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J Bacteriol. 2007 Jul;189(13):4969-72. Epub 2007 Apr 20.

Quorum sensing regulates denitrification in Pseudomonas aeruginosa PAO1.

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  • 1Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8572, Japan.

Abstract

Anaerobic growth of Pseudomonas aeruginosa PAO1 was affected by quorum sensing. Deletion of genes that produce N-acyl-l-homoserine lactone signals resulted in an increase in denitrification activity, which was repressed by exogenous signal molecules. The effect of the las quorum-sensing system was dependent on the rhl quorum-sensing system in regulating denitrification.

PMID:
17449629
[PubMed - indexed for MEDLINE]
PMCID:
PMC1913425
Free PMC Article
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