The present invention relates to a Myoviridae bacteriophage Lac-GAP-1 that is isolated from the nature and can kill specifically Lactococcus garvieae cells, which has a genome represented by the nucleotide sequence of SEQ. ID. NO: 1 (Accession NO: KCTC 12686BP), and a method for preventing and treating the infections of Lactococcus garvieae using the composition comprising said bacteriophage as an active ingredient.

The present invention relates to bacteriophage therapy. More particularly, the present invention relates to novel bacteriophages having a high specificity against Staphylococcus aureus strains, their manufacture, components thereof, compositions comprising the same and the uses thereof in phage therapy and as companion diagnostic.

An object of the present invention is to establish means for providing a component vaccine which can elicit immunity to a non-structural protein. The present inventors have found that the object can be attained by providing a component vaccine containing an associated product containing a trimer and/or a hexamer of a molecular needle to which a non-structural protein of a pathogenic virus is attached.

A composition for preventing or treating an infection or disease caused by a pathogenic Escherichia coli includes a Myoviridae bacteriophage having an ability to lyse the pathogenic Escherichia coli and a pharmaceutically acceptable carrier. A method for preventing or treating an infection or disease caused by a pathogenic Escherichia coli includes administering to a subject a Myoviridae bacteriophage and lysing the pathogenic Escherichia coli by the Myoviridae bacteriophage.

The present invention relates to compositions comprising and methods of producing genetically engineered bacteriophages, bacteriophage-like particles and non-replicating transduction particles (NRTPs) that contain non-native tail fibers that display altered host specificity and/or reactivity. The present invention also relates to methods of using these bacteriophages and NRTPs for the development of novel diagnostics, therapeutics and/or research reagents for bacteria-related diseases.

Provided herein are lasso peptides libraries, and particularly phage display libraries of lasso peptides. Also provided herein are related methods and systems for producing the libraries and for screening the libraries to identify candidate lasso peptides having desirable properties.

The present invention relates to a Myoviridae bacteriophage Esc-CHP-2 that is isolated from the nature and can kill specifically enteropathogenic E. coli strains, which has a genome represented by the nucleotide sequence of SEQ. ID. NO: 1 (Accession NO: KCTC 12661BP), and a method for preventing and treating the infections of enteropathogenic E. coli using the composition comprising said bacteriophage as an active ingredient.

The present invention relates to a Myoviridae bacteriophage Clo-PEP-1 that is isolated from the nature and can kill Clostridium perfringens cells specifically, which has the genome represented by nucleotide sequence of SEQ. ID. NO: 1 (Accession NO: KCTC 12664BP), and a method for preventing and treating the infections of Clostridium perfringens cells using the composition comprising said bacteriophage as an active ingredient.

The invention relates to the improvement of endonuclease-based antimicrobials by blocking DNA repair of double-strand break(s) (DSB(s)) in prokaryotic cells. In this respect, the invention especially concerns a method involving blocking DNA repair after a nucleic acid has been submitted to DSB, in particular by a Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR) associated programmable double-strand endonuclease. The invention particularly relates to the use of an exogenous molecule that inhibits DNA repair, preferably a protein that binds to the ends of the double-stranded break to block DSB repair. The invention also relates to vectors, particularly phagemids and plasmids, comprising nucleic acids encoding nucleases and Gam proteins, and a pharmaceutical composition and a product containing these vectors and their application.

Bacteriophages are provided that infect strains of Enterococcus faecalis, an opportunistic bacterial pathogen that causes human disease. Also provided are methods of treating Enterococcus faecalis by therapeutic administration of such bacteriophages.