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5-hydroxymethylcytosine Accumulation in Postmitotic Neurons Results in Functional Demethylation of Expressed Genes

ABSTRACT: 5-hydroxymethylcytosine Accumulation in Postmitotic Neurons Results in Functional Demethylation of Expressed Genes

PROVIDER: PRJNA377722 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR5306460_1.fastq.gz	Fastqsanger.gz
	SRR5306460_2.fastq.gz	Fastqsanger.gz
	SRR5306470_1.fastq.gz	Fastqsanger.gz
	SRR5306470_2.fastq.gz	Fastqsanger.gz
	SRR5306510_1.fastq.gz	Fastqsanger.gz

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5-hydroxymethylcytosine Accumulation in Postmitotic Neurons Results in Functional Demethylation of Expressed Genes [ATAC-Seq]

Project description:5-hydroxymethylcytosine (5hmC) occurs at maximal levels in postmitotic neurons where its accumulation is cell specific and correlated with gene expression. Here we demonstrate that the distribution of 5hmC in CG and non-CG dinucleotides is distinct, and that it reflects the binding specificity and genome occupancy of methylcytosine binding protein 2 (MeCP2). In expressed gene bodies, accumulation of 5hmCG acts in opposition to 5mCG resulting in “functional” demethylation and diminished MeCP2 binding, thus facilitating transcription. Non-CG hydroxymethylation occurs predominantly in CA dinucleotides (5hmCA) and it accumulates in regions flanking active enhancers. In these domains, oxidation of 5mCA to 5hmCA does not alter MeCP2 binding or expression of adjacent genes. We conclude that the role of 5-hydroxymethylcytosine in postmitotic neurons is to functionally demethylate expressed gene bodies while retaining the role of MeCP2 in chromatin organization.

2017-08-29 | GSE95627 | GEO

5-hydroxymethylcytosine Accumulation in Postmitotic Neurons Results in Functional Demethylation of Expressed Genes [ChIP-Seq]

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5-hydroxymethylcytosine Accumulation in Postmitotic Neurons Results in Functional Demethylation of Expressed Genes [ORGANIC ChIP-Seq]

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5-hydroxymethylcytosine Accumulation in Postmitotic Neurons Results in Functional Demethylation of Expressed Genes [nuclear RNA-Seq]

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5-hydroxymethylcytosine Accumulation in Postmitotic Neurons Results in Functional Demethylation of Expressed Genes [MethylC-Seq and oxBS-Seq]

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5-hydroxymethylcytosine accumulation in postmitotic neurons results in functional demethylation of expressed genes.

Project description:5-hydroxymethylcytosine (5hmC) occurs at maximal levels in postmitotic neurons, where its accumulation is cell-specific and correlated with gene expression. Here we demonstrate that the distribution of 5hmC in CG and non-CG dinucleotides is distinct and that it reflects the binding specificity and genome occupancy of methylcytosine binding protein 2 (MeCP2). In expressed gene bodies, accumulation of 5hmCG acts in opposition to 5mCG, resulting in "functional" demethylation and diminished MeCP2 binding, thus facilitating transcription. Non-CG hydroxymethylation occurs predominantly in CA dinucleotides (5hmCA) and it accumulates in regions flanking active enhancers. In these domains, oxidation of 5mCA to 5hmCA does not alter MeCP2 binding or expression of adjacent genes. We conclude that the role of 5-hydroxymethylcytosine in postmitotic neurons is to functionally demethylate expressed gene bodies while retaining the role of MeCP2 in chromatin organization.

| S-EPMC5604027 | biostudies-literature

5-hydroxymethylcytosine Accumulation in Postmitotic Neurons Results in Functional Demethylation of Expressed Genes

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

2017-08-29 | GSE95628 | GEO

Mus musculus

Project description:5-hydroxymethylcytosine Accumulation in Postmitotic Neurons Results in Functional Demethylation of Expressed Genes [ATAC-Seq]

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Mus musculus

Project description:5-hydroxymethylcytosine Accumulation in Postmitotic Neurons Results in Functional Demethylation of Expressed Genes [ChIP-Seq]

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Mus musculus

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