Induction of YdeO, a Regulator for Acid Resistance Genes, by Ultraviolet Irradiation in Escherichia coli

Yuki YAMANAKA; Akira ISHIHAMA; Kaneyoshi YAMAMOTO

doi:10.1271/bbb.120041

Biochemistry & Molecular Biology Notes

Induction of YdeO, a Regulator for Acid Resistance Genes, by Ultraviolet Irradiation in Escherichia coli

Yuki YAMANAKA, Akira ISHIHAMA, Kaneyoshi YAMAMOTO

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Keywords: Escherichia coli, ydeO, acid resistance, UV irradiation, transcription regulation

JOURNAL FREE ACCESS

2012 Volume 76 Issue 6 Pages 1236-1238

DOI https://doi.org/10.1271/bbb.120041

View "Advance Publication" version (June 7, 2012).

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Abstract

YdeO, an AraC-type transcription factor, is an important regulator in the induction of acid-resistance genes in Escherichia coli. In this study, we found that ydeO expression was induced 20 min after exposure to UV irradiation. This required the evgA and gadE genes in vivo. YdeO, induced by UV, controls the expression of a total of 21 genes. This accompanies SOS response in E. coli.

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