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ATRX promotes heterochromatin formation to protect cells from G-quadruplex DNA-mediated stress

ABSTRACT: ATRX promotes heterochromatin formation to protect cells from G-quadruplex DNA-mediated stress

PROVIDER: PRJNA634521 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR11831482_1.fastq.gz	Fastqsanger.gz
	SRR11831482_2.fastq.gz	Fastqsanger.gz
	SRR11830883_1.fastq.gz	Fastqsanger.gz
	SRR11830883_2.fastq.gz	Fastqsanger.gz
	SRR11831483_1.fastq.gz	Fastqsanger.gz

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ATRX promotes heterochromatin formation to protect cells from G-quadruplex DNA-mediated stress [ATAC-Seq]

Project description:We analyze the contribution of ATRX, DAXX and HIRA to the chromatin accessibility at G-quadruplex in mESC We analyze the contribution of ATRX and ESET to the chromatin accessibility at G-quadruplex in mESC

2021-05-17 | GSE151053 | GEO

ATRX promotes heterochromatin formation to protect cells from G-quadruplex DNA-mediated stress [ChIP-Seq]

Project description:ATRX promotes heterochromatin formation to protect cells from G-quadruplex DNA-mediated stress [ChIP-Seq]

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ATRX promotes heterochromatin formation to protect cells from G-quadruplex DNA-mediated stress [CUT&Tag]

Project description:ATRX promotes heterochromatin formation to protect cells from G-quadruplex DNA-mediated stress [CUT&Tag]

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ATRX promotes heterochromatin formation to protect cells from G-quadruplex DNA-mediated stress [ATAC-Seq]

Project description:ATRX promotes heterochromatin formation to protect cells from G-quadruplex DNA-mediated stress [ATAC-Seq]

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ATRX promotes heterochromatin formation to protect cells from G-quadruplex DNA-mediated stress [EdU-seq]

Project description:ATRX promotes heterochromatin formation to protect cells from G-quadruplex DNA-mediated stress [EdU-seq]

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ATRX promotes heterochromatin formation to protect cells from G-quadruplex DNA-mediated stress [CUT&Tag]

Project description:We analyze G-quadruplex enrichment in ATRX KO mESC

2021-05-17 | GSE171461 | GEO

ATRX promotes heterochromatin formation to protect cells from G-quadruplex DNA-mediated stress [EdU-seq]

Project description:We analyze the contribution of ATRX and DAXX to G-quadruplex DNA replication in mESC

2021-05-17 | GSE151056 | GEO

TERRA regulates DNA G-quadruplex formation and ATRX loading on chromatin

Project description:The genome consists of non-B-DNA structures such as G-quadruplexes (G4) that are involved in the regulation of genome stability and transcription. Telomeric-repeat containing RNA (TERRA) is capable of folding into G-quadruplex and interacting with chromatin remodeler ATRX. Here we show that TERRA modulates ATRX occupancy on repetitive sequences and over genes, and maintains DNA G-quadruplex structures at TERRA target and non-target sites in mouse embryonic stem cells. TERRA prevents ATRX from binding to subtelomeric regions and represses H3K9me3 formation. G4 ChIP-seq reveals that G4 abundance decreases at accessible chromatin regions, particularly at transcription start sites (TSS) after TERRA depletion; such G4 reduction at TSS is associated with elevated ATRX occupancy and differentially expressed genes. Loss of ATRX alleviates the effect of gene repression caused by TERRA depletion. Immunostaining analyses demonstrate that knockdown of TERRA diminishes DNA G4 signals, whereas silencing ATRX elevates G4 formation. Our results uncover an epigenetic regulation by TERRA that sequesters ATRX and preserves DNA G4 structures.

2022-11-09 | GSE194038 | GEO

ATRX promotes heterochromatin formation to protect cells from G-quadruplex DNA-mediated stress [ChIP-Seq]

Project description:We analyze ATRX enrichment in ATRX-GFP and FACT subunits KD mESC

2021-05-17 | GSE151054 | GEO

TERRA regulates DNA G-quadruplex formation and ATRX loading on chromatin

Project description:TERRA regulates DNA G-quadruplex formation and ATRX loading on chromatin

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