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Drosophila melanogaster

ABSTRACT: CTCF/CP190 and ISWI dependent regulation of nucleosome occupancy [MNase-seq]

PROVIDER: PRJNA223672 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR1015605.fastq.gz	Fastqsanger.gz
	SRR1015606.fastq.gz	Fastqsanger.gz
	SRR1015607.fastq.gz	Fastqsanger.gz

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Drosophila melanogaster

Project description:CTCF/CP190 and ISWI dependent regulation of nucleosome occupancy [ChIP-seq]

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Project description:CTCF/CP190 and ISWI dependent regulation of nucleosome occupancy

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CTCF/CP190 and ISWI dependent regulation of nucleosome occupancy [MNase-seq]

Project description:MNase-seq was performed in order to analyze changes in nucleosomal occupancy after depletion of CTCF/P190 and ISWI from Drosophila S2 cells MNase-seq from Drosophila S2 nuclei after CTCF/CP190 or ISWI-specific RNAi treatment

2014-08-11 | E-GEOD-51599 | biostudies-arrayexpress

CTCF/CP190 and ISWI dependent regulation of nucleosome occupancy [ChIP-seq]

Project description:H3-ChIP-seq was performed in order to analyze changes in nucleosomal occupancy after depletion of CTCF/P190 and ISWI from Drosophila S2 cells Histone H3 ChIP-seq from Drosophila S2 cells after CTCF/CP190 or ISWI-specific RNAi treatment

2014-08-11 | E-GEOD-51598 | biostudies-arrayexpress

CTCF/CP190 and ISWI dependent regulation of nucleosome occupancy [MNase-seq]

Project description:MNase-seq was performed in order to analyze changes in nucleosomal occupancy after depletion of CTCF/P190 and ISWI from Drosophila S2 cells

2014-08-11 | GSE51599 | GEO

Analysis of genome-wide binding of the insulator factors CTCF and CP190

Project description:We identified about 3000 CTCF sites in the genome. In addition to binding to CTCF sites we found CP190 to bind to transcriptional start sites of actively transcribed genes where it inversely correlates with nucleosome occupancy. Keywords: ChIP-chip CTCF and CP190 ChIP. 2 biological replicates per experiment. dye-swaps as indicated in sample description.

2010-05-05 | E-GEOD-12749 | biostudies-arrayexpress

Analysis of genome-wide binding of the insulator factors CTCF and CP190

2009-02-21 | GSE12749 | GEO

Drosophila melanogaster S2 cells nucleosome occupancy data after simulation by heat killed Salmonella typhimurium

Project description:In eukaryotes, nucleosomes participate in all DNA-templated events by regulating access to the underlying DNA sequence. However, the dynamics of nucleosomes during a genome response has not been well characterized . We stimulated Drosophila S2 cells with heat-killed Gram-negative bacteria Salmonella typhimurium, and mapped genome-wide nucleosome occupancy at high temporal resolution by MNase-seq using Illumina HiSeq 2500. We show widespread nucleosome occupancy change in S2 cells during the immune response, with the biggest nucleosomal loss occurring at 4hr post stimulation.

2014-12-24 | GSE64507 | GEO

Drosophila melanogaster

Project description:CP190 and CTCF mediated enhancer blocking is augmented by SUMOylation

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Essential role of Cp190 in physical and regulatory boundary formation in Drosophila

Project description:Animal genomes fold into contact domains defined by enhanced internal contact frequencies with debated functions in establishing independent gene regulatory domains. A large fraction of contact domains in mammals are formed by stalling of chromosomal loop-extruding cohesin by CTCF at domain boundaries. 90% of domain boundaries in Drosophila form CTCF-independently, and other proteins were proposed to form chromosomal loops with dual functions of segregating promoters from inappropriate regulatory elements and connecting distal regulatory elements to their correct targets. Here, we genetically ablate the ubiquitous boundary-associated factor Cp190 and assess impacts on genome folding and transcriptional regulation in embryos. Our results reveal that Cp190 is a major factor required for contact domain boundary formation and gene insulation in Drosophila.

2022-05-30 | PXD027795 | Pride

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