The Relationship between Lifespan of Marine Bivalves and Their Fatty Acids of Mitochondria Lipids

Author:

Istomina Aleksandra Anatolyevna1,Zhukovskaya Avianna Fayazovna1ORCID,Mazeika Andrey Nikolaevich2,Barsova Ekaterina Andreevna2,Chelomin Victor Pavlovich1,Mazur Marina Alexandrovna3ORCID,Elovskaya Olesya Alexandrovna1ORCID,Mazur Andrey Alexandrovich1ORCID,Dovzhenko Nadezda Vladimirovna1ORCID,Fedorets Yuliya Vladimirovna1,Karpenko Alexander Alexandrovich3

Affiliation:

1. Il’ichev Pacific Oceanological Institute, Far Eastern Branch, Russian Academy of Sciences, 690041 Vladivostok, Russia

2. Institute of the World Ocean, Far Eastern Federal University, 690922 Vladivostok, Russia

3. A.V. Zhirmunsky National Scientific Center of Marine Biology, Far Eastern Branch, Russian Academy of Sciences, 690041 Vladivostok, Russia

Abstract

Marine bivalves belonging to the Mytilidae and Pectinidae Families were used in this research. The specific objectives of this study were: to determine the Fatty Acids (FAs) of mitochondrial gill membranes in bivalves with different lifespans, belonging to the same family, and to calculate their peroxidation index; to compare the levels of ROS generation, malondialdehyde (MDA), and protein carbonyls in the mitochondria of gills, in vitro, during the initiation of free-radical oxation; to investigate whether the FAs of mitochondria gill membranes affect the degree of their oxidative damage and the maximum lifespan of species (MLS). The qualitative membrane lipid composition was uniform in the studied marine bivalves, regardless of their MLS. In terms of the quantitative content of individual FAs, the mitochondrial lipids differed significantly. It is shown that lipid matrix membranes of the mitochondria of long-lived species are less sensitive to in vitro-initiated peroxidation compared with the medium and short-lived species. The differences in MLS are related to the peculiarities of FAs of mitochondrial membrane lipids.

Funder

V.I. Il’ichev Pacific Oceanological Institute

Publisher

MDPI AG

Subject

General Agricultural and Biological Sciences,General Immunology and Microbiology,General Biochemistry, Genetics and Molecular Biology

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