FIELD: microbiological industry. SUBSTANCE: strain Streptomyces avermitilis ВНИИСХМ-54 is obtained by natural selection from the population of strain Streptomyces avermitilis-51. Strain N 54 produces two-fold more avermectines as compared with the known strain. Percent content of the most active substance avermectine B1a is above 35%. Strain Streptomyces avermitilis ВНИИСХМ-54 is deposited in Collection of microorganism ВНИИ agriculture microbiology (Sanct-Petersburgh) at number Streptomyces avermitilis ВНИИСХМ-54. EFFECT: isolation of strain indicated above. 2 tbl
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Authors
Dates
1996-02-20—Published
1993-12-28—Filed