Mutation - Enzymes of evolutionary change

被引：101
|
作者：
Radman, M [1 ]
机构：
[1] Univ Paris 05, Fac Med Necker Enfants Malad, F-75730 Paris 15, France
来源：
NATURE | 1999年 / 401卷 / 6756期
关键词：
D O I：
10.1038/44738
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Although many mutations are harmful, some can help a population to adapt to environmental changes and enhance its chances of survival. Mutations have always been thought to be random, chance events, but the discovery of a set of enzymes known as mutases indicates that cells have mechanisms for generating them. The process needs to be tightly regulated, though, and is switched on only when the cell is under stress.
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收藏
页码：866 / +
页数：3
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