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TFIIIC and MYCN link the three-dimensional chromatin structure of promoters to transcription termination of stalled RNA polymerase (HiC HiChIP)

ABSTRACT: TFIIIC and MYCN link the three-dimensional chromatin structure of promoters to transcription termination of stalled RNA polymerase (HiC HiChIP)

PROVIDER: PRJNA924773 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR23099718_1.fastq.gz	Fastqsanger.gz
	SRR23099718_2.fastq.gz	Fastqsanger.gz
	SRR23099719_1.fastq.gz	Fastqsanger.gz
	SRR23099719_2.fastq.gz	Fastqsanger.gz
	SRR23099720_1.fastq.gz	Fastqsanger.gz

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TFIIIC and MYCN link the three-dimensional chromatin structure of promoters to transcription termination of stalled RNA polymerase (HiC HiChIP)

Project description:MYC proteins bind to virtually all active promoters transcribed by RNA polymerase II (RNAPII), but whether they interact with the three-dimensional chromatin architecture is unknown. Here we used HiChIP sequencing of the MYCN oncoprotein and found that MYCN localizes to three-dimensional hubs formed by active promoters and enhancers. In these hubs, MYCN interacts with TFIIIC, an architectural protein complex. MYCN recruits TFIIIC to promoters when transcription elongation is inhibited, and the complex of both proteins induces premature transcription termination. Termination correlates closely with the TFIIIC-dependent removal of MYCN from promoter hubs and with corresponding alterations in the three-dimensional interactions of cohesin complexes. This limits DNA damage by removing RNAPII that stalls proximal to double-strand breaks. Binding of TFIIIC to MYCN is limited by competition with Aurora-A and this protects genes involved in mRNA processing from termination, arguing that MYCN contributes to the unusual proliferative capacity of neuroblastoma cells via removing stalled RNAPII from promoter hubs and via increasing the capacity for RNA processing.

2024-07-15 | GSE223054 | GEO

TFIIIC and MYCN link the three-dimensional chromatin structure of promoters to transcription termination of stalled RNA polymerase (ChIPseq CnR)

2024-07-15 | GSE223052 | GEO

TFIIIC and MYCN link the three-dimensional chromatin structure of promoters to transcription termination of stalled RNA polymerase (RNA-Seq)

2024-07-15 | GSE223057 | GEO

TFIIIC and MYCN link the three-dimensional chromatin structure of promoters to transcription termination of stalled RNA polymerase

Project description:TFIIIC and MYCN link the three-dimensional chromatin structure of promoters to transcription termination of stalled RNA polymerase

| PRJNA924767 | ENA

TFIIIC and MYCN link the three-dimensional chromatin structure of promoters to transcription termination of stalled RNA polymerase (ChIPseq CnR)

Project description:TFIIIC and MYCN link the three-dimensional chromatin structure of promoters to transcription termination of stalled RNA polymerase (ChIPseq CnR)

| PRJNA924775 | ENA

TFIIIC and MYCN link the three-dimensional chromatin structure of promoters to transcription termination of stalled RNA polymerase (RNA-Seq)

Project description:TFIIIC and MYCN link the three-dimensional chromatin structure of promoters to transcription termination of stalled RNA polymerase (RNA-Seq)

| PRJNA924772 | ENA

TFIIIC and MYCN link the three-dimensional chromatin structure of promoters to transcription termination of stalled RNA polymerase

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

2024-07-15 | GSE223058 | GEO

TFIIIC dinamically binds Alu elements to control gene expression through chromatin looping

Project description:Folding of the mammalian genome is governed by architectural proteins, such asCTCF. TFIIIC, a RNA polymerase III transcription factor, has been identified as aninsulator but its role in genome topology is totally unknown. Here, we show that TFIIICestablishes long-range genomic interactions that affect gene expression. Upon serumstarvation (SS), TFIIIC occupancy increases at Alu elements (AEs) near promoters ofcell cycle-related genes. Bound AEs become H3K18 hyper-acetylated and fold tocontact distal pre-loaded CTCF sites near other cell cycle genes. The promoters ofthese genes also become hyper-acetylated ensuring their basal transcription during SSand their increased expression during serum re-exposure. Ablation of TFIIIC ordeletion of the TFIIIC-bound AE that loops to the G2/M cycling F (CCNF) locus affectsits expression and nuclear positioning. These results illustrate a novel function ofhuman TFIIIC in changing 3D genome topology through the epigenetic state of AEs.

2020-05-26 | PXD011250 | Pride

A role for TFIIIC transcription factor complex in genome organization

Project description:ChIP-chip analyses of TFIIIC subunit, Sfc6, and RNA Polymerase III subunit, Rpc130, across the S. pombe genome. Keywords: ChIP-chip

2006-06-07 | GSE4555 | GEO

Genome-wide nucleosome, TFIIIC and TFIIIB occupancies in Saccharomyces cerevisiae

Project description:Paired-end sequencing study of nucleosomes and immuno-precipitated Tfc1 and Brf1 complexes from MNase-digested nuclei. Nucleosomal DNA, input DNA and DNA from immunopurified TFIIIB and TFIIIC complexes (IP) were subjected to paired-end sequencing.

2013-07-17 | E-GEOD-44586 | biostudies-arrayexpress

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