Initiating chromosome replication in E. coli: it makes sense to recycle

被引：13

作者：

Leonard, Alan C. ^{[1
]}

Grimwade, Julia E. ^{[1
]}

机构：

[1] Florida Inst Technol, Dept Biol Sci, Melbourne, FL 32901 USA

来源：

GENES & DEVELOPMENT | 2009年 / 23卷 / 10期

关键词：

DnaA reactivation; nucleotide exchange; initiation regulation; functional DNA sequence; protein complex; replication cycle; ESCHERICHIA-COLI; DNAA PROTEIN; ORIGIN RECOGNITION; IN-VITRO; PRE-RC; ATP; BINDING; CYCLE; PHOSPHOLIPIDS; MECHANISMS;

D O I：

10.1101/gad.1809909

中图分类号：

Q2 [细胞生物学];

学科分类号：

071009 ; 090102 ;

摘要：

Initiating new rounds of Escherichia coli chromosome replication requires DnaA-ATP to unwind the replication origin, oriC, and load DNA helicase. In this issue of Genes & Development, Fujimitsu and colleagues (pp. 1221-1233) demonstrate that two chromosomal sites, termed DARS (DnaA-reactivating sequences), recycle inactive DnaA-ADP into DnaA-ATP. Fujimitsu and colleagues propose these sites are necessary to attain the DnaA-ATP threshold during normal growth and are important regulators of initiation timing in bacteria.

引用

页码：1145 / 1150

页数：6

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