FIELD: biotechnology, in particular provision storage.
SUBSTANCE: bacteriocin represents polypeptide isolated from lactobacillus sakei 2512 and is capable to suppress lysteria growth and reproducing. Bactericin has specific amino acid sequence represented in claims. Nuclear acid sequence encoding said polypeptide is disclosed. Also disclosed is a vector including nuclear acid sequence for cloning and/or expression of polypeptide, for example in transformed cells, selected from Lactococcus, Lactobacillus, etc. Method for production of recombinant polypeptide is developed. Claimed bactericin or strain 2512 are used as component of bactericide composition, being capable to suppress growth of gram positive pathogenic bacteria, in particular Listeria monocytogenes.
EFFECT: large scale application of bacteriocin against pathogenic or undesired flora in food industry.
13 cl, 2 dwg, 1 tbl, 3 ex
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