Host monitoring of quorum sensing during Pseudomonas aeruginosa infection

Many bacteria produce small molecules for monitoring population density and thus regulating their collective behavior, a process termed quorum sensing. Pathogens like Pseudomonas aeruginosa , which complicates cystic fibrosis disease, produce different quorum-sensing ligands at different stages of infection. Moura-Alves et al. used experiments in human cells, zebrafish, and mice to show that a…

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