Eco-evolutionary Dynamics Linked to Horizontal Gene Transfer in Vibrios

Type Article
Date 2018
Language English
Author(s) Le Roux Frederique1, 2, Blokesch MelanieORCID3
Affiliation(s) 1 : IFREMER, Unite Physiol Fonctionnelle Organismes Marins, F-29280 Plouzane, France.
2 : Sorbonne Univ, UPMC Paris 06, Lab Biol Integrat Modeles Marins, Stn Biol Roscoff,CNRS,UMR 8227, F-29688 Roscoff, France.
3 : Ecole Polytech Fed Lausanne EPFL, Sch Life Sci, Global Hlth Inst, Lab Mol Microbiol, CH-1015 Lausanne, Switzerland.
Source Annual Review Of Microbiology (0066-4227) (Annual Reviews), 2018 , Vol. 72 , P. 89-110
DOI 10.1146/annurev-micro-090817-062148
WOS© Times Cited 59
Keyword(s) genome plasticity, genomics, population structure, mobile genetic elements, natural competence, pathogen emergence
Abstract

Vibrio is a genus of ubiquitous heterotrophic bacteria found in aquatic environments. Although they are a small percentage of the bacteria in these environments, vibrios can predominate during blooms. Vibrios also play important roles in the degradation of polymeric substances, such as chitin, and in other biogeochemical processes. Vibrios can be found as free-living bacteria, attached to particles, or associated with other organisms in a mutualistic, commensal, or pathogenic relationship. This review focuses on vibrio ecology and genome plasticity, which confers an ability to adapt to new niches and is driven, at least in part, by horizontal gene transfer (HGT). The extent of HGT and its role in pathogen emergence are discussed based on genomic studies of environmental and pathogenic vibrios, mobile genetically encoded virulence factors, and mechanistic studies on the different modes of HGT.

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