Cited by 12Bacterial biofilms and quorum sensingMicrobial Community Ecology and Physiologybioluminescence and chemiluminescence research

Highlighting of quorum sensing lux genes and their expression in the hydrothermal vent shrimp Rimicaris exoculata ectosymbiontic community. Possible use as biogeographic markers

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Le Bloa, Simon, Durand, Lucile, Cueff- Gauchard, Valérie, Le Bars, Josiane, Taupin, Laure, Marteau, Charlotte, Bazire, Alexis, Cambon-Bonavita, Marie-Anne·2017·PLoS ONE

Abstract

Rimicaris exoculata is a caridean shrimp that dominates the fauna at several hydrothermal vent sites of the Mid-Atlantic Ridge. It has two distinct and stable microbial communities. One of these epibiontic bacterial communities is located in the shrimp gut and has a distribution and role that are poorly understood. The second colonizes its enlarged gill chamber and is involved in host nutrition. It is eliminated after each molt, and has colonization processes reminiscent of those of a biofilm. The presence and expression of genes usually involved in quorum sensing (QS) were then studied. At four sites, Rainbow, TAG, Snake Pit and Logatchev, two lux genes were identified in the R. exoculata epibiontic community at different shrimp molt stages and life stages. RT-PCR experiments highlighted lux gene expression activity at TAG, Snake Pit and Rainbow vent sites. Their potential QS activity and their possible roles in epibiont colonization processes are discussed. Moreover, phylogenetic analysis has shown the presence of three clades for luxS (Epsilonproteobacteria) and four clades for luxR (Gammaproteobacteria) genes, each clade being restricted to a single site. These genes are more divergent than the 16S rRNA one. They could therefore be used as biogeographical genetic markers.

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  1. [16]Casanova B, Brunet M, Segonzac M. L'impact d'une épibiose bactérienne sur la morphologie fonctionnelle des crevettes associées à l'hydrothermalisme médio-Atlantique. Cah. Biol. Mar. 1993; 34: 573– 588.
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Authors
Le Bloa, S., Durand, L., Cueff- Gauchard, V., Le Bars, J., Taupin, L., Marteau, C., Bazire, A., & Cambon-Bonavita, M.-A.
Affiliations
  • Centre National de la Recherche Scientifique (FR)
  • Université de Bretagne Sud (FR)
Venue
PLoS ONE
Published
2017-03-22
Volume
12
Issue
3
Pages
e0174338
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2602374743
Cited by
12
References
81
Citations by year
2022: 3 · 2021: 2 · 2020: 4 · 2019: 2 · 2018: 1
FWCI
0.78
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
  • Institutional Archive of Ifremer (French Research Institute for Exploitation of the Sea) (submittedVersion, other-oa)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • Figshare (submittedVersion, cc-by)
Funders
Agence Nationale de la Recherche (ANR-10-LABX-19-01, 018-01, ANR-10-LABX-19, ANR-10-LABX-0019, 10-LABX-19-01, ANR-10, ANR-10-LABX)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bacterial biofilms and quorum sensing
  • Physical Sciences › Environmental Science › Ecology › Microbial Community Ecology and Physiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › bioluminescence and chemiluminescence research
Keywords
Rimicaris exoculata, quorum sensing, lux genes, LuxS, LuxR, hydrothermal vent shrimp, gill symbionts, gene expression, molt stage, Epsilonproteobacteria, Gammaproteobacteria, Mid-Atlantic Ridge, TAG hydrothermal field, Rainbow hydrothermal field, Logatchev hydrothermal field
MeSH terms
Animals, DNA, Bacterial, Genes, Bacterial, Genetic Markers, Gills, Phylogeny, RNA, Ribosomal, 16S, Sequence Analysis, DNA, Gammaproteobacteria, Epsilonproteobacteria, Decapoda, Quorum Sensing, Hydrothermal Vents

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