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J Bacteriol. 1992 January; 174(2): 630-632

research-article

Sensitization of Escherichia coli cells to oxidative stress by deletion of the rpoH gene, which encodes the heat shock sigma factor.

T Kogoma and T Yura

Institute for Virus Research, Kyoto University, Japan.

ABSTRACT

A deletion in the rpoH gene greatly increased the sensitivity of Escherichia coli sodA sodB mutants to oxidative stress. The effect of the rpoH deletion on sodA+ sodB+ cells was only marginal. Mutations in heat shock genes singly sensitized sodA sodB double mutant cells to plumbagin. sodA sodB double mutants were neither more sensitive nor more resistant to thermal stress than the wild type.

J Bacteriol. 1992 January; 174(2): 630-632




This article has been cited by other articles:

  • Tse-Dinh, Y.-C. (2000). Increased Sensitivity to Oxidative Challenges Associated with topA Deletion in Escherichia coli. J. Bacteriol. 182: 829-832 [Abstract] [Full Text]  


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