The Activities of Antioxidant Enzymes and the Glutathione Content of the Digestive Organs in Marine Invertebrates from Possiet Bay, Sea of Japan


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Abstract

The main components of the antioxidant (AO) system, that is, the activities of the antioxidant enzymes superoxide dismutase, catalase, glutathione peroxidase, and glutathione reductase, as well as the glutathione content of cells of the digestive organs, have been measured in 26 species of marine invertebrates that belong to four taxonomic groups from the Possiet Bay, Sea of Japan. It has been shown that the activities of antioxidant enzymes and glutathione content are species specific. In the digestive organs of echinoderms, the activities of antioxidant enzymes and the glutathione content are generally higher compared with those in mollusks. All the studied species exhibit the greatest variability in the activities of catalase and glutathione peroxidase; the lowest variability occurred in activities of superoxide dismutase and glutathione content. The possible causes of the differences in the levels of the investigated components of the AO system are discussed.

About the authors

A. A. Istomina

Il’ichev Pacific Oceanological Institute, Far Eastern Branch; Far Eastern State Technical Fisheries University

Author for correspondence.
Email: s-istomina1@mail.ru
Russian Federation, Vladivostok, 690041; Vladivostok, 690087

V. P. Chelomin

Il’ichev Pacific Oceanological Institute, Far Eastern Branch

Email: s-istomina1@mail.ru
Russian Federation, Vladivostok, 690041

N. V. Dovzhenko

Il’ichev Pacific Oceanological Institute, Far Eastern Branch

Email: s-istomina1@mail.ru
Russian Federation, Vladivostok, 690041

V. V. Kurilenko

Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch

Email: s-istomina1@mail.ru
Russian Federation, Vladivostok, 690022

Yu. V. Fedorets

Il’ichev Pacific Oceanological Institute, Far Eastern Branch

Email: s-istomina1@mail.ru
Russian Federation, Vladivostok, 690041

N. N. Belcheva

Il’ichev Pacific Oceanological Institute, Far Eastern Branch

Email: s-istomina1@mail.ru
Russian Federation, Vladivostok, 690041

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