Relationship between the occurrence of filamentous bacteria on Bathymodiolus azoricus shell and the physiological and toxicological status of the vent mussel

The edifice walls of the Eiffel Tower hydrothermal vent site (Mid-Atlantic Ridge, Lucky Strike vent field) are populated with dense communities of dual symbioses harboring vent mussel Bathymodiolus azoricus, some of which are covered by white filamentous mats belonging to sulfur-oxidizing bacteria....

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Bibliographic Details
Published in:Journal of experimental marine biology and ecology 2009-07, Vol.376 (1), p.1-6
Main Authors: Martins, I., Colaço, A., Santos, R. Serrão, Lesongeur, F., Godfroy, A., Sarradin, P.-M., Cosson, R.P.
Format: Article
Language:English
Subjects:
Animal and plant ecology
Animal, plant and microbial ecology
Bathymodiolus azoricus
Biological and medical sciences
Biomarkers
Eiffel Tower
Filamentous bacteria
Fundamental and applied biological sciences. Psychology
Invertebrates
Life Sciences
Marine
Metallothioneins
Metals
Microbiology and Parasitology
Mollusca
Sea water ecosystems
Synecology
Vent mussel
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Summary:The edifice walls of the Eiffel Tower hydrothermal vent site (Mid-Atlantic Ridge, Lucky Strike vent field) are populated with dense communities of dual symbioses harboring vent mussel Bathymodiolus azoricus, some of which are covered by white filamentous mats belonging to sulfur-oxidizing bacteria. Mussels were collected in both the presence and absence of the filamentous bacteria. A sample of the filamentous bacteria was collected and water measurements of temperature, CH 4 and H 2S were recorded at the collection area. The whole soft tissues were analyzed for total lipid, carbohydrate and total protein. Metallothioneins and metals (Cu, Fe and Zn) levels were determined in the major organs. The results showed no significant physiological and toxicological evidence that emphasizes the influence of associated sulfur-oxidizing filamentous bacteria on B. azoricus mussel shells. However, B. azoricus mussel seems to be well adapted to the assorted physico-chemical characteristics from the surrounding environment since it is able to manage the constant fluctuation of physico-chemical compounds.
ISSN:0022-0981
1879-1697
DOI:10.1016/j.jembe.2009.05.001