The influence of pretreatment with exogenous DNA on the frequencies of aberrations induced by X-Rays |
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| Authors: | M Ondřej Lim En Se |
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| Institution: | 1. Institute of Experimental Botany, Czechoslovak Academy of Sciences, Flemingovo n. 2, 160 00, Praha, Praha 6, Czechoslovakia
2. Institute of Experimental Biology, Academy of Sciences, Pyongyana, Democratic Peoples’ Republic of Korea
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| Abstract: | Pretreatment with calf thymus DNA decreases the frequency of chromosomal aberrations in metaphases and anaphases induced by X-rays in barley root meristem cella. This effect is manifested in a wide range of concentrations (5% -0.001%) without any great dependence on the concentration. Calf thymus DNA alone does not induce any chromosomal aberrations in barley root meristem cells. |
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