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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. DNA sample from ChIP for BEAF and input are collected for each of four Drosophila species
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The genomic distribution of a novel transcription factor called M1BP was determined in Drosophila S2R+ cells Polyclonal antibody raised against M1BP was used to immunoprecipitate M1BP-DNA adducts generated by treating Drosophila cells with formaldehyde, lysing the cells, and shearing DNA by sonication. Immunoprecipitated DNA was sequenced using the AB SOLiD system.
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ChiP-seq profiling of Drosophila melanogaster salivary glands to identify targets for NSL1 and MCRS2.
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ChIP-seq was performed to compare binding the genome-wide binding profile of the CLAMP transcription factor in two different Drosophila species. ChIP seq experiments compare the binding profile of CLAMP in female larvae to identify conservation of its binding sequence.
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We generated MOF, H4 and H4K16ac ChIP-seq experiments in D.melanogaster male and female wt. All experiments were performed with 3rd instard salivary glands biological material. Raw and processed data are provided here.
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In order to idetify paused promoters in vivo, we performed tissue specific Pol II Chip-seq using mutant embryos for the dorsal gradient. We used two population of cells, either dorsal ectoderm cells (gd7 embryos) or mesodermal cells (Toll10b) embryos. ChIP-seq for Pol II in various Drosophila embryos
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ChIP-seq and mRNA-seq experiments were performed to understand the role of the CLAMP protein in dosage compensation ChIP-seq experiments compared the binding profiles of CLAMP in male and female cells and mRNA-seq data to define the role of CLAMP in regulating genes on the X-chromosome
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Transcription and pre-mRNA alternative splicing are highly regulated processes that play major roles in modulating eukaryotic gene expression. It is increasingly apparent that other pathways of RNA metabolism, including small RNA biogenesis, can regulate these processes. However, a direct link between alternative pre- mRNA splicing and small RNA pathways has remained elusive. Here we show that the small RNA pathway protein Argonaute-2 (Ago-2) regulates alternative pre-mRNA splicing patterns of specific transcripts in the Drosophila nucleus using genome-wide methods in conjunction with RNAi in cell culture and Ago-2 deletion or catalytic site mutations in Drosophila adults. Moreover, we show that nuclear Argonaute-2 binds to specific chromatin sites near gene promoters and negatively regulates the transcription of the Ago-2-associated target genes. These transcriptional target genes are also bound by Polycomb group (PcG) transcriptional repressor proteins and change during development, implying that Ago-2 may regulate Drosophila development. Impor- tantly, both of these activities were independent of the catalytic activity of Ago-2, suggesting new roles for Ago-2 in the nucleus. Finally, we determined the nuclear RNA-binding profile of Ago-2, found it bound to several splicing target transcripts, and identified a G-rich RNA-binding site for Ago-2 that was enriched in these transcripts. These results suggest two new nuclear roles for Ago-2: one in pre-mRNA splicing and one in transcriptional repression. Input chromatin, 2 replicates of Ago2 ChIP-seq
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This SuperSeries is composed of the following subset Series: GSE37027: Cell type-specific gene expression profiling of Drosophila neurons [RNA-Seq] GSE37032: Cell type-specific chromatin profiling of Drosophila neurons [ChIP-Seq] Refer to individual Series
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Myc is an important oncogene. It is considered as a transcription factor, but the function of Myc in normal or cancer cells have not been fully understood. In addition, Myc plays a role in cell proliferation and differentiation. It is also important for cell identity and stay on chromatin throughout the cell cycle. However, the inheritance of Myc is still a mystery. Here we study the function and inheritance of Myc in D. melanogaster by mapping the binding sites of Myc during interphase and mitosis using ChIP-seq. DNA sample of ChIP for Myc are collected from Kc cells in interphase or mitosis. Input sequences from previous study in the same cell type (GSM762848, GSM762849) are used as control.
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