Why do cells have multiple error-prone DNA polymerases?

被引:26
|
作者
Friedberg, EC [1 ]
机构
[1] Univ Texas, SW Med Ctr, Dept Pathol, Lab Mol Pathol, Dallas, TX 75390 USA
关键词
error-prone DNA polymerises; UV radiation; E; coli; prokaryotic cells; eukaryotic cells;
D O I
10.1002/em.1059
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Recent years have witnessed the emergence of a plethora of so-called novel DNA polymerases in both eukaryotic and prokaryotic cells. Many of these DNA polymerases are characterized by poor replicational fidelity and low processivity, and are devoid of 3 ' --> 5 ' exonuclease activity. This article describes the discovery of these error-prone polymerases and what is known about their biological function. Environ. Mol. Mutagen. (C) 2001 Wiley-Liss, Inc.
引用
收藏
页码:105 / 110
页数:6
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