Recruitment to stalled replication forks of the PriA DNA helicase and replisome-loading activities is essential for survival

被引:80
作者
Gabbai, Carolina B. [2 ]
Marians, Kenneth J. [1 ,2 ]
机构
[1] Mem Sloan Kettering Canc Ctr, Program Mol Biol, New York, NY 10021 USA
[2] Weill Cornell Grad Sch Med Sci, Program Mol Biol, New York, NY USA
关键词
DNA replication restart; PriA helicase; Recombination; Primosome; ESCHERICHIA-COLI K-12; PHI X174-TYPE PRIMOSOME; SINGLE-STRANDED-DNA; H-DEFECTIVE MUTANTS; PROTEIN PRIA; LAGGING-STRAND; HOMOLOGOUS RECOMBINATION; RESTART PRIMOSOME; DEPENDENT ATPASE; LEADING-STRAND;
D O I
10.1016/j.dnarep.2009.12.009
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
PriA, a 3' -> 5' superfamily 2 DNA helicase, acts to remodel stalled replication forks and as a specificity factor for origin-independent assembly of a new replisome at the stalled fork. The ability of PriA to initiate replication at stalled forked structures ensures complete genome replication and helps to protect the cell from illegitimate recombination events. This review focuses on the activities of PriA and its role in replication fork assembly and maintaining genomic integrity. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码:202 / 209
页数:8
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