Comparison of the reversibility of locipet23 andlys2 after UV irradiation in the standard and UV-sensitive strains ofSaccharomyces cerevisiae |
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Authors: | V Vl?ková V Ková?ová |
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Institution: | (1) Department of Molecular Biology and Genetics, Faculty of Sciences, Komensky University, 842 15 Bratislava, Czechoslovakia |
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Abstract: | Reversibility of the respiration-deficient locuspet23 and auxotrophic locuslys2 was followed in the standard (RAD1) and UV sensitive (rad1–2) strains ofSaccharomyces cerevisiae, both after identical doses of UV radiation and at identical survival. When comparing the reversibility after the treatment
with identical doses of UV radiation a much higher reversibility of both loci in strainrad1–2 could be detected. When comparing the reversibility of the loci in question at identical survival of both strains it could
be found that the reversibility of thepet23 locus is again much higher in strainrad1–2, whereas the reversibility of thelys2 locus is roughly identical in the two strains. Thus, the function of geneRAD1 in repair processes is apparently associated with the “error-free” repair, both at low and high doses of ultraviolet radiation. |
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