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A Long Noncoding RNA Regulates Sister Chromatid Cohesion.

ABSTRACT: Long noncoding RNAs (lncRNAs) are involved in diverse cellular processes through multiple mechanisms. Here, we describe a previously uncharacterized human lncRNA, CONCR (cohesion regulator noncoding RNA), that is transcriptionally activated by MYC and is upregulated in multiple cancer types. The expression of CONCR is cell cycle regulated, and it is required for cell-cycle progression and DNA replication. Moreover, cells depleted of CONCR show severe defects in sister chromatid cohesion, suggesting an essential role for CONCR in cohesion establishment during cell division. CONCR interacts with and regulates the activity of DDX11, a DNA-dependent ATPase and helicase involved in DNA replication and sister chromatid cohesion. These findings unveil a direct role for an lncRNA in the establishment of sister chromatid cohesion by modulating DDX11 enzymatic activity.

SUBMITTER: Marchese FP

PROVIDER: S-EPMC5893147 | biostudies-literature | 2016 Aug

REPOSITORIES: biostudies-literature

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A Long Noncoding RNA Regulates Sister Chromatid Cohesion.

Marchese Francesco P FP Grossi Elena E Marín-Béjar Oskar O Bharti Sanjay Kumar SK Raimondi Ivan I González Jovanna J Martínez-Herrera Dannys Jorge DJ Athie Alejandro A Amadoz Alicia A Brosh Robert M RM Huarte Maite M

Molecular cell 20160728 3

Long noncoding RNAs (lncRNAs) are involved in diverse cellular processes through multiple mechanisms. Here, we describe a previously uncharacterized human lncRNA, CONCR (cohesion regulator noncoding RNA), that is transcriptionally activated by MYC and is upregulated in multiple cancer types. The expression of CONCR is cell cycle regulated, and it is required for cell-cycle progression and DNA replication. Moreover, cells depleted of CONCR show severe defects in sister chromatid cohesion, suggest ...[more]

PMID: 27477908

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