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Comparative Methylome Analyses Identify Epigenetic Regulatory Loci of Human Brain Evolution

ABSTRACT: Comparative Methylome Analyses Identify Epigenetic Regulatory Loci of Human Brain Evolution

PROVIDER: PRJNA339582 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR3098590_1.fastq.gz	Fastqsanger.gz
	SRR3098590_2.fastq.gz	Fastqsanger.gz
	SRR3098600_1.fastq.gz	Fastqsanger.gz
	SRR3098600_2.fastq.gz	Fastqsanger.gz
	SRR3098610_1.fastq.gz	Fastqsanger.gz

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Comparative Methylome Analyses Identify Epigenetic Regulatory Loci of Human Brain Evolution [SNP]

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Comparative Methylome Analyses Identify Epigenetic Regulatory Loci of Human Brain Evolution [methylation]

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Comparative Methylome Analyses Identify Epigenetic Regulatory Loci of Human Brain Evolution.

Project description:How do epigenetic modifications change across species and how do these modifications affect evolution? These are fundamental questions at the forefront of our evolutionary epigenomic understanding. Our previous work investigated human and chimpanzee brain methylomes, but it was limited by the lack of outgroup data which is critical for comparative (epi)genomic studies. Here, we compared whole genome DNA methylation maps from brains of humans, chimpanzees and also rhesus macaques (outgroup) to elucidate DNA methylation changes during human brain evolution. Moreover, we validated that our approach is highly robust by further examining 38 human-specific DMRs using targeted deep genomic and bisulfite sequencing in an independent panel of 37 individuals from five primate species. Our unbiased genome-scan identified human brain differentially methylated regions (DMRs), irrespective of their associations with annotated genes. Remarkably, over half of the newly identified DMRs locate in intergenic regions or gene bodies. Nevertheless, their regulatory potential is on par with those of promoter DMRs. An intriguing observation is that DMRs are enriched in active chromatin loops, suggesting human-specific evolutionary remodeling at a higher-order chromatin structure. These findings indicate that there is substantial reprogramming of epigenomic landscapes during human brain evolution involving noncoding regions.

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

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Comparative Methylome Analyses Identify Epigenetic Regulatory Loci of Human Brain Evolution

Project description:We report the application of DNA sequencing technology for high-throughput sequencing of mix bis-PCR products totally 38 based on bisulfate treated DNA from human, chimpanzee, gibbon, macaque and crab eating macaque profrontal cortex tissues. Mix bisulfate PCR products from 1 tissues, 23 individula humans, 2 individual chimpanzees, 1 individual gibbons, 7 individual rhesus macaques and 5 crab eating macaques were sequenced by using MiSeq

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Project description:This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

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Comparative Methylome Analyses Identify Epigenetic Regulatory Loci of Human Brain Evolution [SNP]

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Comparative Methylome Analyses Identify Epigenetic Regulatory Loci of Human Brain Evolution [methylation]

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