[Genetic instability of the feature of streptomycin resistance in Streptomyces erythraeus].

Abstract

The feature of streptomycin resistance in S. erythraeus, a culture producing erythromycin, is genetically unstable. Mutants sensitive to 0.03 mg/ml of streptomycin are formed in the initial streptomycin resistant strains at a rate of 0.04 per cent. It was shown possible to perform step-by-step selection for increasing streptomycin resistance (from 0.2 to 15… (More)

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