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J Bacteriol. 2005 Feb;187(4):1533-5.

Expression of Pseudomonas aeruginosa aer-2, one of two aerotaxis transducer genes, is controlled by RpoS.

Author information

  • 1Department of Molecular Biotechnology, Graduate School of Advanced Sciences of Matter, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8530, Japan.


Pseudomonas aeruginosa possesses two aerotaxis transducers, Aer and Aer-2. A deletion-insertion mutation of alternative sigma factor RpoS eliminated Aer-2-mediated aerotaxis but not Aer-mediated aerotaxis. Transcriptional analysis revealed that cheY2, cheA2, cheW2, and aer-2 were expressed in an RpoS-dependent manner as a single transcript.

[PubMed - indexed for MEDLINE]
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