Effect of Roundup Herbicide on the Temperature Characteristics of Maltase of the Intestinal Mucosa in Juvenile Fish


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Аннотация

The in vitro effect of Roundup herbicide at a concentration of 25 μg/L on the activity and temperature characteristics (temperature dependence, activation energy Eact, and Q10 temperature coefficient) of maltase in the intestinal mucosa of the juvenile sander, perch, roach, and common carp has been studied. The magnitude and direction of the effect depends on the fish species and the incubation temperature. Roundup does not affect the temperature optimum for maltase (60°C for perch and sander; 50°C for roach and carp). The lower relative activity of the enzyme in the temperature range of 0–30°C indicates a decrease in the efficiency of maltose hydrolysis, while lower Eact values indicate adaptive changes in this parameter in the presence of Roundup.

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Авторлар туралы

A. Filippov

Papanin Institute for Biology of Inland Waters, Russian Academy of Sciences

Email: golovanova5353@mail.ru
Ресей, Borok, Nekouzskii raion, Yaroslavl oblast, 152742

I. Golovanova

Papanin Institute for Biology of Inland Waters, Russian Academy of Sciences

Хат алмасуға жауапты Автор.
Email: golovanova5353@mail.ru
Ресей, Borok, Nekouzskii raion, Yaroslavl oblast, 152742

M. Smirnov

Demidov State University

Email: golovanova5353@mail.ru
Ресей, Yaroslavl, Nekouzskii raion, Yaroslavl oblast, 150000

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