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EDD: a program for detection of wide genomic enrichment domains robust against local variations

ABSTRACT: EDD: a program for detection of wide genomic enrichment domains robust against local variations

PROVIDER: PRJNA236210 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR1141000.fastq.gz	Fastqsanger.gz
	SRR1141001.fastq.gz	Fastqsanger.gz
	SRR1141002.fastq.gz	Fastqsanger.gz
	SRR1141003.fastq.gz	Fastqsanger.gz
	SRR1141004.fastq.gz	Fastqsanger.gz

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EDD: a program for detection of wide genomic enrichment domains robust against local variations [RNA-Seq]

Project description:Nuclear lamins contact the genome at the nuclear periphery through large domains and are involved in chromatin organization. Among broad peak calling algorithms available to date, none are suited for mapping lamin-genome interactions genome-wide. We disclose a novel algorithm, Enriched Domain Detector (EDD), for analysis of broad enrichment domains from ChIP-seq data. EDD enables discovery of genomic domains interacting with broadly distributed chromatin-associated proteins such as lamins. The main advantage of EDD over existing broad peak callers is sensitivity to domain width rather than enrichment strength at a particular site, and robustness against local variations. EDD is downloadable from http://github.com/eivindgl/edd. RNA-seq experiments in human normal dermal fibroblasts (Lonza CC-2511; LDFs) and human normal primary dermal fibroblasts (Norwegian Stem Cell Center AD04DFs).

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Project description:Nuclear lamins contact the genome at the nuclear periphery through large domains and are involved in chromatin organization. Among broad peak calling algorithms available to date, none are suited for mapping lamin-genome interactions genome-wide. We disclose a novel algorithm, Enriched Domain Detector (EDD), for analysis of broad enrichment domains from ChIP-seq data. EDD enables discovery of genomic domains interacting with broadly distributed chromatin-associated proteins such as lamins. The main advantage of EDD over existing broad peak callers is sensitivity to domain width rather than enrichment strength at a particular site, and robustness against local variations. EDD is downloadable from http://github.com/eivindgl/edd. LMNA ChIP-seq experiments in human normal dermal fibroblasts (Lonza CC-2511; LDFs) and human normal primary dermal fibroblasts (Norwegian Stem Cell Center AD04DFs).

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

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

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Project description:Nuclear lamins contact the genome at the nuclear periphery through large domains and are involved in chromatin organization. Among broad peak calling algorithms available to date, none are suited for mapping lamin-genome interactions genome wide. We disclose a novel algorithm, enriched domain detector (EDD), for analysis of broad enrichment domains from chromatin immunoprecipitation (ChIP)-seq data. EDD enables discovery of genomic domains interacting with broadly distributed proteins, such as A- and B-type lamins affinity isolated by ChIP. The advantages of EDD over existing broad peak callers are sensitivity to domain width rather than enrichment strength at a particular site, and robustness against local variations.

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Project description:Interactions of chromatin with the nuclear lamina via lamina-associated domains (LADs) confers structural stability to the genome. The dynamics of positioning of LADs during differentiation, and how LADs impinge on developmental gene expression, remains elusive, however. We examined changes in the association of lamin B1 with the genome in the first 72 hours of differentiation of adipose stem cells into adipocytes. We demonstrate a repositioning of entire stand-alone LADs and of LAD edges as a prominent nuclear structural feature of early adipogenesis. Whereas adipogenic genes are released from LADs, LADs sequester downregulated or repressed genes irrelevant for the adipose lineage. However, LAD repositioning only partly concurs with gene expression changes. Differentially expressed genes in LADs, including LADs conserved throughout differentiation, reside in local euchromatic and lamin-depleted sub-domains. In these sub-domains, pre-differentiation histone modification profiles correlate with the LAD versus inter-LAD outcome of these genes during adipogenic commitment. In addition, differentially expressed genes in LADs are linked to short-range enhancers which overall co-partition with these genes in LADs versus inter-LADs during differentiation. We conclude that LADs are predictable structural features of adipose nuclear architecture that restrain non-adipogenic genes in a repressive environment.

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