RpoS-Dependent Expression of the Second Lysine Decarboxylase Gene inEscherichia coli | Zendy

Yoshimi Kikuchi | Zendy; Osamu Kurahashi | Zendy; T Nagano | Zendy; Yoshiyuki Kamio | Zendy

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RpoS-Dependent Expression of the Second Lysine Decarboxylase Gene inEscherichia coli

Author(s) -

Yoshimi Kikuchi,

Osamu Kurahashi,

T Nagano,

Yoshiyuki Kamio

Publication year - 1998

Publication title -

bioscience biotechnology and biochemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.509

H-Index - 116

eISSN - 1347-6947

pISSN - 0916-8451

DOI - 10.1271/bbb.62.1267

Subject(s) - rpos , escherichia coli , mutant , lysine decarboxylase , gene , biology , gene expression , microbiology and biotechnology , genetics , biochemistry , enzyme , promoter , putrescine , cadaverine

The second lysine decarboxylase gene (ldc) is at 4.7 min on the Escherichia coli chromosome [Kikuchi et al., J. Baceriol. 179, 4486-4492 (1997)]. This report showes that the expression of ldc as well as cadA was induced at stationary phase in the wild type of E. coli. The ldc was not expressed in a rpoS deletion mutant of E. coli at any growing stage. In contrast, cadA was expressed in the rpoS mutant. Thus, we conclude that the expression of ldc but not cadA at stationary phase is regulated by a RpoS-dependent mechanism (s) in E. coli.

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