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[Regulation of riboflavin biosynthesis in Salmonella typhimurium].

作者信息

Wang A Q

机构信息

Institute of Microbiology, Academia Sinica, Beijing.

出版信息

Wei Sheng Wu Xue Bao. 1991 Aug;31(4):315-7.

PMID:1949759
Abstract

7 independent rib genes fusions with MudJ (lacZ, Kanr) were isolated by transposon MudJ mutagenesis in Salmonella typhimurium. 5 of them are blue on the X-gal plate, and the beta-galactosidase activity of the cells grown in E medium containing various concentration of riboflavin were assayed. The results showed that the expression of rib gene are not repressed by riboflavin. It appears to be synthesized constitutively in Salmonella typhimurium.

摘要

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