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BRD2 interconnects with BRD3 to facilitate Pol II transcription initiation and elongation to prime promoters for cell differentiation [ChIA-PET]

ABSTRACT: BRD2 interconnects with BRD3 to facilitate Pol II transcription initiation and elongation to prime promoters for cell differentiation [ChIA-PET]

PROVIDER: PRJNA673522 | ENA |

REPOSITORIES: ENA

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BRD2 interconnects with BRD3 to facilitate Pol II transcription initiation and elongation to prime promoters for cell differentiation [ChIA-PET]

Project description:Understanding the precise functions and relationship of BRD2 with other bromodomain and extraterminal motif (BET) proteins is central for the application of BET-specific and pan inhibitors. Here, we used acute protein degradation and quantitative genomic and proteomic approaches to investigate the primary functions of BRD2 in transcription. We report that BRD2 is required for TAF3-mediated Pol II initiation at low levels of H3K4me3-modified promoters and Pol II elongation by suppressing R-loops. Single and double depletion revealed that BRD2 and BRD3, but not BRD4, redundantly and independently function in Pol II transcription at different promoters and cooperatively occupy enhancers. Interestingly, we found that depletion of BRD2 affects the expression of different genes during differentiation processes, priming with promoter regulation in ES cells. Therefore, our results suggest complex interconnections between BRD2 and BRD3 at promoters to fine-tune Pol II initiation and elongation for control of cell state.

2022-06-13 | GSE160556 | GEO

BRD2 interconnects with BRD3 to facilitate Pol II transcription initiation and elongation to prime promoters for cell differentiation

2024-05-22 | PXD030774 | Pride

BRD2 interconnects with BRD3 to facilitate Pol II transcription initiation and elongation to prime promoters for cell differentiation [RNA-seq]

2022-06-13 | GSE160558 | GEO

BRD2 interconnects with BRD3 to facilitate Pol II transcription initiation and elongation to prime promoters for cell differentiation [ChIP-seq]

2022-06-13 | GSE160557 | GEO

BRD2 interconnects with BRD3 to facilitate Pol II transcription initiation and elongation to prime promoters for cell differentiation [4C-seq]

2022-06-13 | GSE160555 | GEO

BRD2 interconnects with BRD3 to facilitate Pol II transcription initiation and elongation to prime promoters for cell differentiation

Project description:BRD2 interconnects with BRD3 to facilitate Pol II transcription initiation and elongation to prime promoters for cell differentiation

| PRJNA673520 | ENA

BRD2 interconnects with BRD3 to facilitate Pol II transcription initiation and elongation to prime promoters for cell differentiation [4C-seq]

Project description:BRD2 interconnects with BRD3 to facilitate Pol II transcription initiation and elongation to prime promoters for cell differentiation [4C-seq]

| PRJNA673521 | ENA

BRD2 interconnects with BRD3 to facilitate Pol II transcription initiation and elongation to prime promoters for cell differentiation [RNA-seq]

Project description:BRD2 interconnects with BRD3 to facilitate Pol II transcription initiation and elongation to prime promoters for cell differentiation [RNA-seq]

| PRJNA673523 | ENA

BRD2 interconnects with BRD3 to facilitate Pol II transcription initiation and elongation to prime promoters for cell differentiation [ChIP-seq]

Project description:BRD2 interconnects with BRD3 to facilitate Pol II transcription initiation and elongation to prime promoters for cell differentiation [ChIP-seq]

| PRJNA673524 | ENA

Long-range chromatin interactions in mouse embryonic stem cells identified by ChIA-PET [ChIA-PET]

Project description:The pluripotent state of embryonic stem cells (ESCs) is produced by active transcription of cell identity genes and repression of genes encoding lineage-specifying developmental regulators. Here we use large ESC cohesin ChIA-PET datasets and other genomic data to identify the local chromosomal structures at both active and repressed genes across the genome. The results show that super-enhancer driven cell identity genes generally occur within large loops that are connected through CTCF-CTCF interaction sites occupied by cohesin. Smc1 ChIA-PET data from wild type murine embryonic stem cells V6.5 were generated by deep sequencing using Illumina Hi-Seq 2000.

2014-06-27 | E-GEOD-57911 | biostudies-arrayexpress

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