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Drosophila melanogaster

ABSTRACT: D. melanogaster eye-antennal imaginal discs developmental transcriptome

PROVIDER: PRJNA374838 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR5259210.fastq.gz	Fastqsanger.gz
	SRR5259212.fastq.gz	Fastqsanger.gz
	SRR5259213.fastq.gz	Fastqsanger.gz
	SRR5259215.fastq.gz	Fastqsanger.gz
	SRR5259216.fastq.gz	Fastqsanger.gz

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D. melanogaster eye-antennal imaginal discs developmental transcriptome

Project description:Transcriptomes of Drosophila melanogaster eye-antennal imaginal discs at three sequential larval stages: late 2nd instar (72h after egg laying (AEL)), mid 3rd instar (96h AEL) and late 3rd instar (120h AEL).

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Tag-seq in eye-antennal and wing imaginal discs of D.melanogaster, D.yakuba, and D.virilis; RNA-seq in wild-type and glass mutant D.melanogaster eye-antennal imaginal discs.

Project description:In this study we use Tag-sequencing in eye-antennal and wing imaginal discs across Drosophila species to determine a set of conserved eye-specific developmental genes. Next, we perform motif discovery analysis using the tool i-cisTarget, to depict the core gene developmental network underlying compound eye photoreceptor. The Glass position weight matrix appears as the most highly overrepresented motif, thus positioning Glass as a master regulator in compound eye photoreceptor development. Differential gene expression analysis by RNA-seq in D.melanogaster wild-type eye-antennal versus glass mutant [gl 60j] shows that the majority of our predicted Glass targets show strong downregulation in the glass mutant. This SuperSeries is composed of the following subset Series: GSE39781: RNA-seq in wild-type and glass mutant eye-antennal discs in Drosophila melanogaster GSE39782: Tag-seq profiling in eye-antennal and wing imaginal discs of D. melanogaster, D. yakuba and D. virilis

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Project description:Atonal and Senseless perturbations in Drosophila melanogaster eye-antennal imaginal discs.

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Identification of lineage-specific cis-regulatory modules associated with variation in transcription factor binding and chromatin activity using Ornstein-Uhlenbeck models

Project description:Whole-chromatin profile (FAIRE-seq) in three Drosophila species (D. melanogaster, D. pseudoobscura and D. virilis) in eye-antennal imaginal discs at the stage of third instar wandering larvae. By the use of Ornstein-Uhlenbeck methods, we assess the evolutionary forces acting on regulatory elements (cis-level) on chromatin activity across Drosophila eye-antennal imaginal discs at the stage of third instar larvae.

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RNA-seq in wild-type and glass mutant eye-antennal discs in Drosophila melanogaster

Project description:The aim of this data set is to perform a differential expression analysis between wild type eye-antennal imaginal disc and discs that are homozygous glass mutant gl[60j]. This data set is used to validate Glass target gene predictions identified by i-cisTarget on a set of conserved eye-specific genes. RNA-seq was performed in eye-antennal imaginal discs of two D.melanogaster wild-type strains (Canton S and strain RAL-208 (Jordan et al. 2007, Ayroles et al. 2009)), representing two biological replicates; and in glass mutant (gl[60j]) discs for two technical replicates.

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Project description:The goal of this study is to identify co-expressed genes downstream of Atonal and Senseless. These gene lists are used as candidate target genes (technically: as foreground sets) in computational predictions of cis-regulatory elements using the cisTargetX method (http://med.kuleuven.be/cme-mg/lng/cisTargetX). Together, the gene expression results and cis-regulatory predictions, yield a gene regulatory network underlying the early events in retinal differentiation. Predicted cis-regulatory interactions have been validated extensively in vivo using enhancer reporter assays and genetic perturbations. Six samples were analyzed for Atonal gain-of-function (GOF) in the eye-antennal imaginal discs of third instar larvae of Drosophila melanogaster, namely three biological repeats for two different Gal4 drivers (Gal4/7 and AtoGal), crossed with UASato. Three samples were analyzed for Atonal loss-of-function (LOF) in the eye-antennal imaginal discs, namely three biological repeats of ato-/- larvae. Three samples were analyzed for Senseless GOF, namely three biological repeats of atoGal4 crossed with UASsens. Finally, eight control samples were analyzed, namely two biological repeats of four different lines (atoGal4, Gal4/7, UASato, and cantonS wild type).

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Project description:We report genome-wide binding of the highly conserved TF Sine oculis (So), which is necessary for Drosophila eye development and has few previously known direct transcriptional targets. Our data identify novel putative targets of So-mediated regulation, including genes involved in multiple aspects of development. 2 biological replicates of ChIP-seq with anti-So antibody on chromatin from D. melanogaster third instar eye-antennal imaginal discs; negative control - same sample and ChIP-seq protocol without anti-So antibody

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