Abstract
Intensity of hydrolysis of various substrata is compared separately and in the presence of other nutrients (modifiers) by enzymatic systems of the intestinal mucosa in representatives of fish from different systematic groups of various stages of evolutionary development: Acipenseriformes, Salmoniformes, Esociformes, Cypriniformes, Percifirmes, Scorpaeniformes, and Pleuronectiformes. Only activation was determined in investigation of activity of alkaline phosphatase, caseinlytic proteinases, and maltase of the intestinal mucosa of representatives of the above groups in the presence of three substrata. In interaction of biosubstrates, the same substance may simultaneously be the activator for one enzymatic process and the inhibitor for another process.
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Original Russian Text © A.N. Nevalennyi, D.A. Bednyakov, V.Yu. Novinskii, S.G. Korostelev, 2011, published in Voprosy Ikhtiologii, 2011, Vol. 51, No. 3, pp. 411–416.
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Nevalennyi, A.N., Bednyakov, D.A., Novinskii, V.Y. et al. Effect of modifiers on digestive hydrolases in fish from different systematic groups. J. Ichthyol. 51, 398–403 (2011). https://doi.org/10.1134/S0032945211030088
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DOI: https://doi.org/10.1134/S0032945211030088