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Physiological and nutritional factors affecting biosynthesis of extracellular protease by Streptomyces spp. G157.

作者信息

Sampath P, Chandrakasan G

机构信息

Department of Biochemistry Central Leather Research Institute, Adyar, Chennai, India.

出版信息

New Microbiol. 1998 Jan;21(1):55-63.

PMID:9497930
Abstract

The aim of the present study was to evaluate the effect of culture conditions on extracellular protease biosynthesis by Streptomyces spp. G157. It was found that there was optimum expression of extracellular proteases in a medium of soyabean meal (2%), mannitol (2%) at a pH of 7.2 and temperature of 28 degrees C. Among the sugars glucose and starch had a greater repressive effect than the others. Phosphate was found to have an inhibitory effect on protease biosynthesis.

摘要

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