Drosophila melanogaster
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA340890 | ENA |
REPOSITORIES: ENA
Similar Datasets
Project description:Inducible DamID systems for genomic mapping of chromatin proteins in Drosophila [DamID-seq]
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Project description:H3K27me3 profiles using Cleavage under targets and Release using nuclease (Cut&Run) in control and KD Drosophila melanogaster ovaries. We examined the impact on chromatin profiles in Drosophila melanogaster ovaries in which the lid, the Sin3a, the Snr1 or the mod(mdg4) gene have been selectively knocked down by tissue-specific shRNA expression. We additionally explored H3K27me3 and H3K9me3 in control and dhd mutant ovaries either carrying or not a transgene.
2021-12-10 | GSE174250 | GEO
Project description:This project’s aim was to compare the transcriptional profiles of olfactory sensory neurons in Drosophila melanogaster in order to identify novel genes that specify neuron-specific functions/phenotypes or may otherwise be involved in the development of the olfactory system. The isolation of sufficient numbers of intact olfactory sensory neurons (OSN) from the antenna of Drosophila melanogaster has so far limited single-cell transcriptomic approaches being applied to the adult fly antenna. Targeted DamID (TaDa) provides an alternative approach for profiling transcriptional activity in a cell-specific manor that bypasses the need for isolating OSN. Using the Gal4/UAS system, we applied TaDa to seven OSN populations and compared differences in Pol II occupancy for genes across these datasets.
2021-03-17 | E-MTAB-8935 | biostudies-arrayexpress
Project description:DamID profiling of neural transcription factor (Abrupt and Knot) binding in Drosophila melanogaster embryos
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Project description:A deep peptidomics workflow was used to identify alternative proteins in Drosophila melanogaster samples.
2022-01-07 | MSV000088656 | MassIVE
Project description:In eukaryotes, neighboring genes can be packaged together in specific chromatin structures that ensure their coordinated expression. Examples of such multi-gene chromatin domains are well-documented, but a global view of the chromatin organization of eukaryotic genomes is lacking. To systematically identify multi-gene chromatin domains, we constructed a compendium of genome-scale binding maps for a broad panel of chromatin-associated proteins in Drosophila melanogaster. Next, we computationally analyzed this compendium for evidence of multi-gene chromatin domains using a novel statistical segmentation algorithm. We find that at least 34% of the fly genome is organized into chromatin domains, which often consist of dozens of genes. The domains are characterized by various known and novel combinations of chromatin proteins. The genes in many of the domains are coregulated during development and share biological functions. Furthermore, fewer chromosomal rearrangements occur inside chromatin domains than outside domains during evolution. Our results indicate that a substantial portion of the Drosophila genome is packaged into functionally coherent, multi-gene chromatin domains. This has broad mechanistic implications for gene regulation and genome evolution. Keywords: DamID DamID experiments for multiple chromatin proteins was performed in Drosophila cell cultures. Samples were hybridized to spotted cDNA arrays. Every experiment was repeated at least 2 times, with one sample in the reverse dye orientation. When hybridization was performed 4 times, two samples were hybridized in the reverse dye orientation.
2008-04-07 | E-GEOD-10219 | biostudies-arrayexpress