Effects of Gamma-Radiation on DNA Damage in Onion (Allium cepa L.) Seedlings


Дәйексөз келтіру

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Аннотация

The effect of γ-radiation on the level of nuclear DNA damage in onion seedlings (Allium-test) was studied using the comet assay. DNA breaks were first found in cells of onion seedlings exposed to low-dose radiation (≤ 0.1 Gy). Dose dependence of DNA damage parameters showed nonlinear behavior: a linear section in the low-dose region (below 0.1 Gy) and a dose-independent plateau in the dose range between 1 and 5 Gy. Thus, the comet assay can be used to estimate the biological effects of low-dose γ-radiation on Allium cepa seedlings.

Авторлар туралы

A. Bolsunovsky

Institute of Biophysics, Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences

Хат алмасуға жауапты Автор.
Email: radecol@ibp.ru
Ресей, Krasnoyarsk, 660036

D. Dementyev

Institute of Biophysics, Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences

Email: radecol@ibp.ru
Ресей, Krasnoyarsk, 660036

T. Frolova

Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences; Novosibirsk State University

Email: radecol@ibp.ru
Ресей, Novosibirsk, 630090; Novosibirsk, 630090

E. Trofimova

Institute of Biophysics, Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences

Email: radecol@ibp.ru
Ресей, Krasnoyarsk, 660036

E. Iniatkina

Institute of Biophysics, Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences

Email: radecol@ibp.ru
Ресей, Krasnoyarsk, 660036

S. Vasilyev

Research Institute of Medical Genetics, Tomsk National Research Medical Center, Russian Academy of Sciences

Email: radecol@ibp.ru
Ресей, Tomsk, 634058

O. Sinitsyna

Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences; Novosibirsk State University

Email: radecol@ibp.ru
Ресей, Novosibirsk, 630090; Novosibirsk, 630090

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