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Transcriptional changes associated with endoplasmic reticulum stress in the eye imaginal disc of Drosophila melanogaster

ABSTRACT: Transcriptional changes associated with endoplasmic reticulum stress in the eye imaginal disc of Drosophila melanogaster

PROVIDER: PRJNA631008 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR11729243_1.fastq.gz	Fastqsanger.gz
	SRR11729243_2.fastq.gz	Fastqsanger.gz
	SRR11729244_1.fastq.gz	Fastqsanger.gz
	SRR11729244_2.fastq.gz	Fastqsanger.gz
	SRR11729245_1.fastq.gz	Fastqsanger.gz

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Transcriptional changes associated with endoplasmic reticulum stress in the eye imaginal disc of Drosophila melanogaster

Project description:We obtained transcriptional profiles of third instar eye imaginal disc nuclei with or without endoplasmic reticulum stress using next generation sequencing (NGS). We employed an isolation of nuclei tagged in specific cell type (INTACT) protocol (Ma and Weake, J. of Vis. Exp., 2014) to label nuclear membranes of GMR-GAL4-expressing cells with EGFP. The experimental group also expressed a mutant allele of the membrane visual protein rhodopsin (Rh-1(G69D)), which is known to cause endoplasmic reticulum stress and initiate Unfolded Protein Response (UPR) signaling. The goal of this study was to characterize the transcriptional changes associated with endoplasmic reticulum stress responses in a commonly used platform, the eye imaginal disc.

2021-09-20 | GSE150058 | GEO

Eye imaginal disc development

Project description:Coordinating cell proliferation and differentiation is essential during organogenesis. In Drosophila, the photoreceptor, pigment and support cells of the eye are specified in an orchestrated wave as the morphogenetic furrow passes across the eye imaginal disc. Cells anterior of the furrow are uncommitted to cell type and remain mitotically active, while most cells in the furrow arrest at G1 and adopt specified ommatidial fates. We used microarray expression analysis to monitor changes in transcription at the furrow and identified genes whose expression correlates with either proliferation or fate specification.

2008-09-23 | GSE12851 | GEO

Expression data from transdetermined Drosophila eye antennal imaginal disc by winged eye overexpression.

Project description:Drosophila imaginal disc cells exhibit a remarkable ability to switch cell fates under various perturbations, a phenomenon known as transdetermination (TD). The winged eye (wge) gene induces eye-to-wing TD by its overexpression in eye imaginal discs using eye specific Gal4 driver (eyeless-Gal4). Gene network controlling this process, however, is largely unclear. Additionally, we identified that heterochromatin-related histone methyltransferase Su(var)3-9 is essential for wge-mediated TD. We used microarray to detail the global gene network underlying wge-mediated eye-to-wing TD, and the involvement of Su(var)3-9 in the gene network.

2017-12-31 | GSE87622 | GEO

Expression data from transdetermined Drosophila eye antennal imaginal disc by vestigial and simjang overexpression.

Project description:Drosophila imaginal disc cells exhibit a remarkable ability to switch cell fates under various perturbations, a phenomenon known as transdetermination (TD). The process of cell reprogramming seems to be regulated in stochastic manners. Ectopic expression of the master transcription factor of wing identity, vestigial, in eye progenitor cells induces eye-to-wing TD, but the frequency of the TD is low. We found that the overexpression of simjang gene dramatically enhanced eye-to-wing TD frequency. Gene network controlling this process, however, is largely unclear. We used microarray to detail the global gene network underlying simj-mediated facilitation of eye-to-wing TD.

2020-12-31 | GSE125425 | GEO

Chromatine immunoprecipation of atonal binding sites in Drosophila L3 eye imaginal discs

Project description:Atonal is a proneural transcription factor expressed in the Drosophila eye imaginal discs. To characterize the putative targes of Atonal in the eye discs we have used an endogenously GFP-tagged version of atonal to immunoprecipate disc samples with anti-GFP antibodies

2019-10-09 | GSE138553 | GEO

Transcriptome of sevenless (sev) in the eye imaginal disc.

Project description:The Sevenless receptor (Sev) is a key component of the complex regulatory network involved in R7 photoreceptor determination. However the genetic program that responds to Sev is still unknown. Here, we explore the transcriptional profile downstream of Sev, using eye imaginal discs from third instar larvae of the sev mutants sevS11 and sevd2 compared with wild-type controls. Keywords: loss and gain of function analysis

2013-01-10 | GSE37793 | GEO

Eye imaginal disc expressing transgenic human proinsulin in Drosophila eye under regulation of GMR-GAL4

Project description:We used microarrays to detail the global program of gene expression in response to expression of either mutant (C96Y) or wild-type human proinsulin and identified distinct classes of up-regulated genes. Results provides insight into the molecular mechanisms underlying a form of neonatal diabetes. Drosophila eye imaginal discs were selected at the wandering stage of 3rd instar larval development for RNA extraction and hybridization on Affymetrix microarrays.

2012-12-23 | E-GEOD-43128 | biostudies-arrayexpress

Expression data from transdetermined Drosophila eye antennal imaginal disc by vestigial and simjang overexpression.

Project description:Expression data from transdetermined Drosophila eye antennal imaginal disc by vestigial and simjang overexpression.

| PRJNA516350 | ENA

Wing imaginal disc spatial expression

Project description:Wing imaginal discs were dissected to generate body wall and wing/hinge fragments. Targets from three biological replicates of each were generated and the expression profiles were determined using Affymetrix Drosophila Genechip 1 arrays. Comparisons between the sample groups allow the identification of genes with localized expression patterns. Keywords = Drosophila, wing disc, spatially restricted transcripts Keywords: repeat sample

2003-01-08 | GSE93 | GEO

Transcription profiling of Drosophila eye antennal imaginal disc expressing either activated Ras or secreted Spitz

Project description:We have used microarrays to identify genes expressed and required for the second mitotic wave (SMW) during eye development. Eye discs expressing Spitz under the control of GMR Gal4 have no SMW as Spitz promotes G1 arrest, ectopic differentiation also occures. To control for the ectopic differentiation, Spi expressing eye antennal discs were compared to eye antennal discs expressing activated RasV12. In discs expresseding RasV12 under the control of GMRGal4 the SMW takes place normally prior to any ectopic differentiation. We used microarrays to detail the global programme of gene expression underlying cellularisation and identified distinct classes of up-regulated genes during this process. Experiment Overall Design: Drosophila eye antennal imaginal discs expressing either UAS RasV12 or UAS Spi under the control of GMRGal4 were dissected from 3rd instar larvae for RNA extraction and hybridization on Affymetrix microarrays.

2008-06-14 | E-GEOD-6300 | biostudies-arrayexpress

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