1981•Journal of the Japanese Society of Starch ScienceOpen access

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Ryu Shinke, Hiroshi Nishira

Abstract

A rifampin-resistant, asporogenous mutant, BQ10-S1 Spo-, having highly potent β-amylase productivity was isolated from Bacillus cereus BQ10-S1. A sporogenous revertant, BQ10-S1 Spo+, was also obtained from BQ10-S1 Spo-. Bacteriological characteristics of these mutants and their ways of β-amylase production were compared. The relationship between high β-amylase productivity and sporulation of rifampin-resistance was discussed.

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Key concepts: Mutant, Amylase, Bacillus cereus, Productivity, Spore, Microbiology, Biology, Genetics