Effect of Gamma Radiation on Cytogenetic and Growth Endpoints of Allium Cepa Seedlings in Long-Term Experiments

Overview

Journal Dokl Biochem Biophys

Specialties Biochemistry
Biophysics

Date 2022 May 10

PMID 35538284

Authors

A Ya Bolsunovsky

E A Trofimova

A V Zueva

D V Dementyev

M V Petrichenkov

Affiliations

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Abstract

The effect of γ-radiation on the growth and cytogenetic endpoints of Allium cepa L. seedlings in a long period after irradiation in absorbed doses from 1.0 to 10.7 Gy were examined. The chromosome aberration rate was most sensitive to the radiation: it increased immediately after exposure at all doses. In the recovery period (up to 216 h) after irradiation, the chromosome aberration frequency naturally decreased but at the end of experiment in maximum doses remained above the control values. The impact of the initial level of chromosome aberrations on the inhibition of onion roots growth in the long terms after irradiation is discussed.

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