Anaerobic Regulation of Citrate Fermentation by CitAB inEscherichia coli
Author(s) -
Kaneyoshi Yamamoto,
Fumika MATSUMOTO,
Taku Oshima,
Nobuyuki Fujita,
Naotake Ogasawara,
Akira Ishihama
Publication year - 2008
Publication title -
bioscience biotechnology and biochemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.509
H-Index - 116
eISSN - 1347-6947
pISSN - 0916-8451
DOI - 10.1271/bbb.80301
Subject(s) - escherichia coli , fermentation , anaerobic exercise , gene , transcription (linguistics) , regulator , biology , chemistry , biochemistry , physiology , linguistics , philosophy
In Escherichia coli, CitB, a cognate response regulator of CitA, specifically bound to the promoter regions for mdh, citA, citC, and exuT. Transcription of these genes was induced by citrate under anaerobic conditions in a CitAB-dependent manner. Taking this together, we conclude that CitAB is the master regulatory system that activates the set of genes involved in citrate fermentation in E. coli.
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