期刊
GENETICS
卷 203, 期 3, 页码 1027-1067出版社
GENETICS SOCIETY AMERICA
DOI: 10.1534/genetics.115.186452
关键词
DNA replication; cell cycle; chromatin; chromosome duplication; genome stability; YeastBook
资金
- Wellcome Trust [102943/Z/13/Z] Funding Source: Wellcome Trust
- MRC [MC_UU_12016/13] Funding Source: UKRI
- Medical Research Council [1521610, MC_UU_12016/13] Funding Source: researchfish
- Wellcome Trust [102943/Z/13/Z] Funding Source: researchfish
The accurate and complete replication of genomic DNA is essential for all life. In eukaryotic cells, the assembly of the multi-enzyme replisomes that perform replication is divided into stages that occur at distinct phases of the cell cycle. Replicative DNA helicases are loaded around origins of DNA replication exclusively during G(1) phase. The loaded helicases are then activated during S phase and associate with the replicative DNA polymerases and other accessory proteins. The function of the resulting replisomes is monitored by checkpoint proteins that protect arrested replisomes and inhibit new initiation when replication is inhibited. The replisome also coordinates nucleosome disassembly, assembly, and the establishment of sister chromatid cohesion. Finally, when two replisomes converge they are disassembled. Studies in Saccharomyces cerevisiae have led the way in our understanding of these processes. Here, we review our increasingly molecular understanding of these events and their regulation.
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