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SPT6 functions in transcriptional pause-release via PAF1C recruitment [ChIP-seq]

ABSTRACT: SPT6 functions in transcriptional pause-release via PAF1C recruitment [ChIP-seq]

PROVIDER: PRJNA834953 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR19077204.fastq.gz	Fastqsanger.gz
	SRR19077205.fastq.gz	Fastqsanger.gz
	SRR19077206.fastq.gz	Fastqsanger.gz
	SRR19077207.fastq.gz	Fastqsanger.gz
	SRR19077208.fastq.gz	Fastqsanger.gz

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SPT6 functions in transcriptional pause/release via PAF1C recruitment

Project description:In vitro studies identified various factors including P-TEFb, SEC, SPT6, PAF1, DSIF, and NELF functioning at different stages of transcription elongation driven by RNA polymerase II (RNA Pol II). What remains unclear is how these factors cooperatively regulate pause/release and productive elongation in the context of living cells. Using an acute 5 protein-depletion approach, prominent release and a subsequent increase in mature transcripts, whereas long genes fail to yield mature transcripts due to a loss of processivity. Mechanistically, loss of SPT6 results in loss of PAF1 complex (PAF1C) from RNA Pol II, leading to NELF-bound RNA Pol II release into the gene bodies. Furthermore, SPT6 and/or PAF1 depletion impairs heat shock-induced pausing, pointing to a role for SPT6 in regulating RNA Pol II pause/release through the recruitment of PAF1C during the early elongation.

2022-08-09 | PXD033771 | Pride

SPT6 functions in transcriptional pause-release via PAF1C recruitment [RNA-seq]

Project description:In vitro studies identified various factors including P-TEFb, SEC, SPT6, PAF1, DSIF, and NELF functioning at different stages of transcription elongation driven by RNA polymerase II (RNA Pol II). What remains unclear is how these factors cooperatively regulate pause/release and productive elongation in the context of living cells. Using an acute protein-depletion approach, we report that SPT6 depletion results in release of paused RNA Pol II. Short genes demonstrate a prominent release and a subsequent increase in mature transcripts, whereas long genes fail to yield mature transcripts due to a loss of processivity. Unexpectedly, the recruitment of PAF1 complex (PAF1C) to RNA Pol II fails upon SPT6 depletion, leading to the release of NELF-bound RNA Pol II into the gene bodies. Furthermore, SPT6 depletion impairs heat shock-induced pausing, pointing to a role for SPT6 in regulating RNA Pol II pause-release through PAF1C recruitment and NELF removal during the early elongation.

2022-08-09 | GSE202189 | GEO

SPT6 functions in transcriptional pause-release via PAF1C recruitment [PRO-seq]

Project description:In vitro studies identified various factors including P-TEFb, SEC, SPT6, PAF1, DSIF, and NELF functioning at different stages of transcription elongation driven by RNA polymerase II (RNA Pol II). What remains unclear is how these factors cooperatively regulate pause/release and productive elongation in the context of living cells. Using an acute protein-depletion approach, we report that SPT6 depletion results in release of paused RNA Pol II. Short genes demonstrate a prominent release and a subsequent increase in mature transcripts, whereas long genes fail to yield mature transcripts due to a loss of processivity. Unexpectedly, the recruitment of PAF1 complex (PAF1C) to RNA Pol II fails upon SPT6 depletion, leading to the release of NELF-bound RNA Pol II into the gene bodies. Furthermore, SPT6 depletion impairs heat shock-induced pausing, pointing to a role for SPT6 in regulating RNA Pol II pause-release through PAF1C recruitment and NELF removal during the early elongation.

2022-08-09 | GSE202187 | GEO

SPT6 functions in transcriptional pause-release via PAF1C recruitment [ChIP-seq]

Project description:In vitro studies identified various factors including P-TEFb, SEC, SPT6, PAF1, DSIF, and NELF functioning at different stages of transcription elongation driven by RNA polymerase II (RNA Pol II). What remains unclear is how these factors cooperatively regulate pause/release and productive elongation in the context of living cells. Using an acute protein-depletion approach, we report that SPT6 depletion results in release of paused RNA Pol II. Short genes demonstrate a prominent release and a subsequent increase in mature transcripts, whereas long genes fail to yield mature transcripts due to a loss of processivity. Unexpectedly, the recruitment of PAF1 complex (PAF1C) to RNA Pol II fails upon SPT6 depletion, leading to the release of NELF-bound RNA Pol II into the gene bodies. Furthermore, SPT6 depletion impairs heat shock-induced pausing, pointing to a role for SPT6 in regulating RNA Pol II pause-release through PAF1C recruitment and NELF removal during the early elongation.

2022-08-09 | GSE202184 | GEO

SPT6 functions in transcriptional pause-release via PAF1C recruitment

Project description:SPT6 functions in transcriptional pause-release via PAF1C recruitment

| PRJNA834956 | ENA

SPT6 functions in transcriptional pause-release via PAF1C recruitment [RNA-seq]

Project description:SPT6 functions in transcriptional pause-release via PAF1C recruitment [RNA-seq]

| PRJNA834960 | ENA

SPT6 functions in transcriptional pause-release via PAF1C recruitment [PRO-seq]

Project description:SPT6 functions in transcriptional pause-release via PAF1C recruitment [PRO-seq]

| PRJNA834961 | ENA

SPT6 functions in transcriptional pause/release via PAF1C recruitment.

Project description:It is unclear how various factors functioning in the transcriptional elongation by RNA polymerase II (RNA Pol II) cooperatively regulate pause/release and productive elongation in living cells. Using an acute protein-depletion approach, we report that SPT6 depletion results in the release of paused RNA Pol II into gene bodies through an impaired recruitment of PAF1C. Short genes demonstrate a release with increased mature transcripts, whereas long genes are released but fail to yield mature transcripts, due to a reduced processivity resulting from both SPT6 and PAF1C loss. Unexpectedly, SPT6 depletion causes an association of NELF with the elongating RNA Pol II on gene bodies, without any observed functional significance on transcriptional elongation pattern, arguing against a role for NELF in keeping RNA Pol II in the paused state. Furthermore, SPT6 depletion impairs heat-shock-induced pausing, pointing to a role for SPT6 in regulating RNA Pol II pause/release through PAF1C recruitment.

| S-EPMC9714687 | biostudies-literature

SPT6 functions in transcriptional pause-release via PAF1C recruitment

Project description:This SuperSeries is composed of the SubSeries listed below.

2022-08-09 | GSE202190 | GEO

Brd4 and JMJD6-associated Anti-pause Enhancers in Regulation of Transcriptional Pause Release

Project description:Distal enhancers characterized by H3K4me1 mark play critical roles in developmental and transcriptional programs. However, potential roles of specific distal regulatory elements in regulating RNA Polymerase II (Pol II) promoter-proximal pause release remain poorly investigated. Here we report that a unique cohort of jumonji C domain-containing protein 6 (JMJD6) and bromodomain-containing protein 4 (Brd4) co-bound distal enhancers, termed anti-pause enhancers (A-PEs), regulate promoter-proximal pause release of a large subset of transcription units via long-range interactions. Brd4-dependent JMJD6 recruitment on A-PEs mediates erasure of H4R3me2(s), which is directly read by 7SK snRNA, and decapping/demethylation of 7SK snRNA, ensuring the dismissal of the 7SKsnRNA/HEXIM inhibitory complex. The interactions of both JMJD6 and Brd4 with the P-TEFb complex permit its activation and pause release of regulated coding genes. The functions of JMJD6/ Brd4-associated dual histone and RNA demethylase activity on anti-pause enhancers have intriguing implications for these proteins in development, homeostasis and disease. All Gro-seq(s) were designed to reveal the transcriptional targets of JMJD6 and Brd4, and assess the role of JMJD6 and Brd4 in Pol II promoter-proximal pause release. All ChIP-seq(s) were designed to understand the unique features, associated molecular mechanisms and functions of the anti-pause enhancers (A-PEs) discovered in the current study.

2014-01-14 | E-GEOD-51633 | biostudies-arrayexpress

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