Computer Science
Scientific paper
May 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987e%26psl..83..343b&link_type=abstract
Earth and Planetary Science Letters, Volume 83, Issue 1-4, p. 343-355.
Computer Science
22
Scientific paper
We have studied the compositions and structure of the lamellibranchia Calyptogena sp associated with fluid venting in subduction zones off Japan. The gills of the Calyptogena are the habitat of symbiotic bacteria which develop owing to chemoautotrophy. They most probably assimilate hydrogen sulfide, methane and/or carbon dioxide and reduce nitrogen. The isotopic budget of methane uptake enables to establish the thermal diagenetic origin of the light hydrocarbons brought by the upwelling fluids. The microscopic examination of thin sections of the bacteria enables to establish that their membranes are compatible with uptake of inorganic nutrients and to establish relations with the metabolism of archeobacteria.
Benedetti E. L.
Boulègue Jacques
Dron Dominique
Létolle René
Mariotti Alberto
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