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The Drosophila BEAF Insulator Protein Interacts with the Polybromo Subunit of the PBAP Chromatin Remodeling Complex [PRO-seq]

ABSTRACT: The Drosophila BEAF Insulator Protein Interacts with the Polybromo Subunit of the PBAP Chromatin Remodeling Complex [PRO-seq]

PROVIDER: PRJNA811127 | ENA |

REPOSITORIES: ENA

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The Drosophila BEAF Insulator Protein Interacts with the Polybromo Subunit of the PBAP Chromatin Remodeling Complex

Project description:The Drosophila BEAF Insulator Protein Interacts with the Polybromo Subunit of the PBAP Chromatin Remodeling Complex

| PRJNA811123 | ENA

The Drosophila BEAF Insulator Protein Interacts with the Polybromo Subunit of the PBAP Chromatin Remodeling Complex [Mnase-seq]

Project description:The Drosophila BEAF Insulator Protein Interacts with the Polybromo Subunit of the PBAP Chromatin Remodeling Complex [Mnase-seq]

| PRJNA811119 | ENA

The Drosophila BEAF Insulator Protein Interacts with the Polybromo Subunit of the PBAP Chromatin Remodeling Complex [PRO-seq]

Project description:We examine the effect of this interaction on gene expression and chromatin structure using precision run-on sequencing (PRO-seq) and micrococcal nuclease sequencing (MNase-seq) after RNAi-mediated knockdown in cultured S2 cells. We examine the effect of the interaction between BEAF and polybromo on gene expression and chromatin structure using precision run-on sequencing (PRO-seq) and micrococcal nuclease sequencing (MNase-seq) after RNAi-mediated knockdown in cultured S2 cells.

2022-03-05 | GSE197579 | GEO

The Drosophila BEAF Insulator Protein Interacts with the Polybromo Subunit of the PBAP Chromatin Remodeling Complex [Mnase-seq]

2022-03-05 | GSE197574 | GEO

BEAF-32 insulator regulates gene expression of genes involved in cell polarity and neoplastic growth.

Project description:This SuperSeries is composed of the following subset Series: GSE36735: Distribution of Drosophila insulator protein BEAF-32 in Wing imaginal tissue (Wildtype) [ChIP-seq] GSE36736: Genome wide transcriptional profiling of BEAF-32 in wing imaginal tissues of wildtype and mutants [expresion array] Refer to individual Series

2012-07-05 | E-GEOD-36737 | biostudies-arrayexpress

Distribution of Drosophila insulator protein BEAF-32 in Wing imaginal tissue (Wildtype) [ChIP-seq]

Project description:Chromatin insulators are DNA protein complexes that mediate inter and intra chromosomal interactions. Boundary Element Associated Factor- 32 (BEAF-32) is an insulator protein predominantly found near gene promoters and thought to play a role in gene expression. We find that mutations in BEAF-32 are lethal, show loss of epithelial morphology in imaginal discs and cause neoplastic growth defects. To investigate the molecular mechanisms underlying this phenotype, we carried out a genome-wide analysis of BEAF-32 localization in wing imaginal disc cells. Mutation of BEAF-32 results in miss-regulation of 3850 genes by at least 1.5-fold, 647 of which are bound by this protein in wing imaginal cells. Up-regulated genes encode proteins such as Bazooka, a determinant of cell polarity; the Insulin receptor-1 and the p70-S6 kinase, involved in the insulin growth factor pathway that can activate various pathways involved in cell proliferation; and the Unpaired 3 ligand of the Janus kinase (JNK) pathway, and its target gene Socs35, which can also activate cell proliferation. The expression of genes involved in DNA homologous end repair and oxidative stress pathways is also increased in BEAF-32 mutants. Among the down-regulated genes are those encoding components of the Wingless pathway, which is required for cell differentiation, and amino acid metabolism. Miss-regulation of these genes explains the unregulated cell growth and neoplastic phenotypes observed in imaginal tissues of BEAF-32 mutants. Here we examine mapping the genomic binding sites and its distribution of BEAF-32, a Drosophila insulator proteins in wing imaginal tissue. We performed ChIP-seq analysis using BEAF-32B.

2012-07-05 | E-GEOD-36735 | biostudies-arrayexpress

The Drosophila BEAF Insulator Protein Interacts with the Polybromo Subunit of the PBAP Chromatin Remodeling Complex

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

2022-03-05 | GSE197584 | GEO

Distribution of Drosophila insulator protein BEAF-32 in Wing imaginal tissue (Wildtype) [ChIP-seq]

2012-07-06 | GSE36735 | GEO

ChIP-seq study of BEAF binding in four Drosophila spcies

Project description:Insulators are considered as chromosome organizers. BEAF, one of the insulator proteins, is highly conserved in Drosophila speies but also limited to Drosophila spcies. BEAF associates with TSS of active genes. Comparative study of BEAF binding landscapes in four Drosophila species reveals BEAF association with gene pairs, and the results suggest the role of gain or loss of BEAF binding during the speciation of Drosophila species.

2012-08-03 | GSE35648 | GEO

ChIP-seq study of BEAF binding in four Drosophila spcies

2012-08-03 | E-GEOD-35648 | biostudies-arrayexpress

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