Regulation of chromosome replication

T. J. Kelly, G. W. Brown

Research output: Contribution to journalReview article

Abstract

The initiation of DNA replication in eukaryotic cells is tightly controlled to ensure that the genome is faithfully duplicated once each cell cycle. Genetic and biochemical studies in several model systems indicate that initiation is mediated by a common set of proteins, present in all eukaryotic species, and that the activities of these proteins are regulated during the cell cycle by specific protein kinases. Here we review the properties of the initiation proteins, their interactions with each other, and with origins of DNA replication. We also describe recent advances in understanding how the regulatory protein kinases control the progress of the initiation reaction. Finally, we describe the checkpoint mechanisms that function to preserve the integrity of the genome when the normal course of genome duplication is perturbed by factors that damage the DNA or inhibit DNA synthesis.

Original languageEnglish (US)
Pages (from-to)829-880
Number of pages52
JournalAnnual review of biochemistry
Volume69
DOIs
StatePublished - Nov 2 2000

Keywords

  • Cell cycle
  • Checkpoints
  • DNA replication
  • Initiation
  • Protein phosphorylation

ASJC Scopus subject areas

  • Biochemistry

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