Abstract
Cytogenetic disorders in Triticum aestivum L. cells affected by radionu-clide contamination of water reservoirs in the alienation zone of Chornobyl NPP
Highlights
The genetic changes in the organism are among the most dangerous consequences of radionuclide contamination of the environment resulted from the accident at Chornobyl NPP
The purpose of the work was to study the frequency and spectrum of chromosome aberrations in the root meristem cells of Triticum aestivum L. affected by prolonged radionuclide contamination of water reservoirs in the near alienation zone of Chornobyl NPP
An increase in frequency of chromosome aberrations and mitosis disorders by 1.6–4.2 times was recorded in meristemic cells of primary rootlets of wheat affected by radiation in water reservoirs and watercourses in the alienation zone of ChNPP
Summary
The genetic changes in the organism are among the most dangerous consequences of radionuclide contamination of the environment resulted from the accident at Chornobyl NPP. They appear in various forms of pathologies, development and growth delay, intelligence decrease, shorter life expectancy and death of an individual [1]. Several hydro-biological studies of the alienation zone of Chornobyl NNP [6,7,8] identified a high level of chromosome aberrations in embryonic tissues of fish, shellfish and root meristem of higher water plants, uncharacteristic pathological branching of reed, abnormal formations near racemes, fluctuating asymmetries of shellfish shucks, abnormalities in reproductive systems and fish organs, cancer genesis of animals, reduced resistance to pests and diseases, increased mortality. The role of the external γ-radiation share in the formation of total mutagenicity of water reservoirs at later dates after the accident at ChNPP requires further studying
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