Anaerobic glycolysis in sea urchins as adaptation to life in a habitat lacking oxygen


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Abstract

Nuclear magnetic resonance spectroscopy revealed the presence of lactic acid and alanine in the coelomic fluid of the black sea urchin Mesocentrotus nudus, which indicates the presence of anaerobic metabolism in echinoderms. It was found that this way of energy metabolism is intensified in stressful situations with insufficient intake of oxygen by the cells and that this compensatory response of energy metabolism is an important adaptive mechanism to changes in environmental conditions.

About the authors

K. A. Drozdov

Elyakov Pacific Institute of Bioorganic Chemistry, Far East Branch

Email: anatoliyld@mail.ru
Russian Federation, pr. 100 Let Vladivostoku 159, Vladivostok, 690022

A. L. Drozdov

Zhirmunskii Institute of Marine Biology, Far East Branch; Far East Federal University

Author for correspondence.
Email: anatoliyld@mail.ru
Russian Federation, ul. Pal’chevskogo 17, Vladivostok, 690041; ul. Sukhanova 8, Vladivostok, 690950

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