Journal
CURRENT OPINION IN MICROBIOLOGY
Volume 6, Issue 1, Pages 56-60Publisher
CURRENT BIOLOGY LTD
DOI: 10.1016/S1369-5274(03)00008-0
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Quorum sensing is an important mechanism for the regulation of genes in many Gram-negative and Gram-positive bacteria. In the opportunistic pathogen Pseudomonas aeruginosa, the absence of one or more components of the quorum-sensing system results in a significant reduction in virulence. Recent advances in the past year have demonstrated that the quorum-sensing signal molecule 30-C-12-HSL is also a potent stimulator of multiple eukaryotic cells and thus may alter the host response during P. aeruginosa infections. Therefore, via the regulation of multiple factors and the production of 30-C12-HSL, quorum-sensing systems have a significant effect on the virulence of the bacteria and also on how the host responds to P. aeruginosa infections.
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