STRAIN OF MICROORGANISM ESCHERICHIA COLI USED IN PRODUCING PROBIOTIC MICROCICOL B 5/98 Russian patent published in 2006 - IPC C12N1/20 A61K35/74 C12R1/19 

FIELD: biotechnology, microbiology.

SUBSTANCE: invention proposes the strain Escherichia coli S5/98 producing microcine B 5/98 showing the broad spectrum of antagonistic activity against microorganisms of genus Escherichia, Salmonella and Klebsiella that is isolated from adult pig feces. The strain inhibits 69-99% of escherichia and 42.6-80% of salmonella of wild type and shows activity against colicinogenic strains of intestinal bacillus and 10 different species of salmonella. The strain has no pathogenicity and doesn't elicit toxic, toxigenic and allergic properties. The strain is deposited in All-Russian collection of industrial microorganisms at № B-8564. The strain is used in preparing probiotic microcicol B 5/98 in liquid and dry formulation. Using the invention shows regulatory effect on intestine microflora and enhances nonspecific resistance of animals.

EFFECT: valuable properties of strain and probiotic.

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