UDC

597.552.511

Authors

Il’ya I. Gordeev*, Daniil V. Mikryakov**, Nina I. Silkina**, Veniamin R. Mikryakov**, Olesya Yu. Busarova***
*Russian Federal Research Institute of Fisheries and Oceanography (Moscow, Russian Federation)
**I.D. Papanin Institute for Biology of Inland Waters of the Russian Academy of Sciences (Borok, Yaroslavl Region, Russian Federation)
***Far Eastern State Technical Fisheries University (Vladivostok, Russian Federation)

Abstract

The paper investigates the content of immune complexes and the level of oxidation processes in blood serum, liver, kidney and spleen for three species of char ‒ Salvelinus albus, S. schmidti and S. kronocius caught in the Kronotsky Lake (Kamchatka peninsula) in July-August 2012. Interest in this lake is due to a high degree of its ecological isolation and as a consequence, the processes of speciation. We found intertissue and interspecies differences in the content of immune complexes, products of lipid peroxidation and the antioxidant activity level. Presumably, they are associated with species features, way of life and structural and functional organization of studied tissues and organs. The greatest content of immune complexes was found in kidney, and the smallest ‒ in spleen. Reliable interspecies differences in this indicator were recorded in these organs. When studying the content of reactive products of thiobarbituric acid (TBA) the authors marked the highest values and significant deviations in kidney of char, and the lowest values and slight fluctuations ‒ in blood serum. Interspecies comparison revealed the maximum values of TBA-reactive products in kidney and blood serum of S. albus, and in spleen and liver ‒ in S. kronocius. The level comparison of antioxidant activity demonstrated a high content of antioxidants in blood serum and spleen, the minimum ‒ in kidney. The lowest values of this index in all studied tissues were recorded in S. kronocius. The obtained results can be used to monitor the health status of the population and compare with closely related species.

Keywords

char, immune complex, lipid peroxidation, antioxidant activity, Kronotskoe Lake

References

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