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Histone H3K27 acetylation at CTCF sites mediates cell type-specific chromatin interactions between them

ABSTRACT: Histone H3K27 acetylation at CTCF sites mediates cell type-specific chromatin interactions between them

PROVIDER: PRJNA612834 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR11311767.fastq.gz	Fastqsanger.gz
	SRR11311768.fastq.gz	Fastqsanger.gz

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Histone H3K27 acetylation at CTCF sites mediates cell type-specific chromatin interactions between them.

Project description:Histone H3K27 acetylation at CTCF sites mediates cell type-specific chromatin interactions between them.

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Histone H3K27 acetylation at CTCF sites mediates cell type-specific chromatin interactions between them.

Project description:We found that CTCF sites was acetylated at H3K27 and this modification was decreased by histone acetyltransferases and depletion of GATA-1.

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Histone H3K27 acetylation at CTCF sites mediates cell type-specific chromatin interactions between them

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H3K27 acetylation and gene expression during late spermatogenesis

Project description:ChIP-seq for H3K27 acetylation and RNA-seq were performed during spermatogenesis. We analyzed two representative stages of spermatogenesis: purified pachytene spermatocytes (PS) undergoing meiosis; and postmeiotic round spermatids (RS) from adult testes.

2018-02-05 | GSE107398 | GEO

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Project description:We ablated the expression of the Nuclear Receptor Corepressor 1 specifically in mice livers and rendered them hypothyroid. Then we performed H3K27 acetylation CHIP-Seq. We found decreased H3K27ac in the livers of hypothyroid wild type and NCoR1KO mice. Therefore, we concluded that the thyroid hormone receptor may recruit histone deacetilases independently of NCoR1.

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Cytosolic acetyl-CoA promotes histone acetylation predominantly at H3K27 in Arabidopsis

Project description:Acetyl-Coenzyme A (acetyl-CoA) is a central metabolite and the acetyl source for protein acetylation, particularly histone acetylation that promotes gene expression. However, the effect of acetyl-CoA levels on histone acetylation status in plants remains unknown. Here, we show that malfunctioned cytosolic acetyl-CoA carboxylase1 (ACC1) in Arabidopsis leads to elevated levels of acetyl-CoA and promotes histone hyperacetylation predominantly at lysine 27 of histone H3 (H3K27). The increase of H3K27 acetylation (H3K27ac) is dependent on ATP-citrate lyase which cleaves citrate to acetyl-CoA in the cytoplasm, and requires histone acetyltransferase GCN5. A comprehensive analysis of the transcriptome and metabolome in combination with the genome-wide H3K27ac profiles of acc1 mutants, demonstrate the dynamic changes of H3K27ac, gene transcripts and metabolites occurring in the cell by the increased levels of acetyl-CoA. This study suggests that H3K27ac is an important link between cytosolic acetyl-CoA level and gene expression in response to the dynamic metabolic environments in plants.

2017-09-25 | GSE79524 | GEO

Genome-wide profiling of H3K9/K14 Acetylation and H3K27 trimethylation at promoters in the human lung embryonic fibroblast cell line MRC5

Project description:Genome-wide profiling of H3K9/K14 Acetylation and H3K27 trimethylation at promoters in the human lung embryonic fibroblast cell line MRC5

2013-11-11 | E-MTAB-2004 | biostudies-arrayexpress

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