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Methods to study replication fork collapse in budding yeast


Liberi, G; Cotta-Ramusino, C; Lopes, M; Sogo, J; Conti, C; Bensimon, A; Foiani, M (2006). Methods to study replication fork collapse in budding yeast. Methods in Enzymology, 409:442-62.

Abstract

Replication of the eukaryotic genome is a difficult task, as cells must coordinate chromosome replication with chromatin remodeling, DNA recombination, DNA repair, transcription, cell cycle progression, and sister chromatid cohesion. Yet, DNA replication is a potentially genotoxic process, particularly when replication forks encounter a bulge in the template: forks under these conditions may stall and restart or even break down leading to fork collapse. It is now clear that fork collapse stimulates chromosomal rearrangements and therefore represents a potential source of DNA damage. Hence, the comprehension of the mechanisms that preserve replication fork integrity or that promote fork collapse are extremely relevant for the understanding of the cellular processes controlling genome stability. Here we describe some experimental approaches that can be used to physically visualize the quality of replication forks in the yeast S. cerevisiae and to distinguish between stalled and collapsed forks.

Abstract

Replication of the eukaryotic genome is a difficult task, as cells must coordinate chromosome replication with chromatin remodeling, DNA recombination, DNA repair, transcription, cell cycle progression, and sister chromatid cohesion. Yet, DNA replication is a potentially genotoxic process, particularly when replication forks encounter a bulge in the template: forks under these conditions may stall and restart or even break down leading to fork collapse. It is now clear that fork collapse stimulates chromosomal rearrangements and therefore represents a potential source of DNA damage. Hence, the comprehension of the mechanisms that preserve replication fork integrity or that promote fork collapse are extremely relevant for the understanding of the cellular processes controlling genome stability. Here we describe some experimental approaches that can be used to physically visualize the quality of replication forks in the yeast S. cerevisiae and to distinguish between stalled and collapsed forks.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Institute of Molecular Cancer Research
07 Faculty of Science > Institute of Molecular Cancer Research
Dewey Decimal Classification:570 Life sciences; biology
Language:English
Date:2006
Deposited On:07 Jul 2010 08:58
Last Modified:05 Apr 2016 14:09
Publisher:Elsevier
ISSN:0076-6879
Publisher DOI:https://doi.org/10.1016/S0076-6879(05)09026-9
PubMed ID:16793417

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