EXPRESSION OF THE NIR AND NOR GENES FOR DENITRIFICATION OF PSEUDOMONAS-AERUGINOSA REQUIRES A NOVEL CRP/FNR-RELATED TRANSCRIPTIONAL REGULATOR, DNR, IN ADDITION TO ANR

被引：112

作者：

ARAI, H ^{[1
]}

IGARASHI, Y ^{[1
]}

KODAMA, T ^{[1
]}

机构：

[1] UNIV TOKYO,DEPT BIOTECHNOL,BUNKYO KU,TOKYO 113,JAPAN

来源：

FEBS LETTERS | 1995年 / 371卷 / 01期

关键词：

DENITRIFICATION; NITRITE REDUCTASE; NITRIC OXIDE REDUCTASE; FNR; ANR; PSEUDOMONAS AERUGINOSA;

D O I：

10.1016/0014-5793(95)00885-D

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：

A gene, designated dnr, was identified in the vicinity of the structural genes for nitrite reductase (nirS) and nitric oxide reductase (norCB), and the gene for activation of the reductases (nirQ) from Pseudomonas aeruginosa. It encodes a protein of 227 amino acids homologous with the CRP/FNR-family transcriptional regulators. Promoter activities for nirS, nirQ and norCB were considerably reduced in the dnr mutant as well as in the mutant of anr, the other fnr-like regulatory gene from P. aeruginosa, This is the first finding that two CRP/FNR-related regulators are involved in denitrification in one strain.

引用

页码：73 / 76

页数：4

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