Abstract
A comparative analysis of the content of free amino acids in the blood plasma of a representative of the bat fauna of the Urals, Myotis dasycneme (Boie, 1825), in seasonal periods of their annual life cycle is presented for the first time. The blood plasma of the pond bats contains a full spectrum of essential amino acids: threonine, valine, lysine, leucine, isoleucine, methionine, phenylalanine, arginine, histidine, and tryptophan. A significant accumulation of metabolically active glucoplastic alanine in the blood of M. dasycneme in the autumn (2.5 times) and winter (2.2 times) periods indicates its role as a low-temperature adaptogen.
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