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Responses of Mytilus edulis L. to low oxygen tension: anaerobic metabolismof the posterior adductor muscle and mantle tissues
Livingstone, D.R.; Bayne, B.L. (1977). Responses of Mytilus edulis L. to low oxygen tension: anaerobic metabolismof the posterior adductor muscle and mantle tissues. J. Comp. Physiol. (B Biochem. Syst. Environ. Physiol.) 114(2): 143-155
In: Journal of comparative physiology. Part B. Biochemical, systemic, and environmental physiology. Springer: Heidelberg; Berlin. ISSN 0174-1578, more
Peer reviewed article  

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Keywords
    Anaerobic respiration; Metabolism; Musculoskeletal system; Oxygen depletion; Mytilus edulis Linnaeus, 1758 [WoRMS]; Marine

Authors  Top 
  • Livingstone, D.R.
  • Bayne, B.L.

Abstract
    Alanine, malate and succinate accumulated in the posterior adductor muscle of M. edulis held at the reduced O2 tensions of 120 mm and 83 mm Hg. The accumulations of alanine and malate were greater at the lower of the 2 O2 tensions. Glutamate also accumulated in the posterior adductor muscle. The time course of the accumulation and decline of substrates paralleled that of the physiological acclimation of Mytilus to low O2 tensions (see Bayne and Livingstone 1977) Alanine and glutamate did not accumulate in the mantle tissues at the reduced O2 tensions. No qualitative or quantitative changes were seen in the activities of the enzyme pyruvate kinase and PEP-carboxykinase from the posterior adductor muscle and mantle tissues, during exposure to low O2 tension.

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