Effects of ISSo2 insertions in structural and regulatory genes of the trimethylamine oxide reductase of Shewanella oneidensis

被引：28

作者：

Bordi, C ^{[1
]}

Iobbi-Nivol, C ^{[1
]}

Méjean, V ^{[1
]}

Patte, JC ^{[1
]}

机构：

[1] CNRS, Inst Biol Struct & Microbiol, Chim Bacterienne Lab, F-13402 Marseille 20, France

来源：

JOURNAL OF BACTERIOLOGY | 2003年 / 185卷 / 06期

关键词：

D O I：

10.1128/JB.185.6.2042-2045.2003

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

We have isolated three Shewanella oneidensis mutants specifically impaired in trimethylamine oxide (TMAO) respiration. The mutations arose from insertions of an ISSo2 element into torA, torR, and torS, encoding, respectively, the TMAO reductase TorA, the response regulator TorR, and the sensor TorS. Although TorA is not the sole enzyme reducing TMAO in S. oneidensis, growth analysis showed that it is the main respiratory TMAO reductase. Use of a plasmid-borne torE'-lacZ fusion confirmed that the TorS-TorR phosphorelay mediates TNMO induction of the torECAD operon.

引用

页码：2042 / 2045

页数：4

共 27 条

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