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Effects of low dose tritium labeled thymidine and uridine on the induction of somatic mutations in tradescantia


Environmental & Experimental Botany 24(2): 173-178
Effects of low dose tritium labeled thymidine and uridine on the induction of somatic mutations in tradescantia
The mutagenic effects of the labeled position of 3H labeled thymidine and uridine were studied in stamen hairs of Tradescantia clone BNL-02 [T. ohiensis .times. T. occidentalis]. Each 3H labeled compound was applied to the center of the inflorescence with 0, 5, 10, 50 and 100 nCi/inflorescence. The frequency of pink mutations was increased by increasing doses of both types of compounds but the slopes of the dose-response curves were different. Possible molecular mechanisms involved in the effect of 3H labeled thymidine and uridine on the induction of mutations are discussed.


Accession: 005312813



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