A kinase's work is never done: Rad53 monitors chromatin near replication origins
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Eukaryotic cells use multiple replication origins to replicate their large genomes. Some origins fire early during S phase whereas others fire late. In Saccharomyces cerevisiae, initiator sequences (ARSs) are bound by the origin recognition complex (ORC). Cdc6p synthesized at the end of mitosis joins ORC and facilitates recruitment of Mcm proteins, which renders origins competent to fire. Howev...
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UNLABELLED DNA lesions in the template strand block the replication fork. In Saccharomyces cerevisiae, replication through DNA lesions occurs via a Rad6/Rad18-dependent pathway where lesions can be bypassed by the action of translesion synthesis (TLS) DNA polymerases η and ζ or by Rad5-mediated template switching. An alternative Rad6/Rad18-independent but Rad52-dependent template switching path...
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DNA replication initiates at chromosomal positions called replication origins. This review will focus on the activity, regulation and roles of replication origins in Saccharomyces cerevisiae. All eukaryotic cells, including S. cerevisiae, depend on the initiation (activity) of hundreds of replication origins during a single cell cycle for the duplication of their genomes. However, not all origi...
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We have used micrococcal nuclease (MNase) digestion followed by deep sequencing in order to obtain a higher resolution map than previously available of nucleosome positions in the fission yeast, Schizosaccharomyces pombe. Our data confirm an unusually short average nucleosome repeat length, ∼152 bp, in fission yeast and that transcriptional start sites (TSSs) are associated with nucleosome-depl...
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ژورنال
عنوان ژورنال: Cell Cycle
سال: 2011
ISSN: 1538-4101,1551-4005
DOI: 10.4161/cc.10.4.14843