Drosophila subpulchrella
Ontology highlight
ABSTRACT:
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| DRR221724_1.fastq.gz | Fastqsanger.gz | |||
| DRR221724_2.fastq.gz | Fastqsanger.gz | |||
| DRR221725_1.fastq.gz | Fastqsanger.gz | |||
| DRR221725_2.fastq.gz | Fastqsanger.gz | |||
| DRR221726_1.fastq.gz | Fastqsanger.gz |
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Project description:We used long-oligonucleotide microarrays to investigate whether alternative splicing in Drosophila is regulated in a sex-, stage-, or tissue-specific manner. To examine sex-specific splicing, we compared gene expression profiles of male and female pupae 12 hours after pupariation. To examine stage-specific splicing, we compared expression profiles of mixed-sex, 0-24 hour old embryos and mixed-sex, 12 hour old pupae. To examine tissue-specific splicing, we compared expression profiles of adult male heads and abdomens 24-48 hours after eclosion. To examine tissue-specific splicing, we compared expression profiles of adult male heads and abdomens at 24-48 hours after eclosion. Keywords: tissue-specific expression profiles
2007-06-22 | GSE5190 | GEO
Project description:We used long-oligonucleotide microarrays to investigate whether alternative splicing in Drosophila is regulated in a sex-, stage-, or tissue-specific manner. To examine sex-specific splicing, we compared gene expression profiles of male and female pupae 12 hours after pupariation. To examine stage-specific splicing, we compared expression profiles of mixed-sex, 0-24 hour old embryos and mixed-sex, 12 hour old pupae. To examine tissue-specific splicing, we compared expression profiles of adult male heads and abdomens 24-48 hours after eclosion. To examine tissue-specific splicing, we compared expression profiles of adult male heads and abdomens at 24-48 hours after eclosion. Keywords: tissue-specific expression profiles Drosophila isogenic line WI89 was used. Mixed-sex, mixed-stage embryos were harvested from plates on which females had been allowed to oviposit for 24 hours. To obtain synchronized cohorts of pupae, male and female white prepupae were collected at 0-1 hour after pupariation and aged for 12 hours at 25C. Mixed-sex pupal samples were generated by mixing equal amount of male and female pupal RNA. Adult heads and abdomens were dissected from 24-48 hour old males. mRNA was isolated and labeled without amplification.
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Project description:This SuperSeries is composed of the following subset Series: GSE11311: Drosophila Sex Hierarchy Regulated Gene Expression in 48 hour APF Pupae GSE11313: Drosophila Gene Expression During Metamorphosis in Wild Type and Germline Minus Pupae Keywords: SuperSeries Refer to individual Series
2009-02-10 | E-GEOD-11316 | biostudies-arrayexpress
Project description:Sex differences in gene expression throughout development are poorly understood, especially sex-specific expression of micro RNAs. However these patterns of gene expression could have important implications in our understanding of the underlying mechanics of sex differentiation and sexual conflict. We extract mRNA and miRNA from male and female Drosophila melanogaster from three developmental timepoints, third larval instar, pupae and adults, and examine gene expression using microarrays. We found a large number of sex-biased mRNA transcripts at each stage of development, whereas sex-biased miRNA expression was low in larvae and pupae and more prevalent in adults.
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Project description:RNA from six developmental stages during the Drosophila life cycle (0-2hr embryos, 3-16hr embryos, larvae, pupae, male and female adults) was isolated, reverse transcribed in the presence of oligodT and random hexamers and the labeled cDNA was hybridized to these arrays.Each sample was hybridized four times, twice with Cy5 labeling and twice with Cy3 labeling. Keywords: other
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Project description:Drosophila melanogaster undergoes a complete metamorphosis, during which time the larval male and female forms transition into sexually dimorphic, reproductive adult forms. To understand this complex morphogenetic process at a molecular-genetic level, we performed whole genome microarray analyses. Genes were identified that were expressed during metamorphosis in both somatic and germline tissues of males and females. Additionally, genes were identified that display sex-specific differences in abundance in both of these tissues at discrete times during metamorphosis. Keywords: time course; wild type; genetic modification; Gene expression was examined at five time points during metamorphosis: 0, 24, 48, 71, and 96 hr After Puparium Formation (APF). Gene expression was examined separately in males and females for both wild type pupae and tudor (tud) progeny. tud progeny have genetically ablated germline tissues. All samples were labeled with Cy5 and compared against a common reference sample labeled with Cy3. The reference sample contained male and female wild type pupae from all stages of metamorphosis. All experiments were conducted in triplicate.
2009-02-10 | E-GEOD-11313 | biostudies-arrayexpress
Project description:Drosophila melanogaster undergoes a complete metamorphosis, during which time the larval male and female forms transition into sexually dimorphic, reproductive adult forms. To understand this complex morphogenetic process at a molecular-genetic level, we performed whole genome microarray analyses. In somatic tissues at 48 hour After Puparium Formation (APF), 173 sex-biased transcripts that likely function downstream of the doublesex (dsx) branch of the sex determination hierarchy were identified. The mode of regulation of the sex-specific isoforms of DSX (DSX-F and DSX-M) was examined. It was determined that for most downstream targets, DSX-F and DSX-M regulate gene expression in the same manner, but that one isoform acts as a more potent regulator. Keywords: wild type; genetic modification All microarrays were dual channel with direct comparisons of male versus female or wild type versus mutant. All samples consist of whole body pupae collected at 48 hour After Puparium Formation (APF). For each experiment, four biological replicates were analyzed in a dye-swap design.
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