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Título

Regulation of replication fork advance and stability by nucleosome assembly

AutorPrado, Félix ; Maya, Douglas
Palabras claveDNA damage tolerance
DNA replication
Chromatin assembly
Replication fork stability
Homologous recombination
Fecha de publicación2017
EditorMultidisciplinary Digital Publishing Institute
CitaciónGenes 8(2): 49 (2017)
ResumenThe advance of replication forks to duplicate chromosomes in dividing cells requires the disassembly of nucleosomes ahead of the fork and the rapid assembly of parental and de novo histones at the newly synthesized strands behind the fork. Replication-coupled chromatin assembly provides a unique opportunity to regulate fork advance and stability. Through post-translational histone modifications and tightly regulated physical and genetic interactions between chromatin assembly factors and replisome components, chromatin assembly: (1) controls the rate of DNA synthesis and adjusts it to histone availability; (2) provides a mechanism to protect the integrity of the advancing fork; and (3) regulates the mechanisms of DNA damage tolerance in response to replication-blocking lesions. Uncoupling DNA synthesis from nucleosome assembly has deleterious effects on genome integrity and cell cycle progression and is linked to genetic diseases, cancer, and aging.
Versión del editorhttps://doi.org/10.3390/genes8020049
URIhttp://hdl.handle.net/10261/165598
Identificadoresdoi: 10.3390/genes8020049
e-issn: 2073-4425
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