The use of a micronucleus test to characterise adaptation ofVicia faba root tip cells to gamma-radiation |
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Authors: | P. Kuglík R. Veselská |
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Affiliation: | 1. Department of Genetics and Molecular Biology, Faculty of Sciences, Masaryk University, Kotlá?ská 2, 611 37, Brno, Czech Republic
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Abstract: | Pretreatment ofVicia faba root tip cells with low doses of60Co γ-radiation can reduce the yield of micronuclei induced by a subsequent high dose of γ-radiation (1.5 Gy). This adaptation to γ-radiation possesses the following characteristics: (1) this phenomenon can be induced by an optimal range of low doses of γ-radiation applied acutely or fractionally; (2) the expression of this response seems to be transitory and depends on the time interval between adapting and challenging doses of γ-radiation. Communicated by T. GICHNER |
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