SigmaE is an essential sigma factor in Escherichia coli-Reference-Cited by-同舟云学术

SigmaE is an essential sigma factor in Escherichia coli

Published:1997-11 Issue:21 Volume:179 Page:6862-6864
ISSN:0021-9193
Container-title:Journal of Bacteriology
language:en
Short-container-title:J Bacteriol

Author:

De Las Peñas A¹,Connolly L¹,Gross C A¹

Affiliation:

1. Department of Bacteriology, University of Wisconsin-Madison, 53706, USA.

Abstract

SigmaE is an alternative sigma factor that controls the extracytoplasmic stress response in Escherichia coli. SigmaE is essential at high temperatures but was previously thought to be nonessential at temperatures below 37 degrees C. We present evidence that sigmaE is an essential sigma factor at all temperatures. Cells lacking sigmaE are able to grow at low temperatures because of the presence of a frequently arising, unlinked suppressor mutation.

Publisher

American Society for Microbiology

Subject

Molecular Biology,Microbiology

Link

https://journals.asm.org/doi/pdf/10.1128/jb.179.21.6862-6864.1997

Reference18 articles.

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3. The ~E-mediated response to extracytoplasmic stress in Escherichia coli is transduced by RseA and RseB, two negative regulators of ~E;De Las Peas A.;Mol. Microbiol.,1997

4. Identification of the ~E subunit of Escherichia coli RNA polymerase: a second alternate sigma factor involved in high-temperature gene expression;Erickson J. W.;Genes Dev.,1989

5. Regulation of the promoters and transcripts of rpoH, the Escherichia coli heat shock regulatory gene;Erickson J. W.;Genes Dev.,1987

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