Data/hora: 08/06/2024 16:40:14

Provedor de dados: | Institutional Archive of Ifreme (ArchiMer)
País: | France
Título: | Highly diverse recombining populations of Vibrio cholerae and Vibrio parahaemolyticus in French Mediterranean coastal lagoons
Autores: | Esteves, Kevin; Mosser, Thomas; Aujoulat, Fabien; Hervio-heath, Dominique; Monfort, Patrick; Jumas-bilak, Estelle.
Data: | 2015-07
Ano: | 2015
Palavras-chave: | Vibrio; Human pathogens; French coastal lagoons; Phylogeny; Recombination; Multi-locus sequence analysis; Virulence factor.
Resumo: | Vibrio parahaemolyticus and Vibrio cholerae are ubiquitous to estuarine and marine environments. Thes two species found in Mediterranean coastal systems can induce infection in humans. Environmental isolates of V. cholerae (n = 109) and V. parahaemotycius (n = 89) sampled at different dates, stations and water salinities were investigated for virulence genes and by a mutilocus sequence-based analysis (MLSA). V. cholerae isolate were all ctxA negative and only one isolate of V. parahaemolyticus displayed trh2 gene. Most Sequence Types (ST) corresponded to uique ST isolated at one date or one station. Frequent recombination events were detected among different pathogenic species, V. parahaemotyticus, V. cholerae, Vibrio mimicus, and Vibrio metoecus. Recombination had a major impact on the diversification of lineages. The genetic diversity assessed by the number of ST/strain was higher in low salinity condition for V. parahaemolyticus and V. cholerae whereas the frequency of recombination events in V. cholerae was lower in low salinity condition. Mediterranean coastal lagoon systems housed V. cholerae and V. parahaemotyticus with genetic divesities equivalent to the worldwide diversity described so far. The presence of STs found in human infections as well as the frequency of recombination events in enviromental vibrios populations could predict a potential epidemiological risk.
Tipo: | Text
Idioma: | Inglês

Identificador:

http://archimer.ifremer.fr/doc/00274/38528/37039.pdf

DOI:10.3389/fmicb.2015.00708

http://archimer.ifremer.fr/doc/00274/38528/

Editor: | Frontiers Media Sa
Formato: | application/pdf
Fonte: | Frontiers In Microbiology (1664-302X) (Frontiers Media Sa), 2015-07 , Vol. 6 , P. -

Fonte:

2015 Esteves, Mosser, Aujoulat, Hervio-Heath, Monfort and Jumas-Bilak. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these

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