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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Transcription factor binding and epigenetic modifications during NuRD complex induction

ABSTRACT: Molecular functions of the Nucleosome Remodeling and Deacetylation (NuRD) complex in the control of gene expression were investigated using an inducible system to direct its assembly in embryonic stem cells. This dataset maps time-resolved DNA association of NuRD complex members, pluripotency factors, components of the RNA polymerase II machinery and changes to histone modifications.

INSTRUMENT(S): Illumina HiSeq 4000

ORGANISM(S): Mus musculus

SUBMITTER: Paul Bertone

PROVIDER: E-MTAB-6804 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Transcriptional activity during NuRD complex induction

Project description:Molecular functions of the Nucleosome Remodeling and Deacetylation (NuRD) complex in the control of gene expression were investigated using an inducible system to direct its assembly in embryonic stem cells. This dataset profiles time-resolved transcriptional changes in response to NuRD induction.

2018-05-31 | E-MTAB-6806 | biostudies-arrayexpress

Nascent transcription during NuRD complex induction

Project description:Molecular functions of the Nucleosome Remodeling and Deacetylation (NuRD) complex in the control of gene expression were investigated using an inducible system to direct its assembly in embryonic stem cells. This dataset profiles nascent RNA transcription in response to NuRD induction.

2018-05-31 | E-MTAB-6805 | biostudies-arrayexpress

Nucleosome occupancy during NuRD complex induction

Project description:Molecular functions of the Nucleosome Remodeling and Deacetylation (NuRD) complex in the control of gene expression were investigated using an inducible system to direct its assembly in embryonic stem cells. This dataset identifies genome-wide changes in nucleosome positioning at sites of NuRD association.

2018-05-31 | E-MTAB-6807 | biostudies-arrayexpress

Promoter Decommissioning by the NuRD Chromatin Remodeling Complex Triggers Synaptic Connectivity in the Mammalian Brain

Project description:Precise control of gene expression plays fundamental roles in brain development, but the roles of chromatin regulators in neuronal connectivity have remained poorly understood. Here, we find that depletion of the nucleosome remodeling and deacetylation (NuRD) complex in the cerebellar cortex by in vivo RNAi in rats and conditional knockout of the core NuRD subunit Chd4 in mice profoundly impairs the establishment of granule neuron parallel fiber/Purkinje cell synapses. In RNA-Seq analyses of Chd4 conditional knockout mice, we identify a set of nearly 200 genes that are repressed by the NuRD complex in the cerebellum in vivo. Genome-wide ChIP-Seq analyses reveal that the NuRD complex selectively decommissions the promoters of NuRD-repressed genes in the cerebellum in vivo by inducing the deacetylation of histone H3K9/14 and H3K27 and demethylation of H3K4 at these genes. Importantly, temporal control of promoter decommissioning and repression of NuRD target genes upon maturation of the cerebellum requires the NuRD complex. Finally, in a targeted in vivo RNAi screen of NuRD-repressed target genes, we identify the transcription factor Nhlh1, the RNA-binding protein Elavl2, and the presynaptic regulator Cplx3 as negative regulators of presynaptic differentiation in the cerebellar cortex. Together, these findings define NuRD-dependent promoter decommissioning as a developmentally regulated programming mechanism that releases the brake on presynaptic differentiation and thereby drives synaptic connectivity in the mammalian brain. Three distinct histone modifications using postnatal day 6 or day 22 cerebella from wild type (WT) or Chd4 conditional knockout (cKO) mice were examined in duplicate using libraries prepared with the Illumina ChIP-Seq DNA Sample Prep Kit and sequenced on the Illumina HiSeq 2000 platform.

2014-08-18 | E-GEOD-57758 | biostudies-arrayexpress

NuRD-mediated gene repression in mouse embryonic stem cells

Project description:To obtain a global view of NuRD-mediated transcriptional regulation, gene expression profiles of wild-type and Mbd3-null ES cells were compared by microarray analysis. In the absence of Mbd3, which encodes a core structural component of NuRD, the complex does not form and embryonic development stalls at the implantation stage.

2012-03-13 | E-MTAB-888 | biostudies-arrayexpress

NuRD-mediated gene repression in mouse embryonic stem cells

2012-03-13 | E-MTAB-889 | biostudies-arrayexpress

Promoter Decommissioning by the NuRD Chromatin Remodeling Complex Triggers Synaptic Connectivity in the Mammalian Brain

2014-08-18 | GSE57758 | GEO

The NuRD complex suppresses transcriptional noise during lineage commitment [ChIP-Seq]

Project description:Here we set out to define the biochemical and functional diversity encoded by one such group of proteins within the mammalian Nucleosome Remodelling and Deacetylation (NuRD) complex: Mta1, Mta2 and Mta3. We find that, in contrast to what has been described in somatic cells, MTA proteins are not mutually exclusive within ES cell NuRD and, despite subtle differences in chromatin binding and biochemical interactions, serve largely redundant functions. ES cells lacking all three MTA proteins represent a complete NuRD null and are viable, allowing us to identify a highly previously unreported function for NuRD in reducing transcriptional noise, which is essential for maintaining a proper differentiation trajectory during early stages of lineage commitment.

2019-04-17 | GSE122830 | GEO

The NuRD complex suppresses transcriptional noise during lineage commitment [RNA-Seq]

2019-04-17 | GSE122696 | GEO

PWWP2A variant NuRD complex represses intragenic spurious transcription initiation

Project description:H3 trimethylation at K36 deposited over the body of actively transcribed gene, is recognized by readers to modulate the epigenetic states, such as DNA methylation and histone deacetylation, to ensure the proper gene transcription. PWWP2A was identified as the reading component of variant NuRD complex to deacetylate gene bodies in mammalian cells. However, whether this deacetylation affects intragenic transcription is not investigated. Here, we performed CAGE-seq to profile transcription initiation in PWWP2A/B double knockout and fount that intragenic spurious transcription initiations at pre-existing low-level initiation from highly expressed genes were enhanced, accompanying with elevated acetylation level at H3K9 and H3K27, as well as nascent transcription. Additionally, the intragenic spurious transcriptions in PWWP2A/B loss are distinct with those in DNMT3B loss which is prone to produce de novo initiation and lack of PWWP2A/B-related chromatin changes. Collectively, PWWP2A/B-NuRD complex deacetylates active gene bodies to suppress intragenic spurious transcription in mammals.

2020-09-15 | GSE148382 | GEO

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