Characterization of the RcsC→YojN→RcsB Phosphorelay Signaling Pathway Involved in Capsular Synthesis in Escherichia coli(Biochemistry & Molecular Biology)

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概要

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• Escherichia coli and other enteric microorganisms produce an extracellular polysaccharide capsule, called colanic acid, under certain environmental conditions. This capsular synthesis is regulated by the RcsC (sensor kinase)→YojN (phosphotransfer intermediate)→RcsB (response regulator) phosphorelay signal transduction under certain growth conditions. Nonetheless, little is known about signals that exaggerate the Rec-system. To gain insight into signals that activate the Res-system, here we searched for genes that activate the Rec-system, provided that those on a multicopy plasmid were introduced into E. coli. We identified several such genes, namely, rcsB, rcsA, djlA, lolA, and ompG. The DjlA, LolA, and OmpG proteins are particularly interesting in that they are all located on the cell surface, where the primary sensor RcsC histidine-kinase is localized. Implications of these findings are discussed with special reference to the mechanism by which RcsC perceives external signals.

• 社団法人日本農芸化学会の論文
• 2001-10-23

著者

• Yamada Hideyuki

  SEIREN CO. LTD.

• YAMASHINO Takafumi

  Laboratory of Molecular Microbiology, School of Agriculture, Nagoya University

• MIZUNO Takeshi

  Laboratory of Molecular Microbiology, School of Agriculture, Nagoya University

• YAMADA Hisami

  Laboratory of Molecular Microbiology, School of Agriculture, Nagoya University

• Ishii Yuko

  Laboratory Of Molecular Microbiology School Of Agriculture Nagoya University

• Yamada Hidenori

  Department Of Bioengineering Science Faculty Of Engineering Okayama University

• Yamada Hisami

  Laboratory Of Microbiology School Of Agriculture Nagoya University

• TAKEDA Shin-ichiro

  Laboratory of Molecular Microbiology, School of Agriculture, Nagoya University

• Takeda Shin-ichiro

  Laboratory Of Molecular Microbiology School Of Agriculture Nagoya University

• Yamada Hisami

  Laboratory Of Molecular Microbiology School Of Agriculture Nagoya University

• CHEN Mian

  Laboratory of Molecular Microbiology, School of Agriculture, Nagoya University

• Chen Mian

  Laboratory Of Molecular Microbiology School Of Agriculture Nagoya University

• Yamashino Takafumi

  Laboratory Of Molecular Microbiology School Of Agriculture Nagoya University

• Mizuno Takeshi

  Laboratory Of Microbiology School Of Agriculture Nagoya University

• YAMASHINO Takafumi

  Laboratory of Molecular and Functional Cenomics, School of Agriculture, Nagoya University

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