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Adaptation to anaerobic metabolism in two mussel species, Mytilus edulis and Mytilus galloprovincialis, from the tidal zone at Arcachon Bay, France
de Vooys, C.G.N. (1987). Adaptation to anaerobic metabolism in two mussel species, Mytilus edulis and Mytilus galloprovincialis, from the tidal zone at Arcachon Bay, France. Neth. J. Sea Res. 21(1): 17-23
In: Netherlands Journal of Sea Research. Netherlands Institute for Sea Research (NIOZ): Groningen; Den Burg. ISSN 0077-7579, more
Peer reviewed article  

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Keyword
    Marine

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  • de Vooys, C.G.N.

Abstract
    Aspects of anaerobic metabolism were investigated in two sympatric mussel species, viz. Mytilus edulis and Mytilus galloprovincialis, living in the tidal zone in Arcachon Bay, France. Specific activities of pyruvate kinase (PK) and phosphoenolpyruvate kinase (PEP-CK) were remarkably similar in the two sympatric species and generally corresponded more closely to those observed in M. galloprovincialis in the Mediterranean than with M. edulis in the Dutch Wadden Sea. However, the values for the ratio PK: PEP-CK for the two species in Arcachon Bay agreed with those of intertidal M. edulis from the Dutch Wadden Sea. Succinate accumulation during the first 24 h of anaerobiosis was about the same as in M. galloprovincialis in the Mediterranean, but decreased during the second 24 h, particularly in M. edulis, obviously due to propionate formation. Decrease in ATP concentrations in the tissues during anaerobiosis corresponded to that of intertidal M. edulis from the Dutch Wadden Sea. With the exception of specific activities of PK and PEP-CK, all properties investigated in both species were as expected in intertidal mussels.

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