Disclosed herein are proteins capable of forming glucans having alpha-1,2 linkages/branches, reactions and methods for producing such glucan, compositions comprising such glucan, and various applications thereof.

The present application relates to the use of pertussis toxin, and its derivatives, analogs, salts and pharmaceutical equivalents. In one embodiment, the invention provides a method of treating or preventing a neurological disease or injury by administering pertussis toxin to the individual.

Recombinant polypeptides having UDP-glycosyltransferase activities, including a 1,2-19-O-glucos glycosylation activity and a 1,2-13-O-glucos glycosylation activity for synthesizing of steviol glucosides, are provided. A method of producing a steviol glycoside composition using such recombinant polypeptide is also provided. Also disclosed are steviol glycosides referred to as rebaudioside Z1 and rebaudioside Z2.

The present invention relates to novel glycosyl transferases from Vitis vinifera that are capable of catalyzing the formation of certain glycosides with high efficiency, to nucleic acid molecules encoding such glycosyl transferases, to vectors, host cells and transgenic plants comprising nucleic acid sequences coding for such glycosyl transferases, and to methods for preparing and uses of such glycosyl transferases.

Isolated and/or purified polypeptides and nucleic acid sequences encoding polypeptides from Alicyclobacillus acidocaldarius are provided. Further provided are methods for glycosylating and/or post-translationally modifying proteins using isolated and/or purified polypeptides and nucleic acid sequences from Alicyclobacillus acidocaldarius.

Recombinant polypeptides having UDP-glycosyltransferase activities, including a 1,2-19-O-glucose glycosylation activity and a 1,2-13-O-glucose glycosylation activity for synthesizing of steviol glucosides, are provided. A method of producing a steviol glycoside composition using such recombinant polypeptide is also provided. Also disclosed are steviol glycosides referred to as rebaudioside Z1 and rebaudioside Z2.

Provided is a polynucleotide for encoding a protein that exhibits activity for transferring a sugar to a hydroxyl group at position 7 of a flavone, particularly flavone 4-glucoside. A polynucleotide selected from the group consisting of: (a) polynucleotides comprising a base sequence of SEQ ID NO.: 1 or SEQ ID NO.: 5; (b) polynucleotides that hybridize, under stringent conditions, with polynucleotides comprising a base sequence complementary to a base sequence of SEQ ID NO.: 1 or SEQ ID NO.: 5, wherein the polynucleotides encode a protein that exhibits activity for transferring a sugar to a hydroxyl group at position 7 of a flavone; (c) polynucleotides for encoding proteins comprising an amino acid sequence of SEQ ID NO.: 2 or SEQ ID NO.: 6; (d) polynucleotides for encoding proteins comprising an amino acid sequence in which one or more amino acids have been deleted, substituted, inserted, and/or added in an amino acid sequence of SEQ ID NO.: 2 or SEQ ID NO.: 6, the polynucleotides exhibiting activity for transferring a sugar to a hydroxyl group at position 7 of a flavone; and the like.

The present invention relates to the isolation and purification of sialylated oligosaccharides from an aqueous medium in which they are produced.

The invention relates to a biocatalyst for organic synthesis, comprising a controlled porosity silica (CPS) as support material, wherein the pore diameter is between about 20 and about 100 nm, said support material comprising an amino-functionalized surface; and one or more catalytically active enzyme(s) immobilized on the support material. The invention also relates to uses of such biocatalysts and methods of manufacture thereof.

An enzymatically produced soluble -glucan fiber composition is provided suitable for use as a digestion resistant fiber in food and feed applications. The soluble -glucan fiber composition can be blended with one or more additional food ingredients to produce fiber-containing compositions. Methods for the production and use of compositions comprising the soluble -glucan fiber are also provided.