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Curr Opin Microbiol. 2003 Apr;6(2):191-7.

LuxS quorum sensing: more than just a numbers game.

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  • 1Department of Molecular Biology, Princeton University, Princeton, NJ 08544-1014, USA.

Abstract

Quorum sensing is a process of bacterial cell-to-cell communication involving the production and detection of extracellular signaling molecules called autoinducers. Quorum sensing allows populations of bacteria to collectively control gene expression, and thus synchronize group behavior. Processes controlled by quorum sensing are typically ones that are unproductive unless many bacteria act together. Most autoinducers enable intraspecies communication; however, a recently discovered autoinducer AI-2 has been proposed to serve as a 'universal signal' for interspecies communication. Studies suggest that AI-2 encodes information in addition to specifics about cell number.

PMID:
12732311
[PubMed - indexed for MEDLINE]
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