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Expression of Escherichia coli DcuS-R Two-Component Regulatory System is Regulated by the Secondary Internal Promoter Which is Activated by CRP-cAMP
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HOME > J. Microbiol > Volume 45(3); 2007 > Article
Research Support, Non-U.S. Gov't
Expression of Escherichia coli DcuS-R Two-Component Regulatory System is Regulated by the Secondary Internal Promoter Which is Activated by CRP-cAMP
Tomoya Oyamada 1, Katsushi Yokoyama 2,3, Michiko Morinaga 1, Masashi Suzuki 2, Kozo Makino 1
Journal of Microbiology 2007;45(3):234-240
DOI: https://doi.org/2537 [pii]
1Department of Applied Chemistry, National Defense Academy of Japan, Yokosuka, Japan, 2National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan, 3Japan Science and Technology Agency (JST), Core Research for Evolutionary Science and Technology (CREST), Kawaguchi, Japan1Department of Applied Chemistry, National Defense Academy of Japan, Yokosuka, Japan, 2National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan, 3Japan Science and Technology Agency (JST), Core Research for Evolutionary Science and Technology (CREST), Kawaguchi, Japan
Corresponding author:  Kozo Makino , Tel: 81-468-41-3810, 
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Abstract

The DcuS-R two-component system of Escherichia coli senses C4-dicarboxylates of the medium and regulates expression of the genes related to utilization of them. It is known that phospho-DcuR induces expression of genes such as the dcuB-fumB operon, the frdABCD operon, and the dctA gene. We analyzed promoters of the dcuS-R operon to elucidate the transcriptional regulation system. We found a novel internal promoter within the dcuS gene that is regulated by the transcriptional regulator, CRP-cAMP, in both aerobic and anaerobic conditions.

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    Expression of Escherichia coli DcuS-R Two-Component Regulatory System is Regulated by the Secondary Internal Promoter Which is Activated by CRP-cAMP
    J. Microbiol. 2007;45(3):234-240.
    DOI: https://doi.org/2537 [pii]
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