METHOD FOR DETECTING ANTAGONISTIC PROPERTIES WITH RESPECT TO PATHOGENIC MYCOBACTERIUM IN LACTIC ACID MICROORGANISMS AND MICROORGANISMS OF ESCHERICHIA COLI GROUP Russian patent published in 2008 - IPC C12Q1/08 C12N1/20 C12R1/32 

FIELD: microbiology.

SUBSTANCE: method involves culturing an indicator strain on solid nutrient medium and the following estimation of antagonistic activity. Analyzed strain is cultured in combination with mycobacterial strain on Soton's medium followed by preparing the cultural fluid sterile filtrate. Filtrated is stratified on the solid nutrient medium surface before seeding an indicator strain. Antagonistic activity is evaluated by the ratio of amount of indicator strain colonies on solid nutrient medium to the amount of indicator strain colonies on solid nutrient medium with a stratified sterile filtrate of cultural fluid after their culturing analyzed and mycobacterial strains. Method provides detecting antagonistic properties with respect to pathogenic microorganisms in lactic acid microorganisms and microorganisms of Escherichia coli group.

EFFECT: improved detecting method.

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