2012
DOI: 10.1038/nsmb.2339
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Unraveling cell type–specific and reprogrammable human replication origin signatures associated with G-quadruplex consensus motifs

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Cited by 382 publications
(541 citation statements)
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“…The majority of the ORC binding sites coincide with transcription regulatory elements, such as promoters and transcriptional enhancers [85]. The preference of ORC to bind to open chromatin also explains a high correlation between the ORC binding sites and the binding sites of various transcription factors, which has been described previously [86,93,94]. This feature of ORC binding to chromatin leads to the fact that, in euchromatin, ORC binding sites are located much closer to each other, and thus more often, than those in heterochromatin.…”
Section: Replication Timingmentioning
confidence: 72%
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“…The majority of the ORC binding sites coincide with transcription regulatory elements, such as promoters and transcriptional enhancers [85]. The preference of ORC to bind to open chromatin also explains a high correlation between the ORC binding sites and the binding sites of various transcription factors, which has been described previously [86,93,94]. This feature of ORC binding to chromatin leads to the fact that, in euchromatin, ORC binding sites are located much closer to each other, and thus more often, than those in heterochromatin.…”
Section: Replication Timingmentioning
confidence: 72%
“…The analysis of the origin activity revealed an existence of more than 80,000 of origins that were active in various human and mouse ESC lines. Furthermore, about 35% of them were shared across several cell lines [86]. Thus, ORC has an excess of potential binding sites, which enables a high plasticity of the replication.…”
Section: Replication Timingmentioning
confidence: 99%
“…Ainsi, l'initiation de la réplication se produit dans des régions (ou zones) particulières et de manière bidirectionnelle. Les origines de réplication sont souvent associées à des éléments régulateurs de la transcription, comme les promoteurs et les séquences cis-régulatrices, suggérant que les mécanismes impliqués dans la régulation de la transcription pourraient également s'appliquer à la régulation de l'initiation de la réplication [4][5][6][7][8][9][10]. Une analyse plus approfondie des données démontre, toutefois, que les mécanismes de recrutement du complexe ORC et d'initiation de la réplication diffèrent d'une espèce à l'autre [3].…”
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“…Chez les eucaryotes, l'étape initiale consiste en l'assemblage du complexe de pré-réplication (pré-RC) au cours de la phase G1 du cycle cellulaire. Ce complexe est formé par l'assemblage successif du complexe ORC1-6 (origin recognition complex [1][2][3][4][5][6], des protéines CDC6 (cell division cycle 6) et CDT1 (chromatin licensing and DNA replication factor 1), et finalement de deux complexes MCM2-7 (mini-chromosome maintenance 2-7) [1]. À l'entrée en phase S, l'activation des kinases CDK2 (cyclin dependent kinase 2) et CDC7 (cell division cycle 7-related protein kinase) conduit au recrutement des facteurs d'initiation de la réplication et à la duplication de l'ADN [1,2].…”
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