Occurrence of Deferribacterales and Entomoplasmatales in the deep-sea Alvinocarid shrimp Rimicaris exoculata gut.
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Abstract The phylogenetic diversity of the gut microbial population of the hydrothermal shrimp Rimicaris exoculata was determined. The presence of micro-organisms in the hindgut of the shrimp was determined, and their morphology illustrated for the first time by transmission electron microscopy. DNA was extracted from the fore-, mid- and hindgut of shrimps collected at the Rainbow site, at the Mid-Atlantic Ridge, and the sequences of the small-subunit rRNA (16S rDNA) were analyzed. Seven different bacterial phylotypes were identified from the 90 clones screened. The sequences were affiliated to three major groups: epsilon-Proteobacteria (48,8%), Entomoplasmatales (23.3%) and representatives of the new phylum Deferribacteres (26.6%). These results show that the diversity in the shrimp gut is very low compared to that of the surrounding medium. Furthermore, the presence of groups that are not found in the external medium (Spiroplasma sp. and Geovibrio sp.) suggests the existence of a local microflora. The potential roles of these bacteria are discussed, involving the shrimp diet and metal bioremediation.
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R. exoculata hosts a distinct epibiotic microbial community in their gut.
“Moreover, shrimps host a distinct epibiotic microbial community in their gut (Zbinden and Cambon-Bonavita, 2003; Durand et al., 2010, 2015).”
From Is It First the Egg or the Shrimp? – Diversity and Variation in Microbial Communities Colonizing Broods of the Vent Shrimp Rimicaris exoculata During Embryonic Development (2019) · cites this paper as Zbinden and Cambon-Bonavita, 2003
Rimicaris exoculata shrimps host important communities of chemosynthetic bacteria living in symbiosis with their host inside the cephalothorax and gut.
“Like many other species from these ecosystems, Rimicaris shrimps host important communities of chemosynthetic bacteria living in symbiosis with their host inside the cephalothorax and gut.”
From Is It First the Egg or the Shrimp? – Diversity and Variation in Microbial Communities Colonizing Broods of the Vent Shrimp Rimicaris exoculata During Embryonic Development (2019) · cites this paper as Zbinden and Cambon-Bonavita, 2003
In the present study, symbiont-related lineages of Zetaproteobacteria or Entomoplasmatales previously reported in R. exoculata cephalothorax or gut were also retrieved.
“In our present study, in addition to the previous ones, symbiont-related lineages of Zetaproteobacteria or Entomoplasmatales previously reported in R. exoculata, cephalothorax or gut were also retrieved (Zbinden and Cambon-Bonavita, 2003; Jan et al., 2014).”
From Is It First the Egg or the Shrimp? – Diversity and Variation in Microbial Communities Colonizing Broods of the Vent Shrimp Rimicaris exoculata During Embryonic Development (2019) · cites this paper as Zbinden and Cambon-Bonavita, 2003
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References 38 · Cited by 101
- Authors
- Zbinden, M., & Cambon-Bonavita, M.-A.
- Affiliations
- Centre National de la Recherche Scientifique (FR)
- Corresponding author
- Zbinden, Magali
- ORCID
- Zbinden, Magali
- Venue
- FEMS Microbiology Ecology
- Publisher
- Oxford University Press (OUP)
- Published
- 2003-10
- Volume
- 46
- Issue
- 1
- Pages
- 23-30
- ISSN
- 0168-6496 (ISSN-L)
- 1574-6941
- OpenAlex
- W2141565183
- Cited by
- 101
- References
- 38
- Citations by year
- 2026: 2 · 2025: 1 · 2024: 1 · 2023: 4 · 2022: 5 · 2021: 16 · 2020: 3 · 2019: 4 · 2018: 5 · 2017: 5 · 2016: 4 · 2015: 6 · 2014: 4 · 2012: 3
- FWCI
- 2.87
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- FEMS Microbiology Ecology (publishedVersion)
- PubMed (publishedVersion)
- HAL (submittedVersion)
- Institutional Archive of Ifremer (French Research Institute for Exploitation of the Sea) (submittedVersion)
- Funders
- Centre National de la Recherche Scientifique
- Région Bretagne
- Topics
- Physical Sciences › Environmental Science › Ecology › Microbial Community Ecology and Physiology
- Physical Sciences › Earth and Planetary Sciences › Oceanography › Marine Biology and Ecology Research
- Life Sciences › Immunology and Microbiology › Immunology › Aquaculture disease management and microbiota
- Keywords
- Rimicaris exoculata, deep-sea shrimp, gut microbiota, Deferribacteres, Epsilonproteobacteria, hydrothermal vents, 16S rRNA phylogeny, bacterial diversity, Spiroplasma, metal bioremediation, shrimp diet, Mid-Atlantic Ridge
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