Abstract:Fifteen independent ICR-170-induced his4 mutations in Saccharomyces cerevisiae were examined by DNA sequence analysis. All of the mutations contained a +1 G-C base pair addition in the HIS4 coding region. Eleven different sites of insertion were identified. Combined with previous DNA sequence data, 21 ICR-170-induced his4 mutations distributed at 16 different sites were analyzed. The insertions were always located in a consecutive run of two or more G-C base pairs, with all base pairs in each run having identi… Show more
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