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Philos Trans R Soc Lond B Biol Sci. 2011 Dec 27;366(1584):3545-53. doi: 10.1098/rstb.2011.0073.

Quality control in the initiation of eukaryotic DNA replication.

Author information

1
Cancer Research UK London Research Institute, Clare Hall Laboratories, South Mimms, Herts EN6 3LD, UK.

Abstract

Origins of DNA replication must be regulated to ensure that the entire genome is replicated precisely once in each cell cycle. In human cells, this requires that tens of thousands of replication origins are activated exactly once per cell cycle. Failure to do so can lead to cell death or genome rearrangements such as those associated with cancer. Systems ensuring efficient initiation of replication, while also providing a robust block to re-initiation, play a crucial role in genome stability. In this review, I will discuss some of the strategies used by cells to ensure once per cell cycle replication and provide a quantitative framework to evaluate the relative importance and efficiency of individual pathways involved in this regulation.

PMID:
22084381
PMCID:
PMC3203456
DOI:
10.1098/rstb.2011.0073
[Indexed for MEDLINE]
Free PMC Article

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