Cell cycle regulation of DNA replication initiation proteins in mammalian cells.

研究成果: Contribution to journalReview article査読

36 被引用数 (Scopus)

抄録

Genomic DNA has to be replicated completely and only once during a single cell cycle in order to maintain integrity. Eukaryotes have developed highly regulated machinery for precisely replicating genomic DNA that is fragmented into multiple chromosomes. Our knowledge of such mechanisms largely depends on findings with budding yeast, since identification of specific DNA sequences acting as replication origins, autonomously replicating sequences, has allowed extensive analyses of the initiation of DNA replication. Several factors essential for regulation of initiation have been identified, including ORC, CDC6 and MCM. Subsequent work has suggested that the fundamental machinery for DNA replication may be conserved in metazoan embryonic cells in which replication occurs sequence-independently, and also in mammalian nonembryonic cells, where replication origins are more specific. However, there are specific differences. In this review, information on function and regulation of mammalian initiation factors, ORC, CDC6 and MCM, is summarized, and yeast and embryonic systems are compared. A hypothetical model for the state of prereplication chromatin in mammalian cell nuclei and regulation during the cell cycle is also proposed.

本文言語英語
ページ(範囲)D816-823
ジャーナルFrontiers in bioscience : a journal and virtual library
4
DOI
出版ステータス出版済み - 12 1 1999
外部発表はい

All Science Journal Classification (ASJC) codes

  • 生化学、遺伝学、分子生物学(全般)
  • 免疫学および微生物学(全般)

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