GCATCCGCCAAGCGGCCACAGTAAC-3 (SEQ ID NO:27); dV-F2-R: 5-GTCCATGGCGTGTTAA CAAGCTGTG-3 (SEQ ID NO:14) and plasmid pMCS-pV DNA as a template. In the third PCR, these two fragments were annealed and used as DNA temple to amplify the 1040-bp DNA fragment without pV by overlapping PCR using primers dV-F1-F and dV-F2-R. Finally, a 622-bp EcoRI-HpaI DNA fragment of the third PCR product was isolated and ligated to EcoRI-HpaI digested plasmid pMSC-pV creating plasmid pMSC.dV.

[0211] A 1.6-kb SbfI fragment (containing kanamycin resistant gene) of plasmid pUC4K (Taylor and Rose, 1988) was isolated and ligated to SbfI digested plasmid pMCS.dV to create plasmid pMSC-dV-Kan. The recombinant plasmid pUC304-dV-Kan was generated by homologous recombination in E. coli BJ5183 between the plasmid pUC304A+ DNA and a 6.4-kb EcoRV-Bst1107I DNA fragment of plasmid pMCS-dV-Kan. Finally, plasmid pUC304.dV-Kan was digested with SbfI and large fragment was religated to create plasmid pUC304A.dV.

Results

[0212] To determine if pV is essential for BAV304a (Du and Tikoo, 2010) replication, we constructed a plasmid pUC304A.dV containing BAdV-3 genome with deletion of pV and insertion of CMV-EYFP gene cassette in E3 deleted region (FIG. 11B). Individual plasmid pUC304A.dV or pUC304A+(containing BAdV-3 genome with insertion of CMV-EYFP gene cassette in E3 deleted region)(FIG. 11A) DNA were used to transfect VIDO DT1 cells.

[0213] At 6 days post-transfection, the EYFP expression and cytopathic effects were visible in the cells transfected with plasmid pUC304A+ DNA (FIG. 11A). However, repeated transfection of VIDO DT1 cells with plasmid pUC304A.dV DNA did show EYFP expression in few cells but no any cytopathic effects even after 20 days post transfection (FIG. 11B). Moreover, while the lysates from the cells transfected with plasmid pUC304A+ DNA produced cytopathic effects in freshly infected VIDO DT1 cells, the lysates from the cells transfected with plasmid pUC304A.dV DNA did not produce any cytopathic effect or expression of EYFP in freshly infected VIDO DT1 cells (data not shown). These results suggest that pV is essential for the replication of BAV304a.

Example 11. Construction of CRL.pV Cells Expressing BAdV-3 pV

[0214] To isolate a cell line expressing BAdV-3 pV, CRL cells were transduced with lentivirus expressing BAdV-3 pV and grown in the presence of puromycin as described earlier (Du and Tikoo, 2010). The puromycin resistant clones were analyzed initially for the expression of pV by Western blot and immunofluorescence assay using pV specific antiserum. Earlier analysis using anti-pV serum suggested that pV is expressed as 55 kDa in BAdV-3 infected cells and localizes predominantly in the nucleolus of BAdV-3 infected cells (Zhao and Tikoo, 2016, manuscript in preparation). As shown in FIG. 12A, anti-pV serum detected a protein of 55 kDa in BAdV-3 infected cells. Similar protein could be detected in two puromycin resistant clones using anti-pV serum (FIG. 12A, lanes 1, 2). No such protein could be detected in CRL cells (FIG. 12A, lane 4). Secondly, the sub cellular location of pV in puromycin resistant clones was analyzed by confocal microscopy. As seen in FIG. 12B anti-pV serum detected protein predominantly localized in the nucleolus of pV expressing cells (CRL.pV1, CRL.pV2). No such protein could be detected in the nucleolus of CRL cells.

Example 12. Isolation of BAV.dV in CRL.pV Cells

[0215] To isolate pV deleted BAV304a, CRL.pV cells were transfected with PacI digested plasmid pUC304A.dV DNA and observed for the development of cytopathic effects (FIG. 13A). As shown in FIG. 13B, the cytopathic effect and EYFP expression was firstly observed at 7 days post-transfection, which increased by day 12. To confirm the identity of recombinant virus named BAV.dV, first viral DNA was purified from infected CRL.pV cells, digested with KpnI and analyzed by agarose gel electrophoresis. As shown in FIG. 13C, BAV304a (Lane 1) contains a fragment of 4.7 kb, which was missing in BAV.dV. Instead, BAV.dV (lane 2) contain a fragment of 3.5 kb because of the deletion of pV gene. Secondly, the expression of pV in virus infected CRL cells was analyzed by Western blot using anti-pV serum. As seen in FIG. 13D, a 55 kDa protein could be detected in BAV304a infected CRL cells (lane 1). Similar mol wt protein could be detected in uninfected CRL.pV cells (lane 3). No such band could be detected in BAV.dV infected CRL cells (lane 2).

[0216] To determine the influence of pV on the formation of BAdV-3 particle, CRL cells or CRL.pV cells were infected with purified BAV.dV (grown in CRL.pV cells) at a MOI of 2. At 48 hrs post infection, the lysates of infected cells were used to purify virions by CsCl gradient centrifugation. As seen in FIG. 13E, deletion of pV predominantly produced population of virus representing mature virions. Moreover, no visible decrease in the production of the mature virus particles could be observed in BAV.dV grown in CRL.pV cells or CRL cells.

Growth of BAV.dV in CRL Cells

[0217] To determine if BAV.dV can produce infectious viral particles in pV negative CRL cells, viral growth characteristics of CsCl purified BAV304a (grown in CRL cells) and BAV.dV (grown in CRL.pV cells) was analyzed. Monolayers of CRL cells in 24 well were infected with BAV304a or BAV.dV at MOI of 2. The infected cells were harvested at different times (0, 6, 12, 24, 36, 48 hrs) post-infection. After freeze-thawing three times, the samples were titrated by TCID.sub.50 in CRL.pV cells. As shown in FIG. 13F, BAV304a grew to a titer of ?10.sup.8 TCID.sub.50/m; at 48 h post-infection of CRL.pV cells. In contrast, there was no detectable increase in the titer of BAV.dV Similarly, no detectable increase in the titer of BAV.dV could be observed in MDBK cells (data not shown).

Example 13. Analysis of Protein Expression in BAV.dV Infected Cells

Materials and MethodsAntibodies

[0218] Production and characterization of anti-DBP (Kulshreshtha et al., 2004), which detect a protein of 48 and 102 kDa in BAdV-3 infected cells, respectively, has been described. The anti-pX serum detects a protein of 25 kDa, anti hexon serum detects a protein of 103 kDa and anti-pVII serum detects proteins of 22 and 20 kDa (Paterson, 2010) in BAdV-3 infected cells.

Results

[0219] To analyze if deletion of pV modulates the expression of viral proteins, monolayers of CRL cells were infected with BAV304a or BAV.dV at MOI of 2. At 24 hrs post-infection, the cells were harvested and lysed. The proteins from the cell lysates were separated by SDS-PAGE, transferred to nitrocellulose membrane and probed by protein specific anti-serum and secondary antibodies conjugated with fluorophores. Finally, the membranes were scanned and analyzed by Odyssey CLx Imaging System. As expected (FIG. 14A,B), the expression of pV could be detected in BAV304a infected CRL cells but not in BAV.dV infected CRL cells. No appreciable difference could be detected in the expression of early DBP protein in CRL cells infected with BAV304a or BAV.dV. However, compared to BAV304a, reduced expression of some late proteins particularly 100K, pX and pVII were observed in BAV.dV infected cells. Moreover both precursor and cleaved form of pVII could be detected in BAV304a or BAV.dV infected cells.

Analysis of BAV.dV DNA Replication

[0220] The CRL cells were infected with purified BAV304a or BAV.dV (grown in CRL.pV cells) at a MOI of 2. At 12, 24 or 36 hrs post infection, the cells were collected, washed with PBS and used to extract DNA as described (Farina et al., 2001). The DNA isolated from equal number of cells was digested with restriction enzyme Bind. Analysis of restriction enzyme digested DNA (FIG. 14C) suggested that both BAV304a and BAV.dV replicated to similar levels in CRL cells.

Example 14. Analysis of Protein Incorporation in BAV.dV Viral Particles

[0221] To determine the incorporation of pV in the progeny virions, proteins from purified virions were separated by 10% SDS-PAGE, transferred to nitrocellulose and probed in Western blot using anti-pV serum. As seen in FIG. 15A, anti-pV detected a protein of 55 kDa in purified BAV304a grown in CRL cells (lane 1). Similar protein band could be detected in purified BAV.dV grown in CRL.pV cells (lane 3). However, no such protein could be detected in BAV.dV grown in CRL cells (lane 2). Moreover, there was no detectable difference in the incorporation of the viral proteins in purified BAV304a or BAV.dV virions (grown in CRL cells or CRL.pV cells). As seen in FIG. 15A, hexon and protein were efficiently incorporated in purified BAV304a grown in CRL cells (lane 1), 6 purified BAV.dV grown in CRL cells (lane 2) or purified BAV.dV grown in CRL.pV cells (lane 3).

[0222] Anti-pVII serum detected both precursor and cleaved form of pVII in BAV304a infected cells (FIG. 15B, lane 2) or BAV.dV infected CRL cells (FIG. 15B, lane 4) or CRL.pV cells (FIG. 15B, lane 6). As expected, a protein consistent with the cleaved form of pVII could be detected in purified BAV304a grown in CRL cells (FIG. 15B, lane 1), purified BAV.dV grown in CRL cells (FIG. 15B, lane 3) or grown in CRL.pV cells (FIG. 15B, lane 5) Similarly, a cleaved form of pVIII is incorporated in purified BAV304a grown in CRL cells (FIG. 15A, lane 1), BAV.dV grown in CRL cells (FIG. 15A, lane 2) or BAV.dV grown in CRL.pV cells (FIG. 15A, lane 3).

Example 15. Analysis of BAV.dV by Transmission Electron Microscopy

Materials and MethodsTransmission Electron Microscopy

[0223] CRL cells were infected with BAV304a or BAV.dV at MOI of 2. At 24 hrs post-infection, the cells were collected and fixed in 2.5% glutaraldehyde, and with 1% 0s04 in 0.1M PBS. After dehydration with a graded ethanol series and propylene oxide, the samples were infiltrated with a mixture of propylene oxide and EMbed-812 embedding medium and polymerized in embedding capsules at 60?C for 24-48 hrs. The pellets were sectioned by using a Reichert ultracut microtome, the sections were stained with 2% uranyl acetate and lead citrate. Finally, the stained sections were viewed using a Philips CM10 TEM.

Results

[0224] To examine if the deletion of pV affects the formation of BAdV-3 particles, CRL cells were infected with BAV304a or BAV.dV at an MOI of 2. At 24 hrs post infection, the cells were collected, processed and analyzed by TEM. As seen in FIG. 16A, BAV304a (panel 3, 4) appeared to produce more viral particles than BAV.dV (panel 5, 6) in infected CRL cells. Moreover, BAV304a particles were uniform and loosely arranged (panel 3). In contrast, BAdV.dV particles appeared to be clustered together and appeared tightly organized in rows (panel 5). Analysis of the enlargement of selected areas of TEM images suggested that BAV304a are clearly of typical icosahedral in shape (panel 4). However, BAV.dV showed less clear morphology and did not possess clear icosahedral shape (panel 6). No such virions could be detected in mock infected CRL cells (FIG. 16A, panel 1, 2).

[0225] Next, we analyzed the CsCl purified BAV304a or BAV.dV (grown in CRL cells) by TEM. The analysis of mature BAV304a virions detected intact capsids with typical icosahedral shape (FIG. 16B, panel 1, 2). In contrast, most of the BAV.dV particles appeared circular in shape with partially degraded capsids (FIG. 16B, panel 3, 4).

Example 16. Thermostability of BAdV.dV

[0226] To determine if the deletion of pV alter viral thermostability, purified viral particles in PBS containing 10% glycerol were incubated at different temperatures (?80? C., ?20? C., 4? C., 25? C. and 37? C.) for 3 days or incubated at different temperatures (?80? C., 4? C. and 37? C.) for 0, 1, 3 and 7 days. Finally, the infectivity was measured by TCID.sub.50 assay. As seen in FIG. 17A, there appeared no difference in the thermostability or dynamics of viral inactivation of BAV304a or BAV.dV grown in CRL.pV cells. In contrast, both thermostability and dynamics of viral inactivation of BAV.dV grown in CRL cells appeared significantly different from BAV304a (FIG. 17B).

Example 17. Deletion of pV does not Result in Compensatory Mutations

[0227] Unlike primary cells (Ugai et al., 2012), HAdV-5 pV is not required for virus replication and formation of infectious virus particles in cancer cells (Ugai et al., 2012). This is due to apparent thermostable mutations (G13E and R17I) in the less conserved region of core protein X/Mu, which compensate for the lack of pV (Ugai et al., 2007). Moreover, analysis of CsCl gradient purified pV deleted HAdV-5 grown in cancer cells show increased incorporation of protein X\Mu in mature virions. In contrast, pV appears essential for the replication of BAdV-3 CRL or MDBK cells. Despite conservation of arginine residue at amino acid 20 of BAdV-3 pV (Ugai et al., 2007), analysis of DNA sequence of different clones of BAV.dV grown (different passages) in CRL or MDBK cells did not reveal any mutation in the core proteins X\Mu or pVII (data not shown). Because of unavailability of reagents, the incorporation of the X\Mu could not be analyzed in CsCl gradient purified BAV.dV grown in CRL cell. Our results suggest that deletion of pV does not introduce compensatory mutations in core proteins X\Mu or pVII.

[0228] In summary, we have demonstrated that BAdV-3 pV is essential for the replication of BAdV-3 in CRL (primary) and MDBK (continuous) cells. Analysis of BAV.dV suggested that pV appears to be required for maintaining the integrity of the capsid structure and helps in stability of BAdV-3 capsid. However, lack of pV did not introduce any compensatory mutations in other core proteins x\Mu or pVII. Moreover, pV may have a role in the proteolytic cleavage of pVII.

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TABLE-US-00002 SEQUENCES BovineAdenovirus3genomenucleotidesequence (SEQIDNO:1) catcatcaataatctacagtacactgatggcagcggtccaactgccaatcatttttgcca 60 cgtcatttatgacgcaacgacggcgagcgtggcgtgctgacgtaactgtggggcggagcg 120 cgtcgcggaggcggcggcgctgggcggggctgagggcggcgggggcggcgcgcggggcgg 180 cgcgcggggcggggcgaggggcggagttccgcacccgctacgtcattttcagacattttt 240 tagcaaatttgcgccttttgcaagcatttttctcacatttcaggtatttagagggcggat 300 ttttggtgttcgtacttccgtgtcacatagttcactgtcaatcttcattacggcttagac 360 aaattttcggcgtcttttccgggtttatgtccccggtcacctttatgactgtgtgaaaca 420 cacctgcccattgtttacccttggtcagttttttcgtctcctagggtgggaacatcaaga 480 acaaatttgccgagtaattgtgcacctttttccgcgttaggactgcgtttcacacgtaga 540 cagactttttctcattttctcacactccgtcgtccgcttcagagctctgcgtcttcgctg 600 ccaccatgaagtacctggtcctcgttctcaacgacggcatgagtcgaattgaaaaagctc 660 tcctgtgcagcgatggtgaggtggatttagagtgtcatgaggtacttcccccttctcccg 720 cgcctgtccccgcttctgtgtcacccgtgaggagtcctcctcctctgtctccggtgtttc 780 ctccgtctccgccagccccgcttgtgaatccagaggcgagttcgctgctgcagcagtatc 840 ggagagagctgttagagaggagcctgctccgaacggccgaaggtcagcagcgtgcagtgt 900 gtccatgtgagcggttgcccgtggaagaggatgagtgtctgaatgccgtaaatttgctgt 960 ttcctgatccctggctaaatgcagctgaaaatgggggtgatatttttaagtctccggcta 1020 tgtctccagaaccgtggatagatttgtctagctacgatagcgatgtagaagaggtgacta 1080 gtcacttttttctggattgccctgaagaccccagtcgggagtgttcatcttgtgggtttc 1140 atcaggctcaaagcggaattccaggcattatgtgcagtttgtgctacatgcgccaaacct 1200 accattgcatctatagtaagtacattctgtaaaagaacatcttggtgatttctaggtatt 1260 gtttagggattaactgggtggagtgatcttaatccggcataaccaaatacatgttttcac 1320 aggtccagtttctgaagaggaaatgtgagtcatgttgactttggcgcgcaagaggaaatg 1380 tgagtcatgttgactttggcgcgccctacggtgactttaaagcaatttgaggatcacttt 1440 tttgttagtcgctataaagtagtcacggagtcttcatggatcacttaagcgttcttttgg 1500 atttgaagctgcttcgctctatcgtagcgggggcttcaaatcgcactggagtgtggaaga 1560 ggcggctgtggctgggacgcctgactcaactggtccatgatacctgcgtagagaacgaga 1620 gcatatttctcaattctctgccagggaatgaagcttttttaaggttgcttcggagcggct 1680 attttgaagtgtttgacgtgtttgtggtgcctgagctgcatctggacactccgggtcgag 1740 tggtcgccgctcttgctctgctggtgttcatcctcaacgatttagacgctaattctgctt 1800 cttcaggctttgattcaggttttctcgtggaccgtctctgcgtgccgctatggctgaagg 1860 ccagggcgttcaagatcacccagagctccaggagcacttcgcagccttcctcgtcgcccg 1920 acaagacgacccagactaccagccagtagacggggacagcccaccccgggctagcctgga 1980 ggaggctgaacagagcagcactcgtttcgagcacatcagttaccgagacgtggtggatga 2040 cttcaatagatgccatgatgttttttatgagaggtacagttttgaggacataaagagcta 2100 cgaggctttgcctgaggacaatttggagcagctcatagctatgcatgctaaaatcaagct 2160 gctgcccggtcgggagtatgagttgactcaacctttgaacataacatcttgcgcctatgt 2220 gctcggaaatggggctactattagggtaacaggggaagcctccccggctattagagtggg 2280 ggccatggccgtgggtccgtgtgtaacaggaatgactggggtgacttttgtgaattgtag 2340 gtttgagagagagtcaacaattagggggtccctgatacgagcttcaactcacgtgctgtt 2400 tcatggctgttattttatgggaattatgggcacttgtattgaggtgggggcgggagctta 2460 cattcggggttgtgagtttgtgggctgttaccggggaatctgttctacttctaacagaga 2520 tattaaggtgaggcagtgcaactttgacaaatgcttactgggtattacttgtaaggggga 2580 ctatcgtctttcgggaaatgtgtgttctgagactttctgctttgctcatttagagggaga 2640 gggtttggttaaaaacaacacagtcaagtcccctagtcgctggaccagcgagtctggctt 2700 ttccatgataacttgtgcagacggcagggttacgcctttgggttccctccacattgtggg 2760 caaccgttgtaggcgttggccaaccatgcaggggaatgtgtttatcatgtctaaactgta 2820 tctgggcaacagaatagggactgtagccctgccccagtgtgctttctacaagtccagcat 2880 ttgtttggaggagagggcgacaaacaagctggtcttggcttgtgcttttgagaataatgt 2940 actggtgtacaaagtgctgagacgggagagtccctcaaccgtgaaaatgtgtgtttgtgg 3000 gacttctcattatgcaaagcctttgacactggcaattatttcttcagatattcgggctaa 3060 tcgatacatgtacactgtggactcaacagagttcacttctgacgaggattaaaagtgggc 3120 ggggccaagaggggtataaataggtggggaggttgaggggagccgtagtttctgtttttc 3180 ccagactgggggggacaacatggccgaggaagggcgcatttatgtgccttatgtaactgc 3240 ccgcctgcccaagtggtcgggttcggtgcaggataagacgggctcgaacatgttgggggg 3300 tgtggtactccctcctaattcacaggcgcaccggacggagaccgtgggcactgaggccac 3360 cagagacaacctgcacgccgagggagcgcgtcgtcctgaggatcagacgccctacatgat 3420 cttggtggaggactctctgggaggtttgaagaggcgaatggacttgctggaagaatctaa 3480 tcagcagctgctggcaactctcaaccgtctccgtacaggactcgctgcctatgtgcaggc 3540 taaccttgtgggcggccaagttaacccctttgtttaaataaaaatacactcatacagttt 3600 attatgctgtcaataaaattctttatttttcctgtgataataccgtgtccagcgtgctct 3660 gtcaataagggtcctatgcatcctgagaagggcctcatataccatggcatgaatattaag 3720 atacatgggcataaggccctcagaagggttgaggtagagccactgcagactttcgtgggg 3780 aggtaaggtgttgtaaataatccagtcatactgactgtgctgggcgtggaaggaaaagat 3840 gtcttttagaagaagggtgattggcaaagggaggctcttagtgtaggtattgataaatct 3900 gttcagttgggagggatgcattcgggggctaataaggtggagtttagcctgaatcttaag 3960 gttggcaatgttgccccctaggtctttgcgaggattcatgttgtgcagtaccacaaaaac 4020 agagtagcctgtgcatttggggaatttatcatgaagcttggaggggaaggcatgaaaaaa 4080 ttttgagatggctttatggcgccccaggtcttccatgcattcgtccataataatagcaat 4140 aggcccggttttggctgcctgggcaaacacgttctgagggtgggcgacatcatagttgta 4200 gtccatggtcaggtcttcataggacatgatcttaaaggcaggttttagggtgctgctttg 4260 aggaaccagagttcctgtggggccgggggtgtagttcccttcacagatttgggtctccca 4320 agcaagcagttcttgcgggggtatcatgtcaacttgggggactataaaaaaaacagtttc 4380 gggaggtggttgaatgaggcccgtagacataaggtttctgaggagctgggattttccaca 4440 accggttggtccgtagaccaccccaataacgggttgcatggtaaagtttaaagatttgca 4500 tgaaccgtcagggcgcagatatggcatggtggcattcatggcatctcttatcgcctgatt 4560 atagtctgagagggcattgagtagggtggcgccccccatagccagtagctcgtccaagga 4620 agaaaagtgtctaagaggtttgaggccttcagccatgggcatggactctaagcactgttg 4680 catgagagcacatttgtcccaaagctcagagacgtggtctagtacatctccatccagcat 4740 agctctttgtttcttgggttggggtggctgttgctgtagggggcgagacggtgacggtcg 4800 atggcccgcagggtgcggtctttccagggcctgagcgtcctcgccagggtcgtctcggtg 4860 accgtgaagggctgctgatgcgtctgtctgctgaccagcgagcgcctcaggctgagcctg 4920 ctggtgccgaacttttcgtcgcctagctgttcagtggaataataacaagtcaccagaagg 4980 tcgtaggagagttgtgaggtggcatggcctttgctcgaagtttgccagaactctcggcgg 5040 cggcagcttgggcagtagatgtttttaagggcatatagtttgggggctaagaagacagat 5100 tcctggctgtgggcgtctccgtggcagcgggggcactgggtctcgcattccacaagccaa 5160 gtcagctgagggttggtgggatcaaagaccagaggacggttattacctttcaggcggtgc 5220 ttgcctcgggtgtccatgagttcctttcccctttgggtgagaaacatgctgtccgtgtct 5280 ccgtagacaaatttgagaatccggtcttctaggggagtgcctctgtcttctaaatagagg 5340 atgtctgcccattcagagacaaaggctctagtccacgcgaggacaaatgaagctatgtgt 5400 gaggggtatctgttattaaatatgagagaggattttttttgcaaagtatgcaggcacagg 5460 gctgagtcatcagcttccagaaaggtgattggtttgtaagtgtatgtcacgtgatggttc 5520 tgggggtctcccagggtataaaagggggcgtcttcgtctgaggagctattgctagtgggt 5580 gtgcactgacggtgcttccgcgtggcatccgtttgctgcttgacgggtgagtaggtgatt 5640 tttagctctgccatgacagaggagctcaggttgtcagtttccacgaaggcggtgcttttg 5700 atgtcgtaggtgccgtctgaaatgcctctaacatatttgtcttccatttggtcagaaaag 5760 acagtgactctgttgtctagcttagtggcaaagctgccatacagggcattggacagcagt 5820 ttggcaatgcttctgagagtttggtttttctctttatccgccctttccttgggcgcaatg 5880 ttaagttgcacgtagtctctagccagacactcccactggggaaatactgtggtgcggggg 5940 tcgttgagaatttggactctccagccgcggttatgaagcgtgatggcatccaaacaagtt 6000 accacttccccccgtagtgtctcgttggtccagcagaggcgacctccttttctggagcag 6060 aagggcggtataacgtccaagaatgcttctgggggtgggtctgcatcaatggtgaatatc 6120 gcgggcagtagggtgcgatcaaaatagtcaatgggtctgtgcaactgggttaggcggtct 6180 tgccagtttttaattgcaagcgctcgatcaaaggggttcaaaggttttcccgctgggaaa 6240 ggatgggtgagggcgctggcatacatgccgcagatgtcatacacatagatggcttctgtt 6300 aggacgcctatgtaggtaggatagcatcggccgccccgaatactttctctaacgtaatca 6360 tacatttcattggaaggggctagtagaaagttgcccagagagctcctgttgggacgctgg 6420 gatcggtagactacctgtctgaagatggcatgggaattggagctgatggtgggcctttgg 6480 aggacattgaaattgcagtggggcagccccactgacgtgtgaacaaagtccaaataagat 6540 gcttggagttttttaaccaattcggccgtaaccagcacgtccatagcacagtagtccaag 6600 gtgcgttgcacaatatcataggcacctgaattctcttgcagccagagactcttattgaga 6660 aggtactcctcgtcgctggaccagtagtccctctgaggaaaagaatctgcgtcggttcgg 6720 taggtacctaacatgtaaaattcatttacagctttgtaagggcagcagcctttttccacg 6780 ggtaaagcgtaagcggcagctgcgttcctgagactcgtgtgcgtgagagcaaaggtatct 6840 cggaccatgaacttcacaaactgaaatttatagtctgctgaggtgggagtgccttcctcc 6900 cagtctttgaagtcttttcgagcagcatgtgtggggttaggcagagcaaaagttaagtca 6960 ttgaaaagaatcttgccacaacgaggcatgaaatttctactgactttaaaagcagctgga 7020 ataccttgtttgttgttaatgacttgtgcggctagaacaatctcatcaaagccgtttatg 7080 ttgtgccctacgacatagacttccaagaaagtcggttgccctttgagttcaagcgtacac 7140 agttcctcgaaaggaatgtcgctggcatggacatagcccagtttgaggcagaggttttct 7200 aagcacggattatctgccaggaactggcgccaaagcaaagtgctggcagcttcttgaagg 7260 gcatcccgatactgtttaaacaagctgcctactttgtttctttgcgggttgaggtagtag 7320 aaggtatttgcttgctttggccagcttgaccacttttgctttttagctatgttaacagcc 7380 tgttcgcatagctgcgcgtcaccaaacaaagtaaacacgagcataaaaggcatgagttgc 7440 ttgccaaagctaccgtgccaagtgtatgtttccacatcatagacgacaaagaggcgccgg 7500 gtgtcggggtgagcggcccaggggaaaaactttatttcttcccaccagtccgaagattgg 7560 gtgtttatgtggtgaaagtaaaagtcccggcggcgagtgctgcaggtgtgcgtctgctta 7620 aaatacgaaccgcagtcggcacatcgctggacctctgcgatggtgtctatgagatagagc 7680 tttctcttgtgaataagaaagttgagggggaagggaaggcgcggcctgtcagcgcgggcc 7740 gggatgcttgtaattttcagcttccccttgtatgttttgtaaacgcacatatttgcgttg 7800 cagaaccggacgagcgtgtcttggaatgaaaggatattttctggttttaaatcaaatggg 7860 cagtgctccaagtgcagttcaaaaaggtttcggagactgctggaaacgtctgcgtgatac 7920 ttgacttccagggtggtcccgtcttcagtctgaccgtgcagccgtagggtactgcgtttg 7980 gcgaccaggggcccccttggggctttctttaaaggggacgtcgagggccgaggggcggcc 8040 tttgcctttcgggcctgaggggcggtagctggaccggatcgttgagttcgggcatgggtt 8100 gcagctgttggcgcaggtctgatgcgtgctgcacgactctgcggttgattctctgaatct 8160 ccgggtgttgggtgaatgctactggccccgtcactttgaacctgaaagagaggtcgacag 8220 agttaatagatgcatcgttaagctccgcctgtctaataatttcttccacgtcaccgctgt 8280 ggtctcggtaagcaatgtctgtcataaaccgttcgatctcttcctcgtccagttctccgc 8340 gaccagctcggtggaccgtggctgccaagtccgtgctaatgcgtcgcatgagctgggaaa 8400 aggcattggttcccggttcattccacactctgctgtatataacagcgccatcttcgtctc 8460 gggctcgcatgaccacctggcccaagtttagctccacgtggcgagcaaagacggggctga 8520 ggcggaggtggtggtgcagataattgagagtggtggctatgtgctccacgatgaagaagt 8580 agatgacccatctgcggatggtcgactcgttaatgttgccctctcgctccagcatgttta 8640 tggcttcgtaaaagtccacagcgaagttaaaaaactgctcgttgcgggcggagactgtca 8700 gctcttcttgcaggagacgaatgacttcggctacggcggcgcggacttcttcggcaaagg 8760 agcgcggcggcacgtcctcctcctcctcttcttccccctccagcgggggcatctccagct 8820 ctaccggttccgggctgggggacagggaaggcggtgcgggccgaacgacccgtcggcgtc 8880 gggtgggcaaggggagactctctatgaatcgctgcaccatctcgccccggcgtatccgca 8940 tctcctgggtaacggcacgcccgtgttctcggggtcggagctcaaaagctccgccccgca 9000 gttcggtcagaggccgcgccgcgggctggggcaggctgagtgcgtcaataacatgcgcca 9060 ccactctctccgtagaggcggctgtttcgaaccgaagagactgagcatccacgggatcgc 9120 tgaagcgttgcacaaaagcttctaaccagtcgcagtcacaaggtaggctgagcataggtg 9180 aggctcgctcggtgttgtttctgtttggcggcgggtggctgaggagaaaattaaagtacg 9240 cgcaccgcaggcgccggatggttgtcagtatgatgagatccctgcgacccgcttgttgga 9300 ttctgatgcggtttgcaaagccccaggcttggtcttggcatcgcccaggttcatgcactg 9360 ttcttggaggaatctctctacgggcacgttgcggcgctgcgggggcagggtcagccattt 9420 cggtgcgtccaaacccacgcaatggttggatgagagccaagtccgctactacgcgctctg 9480 ctaggacggcttgctggatctgccgcagcgtttcatcaaagttttccaagtcaatgaagc 9540 ggtcgtaggggcccgcgtttatggtgtaggagcagtttgccatggtggaccagtccacaa 9600 tctgctgatctacccgcaccgtttctcggtacaccagtcggctataggctcgcgtctcga 9660 aaacatagtcgttgcaaacgcgcaccacgtattggtagccgattaggaagtgcggcggcg 9720 ggtataagtagagcggccagttttgcgtggccggctgtctggcgcccagattccgtagca 9780 tgagtgtggggtatcggtacacgtgacgcgacatccaggagatgcccgcggccgaaatgg 9840 cggccctggcgtactcccgggcccggttccatatattcctgagaggacgaaagattccat 9900 ggtgtgcagggtctgccccgtaagacgcgcgcaatctctcgcgctctgcaaaaaacatac 9960 agatgaaacatttttggggcttttcagatgatgcatcccgctttacggcaaatgaagccc 10020 agatccgcggcagtggcgggggttcctgctgcggccgccggcgcgagcgttgactcaggc 10080 ggtactaccgcgccccctggtgtcgagtgcggcgagggggaagggttagctcggctgtac 10140 gcgcacccggacacacacccgcgcgtgtgcgtgaagcgcgatgcggcggaggcgtacgtt 10200 ccccgggagaacttattccgcgaccgcagcggggaggaacccgaagggagccgagaccta 10260 aagtacaaggccggtcggcagttgcgcgccggcatgccccgaaagcgggtgctgaccgaa 10320 ggggactttgaggtggatgagcgcactggcatcagctcagccaaagcccacatggaggcg 10380 gccgatctagtgcgggcttacgagcaaacggtgaagcaagaggctaattttcaaaagtca 10440 tttaataaccacgtgcggacactgatctcccgcgaggagaccaccctgggtttgatgcac 10500 ttgtgggactttgcggaggcatacgcgcagaaccccggcagcaagacccttacggcccaa 10560 gtctttctcatcgtgcagcacttgcaagatgagggcatttttggggaagctttcttaagc 10620 atagcagagcccgagggacgatggatgctagatctgctaaacatattgcagtccattgtg 10680 gtgcaagagcgccagctttcgctatctgaaaaggtagccgcggtgaactactccgtagtt 10740 accctgggcaaacattatgcccgcaagatctttaagagcccctttgtgccgcttgacaag 10800 gaggtgaagatcagtacattttatatgcgcgcggtgcttaaggtcctgggtctaagtcac 10860 gacctgggcatgtacagaaacgaaaaggtggagaagctagctagcataggcaggcgttcg 10920 ggagatgagcgacgcggagctgctgttcaacctccgccgcgcactaaccactggcgattc 10980 tgaagcattcgatgaaggcggggactttacctgggctccgccaactcgcgcgaccgcggc 11040 ggccgctttgccggggcccgagtttgagagtgaagagacggacgatgaagtcgacgaatg 11100 agtgatgcggacccccgtatctttcagctggtcagtcggcaagagaccgtagccatggcc 11160 gaagcgccccgaagcctgggccccgccccttccaatcctagtttgcaggctttattccaa 11220 agccagcccagcgccgagcaggagtggcacggcgtgctggagagagtcatggcccttaac 11280 aaaaatggagactttggctcgcagccccaggcgaaccggtttggagccatcctcgaagcc 11340 gtggtgcccccgcgctccgatcccacccatgaaaaagtgctagctattgtgaatgcgctc 11400 ttggagactcaggccatccgtcgcgatgaggccggacagatgtacaccgcgctgttgcag 11460 cgggtggccagatacaacagtgtgaatgtgcagggcaatttggacaggctgattcaggac 11520 gtgaaggaggctctggcgcagcgcgagcgcaccgggccgggggccggcctagggtctgtg 11580 gtagccttgaatgccttcctgagcacacagccagcggtggtggagaggggccaggagaac 11640 tatgtggcctttgtgagcgccttaaaactcatggtgaccgaggcgccgcagtctgaggtt 11700 taccaggccggacctagtttcttttttcaaaccagccggcacggttcgcagacggtaaac 11760 ctcagtcaggcctttgataacttgcgacccctctggggcgtgcgcgcgccagtacacgag 11820 cgtactaccatctcctctctgctcacaccaaacacccgcttgctcttgctcctcattgcg 11880 ccctttacggacagcgtgggcatatcccgggacagttacctggggcatctgctgaccctt 11940 taccgggagaccataggtaacactcgagttgatgagaccacgtacaacgagatcacggaa 12000 gtgagtcgggccctgggcgccgaagacgcgtctaacttgcaagccactctcaactactta 12060 ctcacaaataagcagagcaagttgccacaggagttttctctgagtcccgaagaggagcgg 12120 gtgctgcgctacgtgcagcaatctgtcagtttatttttaatgcaggatggacacacggcc 12180 accactgctctagatcaggctgcggccaacatagcgccctcgttttacgcgtcccaccgc 12240 gactttataaaccgactgatggactatttccagcgagctgcggctatggcccctgactac 12300 tttttacaggctgttatgaatccccactggctcccgccgccgggtttctttactcaggag 12360 tttgactttccggagcccaacgaaggcttcctgtgggatgatttggacagcgcgctccta 12420 cgcgcgcacgtaaaagaagaggaggatcaaggagctgtgggcggcacgccggcggcttcg 12480 gcgcccgcgtctcgcgcgcacacaccaccgccgccgcccggtgccgcggacctctttgct 12540 cctaacgccttccgcaatgtgcaaaataacggcgtggatgaacttattgacggcttaagc 12600 agatggaagacttacgcccaggagaggcaggaagtcgttgagcggcacaggcgcagagag 12660 gcgcgtcgccgggcgcgcgaggcgcgtctagagtcgagcgatgatgacgacagcgaccta 12720 gggccgtttctacggggcacggggcacctcgttcacaaccagtttatgcatctgaagccc 12780 cggggtccccgccagttttggtaaccgcactgtattaagctgtaagtcctctcatttgac 12840 acttaccaaagccatggtcttgcttcgcctctgacactttctctccccccacacgcggca 12900 ccctacagcctaggggcgatgctccagcccgaactgcagccaattccgctgtcccgccgc 12960 cggcttatgaggcggtggtggctggggccttccagacgctttctcttcgacgagatccac 13020 gtcccgccgcgatatgctgccgcgtctgcggggagaaacagtatccgttattccatgctg 13080 cccccgttgtatgacaccacgaagatataccttatcgacaacaaatcttcagacatccaa 13140 actctgaattaccaaaacgaccactcagattacctcactaccatcgtgcagaacagcgac 13200 ttcacgcccctggaggctagcaaccacagcatcgagctagacgagcggtcccgctggggc 13260 ggaaaccttaaaaccatcctttatacaaacctgcctaatatcacccagcacatgttttct 13320 aactcttttcgggtaaagatgatggcctcaaaaaaagacggcgtgccccagtacgagtgg 13380 ttccccctaaggctgcccgagggtaacttttctgagactatggtcattgacctcatgaac 13440 aatgccatcgtagagctgtacttggctttggggcgccaggagggcgtgaaggaagaggac 13500 atcggggtaaagatcgatacgcgcaactttagtctgggctatgacccgcagacccagtta 13560 gtgacgcccggcgtatacaccaatgaagctatgcatgcggacatcgtgttgctgccgggc 13620 tgtgctatagactttacgcactcccgattaaacaacctcttgggcatacgcaagcgtttt 13680 ccgtaccaagagggcttcgtcatctcctatgaggaccttaaggggggtaacatccccgct 13740 ttgatggacgtggaggagtttaacaagagcaagacggttcgagctttgcgggaggacccc 13800 aaggggcgcagttatcacgtgggcgaagacccagaagccagagaaaacgaaaccgcctac 13860 cgcagctggtacctggcttacaattacggggacccagaaaaaggggtgcgggccaccaca 13920 ctgctgactaccggcgacgtgacctgcggggtggaacagatctactggagcttgccggac 13980 atggcactggacccagtcactttcaaggcttcgctgaaaactagcaattaccccgtggtg 14040 ggcacagaacttttgccactggtgccgcgtagcttttataacgctcaggctgtgtactca 14100 cagtggatacaagaaaaaactaaccagacccacgttttcaatcgctttcccgaaaatcag 14160 atcttggtgcggccccctgcgcctaccatcacgtccataagtgaaaataagcccagcttg 14220 acagatcacggaatcgtgccgctccggaaccgcttggggggcgtgcaacgtgtgactttg 14280 actgacgcgcggcgaagatcctgcccctacgtctacaagagcttaggcattgtgacgccg 14340 caagtgctatctagccgcacgttttaagcagacaggggcacagcagccgttttttttttt 14400 tttttttcgctccaccagggactgtcaggaacatggccattctaatctctcctagcaata 14460 acacgggctggggcctgggatgcaataagatgtacgggggcgctcgcatacgttcagact 14520 tgcatccagtgaaggtgcggtcgcattatcgggccgcctggggcagccgcaccggtcggg 14580 tgggtcgccgcgcaaccgcagctttagccgatgccgtcgcggccaccggtgatccggtgg 14640 ccgacacaatcgaggcggtggtggctgacgcccgccagtaccggcgccgcagacggcgag 14700 gggtgcgccgagtcagaaggttgcgtcggagcccccgcactgccctgcagcgacgggttc 14760 gtagcgtacgccgacaagtggcgagggcccgcagggtgggccggcgcgcggccgctatcg 14820 cagcagacgcggccatggccatggcggcgccagctcggcgacgccgtaacatctactggg 14880 tacgcgatgcggcaaccggagcccgcgttccggtgacaacccggcctacggtcagcaaca 14940 ccgtttgaaatgtctgctacttttttttgcttcaataaaagcccgccgactgatcagcca 15000 caccttgtcacgcagaattctttcaaaccattgcgctctcagcgcgcgcgccgataaacc 15060 cactgtgatggcctcctctcggttgattaaagaagaaatgttagacatcgtggcgcctga 15120 gatttacaagcgcaaacggcccaggcgagaacgcgcagcaccgtatgctgtgaagcagga 15180 ggagaagcctttagtaaaggcggagcgcaaaattaagcgcggctccagaaagcgggcctt 15240 gtcaggcgttgacgttcctctgcccgatgacggctttgaggacgacgagccccacataga 15300 atttgtgtctgcgccgcgtcggccctaccagtggaagggcaggcgggtgcgccgggtttt 15360 gcgtcccggcgtggccgttagtttcacgcccggcgcgcgctccctccgtccgagttccaa 15420 gcgggtgtatgacgaggtgtacgcagacgacgacttcttagaagcggccgcggcccgtga 15480 gggggagtttgcttacggaaagcggggacgcgaggcggcccaggcccagctgctaccggc 15540 tgtggccgtgccggaaccgacttacgtagttttggatgagagcaaccccaccccgagcta 15600 caagcctgtaaccgagcagaaagttattctttcccgcaagcggggtgtggggaaggtaga 15660 gcctaccatccaggttttagctagcaagaagcggcgcatggccgagaatgaggatgaccg 15720 cggggccggctccgtggccgaagtgcagatgcgagaagttaaaccggtaaccgctgcctt 15780 gggtattcagaccgtggatgttagcgtgcccgaccacagcactcccatggaggtcgtgca 15840 gagtctcagtcgggcggctcaagtagctcaacgcctgacccaacaacaggtgcggccttc 15900 ggctaagattaaagtggaggccatggatctttctgctcccgtagacgcaaagcctcttga 15960 cttaaaacccgtggacgtaaagccgaccccgaccttcgtgcttcccagctttcgttcact 16020 cagcacccaaactgactctttgcccgcggcagtggtcgtgccgcgcaagccccgcgtgca 16080 ccgtgctactaggcgtactgcgcgcggcttgctgccctattaccgcctgcatcctagcat 16140 cacgccgacaccgggttaccgaggatctgtctacacgagctcgggtgtgcgcctgcccgc 16200 cgtccgggcgccgccgtcgccgccgtacccgcagggcgactccccgcctcagcgctgccg 16260 cggccgcggcgctgctgcccggcgtgcgctatcaccctagcatccgccaagcggccacag 16320 taacccggctccgccgttaagcgctgtgaaactgcaacaacaacaacaaaaataaaaaaa 16380 agtctccgctccactgtgcaccgttgtccatcggctaataaagtcccgctttgtgcgccg 16440 caggaaccactatccgtaacctgcgaaaatgagtccccgcggaaatctgacttacagact 16500 gagaataccggtcgccctcagtggccggcgccggcgccgaacaggcttgcgaggagggtc 16560 tgcgtacctgctcggccgccgcagaaggcgcgcgggcggcggccgcctgcgcgggggctt 16620 ccttcccctcctggctcccatcattgcagccgccatcggcgcaatccccggcatcgcatc 16680 agtggccattcaggcggcccacaacaaatagggacagtgtaaagaaagctcaatctcaat 16740 aaaacaaaccgctcgatgtgcataacgctctcggcctgcaacttctgctgcttacgtctt 16800 tgaccaaagtcactactgttttccttttacccagagccggcgccagccccacacagcttg 16860 ttaacacgccatggacgaatacaattacgcggctcttgctccccggcaaggctcccgacc 16920 catgctgagccagtggtccggcatcggcacgcacgaaatgcacggcggacgttttaatct 16980 gggcagtttgtggagcgggatcaggaatgtgggcagcgcgttaagaactggggctctcgg 17040 gcctggcacagcaatgcgggcaagcgttgcgcgcccagctgaaaaagacgggcttgcaag 17100 aaaagatattgagggcgttagcgccggtatccacggagccgtggatctgggccgtcagca 17160 gctagagaaagctattgagcagcgcctagagcgtcgccccaccgctgccggtgtggaaga 17220 ccttccgcttcccccgggaacagtcttagaagctgatcgtttaccgccctcctacgccga 17280 agcggtggctgagcgcccgccgccggctgacgttctcctgcccgcatcctcaaagccgcc 17340 ggtggcggtggtgaccttgcccccgaaaaagagagtgtctgaagagcctgtggaggaagt 17400 tgtgattcgttcctccgcaccgccgtcgtacgacgaggttatggcaccgcagccgactct 17460 ggtagccgagcagggcgccatgaaagcagtgcccgtgattaagccggctcaaccttttac 17520 cccagctgtgcacgaaacgcaacgcatagtgaccaacttgccaatcaccacagctgtgac 17580 acggcgacgcgggtggcagggcactctgaatgacatcgtgggcctcggcgttcgtaccgt 17640 gaagcgccggcggtgctattgagggggcgcgcagcggtaataaagagaacataaaaaagc 17700 aggattgtgttttttgtttagcggccactgactctccctctgtgtgacacgtcctccgcc 17760 agagcgtgattgattgaccgagatggctaccccgtcgatgctgccgcaatggtcctactg 17820 cacatcgccggtcaggacgcgtccgagtacctgtcccccggcttggtgcaattcgcacaa 17880 gccaccgaatcctactttaacattgggaacaagtttagaaaccccaccgtcgccccgacg 17940 cacgatgtcaccacggagcgttcgcagcgtctgcagctccgcttcgtgcccgtagaccgg 18000 gaggacacacagtactcctacaaaacccgcttccagctagccgtgggcgacaaccgggtg 18060 ctggacatggccagcacgtattttgacatccgcggtacgctggagaggggcgccagtttc 18120 aagccttacagcggcacggcctacaactcctttgcccccaacagtgcccctaacaatacg 18180 cagtttaggcaggccaacaacggtcatcctgctcagaccatagctcaagcttcttacgtg 18240 gctaccatcggcggtgccaacaatgacttgcaaatgggtgtggacgagcgtcagcagccg 18300 gtgtatgcgaacactacgtaccagccggaacctcagctcggcattgaaggttggacagct 18360 ggatccatggcggtcatcgatcaagcaggcgggcgggttctcaggaaccctactcaaact 18420 ccctgctacgggtcctatgctaagccgactaacgagcacgggggcattactaaagcaaac 18480 actcaggtggagaaaaagtactacagaacaggggacaacggtaacccggaaacagtgttt 18540 tatactgaagaggctgacgtgctaacgcccgacacccaccttgttcacgcggtaccggcc 18600 gcggatcgggcaaaggtggaggggctatctcagcacgcagctcccaacaggccgaacttt 18660 atcggctttcgggactgctttgtaggcttgatgtattataacagcgggggcaacctgggc 18720 gtcttagcgggtcaatcctctcagctgaatgccgtggtagacctgcaagaccgcaacact 18780 gagctttcctatcagatgcttcttgcaaacacgacggacagatcccgctattttagcatg 18840 tggaaccaagccatggactcgtacgacccggaggtcagggtgatagataacgtgggcgta 18900 gaggacgagatgcctaattactgctttccgttgtcgggggttcagattggaaaccgtagc 18960 cacgaggttcaaagaaaccaacaacagtggcaaaatgtagctaatagtgacaacaattac 19020 ataggcaaggggaacctaccggccatggagataaatctagcggccaatctctggcgttcc 19080 tttttgtacagtaatgtggcgttgtacttgccagacaaccttaaattcacccctcacaac 19140 attcaactcccgcctaacacgaacacctacgagtacatgaacgggcgaatccccgttagc 19200 ggccttattgatacgtacgtaaatataggcacgcggtggtcgcccgatgtgatggacaac 19260 gtgaatccctttaaccaccaccgcaactcgggcctgcgttaccgctcccagctgctgggc 19320 aacggccgcttctgcgactttcacattcaggtgccacaaaagttttttgctattcgaaac 19380 ctgcttctcctgcccggcacgtacacttacgagtggtcctttagaaaggacgtaaacatg 19440 atccttcagagcactctgggcaatgatctgcgggtcgatggggccactgttaatattacc 19500 agcgtcaacctctacgccagcttctttcccatgtcacataacaccgcttccactttggaa 19560 gctatgctccgcaacgacactaatgaccagtcttttaatgactatctctcggcggctaac 19620 atgttgtatcccattccgcccaatgccacccaactgcccatcccctcacgcaactgggca 19680 gcgttccgtggctggagtctcacccggctaaaacagagggagacaccggcgctggggtcc 19740 ccgttcgatccctatttcacctattcgggcaccatcccgtacctggacggcactttttac 19800 ctcagccacacctttcgcaaggtggccatccagtttgactcttctgtgacctggcccggc 19860 aatgacaggcttttaacccctaacgagttcgaaataaaaataagtgtggacggtgaaggc 19920 tacaacgtggctcagagcaatatgactaaggactggttcctggtgcagatgctagcgaat 19980 tacaacataggctaccagggatatcacctgcccccggactacaaggacaggacattttcc 20040 ttcctgcataacttcatacccatgtgccgacaggttcccaacccagcaaccgagggctac 20100 tttggactaggcatagtgaaccatagaacaactccggcttattggtttcgattctgccgc 20160 gctccgcgcgagggccacccctacccccaactggccttaccccctcattgggacccacgc 20220 catgccctccgtgacccagagagaaagtttctctgcgaccgcaccctctggcgaatcccc 20280 ttctcctcgaacttcatgtccatggggtccctcacagatctcggacagaacctactgtat 20340 gccaatgccgcgcatgccctagacatgacttttgagatggatcccatcaatgagcccact 20400 ctgctgtacgttctgtttgaggtgtttgacgtggcccgcgttcaccagccccacagaggc 20460 gtgatcgaagtggtgtacttgagaacgccattctcagccggcaacgctaccacataagtg 20520 ccggcttccctctcaggccccgcgatgggttctcgggaagaggagctgagattcatcctt 20580 cacgatctcggtgtggggccatacttcctcggcactttcgataaacactttccggggttc 20640 atctccaaagaccgaatgagctgtgccatagtcaacactgccggacgcgaaaccgggggc 20700 gtgcattggctggccatggcttggcacccagcctcgcagaccttttacatgtttgaccct 20760 ttcggtttctcggatcaaaagctaaagcaaatttacaactttgagtatcagggcctccta 20820 aagcgcagcgccctgacttccactgctgaccgctgcctgacccttattcaaagcactcaa 20880 tctgtccagggacccaacagcgccgcctgcggtctgttctgctgcatgttcctccacgcc 20940 tttgtccgctggccgcttagggccatggacaacaatcccaccatgaacctcatccacgga 21000 gttcccaacaacatgttggagagccccagctcccaaaatgtgtttttgagaaaccagcaa 21060 aatctgtaccgtttcctaagacgccactccccccattttgttaagcatgcggctcaaatt 21120 gaggctgacaccgcctttgataaaatgttaacaaattagaccgtgagccatgattgcaga 21180 agcatgtcattttttttttattgtttaaaataaaaacaacacataacatctgccgcctgt 21240 cctcccgtgatttcttctgctttatttgcaaatggggggcaccttaaaacaaagagtcat 21300 ctgcatcgtactgatcgatgggcagaataacattctgatgctggtactgcgggtcccagc 21360 ggaattcgggaatggtaatgggggggctctgtttaaccagcgcggaccacatctgcttaa 21420 ccagctgcaaggctgaaatcatatctggagccgaaatcttgaaatcgcagtttcgctggg 21480 cattagcccgcgtctgccggtacacagggttacagcactgaaatactaacaccgatgggt 21540 gttctacgctggccaggagtttgggatcttctacgaggctcttatctaccgcagagcccg 21600 cgttgatattaaagggcgttatcttgcatacctgacggcctaggaggggcaattgggagt 21660 gaccccagttacaatcacactttaaaggcataagcagatgagttccggcactttgcatcc 21720 tggggtaacaggctttctgaaaggtcatgatctgccagaaagcctgcaaagccttgggcc 21780 cctcgctgaaaaacataccacaagactttgaggtaaagctgccggccggcaaagcggcgt 21840 caaagtgacagcaagccgcgtcttcattctttagctgcactacgttcatattccaccggt 21900 tggtggtgatctttgtcttatgcggggtctcttttaaagcccgctgcccattttcgctgt 21960 tcacatccatctctatcacttggtctttggtaagcataggcaggccatgcaggcagtgaa 22020 gggccccgtctcccccctcggtacactggtggcgccagaccacacagcccgtggggctcc 22080 acgaggtcgtccccaggcctgcgacttttaacacaaaatcatacaagaagcggcccataa 22140 tagttagcacggttttctgagtactgaaagtaagaggcaggtacactttagactcattaa 22200 gccaagcttgtgcaaccttcctaaaacactcgagcgtgccagtgtcgggcagcaaggtta 22260 agtttttaatatccactttcaaaggcacacacagccccactgctaattccatggcccgct 22320 gccaagcaacttcgtcggcttccagcaaggcccggctggccgccggcagggcgggagcgg 22380 cggcctcagcggctggggctgaaggtttgaaaatcttggcgcgcttaacggctgtgacat 22440 cttcggcggggggctcagcgatcggcgcgcgccgtttgcggctgacttttttccggggcg 22500 tctcatctatcactaaggggttctcgtccccgctgctgtcagccgaactcgtggctcgcg 22560 ttaagtcaccgctgcgattcattattctctcctagataacgacaacaaatggcagagaaa 22620 ggcagtgaaaatcagcggccagagaacgacactgagctagcagcggtttcagaagcccta 22680 ggcgcggccgcttcggccccctcacgtaactccccgactgacacggattcaggggtggaa 22740 atgacgcccaccagcagccccgagccgcccgccgctcccccaagttcgcctgccgcagca 22800 cctgcccctcagaagaaccaggaggagctctcttcccccgagcccgcggtagcagcagcg 22860 gagccagaagccgcttcgcggcccagaccacccacacccaccgttcaggtcccgcgggag 22920 ccgagcgaggatcaacctgacggacccgcgacgaggccttcgtacgtgagcgaggattgc 22980 ctcatccgccatatctctcgccaggctaacattgttagagacagcctggcagaccgctgg 23040 gagttagagcccaccgtgtcggctctctccgaggcttacgaaaagctcctcttttgtccc 23100 aaggtaccacccaagaagcaagagaatggcacttgcgaacctgaacctcgcgttaatttt 23160 ttccccacctttgtagtgcccgaaactttagccacgtaccacatctttttccaaaaccaa 23220 aaaatccccctgtcttgtcgcgccaaccgcacccacacagacaccatcatgcacctctac 23280 tcgggggactccttaccgtgcttccccacgctgcagctggtcaacaaaatctttgaaggc 23340 ttgggctcagaggagcggcgcgcagccaactcgctgaaagatcaagaggataacagcgcg 23400 ttagttgagctcgaaggggacagtccccgactggctgtggttaagcgcacactgtctttg 23460 acacatttcgcctaccctgccataacactaccgcctaaggtgatggcagctgtcactggc 23520 agcctcattcatgaatcagcagcgaccgccgaaccggaagctgaggcgctgccagaagcc 23580 gaggagcccgtggttagtgaccctgaacttgctcgctggttggggctcaacttacaacag 23640 gagcccgaggccacggcccaggctttggaagaaagacgcaagattatgttggcagtatgc 23700 ttagtcacacttcagctcgagtgcctgcacaagtttttttcttcagaggatgtcatcaaa 23760 aagctgggagagagcctccactacgcctttcgccacggctacgtgcgccaagcctgctcc 23820 atttctaacgtggaactaacgaacatcgtctcatacctgggtatcttgcacgaaaaccgc 23880 ttgggacagagtaccctacacgccacccttaaagacgagaaccgcagagactacatcaga 23940 gacacagtctttctctttctggtttatacttggcagactgccatgggcatttggcagcag 24000 tgcctcgagactgagaacgtaaaagaacttgaaaagctcttgcaaaaaagcaagagggct 24060 ctctggacgggcttcgacgagctcaccatagctcaagacctagctgacatagtgttcccc 24120 cccaaattcttgcacaccttgcaagccggcctgccagaccttacatcccagagtctcctt 24180 cacaactttcgctccttcattttcgaacgctcgggcattctacccgccatgtgcaatgca 24240 ctgcccaccgacttcatccctatcagctaccgggagtgccctccaactttctgggcctac 24300 acctacctctttaaactggccaattacctcatgtttcactccgacatcgcttacgatcgg 24360 agcggccccggtctcatggaatgctactgtcgctgcaacctgtgcagtcctcaccgctgc 24420 ttggcgaccaaccccgccctgctcagcgagacccaagttatcggtaccttcgagattcag 24480 ggccctcctgctcaagacggacagccgaccaaaccgcccctcaggctgactgcaggtctc 24540 tggacttccgcctacctgcgcaaatttgtaccgcaagacttcaacgcccacaaaatagcc 24600 ttctacgaagaccaatccaaaaagccgaaagtgacccccagcgcttgtgtcatcactgaa 24660 gaaaaagttttagcccaattgcatgaaattaaaaaagcgcgggaagactttcctcttaaa 24720 aaggggcacggagtgtatctggaccctcagaccggcgaggagctgaacggacccgcaccc 24780 tccgcagctaggaatgaaaccccgcagcatgtcggcagccgggccttccgcggctcaggc 24840 ttcggagggccaacagctgccgccacagacagcggggctgcagccgagcaagagggctgt 24900 gaggaaggtagtagcttctctgaatcccaccgccgccctggaagacatatccgaggggga 24960 ggaaggcttccccctgacggacgaggaagacggggacaccctggagagcgatttcagcga 25020 cttcacggacgaagacgtcgaggaggaggatatgatttcgataccccgcgaccaggggca 25080 ctccggcgagctcgaggagggcgaaattcccgcaacggtagcggcgacggcggtcaagaa 25140 gggccagggcaagaagagtaggtgggaccagcaggtccgctccacagcgcctctaaaggg 25200 cgctagaggtaagaggagctacagctcctggaaacccctcaagcccactatcctttcatg 25260 cttactgcagagctccggcagcactgccttcactcgccgctatctgctttttcgccatgg 25320 cgtgtccgttccctccagggtaattcattactataattcttactgcagacccgaagctga 25380 ccaaaaccgccactcagagcaaaaagagccgccggagtgccagcgcggcgcgccctcgcc 25440 ctcctcctcttcctcccaagcgtgctcgggcgccccgccgccccaaaggccagcgccatc 25500 aggccgacgacgcaagcaccgagggccgcgacaagcttcgggagctgatctttcccactc 25560 tctatgccatattccaacaaagtcgcgctcagcggtgtcacctcaaagtgaaaaatagat 25620 ccttacgttcactgacgcgcagctgcctctaccacaacaaggaggaacagctccagcgaa 25680 ccctagcagactccgaggcgcttctcagtaaatactgctctgcagctccgacacgattct 25740 cgccgccctcttataccgagtctcccgccaaggacgaatccggacccgcctaaactctca 25800 gcatgagcaaagaaattcccacaccttatgtttggacctttcaacctcagatgggagcgg 25860 ccgcaggtgccagtcaagattactcgacccgcatgaattggttcagcgcgggacctgata 25920 tgatccacgacgttaacaacattcgtgacgcccaaaaccgcatccttatgactcagtcgg 25980 ccattaccgccactcccaggaatctgattgatcccagacagtgggccgcccacctcatca 26040 aacaacccgtggtgggcaccacccacgtggaaatgcctcgcaacgaagtcctagaacaac 26100 atctgacctcacatggcgctcaaatcgcgggcggaggcgctgcgggcgattactttaaaa 26160 gccccacttcagctcgaacccttatcccgctcaccgcctcctgcttaagaccagatggag 26220 tctttcaactaggaggaggctcgcgttcatctttcaaccccctgcaaacagattttgcct 26280 tccacgccctgccctccagaccgcgccacgggggcataggatccaggcagtttgtagagg 26340 aatttgtgcccgccgtctacctcaacccctactcgggaccgccggactcttatccggacc 26400 agtttatacgccactacaacgtgtacagcaactctgtgagcggttatagctgagattgta 26460 agactctcctatctgtctctgtgctgcttttccgcttcaagccccacaagcatgaagggg 26520 tttctgctcatcttcagcctgcttgtgcattgtcccctaattcatgttgggaccattagc 26580 ttctatgctgcaaggcccgggtctgagcctaacgcgacttatgtttgtgactatggaagc 26640 gagtcagattacaaccccaccacggttctgtggttggctcgagagaccgatggctcctgg 26700 atctctgttcttttccgtcacaacggctcctcaactgcagcccccggggtcgtcgcgcac 26760 tttactgaccacaacagcagcattgtggtgccccagtattacctcctcaacaactcactc 26820 tctaagctctgctgctcataccggcacaacgagcgttctcagtttacctgcaaacaagct 26880 gacgtccctacctgtcacgagcccggcaagccgctcaccctccgcgtctcccccgcgctg 26940 ggaactgcccaccaagcagtcacttggttttttcaaaatgtacccatagctactgtttac 27000 cgaccttggggcaatgtaacttggttttgtcctcccttcatgtgtacctttaatgtcagc 27060 ctgaactccctacttatttacaacttttctgacaaaaccggggggcaatacacagctctc 27120 atgcactccggacctgcttccctctttcagctctttaagccaacgacttgtgtcaccaag 27180 gtggaggacccgccgtatgccaacgacccggcctcgcctgtgtggcgcccactgcttttt 27240 gccttcgtcctctgcaccggctgcgcggtgttgttaaccgccttcggtccatcgattcta 27300 tccggtacccgaaagcttatctcagcccgcttttggagtcccgagccctataccaccctc 27360 cactaacagtccccccatggagccagacggagttcatgccgagcagcagtttatcctcaa 27420 tcagatttcctgcgccaacactgccctccagcgtcaaagggaggaactagcttcccttgt 27480 catgttgcatgcctgtaagcgtggcctcttttgtccagtcaaaacttacaagctcagcct 27540 caacgcctcggccagcgagcacagcctgcactttgaaaaaagtccctcccgattcaccct 27600 ggtcaacactcacgccggagcttctgtgcgagtggccctacaccaccagggagcttccgg 27660 cagcatccgctgttcctgttcccacgccgagtgcctccccgtcctcctcaagaccctctg 27720 tgcctttaactttttagattagctgaaagcaaatataaaatggtgtgcttaccgtaattc 27780 tgttttgacttgtgtgcttgatttctccccctgcgccgtaatccagtgcccctcttcaaa 27840 actctcgtaccctatgcgattcgcataggcatattttctaaaagctctgaagtcaacatc 27900 actctcaaacacttctccgttgtaggttactttcatctacagataaagtcatccaccggt 27960 taacatcatgaagagaagtgtgccccaggactttaatcttgtgtatccgtacaaggctaa 28020 gaggcccaacatcatgccgcccttttttgaccgcaatggctttgttgaaaaccaagaagc 28080 cacgctagccatgcttgtggaaaagccgctcacgttcgacaaggaaggtgcgctgaccct 28140 gggcgtcggacgcggcatccgcattaaccccgcggggcttctggagacaaacgacctcgc 28200 gtccgctgtcttcccaccgctggcctccgatgaggccggcaacgtcacgctcaacatgtc 28260 tgacgggctatatactaaggacaacaagctagctgtcaaagtaggtcccgggctgtccct 28320 cgactccaataatgctctccaggtccacacaggcgacgggctcacggtaaccgatgacaa 28380 ggtgtctctaaatacccaagctcccctctcgaccaccagcgcgggcctctccctacttct 28440 gggtcccagcctccacttaggtgaggaggaacgactaacagtaaacaccggagcgggcct 28500 ccaaattagcaataacgctctggccgtaaaagtaggttcaggtatcaccgtagatgctca 28560 aaaccagctcgctgcatccctgggggacggtctagaaagcagagataataaaactgtcgt 28620 taaggctgggcccggacttacaataactaatcaagctcttactgttgctaccgggaacgg 28680 ccttcaggtcaacccggaagggcaactgcagctaaacattactgccggtcagggcctcaa 28740 ctttgcaaacaacagcctcgccgtggagctgggctcgggcctgcattttccccctggcca 28800 aaaccaagtaagcctttatcccggagatggaatagacatccgagataatagggtgactgt 28860 gcccgctgggccaggcctgagaatgctcaaccaccaacttgccgtagcttccggagacgg 28920 tttagaagtccacagcgacaccctccggttaaagctctcccacggcctgacatttgaaaa 28980 tggcgccgtacgagcaaaactaggaccaggacttggcacagacgactctggtcggtccgt 29040 ggttcgcacaggtcgaggacttagagttgcaaacggccaagtccagatcttcagcggaag 29100 aggcaccgccatcggcactgatagcagcctcactctcaacatccgggcgcccctacaatt 29160 ttctggacccgccttgactgctagtttgcaaggcagtggtccgattacttacaacagcaa 29220 caatggcactttcggtctctctataggccccggaatgtgggtagaccaaaacagacttca 29280 ggtaaacccaggcgctggtttagtcttccaaggaaacaaccttgtcccaaaccttgcgga 29340 tccgctggctatttccgacagcaaaattagtctcagtctcggtcccggcctgacccaagc 29400 ttccaacgccctgactttaagtttaggaaacgggcttgaattctccaatcaagccgttgc 29460 tataaaagcgggccggggcttacgctttgagtcttcctcacaagctttagagagcagcct 29520 cacagtcggaaatggcttaacgcttaccgatactgtgatccgccccaacctaggggacgg 29580 cctagaggtcagagacaataaaatcattgttaagctgggcgcgaatcttcgttttgaaaa 29640 cggagccgtaaccgccggcaccgttaacccttctgcgcccgaggcaccaccaactctcac 29700 tgcagaaccacccctccgagcctccaactcccatcttcaactgtccctatcggagggctt 29760 ggttgtgcataacaacgcccttgctctccaactgggagacggcatggaagtaaatcagca 29820 cggacttactttaagagtaggctcgggtttgcaaatgcgtgacggcattttaacagttac 29880 acccagcggcactcctattgagcccagactgactgccccactgactcagacagagaatgg 29940 aatcgggctcgctctcggcgccggcttggaattagacgagagcgcgctccaagtaaaagt 30000 tgggcccggcatgcgcctgaaccctgtagaaaagtatgtaaccctgctcctgggtcctgg 30060 ccttagttttgggcagccggccaacaggacaaattatgatgtgcgcgtttctgtggagcc 30120 ccccatggttttcggacagcgtggtcagctcacatttttagtgggtcacggactacacat 30180 tcaaaattccaaacttcagctcaatttgggacaaggcctcagaactgaccccgtcaccaa 30240 ccagctggaagtgcccctcggtcaaggtttggaaattgcagacgaatcccaggttagggt 30300 taaattgggcgatggcctgcagtttgattcacaagctcgcatcactaccgctcctaacat 30360 ggtcactgaaactctgtggaccggaacaggcagtaatgctaatgttacatggcggggcta 30420 cactgcccccggcagcaaactctttttgagtctcactcggttcagcactggtctagtttt 30480 aggaaacatgactattgacagcaatgcatcctttgggcaatacattaacgcgggacacga 30540 acagatcgaatgctttatattgttggacaatcagggtaacctaaaagaaggatctaactt 30600 gcaaggcacttgggaagtgaagaacaacccctctgcttccaaagctgcttttttgccttc 30660 caccgccctataccccatcctcaacgaaagccgagggagtcttcctggaaaaaatcttgt 30720 gggcatgcaagccatactgggaggcgggggcacttgcactgtgatagccaccctcaatgg 30780 cagacgcagcaacaactatcccgcgggccagtccataattttcgtgtggcaagaattcaa 30840 caccatagcccgccaacctctgaaccactctacacttactttttcttactggacttaaat 30900 aagttggaaataaagagttaaactgaatgtttaagtgcaacagacttttattggttttgg 30960 ctcacaacaaattacaacagcatagacaagtcataccggtcaaacaacacaggctctcga 31020 aaacgggctaaccgctccaagaatctgtcacgcagacgagcaagtcctaaatgttttttc 31080 actctcttcggggccaagttcagcatgtatcggattttctgcttacacctttttagacag 31140 cagtttacactcatttccgttaaaggattacaactgcggcatatgagaattaagtatata 31200 caactattgccctttacccacaaacactccccccacggggtgcacctgatgtagctgccc 31260 tcctcaatcatgaaagtgctattaaagtaaattaaatgaacattattcacatacacgctt 31320 cccacataggccaaaaaaacagaggacaactttgacagctcccgcctgaaataccaatac 31380 actctatcaaactgcgcaccgtgcacgcactgctttaccaggccttgaaagtaaacagcg 31440 gcggaccgacactgcaagcttctaggctttgggcagtggcagtgaatatatagccactcc 31500 tccccatgcacgtagtaggaacgccgcttcccgggaatcacaaatgacaagcagtagtca 31560 cagaggcaactagtcaagtgagcgtcctcctgaggcatgattaccttccatggaatgggc 31620 cagtgaatcatagtggcaaagccagctgcatctggagcgctgcgaaccttggctacatgt 31680 ggtgattggcgacgcagatggagacaggaccttgcattctgaagaccactgcaacagctt 31740 ctgcgtacgcttgtatttacagtacataaaaaagcacttttgccacagagcggtcttact 31800 caaccgacagcttttttctttctgacgctgccttctgctactcaggtagtacaagtccaa 31860 aagagccaaacggacactcaaatccgggttatctcgatgctgaagccagagtccaaaagt 31920 aaccacgctaaaagcctgcatccatattttgtaactgctgtaactccatcccagagccgg 31980 gcaccgcacttggtccaccatagctgcaaacaaacgggacaattaaggaaagtaaaatga 32040 gcgctgggggcggactcttctcccgttcgtaggaaacagccacgtatcaaacaccctttt 32100 caacactggctctccagccgctactcgttgaattaatttgtccctgtgctcaaacaaccc 32160 acactggtaacggtggtcgctaggcaaacatgtcaaatagcacataatcatttccttcac 32220 tttaagcaaacatcgactagcagacacttcacttaattcagcacagtcatagcaaggaat 32280 gattatacacttgtcatctaatccactgcccatgtacacattgccccaggcaaaagtggg 32340 cagggactttaagagctgattgctcgccccgacatagttggtaaaatacagcaaatgcac 32400 cttgttaacatacacactccccacatagtaaatataccgagtagacagcttagaaagctc 32460 cctccgaaaaaatgggaacatggtatcaaaggcagtgcccgcaacacacatcttgaacag 32520 atccatcaggatagtagctcgacacagcccctgcagactttggtcagcttgcttgctgca 32580 gcagtacactctccacgtagcatctccgctgatgaagtattcgctatcgcagcgaccaaa 32640 aatacagcaatcacaaggcagacgcaacagtctttcatccagactgttcatgagaggctt 32700 tagaggtatgggaaaaaatccaaagtgctcaaaataagcagcgctgggctcattctgaca 32760 ttcccccaacatgctgagtcgaaccatagcacagtcatacaaactcagctgtcggaattg 32820 atcttccatgattgagtttctactgagatattatctcaaacttaaaactgttgctcacca 32880 actctatgcgaacttgctcaagaagctcttggtttagggcgacctcttctggtcgtcgga 32940 agttactgatggaacaacaagcgccgcccaacttcaaatttccagccgacccaatccagt 33000 ggtctctcaactcacgcgcacaagctactatgcagtcctcactttcgtcaaagtcagcag 33060 cgcctatagaaatcaacacactgagtccaccatcttcagcttttaagggataacagctga 33120 tagcaaactggttctgagaccacggcaaagcacgtaggaattgctgttaagttaatttcc 33180 aaacaccgctgaagcagctctatggttgctggacatatgtcctctgcatagaagctttga 33240 acataacttaagacagggccgggcacatgaaacacaaacagagaactatacacaatctgg 33300 gccatgatcactcacatttaaatagcagctgaaaagtggctttcttcacttgggagcaaa 33360 attagcgaagactgtgccagaatgctcacgtcgaaaggcggtgggtctcgcagaggcagg 33420 ttcggagctctaattaaacacaggtgggtaatccagtcaacgatgaggaccagctgaaaa 33480 gtggctttcttcacttgggagcaaaattagcgaagactgtgccagaatgctcacgtcgaa 33540 aggcggtgggtctcgcagaggcaggttcggagctctaattaaacacaggtgggtaatcca 33600 gtcaacgatgaggacttttaaaaaactgtctaaaactgaagcagttaagttagaggcaga 33660 cacagaaaaaactacagttaaactatcagttgctgaaattgaaaagcacccaataattat 33720 gcgcgagggcacaggcaataaaagtgttagcccctcggctaacgcgtcagctaaaaaatc 33780 tttagctaaagtatctactggccgcgtggtaaaagtttgaatataatttacgacaggagc 33840 tggcaagtgaaactccacaaaaaaagtaaatggctgcacacacgccattattttgaaaat 33900 aagaagtactcacaaaatcagctggagctgccgcaagtgaaaaagaccagctgaagtctt 33960 attttaaactgtaaaatataaaaaaaaaaatagggcgtgaacaaaaatgagaaaataata 34020 ccggatatgactattaagggcgtacactgaaactgggtaatatttgagaaaaagattaag 34080 ataatagctgaacaaatgttgtgtgcagaacacggaacaatggtggcgaaaaaaaaaaac 34140 agtgtaagcacatggcgcgcacgtacttccgtgagaaaaattaaaaaaatttacccagta 34200 taaggtgcgtcattagacccgccttgtggcgcggttgtagccctgccctttgccccgccc 34260 cgcgcgccgccccgcgcgccgcccccgccgccctcagccccgcccagcgccgccgcctcc 34320 gcgacgcgctccgccccacagttacgtcagcacgccacgctcgccgtcgttgcgtcataa 34380 atgacgtggcaaaaatgattggcagttggaccgctgccatcagtgtactgtagattattg 34440 atgatg 34446 BovineAdenoviruspVaminoacidsequence (SEQIDNO:2) MASSRLIKEEMLDIVAPETYKRKRPRRERAAPYAVKQEEKPLVKAERKIKRGSRKRALSGVDVPLPDDGFEDDEPHI EFVSAPRRPYQWKGRRVRRVLRPGVAVSFTPGARSLRPSSKRVYDEVYADDDFLEAAAAREGEFAYGKRGREAAQAQ LLPAVAVPEPTYVVLDESNPTPSYKPVTEQKVILSRKRGVGKVEPTIQVLASKKRRMAENEDDRGAGSVAEVQMREV KPVTAALGIQTVDVSVPDHSTPMEVVQSLSRAAQVAQRLTQQQVRPSAKIKVEAMDLSAPVDAKPLDLKPVDVKPTP TFVLPSERSLSTQTDSLPAAVVVPRKPRVHRATRRTARGLLPYYRLHPSITPTPGYRGSVYTSSGVRLPAVRRRRRR RTRRATPRLSAAAAAALLPGVRYHPSIRQAATVTRLRR V.m1.2m3d3aminoacidsequence (SEQIDNO:15) MASSRLIKEEMLDIVAPEIYAGAAAPAAAAAPYAVKQEEKPLVKAERKIKRGSRKRALSGVDVPLPDDGFEDDEPHI EFVSAPRRPYQWKGRRVRRVLRPGVAVSFTPGARSLRPSSKRVYDEVYADDDFLEAAAAREGEFAYGKRGREAAQAQ LLPAVAVPEPTYVVLDESNPTPSYKPVTEQKVILSRKRGVGKVEPTIQVLASKKRRMAENEDDRGAGSVAEVQMREV KPVTAALGIQTVDVSVPDHSTPMEVVQSLSRAAQVAQRLTQQQVRPSAKIKVEAMDLSAPVDAKPLDLKPVDVKPTP TFVLPSERSLSTQTDSLPAAVVVPRKPRVHRATRRTARGLLPYYRLHPSITPTPGYRGSVYTSSGVRLPAVATPRLS AAAAAALLPGVRYHPSIRQAATVTRLRR