Expression of nrdA and nrdB genes of Escherichia coli is decreased under anaerobiosis

Cristina Casado; Montserrat Llagostera; Jordi Barbé

doi:10.1111/j.1574-6968.1991.tb04432.x-i1

Expression of nrdA and nrdB genes of Escherichia coli is decreased under anaerobiosis

Cristina Casado, Montserrat Llagostera, Jordi Barbé

Department of Genetics and Microbiology

Research output: Contribution to journal › Article › Research › peer-review

12 Citations (Scopus)

Abstract

By using plasmid nrdA-lacZ, nrdAB-lacZ, and nrdB-lacZ gene fusions, the expression of nrdA and nrdB genes of Escherichia coli under anaerobiosis has been studied. The results obtained show that cells of E. coli growing under either fermentative or nitrate respiring conditions present a lower basal level of both nrdA and nrdB genes transcription from the nrdPA promoter. On the other hand, transcription of the nrdB gene from the internal nrdPB promoter was not affected by the absence of oxygen. Moreover, the DNA damage-mediated inducing factor of these nrd genes was the same in both aerobic and anaerobic cultures. © 1991.

Original language	English
Pages (from-to)	153-157
Journal	FEMS Microbiology Letters
Volume	83
Issue number	2
DOIs	https://doi.org/10.1111/j.1574-6968.1991.tb04432.x-i1
Publication status	Published - 1 Oct 1991

Keywords

Anaerobiosis
Escherichia coli
nrdA and nrdB Genes

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title = "Expression of nrdA and nrdB genes of Escherichia coli is decreased under anaerobiosis",

abstract = "By using plasmid nrdA-lacZ, nrdAB-lacZ, and nrdB-lacZ gene fusions, the expression of nrdA and nrdB genes of Escherichia coli under anaerobiosis has been studied. The results obtained show that cells of E. coli growing under either fermentative or nitrate respiring conditions present a lower basal level of both nrdA and nrdB genes transcription from the nrdPA promoter. On the other hand, transcription of the nrdB gene from the internal nrdPB promoter was not affected by the absence of oxygen. Moreover, the DNA damage-mediated inducing factor of these nrd genes was the same in both aerobic and anaerobic cultures. {\textcopyright} 1991.",

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T1 - Expression of nrdA and nrdB genes of Escherichia coli is decreased under anaerobiosis

AU - Casado, Cristina

AU - Llagostera, Montserrat

AU - Barbé, Jordi

PY - 1991/10/1

Y1 - 1991/10/1

N2 - By using plasmid nrdA-lacZ, nrdAB-lacZ, and nrdB-lacZ gene fusions, the expression of nrdA and nrdB genes of Escherichia coli under anaerobiosis has been studied. The results obtained show that cells of E. coli growing under either fermentative or nitrate respiring conditions present a lower basal level of both nrdA and nrdB genes transcription from the nrdPA promoter. On the other hand, transcription of the nrdB gene from the internal nrdPB promoter was not affected by the absence of oxygen. Moreover, the DNA damage-mediated inducing factor of these nrd genes was the same in both aerobic and anaerobic cultures. © 1991.

AB - By using plasmid nrdA-lacZ, nrdAB-lacZ, and nrdB-lacZ gene fusions, the expression of nrdA and nrdB genes of Escherichia coli under anaerobiosis has been studied. The results obtained show that cells of E. coli growing under either fermentative or nitrate respiring conditions present a lower basal level of both nrdA and nrdB genes transcription from the nrdPA promoter. On the other hand, transcription of the nrdB gene from the internal nrdPB promoter was not affected by the absence of oxygen. Moreover, the DNA damage-mediated inducing factor of these nrd genes was the same in both aerobic and anaerobic cultures. © 1991.

KW - Anaerobiosis

KW - Escherichia coli

KW - nrdA and nrdB Genes

U2 - 10.1111/j.1574-6968.1991.tb04432.x-i1

DO - 10.1111/j.1574-6968.1991.tb04432.x-i1

M3 - Article

VL - 83

SP - 153

EP - 157

IS - 2

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