Tackling the global rise in antibiotic resistance requires new therapies against infectious microbes. A recent microbiome study identified commensal gut bacteria that reduce colonisation by the cholera pathogen, Vibrio cholerae. This antagonistic interaction might be mediated by quorum sensing, suggesting that these natural microbe-microbe interactions can help prevent infectious disease.
Keywords: AI-2; LuxS; bacterial signalling; cell–cell communication; microbiota; quorum sensing.
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