Abstract
It has been demonstrated that the glycosidase activity of cyprinoid fishes (carp and crucian carp) exposed to a geomagnetic storm for up to 20 h considerably decreases; however, the proteinase activity is weakly altered (a statistically significant decrease in the enzyme activity has been observed only in fasting fish). An in vitro study of the effects of individual half hour intervals of the geomagnetic storm that correspond to the main and recovery phases on the same enzyme activities demonstrates the opposite trend. Independently of the experimental conditions, geomagnetic storms have been shown to influence the enzyme system of fasting fish negatively.
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Original Russian Text © V.V. Kuz’mina, N.V. Ushakova, V.V. Krylov, D.V. Petrov, 2014, published in Izvestiya Akademii Nauk, Seriya Biologicheskaya, 2014, No. 2, pp. 161–167.
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Kuz’mina, V.V., Ushakova, N.V., Krylov, V.V. et al. The effects of geomagnetic storms on proteinase and glycosidase activities in fish intestinal mucosa. Biol Bull Russ Acad Sci 41, 154–160 (2014). https://doi.org/10.1134/S1062359014020058
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DOI: https://doi.org/10.1134/S1062359014020058