期刊
EXPERT REVIEW OF ANTI-INFECTIVE THERAPY
卷 18, 期 12, 页码 1221-1233出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/14787210.2020.1794815
关键词
Quorum sensing (QS); Quorum quenching (QQ); signaling; lactonase; microbiome
资金
- National Institute of General Medical Sciences of the National Institutes of Health [R35GM133487]
Introduction Numerous bacterial behaviors are regulated by a cell-density dependent mechanism known as Quorum Sensing (QS). QS relies on communication between bacterial cells using diffusible signaling molecules known as autoinducers. QS regulates physiological processes such as metabolism, virulence, and biofilm formation. Quorum Quenching (QQ) is the inhibition of QS using chemical or enzymatic means to counteract behaviors regulated by QS. Areas covered We examine the main, diverse QS mechanisms present in bacterial species, with a special emphasis on AHL-mediated QS. We also discuss keyin vitroandin vivosystems in which interference in QS was investigated. Additionally, we highlight promising developments, such as the substrate preference of the used enzymatic quencher, in the application of interference in QS to counter bacterial virulence. Expert opinion Enabledviathe recent isolation of highly stable quorum quenching enzymes and/or molecular engineering efforts, the effects of the interference in QS were recently evaluated outside of the traditional model of single species culture. Signal disruption in complex microbial communities was shown to result in the disruption of complex microbial behaviors, and changes in population structures. These new findings, and future studies, may result in significant changes in the traditional views about QS.
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