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A BRD4-mediated elongation control point primes transcribing RNA polymerase II for 3'-processing and termination [nascONT-seq]

ABSTRACT: A BRD4-mediated elongation control point primes transcribing RNA polymerase II for 3'-processing and termination [nascONT-seq]

PROVIDER: PRJNA667102 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR12766537_1.fastq.gz	Fastqsanger.gz
	SRR12766538_1.fastq.gz	Fastqsanger.gz
	SRR12766539_1.fastq.gz	Fastqsanger.gz
	SRR12766540_1.fastq.gz	Fastqsanger.gz
	SRR12766541_1.fastq.gz	Fastqsanger.gz

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A BRD4-mediated elongation control point primes transcribing RNA polymerase II for 3'-processing and termination [nascONT-seq]

Project description:In this study, we reveal that BRD4 underlies a general 5'-elongation checkpoint that primes transcribing RNA polymerase II for 3'-RNA processing and transcription termination. BRD4-specific degradation impairs Pol II pause release, induces massive readthrough transcription, and RNA cleavage defects. Acute loss of BRD4 disrupts the recruitment of 3'-RNA processing factors.

2021-07-30 | GSE158964 | GEO

A BRD4-mediated elongation control point primes transcribing RNA polymerase II for 3'-processing and termination [ChIP-seq]

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A BRD4-mediated elongation control point primes transcribing RNA polymerase II for 3'-processing and termination [NET-seq]

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A BRD4-mediated elongation control point primes transcribing RNA polymerase II for 3'-processing and termination

Project description:A BRD4-mediated elongation control point primes transcribing RNA polymerase II for 3'-processing and termination

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A BRD4-mediated elongation control point primes transcribing RNA polymerase II for 3'-processing and termination [ChIP-seq]

Project description:A BRD4-mediated elongation control point primes transcribing RNA polymerase II for 3'-processing and termination [ChIP-seq]

| PRJNA667101 | ENA

A BRD4-mediated elongation control point primes transcribing RNA polymerase II for 3'-processing and termination [NET-seq]

Project description:A BRD4-mediated elongation control point primes transcribing RNA polymerase II for 3'-processing and termination [NET-seq]

| PRJNA667099 | ENA

A BRD4-mediated elongation control point primes transcribing RNA polymerase II for 3'-processing and termination

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

2021-07-30 | GSE158966 | GEO

CTD tyrosine phosphorylation impairs termination factor recruitment to transcribing RNA polymerase II

Project description:ChIP-chip was performed to identify the genomic binding locations for the termination factors Nrd1, and Rtt103, and for RNA polymerase (Pol) II phosphorylated at the tyrosine 1 and threonine 4 position of its C-terminal domain (CTD). In different phases of the transcription cycle, Pol II recruits different factors via its CTD, which consists of heptapeptide repeats with the sequence Tyr1-Ser2-Pro3-Thr4-Ser5-Pro6-Ser7. Here we show that the CTD of transcribing yeast Pol II is phosphorylated at Tyr1, and that this impairs recruitment of termination factors. Tyr1 phosphorylation levels rise downstream of the transcription start site (TSS), and decrease before the polyadenylation (pA) site. Tyr1-phosphorylated gene bodies are depleted of CTD-binding termination factors Nrd1, Pcf11, and Rtt103. Tyr1 phosphorylation blocks CTD binding by these termination factors, but stimulates binding of elongation factor Spt6. These results show that CTD modifications can not only stimulate but also block factor recruitment, and lead to an extended CTD code for transcription cycle coordination.

2012-06-29 | E-MTAB-1060 | biostudies-arrayexpress

High-resolution mapping of transcribing RNAPIII by CRAC upon depletion of Nrd1 [Experiment 2]

Project description:Here we report high-resolution analyses of transcribing RNAPIII in either a wild-type (WT) background or a Nrd1 auxin-inducible degron (AID) strain in which Nrd1 can be rapidly depleted upon addition of the auxin analogue Indole-3-acetic acid (IAA). Nrd1 functions together with Sen1 in transcription termination at RNAPII-dependent non-coding genes. Here we show that depletion of Nrd1 does not affect transcription termination at RNAPIII-dependent genes, indicating that Nrd1 is not an RNAPIII transcription termination factor.

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Project description:Here we report high-resolution analyses of transcribing RNA polymerase III (Pol III) in a wild-type (WT) strain and three C128 mutants. C128 is the second largest subunit of Pol III, which is the key subunit to recognize termination signal. Mutating key residues in C128 interferes with transcription termination in vitro and affect yeast viability as well, raising the question that whether these mutations provoke Pol III termination defects in vivo. Here we show that C128 mutants display termination defects at most PolIII-dependent genes, indicating that the most disruptive C128 mutations indeed impair Pol III transcription termination in vivo

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