OZONE RESPONSE IN WILD-TYPE AND RADIATION-SENSITIVE MUTANTS OF SACCHAROMYCES-CEREVISIAE

被引:11
作者
DUBEAU, H
CHUNG, YS
机构
[1] Départment des Sciences Biologiques, Université de Montréal, Montréal, H3C 3J7, Québec
来源
MOLECULAR AND GENERAL GENETICS | 1979年 / 176卷 / 03期
关键词
D O I
10.1007/BF00333103
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The effect of ozone exposure on Saccharomyces cerevisiae was studied. Factors such as ozone concentration, treatment time, media, initial cell concentration and growth phase were shown to influence ozone response in this organism. Logarithmic phase cells were much more sensitive than stationary phase cells to the lethal effect of ozone. The radiation-sensitive mutants rad3, rad6, rad51 and rad52 of S. cerevisiae were exposed, in water, to 50 ppm of ozone for 30 min. On comparing their survival curves, the rad51 and the rad52 mutants showed a greater sensitivity to ozone exposure than the wild type. © 1979 Springer-Verlag.
引用
收藏
页码:393 / 398
页数:6
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