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The Scc2NIPBL/Scc4MAU2 complex acts in sister chromatid cohesion and transcriptional regulation by maintaining nucleosome-free regions [ChIP-seq]

ABSTRACT: The Scc2/Scc4 complex binds to broad nucleosome-free regions in the promoters of highly expressed genes. The cohesin loader is recruited to these sites by the RSC chromatin remodeling complex

ORGANISM(S): Saccharomyces cerevisiae

PROVIDER: GSE56993 | GEO | 2014/08/01

SECONDARY ACCESSION(S): PRJNA245182

REPOSITORIES: GEO

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The Scc2NIPBL/Scc4MAU2 complex acts in sister chromatid cohesion and transcriptional regulation by maintaining nucleosome-free regions [ChIP-seq]

Project description:The Scc2/Scc4 complex binds to broad nucleosome-free regions in the promoters of highly expressed genes. The cohesin loader is recruited to these sites by the RSC chromatin remodeling complex ChIp- Sequencing analysis of the distribution of Scc2 and Scc4 on budding yeast chromosomes.An input sample was analysed as a control.

2014-08-01 | E-GEOD-56993 | biostudies-arrayexpress

The Scc2NIPBL/Scc4MAU2 complex acts in sister chromatid cohesion and transcriptional regulation by maintaining nucleosome-free regions [microarray]

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The Scc2NIPBL/Scc4MAU2 complex acts in sister chromatid cohesion and transcriptional regulation by maintaining nucleosome-free regions [Mnase-seq]

2014-08-01 | GSE56992 | GEO

The Scc2NIPBL/Scc4MAU2 complex acts in sister chromatid cohesion and transcriptional regulation by maintaining nucleosome-free regions [microarray]

Project description:The Scc2/Scc4 complex binds to broad nucleosome-free regions in the promoters of highly expressed genes. The cohesin loader is recruited to these sites by the RSC chromatin remodeling complex Total RNA was isolated from wt, scc2-4 and sth1-3 cells at 25Â°C and 37Â°C. dscDNA was obtained using the IVT system (Invitrogen) and hybridized to Affymetrix Yeast Genome 2.0 Arrays to analyze the expression profile of wt, scc2-4 and sth1-3 cells.

2014-08-01 | E-GEOD-56991 | biostudies-arrayexpress

The Scc2NIPBL/Scc4MAU2 complex acts in sister chromatid cohesion and transcriptional regulation by maintaining nucleosome-free regions [Mnase-seq]

Project description:The Scc2/Scc4 complex binds to broad nucleosome-free regions in the promoters of highly expressed genes. The cohesin loader is recruited to these sites by the RSC chromatin remodeling complex MNase digestion of purified DNA followed by paired-end sequencing was performed in order to investigate genome-wide nucleosomal positioning in S. cerevisiae under multiple experimental conditions.

2014-08-01 | E-GEOD-56992 | biostudies-arrayexpress

Functional crosstalk between the cohesin loader and a chromatin remodeler

Project description:The Scc2-Scc4 complex interacts with a conserved RSC ATPase motor module. The cohesin loader enhances RSC remodeling activity in vitro and promoter nucleosome eviction in vivo.

2022-03-01 | GSE197657 | GEO

A Role for Chromatin Remodeling in Cohesin Loading onto Chromosomes

Project description:The RSC chromatin remodeling complex recruits the cohesin loader Scc2-Scc4 by a direct protein interaction. Nucleosome-free DNA is the substrate for the cohesin loading reaction.

2019-03-19 | GSE117881 | GEO

Functional crosstalk between the cohesin loader and chromatin remodelers

Project description:The cohesin complex has crucial roles in many structural and functional aspects of chromosomes including sister chromatid cohesion, genome organization, gene transcription and DNA repair. Cohesin recruitment onto chromosomes requires nucleosome free DNA and a specialized cohesin loader complex comprised of the Scc2 and Scc4 subunits. The cohesin loader, in addition to stimulating cohesin ATP hydrolysis and facilitating topological loading onto DNA, leads cohesin to chromatin receptors such as the RSC chromatin remodeling complex. Here, we explore the cohesin loader-RSC interaction and show that its Scc4 subunit contacts a conserved RSC ATPase motor module. The cohesin loader enhances RSC chromatin remodeling activity in vitro, as well as promoter nucleosome eviction in vivo. These findings provide insight into how the cohesin loader recognizes, as well as influences, the chromatin landscape, with implications for our understanding of human developmental disorders including Cornelia de Lange and Coffin-Siris syndromes.

2022-11-29 | PXD033446 | Pride

ChIP Seq Analysis of SCC2 in the Presence or Absence of MED14 in Saccharomyces cerevisiae

Project description:The ring-like cohesin complex plays an essential role in chromosome segregation, organization, and double-strand break repair through its ability to bring two DNA double helices together. Scc2 (NIPBL in humans) together with Scc4 function as the loader of cohesin onto chromosomes. Chromatin adapters such as the RSC complex facilitate localization of the Scc2-Scc4 cohesin loader. Here we identify a broad range of Scc2- chromatin protein interactions that are evolutionarily conserved and reveal a role for one complex, Mediator, in recruitment of the cohesin loader. We identified budding yeast Med14, a subunit of the Mediator complex, as a high copy suppressor of poor growth in Scc2 mutant strains. Physical and genetic interactions between Scc2 and Mediator are functionally substantiated in direct recruitment and cohesion assays. Depletion of Med14 results in defective sister chromatid cohesion and decreased binding of Scc2 at RNA Pol II transcribed genes. Previous work has suggested that Mediator, Nipbl, and cohesin connect enhancers and promoters of active mammalian genes. Our studies suggest an evolutionarily conserved fundamental role for Mediator in direct recruitment of Scc2 to RNA pol II transcribed genes. We identified two mutations in the evolutionarily conserved HEAT domain of SCC2 that result in significantly reduced growth, scc2R787G and scc2G1242V. This experiment uses ChIP Seq to examine global localization of Scc2 in the presence or absence of MED14.

2022-05-25 | GSE201193 | GEO

RNA Seq analysis of SCC2 mutations R787G and G1242V at 9 hours following SCC2 depletion in Saccharomyces cerevisiae

Project description:The ring-like cohesin complex plays an essential role in chromosome segregation, organization, and double-strand break repair through its ability to bring two DNA double helices together. Scc2 (NIPBL in humans) together with Scc4 function as the loader of cohesin onto chromosomes. Chromatin adapters such as the RSC complex facilitate localization of the Scc2-Scc4 cohesin loader. Here we identify a broad range of Scc2- chromatin protein interactions that are evolutionarily conserved and reveal a role for one complex, Mediator, in recruitment of the cohesin loader. We identified budding yeast Med14, a subunit of the Mediator complex, as a high copy suppressor of poor growth in Scc2 mutant strains. Physical and genetic interactions between Scc2 and Mediator are functionally substantiated in direct recruitment and cohesion assays. Depletion of Med14 results in defective sister chromatid cohesion and decreased binding of Scc2 at RNA Pol II transcribed genes. Previous work has suggested that Mediator, Nipbl, and cohesin connect enhancers and promoters of active mammalian genes. Our studies suggest an evolutionarily conserved fundamental role for Mediator in direct recruitment of Scc2 to RNA pol II transcribed genes. We identified two mutations in the evolutionarily conserved HEAT domain of SCC2 that result in significantly reduced growth, scc2R787G and scc2G1242V. This experiment uses RNA-Seq analysis to study the effect of these mutations on gene expression.

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