The Mercury Content and Antioxidant System in Insectivorous Animals (Insectivora, Mammalia) and Rodents (Rodentia, Mammalia) of Various Ecogenesis Conditions

This study is aimed at analyzing the total mercury in the tissues of mammals adapted to a semiaquatic or subterranean lifestyle and at analyzing the possible role of their antioxidant system in heavy metal detoxication. The water shrew Neomis fodiens Pennant, 1771, European mole Talpa europaea Linna...

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Published in:Biology bulletin of the Russian Academy of Sciences 2017-12, Vol.44 (10), p.1272-1277
Main Authors: Antonova, E. P., Ilyukha, V. A., Komov, V. T., Khizhkin, E. A., Sergina, S. N., Gremyachikh, V. A., Kamshilova, T. B., Belkin, V. V., Yakimova, A. E.
Format: Article
Language:English
Subjects:
Antioxidants
Biochemistry
Biomedical and Life Sciences
Catalase
Cell Biology
Ecology
Heavy metals
Kidneys
Life Sciences
Mammalia
Mercury
Ondatra zibethicus
Sorex palustris
Species
Zoology
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Summary:This study is aimed at analyzing the total mercury in the tissues of mammals adapted to a semiaquatic or subterranean lifestyle and at analyzing the possible role of their antioxidant system in heavy metal detoxication. The water shrew Neomis fodiens Pennant, 1771, European mole Talpa europaea Linnaeus, 1758, muskrat Ondatra zibethicus Linnaeus, 1766, and water vole Arvicola terrestris Linnaeus, 1758 were the species under study. Our results indicate that mercury accumulation in the tissue depends on the age, tissue type, and diet of the species. The highest mercury content was recorded in water shrew tissues compared to other species. Age-dependent accumulation of the toxicant in the animals is reported. A correlation between mercury accumulation and catalase activity in the kidneys of the animals studied was found.
ISSN:1062-3590
1608-3059
DOI:10.1134/S1062359017100028