Looke M, et al. (2013) Chromatin-dependent and -independent regulation of DNA replication origin activation in budding yeast. EMBO Rep 14(2):191-8
Abstract: To elucidate the role of the chromatin environment in the regulation of replication origin activation, autonomously replicating sequences were inserted into identical locations in the budding yeast genome and their activation times in S phase determined. Chromatin-dependent origins adopt to the firing time of the surrounding locus. In contrast, the origins containing two binding sites for Forkhead transcription factors are activated early in the S phase regardless of their location in the genome. Our results also show that genuinely late-replicating parts of the genome can be converted into early-replicating loci by insertion of a chromatin-independent early replication origin, ARS607, whereas insertion of two Forkhead-binding sites is not sufficient for conversion.
|Status: Published||Type: Journal Article||PubMed ID: 23222539|
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