Section

Ecology

Title

BIOTESTING THE QUALITY OF RIVER WATERS IN THE CITY OF STERLITAMAK ON GENOTOXICITY

Сontributors

S.V. Tikhonova, M. S., Sterlitamak branch of the Bashkir state University, This email address is being protected from spambots. You need JavaScript enabled to view it.;

A. A. Romanova, Ph. D. (Biology), Associate Professor, This email address is being protected from spambots. You need JavaScript enabled to view it.;

A. P. Goloschapov, Ph. D. (Biology), Head of the Technological Department of open company "Gordeev M.", apg 1 This email address is being protected from spambots. You need JavaScript enabled to view it.

Abstract

The article presents the data of biotesting the surface water of the rivers of the city of Sterlitamak in the Republic of Bashkortostan on genotoxicity. As a biological test-system the onion Allium cepa L. was used. The mitotic activity and frequency of chromosomal aberrations in the root meristem of the test object was estimated. The analysis of seasonal changes of river water quality revealed that the highest mitotic activity of cells was observed in the roots of the onion, sprouted in the samples of water from the rivers, taken during the autumn period. Water samples, taken in spring, had a depressing effect on the mitotic activity of the meristem of the onion roots compared to the control value. The maximum number of chromosomal aberrations was observed in the roots of the onion, sprouted in autumn water samples.

Keywords

Allium cepa L, mitotic index, chromosomal aberrations, genotoxic effect.

References

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