The role of the nirQOP genes in energy conservation during anaerobic growth of Pseudomonas aeruginosa

被引：15

作者：

Arai, H

Kodama, T

Igarashi, Y

机构：

[1] Univ Tokyo, Dept Biotechnol, Bunkyo Ku, Tokyo 1138657, Japan

[2] RIKEN, Inst Phys & Chem Res, Wako, Saitama 3510198, Japan

[3] Shinshu Univ, Fac Text Sci & Technol, Ueda, Nagano 3860018, Japan

来源：

BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY | 1998年 / 62卷 / 10期

关键词：

denitrification; cytochrome oxidase; anaerobic; respiration; nitric oxide;

D O I：

10.1271/bbb.62.1995

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

The nirQOP operon, which is located between the genes for nitrite reductase and nitric oxide reductase in Pseudo-monas aeruginosa, encodes a putative ATP-binding protein and two putative transmembrane proteins. Phylogenetic analysis showed that NirO belongs to the family of subunit III of cytochrome oxidases but is distantly related to the other bacterial or mitochondrial proteins. P. aeruginosa strains that lacked the nirOP genes had all enzyme activities for denitrification and could grow under anaerobic conditions with nitrate or nitrite as an electron acceptor. However, the energy conservation efficiency of anaerobic respiration was lower in these strains than in strains harboring the nirOP gene.

引用

页码：1995 / 1999

页数：5

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