Influence of various phosphoric concentrations on tissue and intracellular metabolism of Cyprinus Carpio L. in aquatic habitat
2023
Nataliia Hrynevych | Mykola Svitelskyi | Oleksandr Khomiak | Оksаnа Ishchuk | Svitlana Matkovska
The research relevance is predefined by the fact that under the influence of various factors of the aquatic environment, changes in the speed and direction of the metabolic processes of hydrobionts are recorded. The research aims to study the influence of different inorganic phosphorus content in the aquatic environment on the indicators of phosphorus-calcium exchange in fish. The methods of thin-layer chromatography and variational statistics were used. Glandular tissues of the gills, liver and kidneys of fish were analyzed. To study the influence of inorganic phosphorus in the water environment on some indicators of intracellular metabolism, mitochondria were isolated in osmoregulatory organs. It was found that when the concentration of phosphorus increases to 0.3-0.6 mg/L in the water environment, it accumulates in the liver, and gills and decreases in the kidneys, while the concentration is maintained at a relatively constant level in the blood serum of fish. An increase in the concentration of inorganic phosphorus in the water environment significantly affects the processes of energy generation in the mitochondria of fish livers. A change in the phosphorus content in the habitat of fish has a significant impact on tissue bioenergetic processes, which is manifested in a change in the adenosine triphosphate content, and alkaline phosphatase activity. Significant changes in these indicators are observed in the gills and kidneys. The research results can be used for the formation of adaptive and compensatory regulatory mechanisms in the organism of hydrobionts during their adaptation to certain conditions of cultivation and reproduction
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