GEO DataSets

(Submitter supplied) The differential production of pheromones is a major barrier to mating between species in Drosophila. Individuals from morphologically similar sister species can produce different sets of cuticular hydrocarbons that allow potential mates to identify them as a suitable partner. In order to elucidate cis-regulatory mechanisms behind speciation, we looked for allele-specific expression in hydrocarbon-producing oenocytes from F1 hybrids of the sister species D. more...

Organism:

Drosophila sechellia x Drosophila simulans

Type:

Expression profiling by high throughput sequencing

Platform:

GPL25000

8 Samples

Download data: TSV

(Submitter supplied) We identified 6,975 insertion/deletion events of between 10 and 100 bp in length from the Drosophila simulans and Drosophila sechellia Mercator/MAVID genomic sequence alignment. Replicate pure samples of Drosophila simulans and Drosophila sechellia gDNA were competitively hybridized to measure the expected relative hybridization intensity of alleles from each species. We used these measured intensities to assess the likelihood that the hybridization signal at each probe in an experimental animal reflected homozygosity or heterozygosity at that locus.

Organism:

Drosophila simulans; Drosophila sechellia x Drosophila simulans; Drosophila melanogaster; Drosophila sechellia

Type:

Genome variation profiling by genome tiling array

Platform:

GPL16697

132 Samples

Download data: TXT

(Submitter supplied) In order to test the hypothesis that adult hybrid misexpression results from the cascading effect of earlier-expressed developmentally important improperly regulated genes, as well as address whether Von Baer’s 3rd law (suggesting that earlier stages of development should be more similar between species than later stages) holds at the level of gene expression, we conducted whole-transcriptome Drosophila melanogaster cDNA microarray-based expression profiling of males of D. more...

Organism:

Drosophila melanogaster; Drosophila sechellia; Drosophila simulans; Drosophila sechellia x Drosophila simulans

Type:

Expression profiling by array

Dataset:

GDS3835

Platform:

GPL3598

48 Samples

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Analysis of males of 3 species (melanogaster, sechellia, simulans) and D. sechellia x D. simulans F1 hybrids during 4 developmental stages. Results within and between pure species and hybrids provide insight into both the evolution of gene regulation in the context of development and speciation.

Organism:

Drosophila melanogaster; Drosophila sechellia; Drosophila simulans; Drosophila sechellia x Drosophila simulans

Type:

Expression profiling by array, log2 ratio, 4 development stage, 4 species sets

Platform:

GPL3598

Series:

GSE17535

48 Samples

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(Submitter supplied) Sex chromosomes and more particularely the X chromosomes are known to have a major effect on hybrid male sterility. In this experiment by making use of the reciprocal hybrids between D. simulans and D. sechellia, we are showing the effect of these chromosomes on gene expression in male hybrids Keywords: X chromosome, hybrid

Organism:

Drosophila sechellia; Drosophila simulans; Drosophila sechellia x Drosophila simulans; Drosophila melanogaster

Type:

Expression profiling by array

Platform:

GPL1467

12 Samples

Download data: TIFF

(Submitter supplied) This SuperSeries is composed of the SubSeries listed below.

Organism:

Drosophila mauritiana; Drosophila sechellia; Drosophila simulans; Drosophila sechellia x Drosophila simulans; Drosophila melanogaster; Drosophila simulans x Drosophila mauritiana

Type:

Expression profiling by array

Platforms:

GPL4022 GPL3829

128 Samples

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(Submitter supplied) Species often produce sterile hybrids early in their evolutionary divergence, and some evidence suggests that hybrid sterility may be associated with deviations or disruptions in gene expression. In support of this idea, many studies have shown that a high proportion of male-biased genes are underexpressed compared to non-sex-biased genes in sterile F1 male hybrids of Drosophila species. In this study, we examined and compared patterns of misexpression in 4 day old sterile male F1 hybrids of Drosophila simulans and its sibling species, D. more...

Organism:

Drosophila sechellia; Drosophila simulans; Drosophila sechellia x Drosophila simulans; Drosophila melanogaster

Type:

Expression profiling by array

Platform:

GPL3829

22 Samples

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(Submitter supplied) Species often produce sterile hybrids early in their evolutionary divergence, and some evidence suggests that hybrid sterility may be associated with deviations or disruptions in gene expression. In support of this idea, many studies have shown that a high proportion of male-biased genes are underexpressed compared to non-sex-biased genes in sterile F1 male hybrids of Drosophila species. In this study, we examined and compared patterns of misexpression in 4 day old sterile male F1 hybrids of Drosophila simulans and its sibling species, D. more...

Organism:

Drosophila mauritiana; Drosophila sechellia; Drosophila simulans; Drosophila sechellia x Drosophila simulans

Type:

Expression profiling by array

Platform:

GPL4022

22 Samples

Download data

(Submitter supplied) Species often produce sterile hybrids early in their evolutionary divergence, and some evidence suggests that hybrid sterility may be associated with deviations or disruptions in gene expression. In support of this idea, many studies have shown that a high proportion of male-biased genes are underexpressed compared to non-sex-biased genes in sterile F1 male hybrids of Drosophila species. In this study, we examined and compared patterns of misexpression in F1 hybrid male third instar larvae of Drosophila simulans and its sibling species, D. more...

Organism:

Drosophila mauritiana; Drosophila sechellia; Drosophila simulans; Drosophila sechellia x Drosophila simulans

Type:

Expression profiling by array

Platform:

GPL4022

22 Samples

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(Submitter supplied) Males hybrids from the crosses between species of the D. simulans clade are steriles as the females are fertiles. Hybrid male sterility is due to severe defects in spermatogenesis and phenotypic differences are observed between the different hybrids involving D. simulans, D. sechellia and D. mauritiana. In this study we are comparing gene expression in the testes of hybrids involving the female D. simulans and the males D. more...

Organism:

Drosophila mauritiana; Drosophila simulans; Drosophila sechellia x Drosophila simulans; Drosophila melanogaster; Drosophila sechellia

Type:

Expression profiling by array

Platform:

GPL1467

22 Samples

Download data: TIFF