Streptomyces spheroides mutant deprepressed for exoprotease biosynthesis
1986
: The effect of carbon, nitrogen and sulfur sources on the biosynthesis of exoproteases was studied with the parent Streptomyces spheroides strain 35 and its mutant M8-2. Addition of a carbon, nitrogen and sulfur source to the medium deficient in one of these elements did not repress the synthesis of exoproteases by the washed mycelium of the mutant as compared to the parent strain. Protein as a sole source of carbon, nitrogen and sulfur had no effect on the biosynthesis of exoproteases by the mutant. In contrast to the parent strain, the biosynthesis of exoproteases in the mutant was not controlled by metabolite repression.
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