Nuclear structure and DNA replication

被引:41
作者
DePamphilis, ML [1 ]
机构
[1] NICHHD, NIH, Bethesda, MD 20892 USA
关键词
eukaryotic DNA replication; nucleus; nuclear structure; nuclear matrix; nucleoskeleton; origin recognition complex; cell cycle;
D O I
10.1006/jsbi.2000.4219
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
DNA replication is a highly conserved process among eukaryotes where it occurs within a unique organelle-the nucleus. The importance of this structure is indicated by the fact that assembly of prereplication complexes on cellular chromatin is delayed until mitosis is completed and a nuclear structure has formed. Although nuclear structure is dispensable for DNA replication in vitro, it does appear to play a role in vivo by regulating the concentration of proteins required to initiate DNA replication, by facilitating the assembly or activity of DNA replication forks, and by determining where in the genome initiation of DNA replication occurs.
引用
收藏
页码:186 / 197
页数:12
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