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Sigacheva T. B. Age features of the proxidant-antioxidant blood system of the round goby Neogobius melanostomus (Pallas, 1814) from the Black sea and the sea of Azov. Proceedings of the T.I.Vyazemsky Karadag Scientific Station - Nature Reserve of the Russian Academy of Sciences, 2021, no. 4 (20), pp. 10-15. https://doi.org/10.21072/eco.2021.20.02

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Abstract

Age-related changes of the prooxidant-antioxidant system parameters (activities of catalase (CAT), superoxide dismutase (SOD), peroxidase (PER), glutathione reductase (GR), glutathione transferase (GT) and oxidized protein levels) in the blood of round goby Neogobius melanostomus (Pallas, 1814) from the coastal regions of the Black Sea (Sevastopol) and the Sea of Azov were carried out. A significant decrease in the activity of CAT and GR in blood erythrocytes of fish from the Black Sea at the age of 2+ compared as to the group 0+–1+ and an increase in the oxidized protein levels in the blood serum of older age groups fish were established. In the Azov Sea gobies, a similar relationship was noted ― the activity of SOD and GR was significantly lower in the blood of fish aged 2+ as compared to the 0+–1+ group. At the same time, no significant changes in the oxidized protein levels in their blood serum have been established. A higher oxidized protein levels in the round goby serum blood from the Black Sea as compared to that in same age individuals from the Sea of Azov indicates a less ecologically safe state of the Sevastopol waters. The results obtained make it possible to recommend carrying out bioindication studies using prooxidant-antioxidant blood system parameters of round goby in one age group.

Authors

T. B. Sigacheva

PhD, senior researcher

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Funding

Работа выполнена в рамках государственного задания ФИЦ ИнБЮМ по теме: «Закономерности формированияи антропогенная трансформация биоразнообразия и биоресурсов Азово-Черноморского бассейна и других районов Мирового океана», регистрационный No 121030100028-0.

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