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Does sulphide detoxication occur in the gills of the hydrothermal vent shrimp, Rimicaris exoculata?
Compère, P.; Martinez, A.-S.; Charmantier-Daures, M.; Toullec, J.-Y.; Goffinet, G.; Gaill, F. (2002). Does sulphide detoxication occur in the gills of the hydrothermal vent shrimp, Rimicaris exoculata? C. R., Biol. 325(5): 591-596
In: Comptes Rendus. Biologies. Elsevier: Paris. ISSN 1631-0691, more
Peer reviewed article  

Available in Authors 
    VLIZ: Open Repository 279820 [ OMA ]

Keywords
    Crustacea [WoRMS]; Marine
Author keywords
    sulphide adaptation; symbiosis; deep-sea; Crustaceans

Authors  Top 
  • Compère, P., more
  • Martinez, A.-S.
  • Charmantier-Daures, M.
  • Toullec, J.-Y.
  • Goffinet, G., more
  • Gaill, F.

Abstract
    Ultrastructural observations of the gills of the hydrothermal vent shrimp Rimicaris exoculata reveal that the epithelial cells contain numerous mitochondria clustered around unusual organelles (diameter of 0.7 to 2.5 µm) containing membrane stacks. These organelles were termed sulphide-oxidising bodies (SOBs) by structural analogy with organelles observed in the tissues of species adapted to sulphide-rich environments. Moreover, in the gills of R. exoculata, mitochondria display numerous electron-dense granules in their stroma. Such ultrastructural features suggest that sulphide detoxication may probably occur in the gills of R. exoculata. Comparable structures were also described in the gills of other hydrothermal vent species, as the alvinellid Pompeii worms that, as R. exoculata, are housing ectosymbiotic bacteria.

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