Microbes and Environments
Online ISSN : 1347-4405
Print ISSN : 1342-6311
ISSN-L : 1342-6311
Short Communications
The Role of cheA Genes in Swarming and Swimming Motility of Pseudomonas pseudoalcaligenes KF707
Stefano FediTania Triscari BarberiMaria Rosaria NappiFederica SandriSean BoothRaymond J. TurnerMarcella AttimonelliMartina CappellettiDavide Zannoni
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Supplementary material

2016 Volume 31 Issue 2 Pages 169-172

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Abstract

A genome analysis of Pseudomonas pseudoalcaligenes KF707, a PCBs degrader and metal-resistant soil microorganism, revealed the presence of two novel gene clusters named che2 and che3, which were predicted to be involved in chemotaxis-like pathways, in addition to a che1 gene cluster. We herein report that the histidine kinase coding genes, cheA2 and cheA3, have no role in swimming or chemotaxis in P. pseudoalcaligenes KF707, in contrast to cheA1. However, the cheA1 and cheA2 genes were both necessary for cell swarming, whereas the cheA3 gene product had a negative effect on the optimal swarming phenotype of KF707 cells.

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© 2016 by Japanese Society of Microbial Ecology / Japanese Society of Soil Microbiology / Taiwan Society of Microbial Ecology / Japanese Society of Plant Microbe Interactions.
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