Minding the gap: The underground functions of BRCA1 and BRCA2 at stalled replication forks

作者: G NAGARAJU , R SCULLY

DOI: 10.1016/J.DNAREP.2007.02.020

关键词: RAD51S phaseBiologyGeneticsDNA repairHomologous recombinationDNA replicationControl of chromosome duplicationEukaryotic DNA replicationGenome instability

摘要: The hereditary breast and ovarian cancer predisposition genes, BRCA1 BRCA2, participate in the repair of DNA double strand breaks by homologous recombination. Circumstantial evidence implicates these genes recombinational responses to polymerase stalling during S phase cell cycle. These play a key role preventing genomic instability cancer. Here, we review current literature implicating BRCA pathway HR at stalled replication forks explore hypothesis that BRCA2 resolution single stranded lesions termed "daughter gaps", generated across damaged template.

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