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Evolution of sex-dependent gene expression in three recently diverged species of Drosophila

ABSTRACT: Evolution of sex-dependent gene expression in three recently diverged species of Drosophila

PROVIDER: PRJNA119217 | ENA |

REPOSITORIES: ENA

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Evolution of sex-dependent gene expression in three recently diverged species of Drosophila

2010-01-12 | GSE17192 | GEO

Evolution of sex-dependent gene expression in three recently diverged species of Drosophila

Project description:To identify the transcriptome divergence and sex roles underlying it in recently diverged Drosophia pseudoobscura group, we compare the global gene expression of 7-day-old whole body adults of pure species. 7-day-old virgin flies were assayed by species and sex. At least three isofemale inbred lines were used for each species (D. pseudoobscura; D. persimilis; D. pseudoobscura bogotana).All lines of each species were pooled in equal amounts.Two separate labeling reactions per sample were pooled and hybridized to the Agilent single color (Cyanine 3-CTP dye) arrays. Three different replicates were hybridized for each species and sex.

2010-05-16 | E-GEOD-17192 | biostudies-arrayexpress

Evolution of sex-dependent gene expression in three recently diverged species of Drosophila.

Project description:Sexual dimorphism in morphological, physiological, and behavioral traits is pervasive in animals, as is the observation of strong sexual dimorphism in genomewide patterns of gene expression in the few species where this has been studied. Studies of transcriptome divergence show that most interspecific transcriptional divergence is highly sex dependent, an observation consistent with the action of sex-dependent natural selection during species divergence. However, few transcriptome evolution studies have been conducted between recently diverged species (<1 MY). Here, we present analyses of sex-biased transcriptome divergence in sexually mature adults of three recently diverged species of Drosophila: Drosophila pseudoobscura, D. persimilis, and D. pseudoobscura bogotana. Data were collected using a custom designed Agilent oligonucleotide. Expression was detected in 12,507 genes. About 80% of the expressed genes show sex-biased expression in each species. Across species, 21% of the transcriptome shows switches between nonsex bias and sex bias, and just 0.9% of the transcriptome shows reversals of sex-biased expression. Over 80% of the expression divergence between species is due to changes in one sex only. About 15% of the expression divergence between species is due to changes in the same direction in both sexes and just 2% is due to changes in both sexes but in opposite directions. In agreement with previous studies, we observe a high level of sex-dependent transcriptome divergence and strong demasculinization of the two arms of the X chromosome in all species. However, in contrast to previous studies we find that male-biased genes do not have higher levels of expression divergence than non-sex-biased genes, and sex-biased genes show higher levels of expression divergence in the alternate sex, suggesting that sex-biased genes endure stronger selection when expressed in the alternate sex.

| S-EPMC2778969 | biostudies-literature

Gut microbiota in two recently diverged passerine species: evaluating the effects of species identity, habitat use and geographic distance

Project description:Gut microbiota in two recently diverged passerine species: evaluating the effects of species identity, habitat use and geographic distance

| PRJEB43057 | ENA

Sex-biased expression in heads of three Drosophila species

Project description:Sex-biased expression in heads of three Drosophila species

| PRJNA131201 | ENA

Aberrant gene expression in Drosophila hybrids supporting faster-male evolution

2013-02-02 | GSE17452 | GEO

A conserved transcriptional regulator governs fungal morphology in widely diverged species

Project description:This SuperSeries is composed of the following subset Series: GSE32550: A conserved transcriptional regulator governs fungal morphology in widely diverged species [expression data] GSE32557: A conserved transcriptional regulator governs fungal morphology in widely diverged species [ChIP-chip, Transcriptional regulation by Mit1 and orthologs] Refer to individual Series

2011-10-03 | E-GEOD-32558 | biostudies-arrayexpress

Sex-biased expression in heads of three Drosophila species

Project description:Investigation of sex-biased expression across species have relied on measurements from whole flies which sample the extensive expression differences found in the germline and gonads of females and males. We wanted to examine genes with sex-biased expression in a somatic tissue to analyze patterns of genes with sex-biased expression in the context of a tissue more phenotypically similar between females and males. We used a Nimblegen microarray designed for Drosophila melanogaster and two custom micoarrays designed for D. pseudoobscura and D. mojavensis to survey gene expression differences in heads of females and males.

2010-07-30 | GSE23309 | GEO

Aberrant gene expression in Drosophila hybrids supporting faster-male evolution

Project description:To explore the aberrant expression patterns between hybrid sexes, we compare the global gene expression of 7-day-old whole body adults of hybrids by sex in recently diverged Drosophia pseudoobscura group 7-day-old virgin hybrid flies were assayed by sex. Reciprocal F1 hybrids were produced for D. pseudoobscura/D. persimilis and D. pseudoobscura/D. p. bogotana crosses by mass mating virgin flies. At least three isofemale inbred lines were used for each species (D. pseudoobscura; D. persimilis; D. pseudoobscura bogotana).Two separate labeling reactions per sample were pooled and hybridized to the Agilent single color (Cyanine 3-CTP dye) arrays. Three different replicates were hybridized for each hybrid and sex. Pure species data (collected the same time and deposited as GSE17192 ) and hybrid data were analyzed together to determine the misexpression differences between hybrid males and females.

2011-07-01 | E-GEOD-17452 | biostudies-arrayexpress

Characterization of sex chromosomes in three deeply diverged species of Pseudocrenilabrinae (Teleostei: Cichlidae).

Project description:The African cichlid radiations have created thousands of new cichlid species with a wide diversity of trophic morphologies, behaviors, sensory systems and pigment patterns. In addition, recent research has uncovered a surprising number of young sex chromosome systems within African cichlids. Here we refine methods to describe the differentiation of young sex chromosomes from whole genome comparisons. We identified a novel XY sex chromosome system on linkage group 14 in Oreochromis mossambicus, confirmed a linkage group 1 XY system in Coptodon zillii and also defined the limits of our methodology by examining a ZW system on linkage group 3 in Pelmatolapia mariae. These data further demonstrate that cichlids are an excellent model system for understanding the early stages of sex chromosome evolution.

| S-EPMC9162429 | biostudies-literature

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