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Genes 2014, 5(1), 147-175;

Molecular Mechanisms of DNA Replication Checkpoint Activation

Institute of Human Genetics, CNRS-UPR1142, Department "Molecular Bases of Human Diseases", 141, Rue de la Cardonille, Montpellier 34396 Cedex 5, France
RNA Biogenesis Laboratory, Institute of Molecular Genetics of Montpellier, 1919 Route de Mende, Montpellier 34293, France
Author to whom correspondence should be addressed.
Received: 30 December 2013 / Revised: 20 February 2014 / Accepted: 21 February 2014 / Published: 6 March 2014
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The major challenge of the cell cycle is to deliver an intact, and fully duplicated, genetic material to the daughter cells. To this end, progression of DNA synthesis is monitored by a feedback mechanism known as replication checkpoint that is untimely linked to DNA replication. This signaling pathway ensures coordination of DNA synthesis with cell cycle progression. Failure to activate this checkpoint in response to perturbation of DNA synthesis (replication stress) results in forced cell division leading to chromosome fragmentation, aneuploidy, and genomic instability. In this review, we will describe current knowledge of the molecular determinants of the DNA replication checkpoint in eukaryotic cells and discuss a model of activation of this signaling pathway crucial for maintenance of genomic stability. View Full-Text
Keywords: ATR; DNA replication fork arrest; DNA replication stress; DNA damage; single-stranded DNA ATR; DNA replication fork arrest; DNA replication stress; DNA damage; single-stranded DNA

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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Recolin, B.; van der Laan, S.; Tsanov, N.; Maiorano, D. Molecular Mechanisms of DNA Replication Checkpoint Activation. Genes 2014, 5, 147-175.

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