Open AccessThermosensing Function of theEscherichia coliRedox Sensor Aer
Author(s) -
So-ichiro Nishiyama,
Shinji Ohno,
Noriko Ohta,
Yuichi Inoue,
Hajime Fukuoka,
Akihiko Ishijima,
Ikuro Kawagishi
Publication year - 2010
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.01219-09
Subject(s) - periplasmic space , biology , escherichia coli , chemoreceptor , transmembrane protein , transmembrane domain , function (biology) , cytoplasm , escherichia coli proteins , conserved sequence , pas domain , microbiology and biotechnology , biochemistry , biophysics , peptide sequence , receptor , gene , transcription factor
Escherichia coli chemoreceptors can sense changes in temperature for thermotaxis. Here we found that the aerotaxis transducer Aer, a homolog of chemoreceptors lacking a periplasmic domain, mediates thermoresponses. We propose that thermosensing by the chemoreceptors is a general attribute of their highly conserved cytoplasmic domain (or their less conserved transmembrane domain).
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