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Quorum sensing in Vibrio spp.: the complexity of multiple signalling molecules in marine and aquatic environments
Girard, L. (2019). Quorum sensing in Vibrio spp.: the complexity of multiple signalling molecules in marine and aquatic environments. Critical Reviews in Microbiology 45(4): 451-471. https://dx.doi.org/10.1080/1040841X.2019.1624499
In: Critical Reviews in Microbiology. TAYLOR & FRANCIS LTD: Abingdon. ISSN 1040-841X; e-ISSN 1549-7828, more
Peer reviewed article  

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Keywords
    Vibrio Pacini, 1854 [WoRMS]
    Marine/Coastal; Brackish water; Fresh water
Author keywords
    Marine environment; quorum sensing; Vibrio spp; autoinducers

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Abstract
    Quorum sensing (QS) is a density-dependent mechanism enabling bacteria to coordinate their actions via the release of small diffusible molecules named autoinducers (AIs). Vibrio spp. are able to adapt to changing environmental conditions by using a wide range of physiological mechanisms and many species pose a threat for human health and diverse marine and estuarine ecosystems worldwide. Cell-to-cell communication controls many of their vital functions such as niche colonization, survival strategies, or virulence. In this review, I summarize (1) the different known QS pathways (2) the diversity of AIs as well as their biological functions, and (3) the QS-mediated interactions between Vibrio and other organisms. However, the current knowledge is limited to a few pathogenic or bioluminescent species and in order to provide a genus-wide view an inventory of QS genes among 87 Vibrio species has been made. The large diversity of signal molecules and their differential effects on a particular physiological function suggest that the complexity of multiple signalling systems within bacterial communities is far from being fully understood. I question here the real level of specificity of such communication in the environment and discuss the different perspectives in order to better apprehend QS in natural habitats.

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