YhbO Protects Cells against Multiple Stresses
Author(s) -
Jad Abdallah,
Teresa Caldas,
Fatoum Kthiri,
Renée Kern,
Gilbert Richarme
Publication year - 2007
Publication title -
journal of bacteriology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.652
H-Index - 246
eISSN - 1067-8832
pISSN - 0021-9193
DOI - 10.1128/jb.01208-07
Subject(s) - biology , escherichia coli , mutant , cysteine , oxidative stress , microbiology and biotechnology , biochemistry , genetics , gene , enzyme
YhbO is a member of the DJ-1/ThiJ/Pfp1 superfamily, which includes chaperones, peptidases, and the Parkinson's disease protein DJ-1. A yhbO-disrupted mutant of Escherichia coli is highly sensitive to oxidative, thermal, UV, and pH stresses, and the putative nucleophilic cysteine C104 of YhbO is required for stress resistance. These results suggest that YhbO affects a central process in stress management.
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