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Comparison of D. simulans/D. mauritiana F1 third instar male larvae hybrid expression values to pure-species parents

ABSTRACT: 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. mauritiana. We analyzed hybrids using custom cDNA arrays we developed from RT-PCRs of spermatogenesis-related transcripts from these species and another sibling species (D. sechellia). The results from a commercial genome-wide array and custom chip for adults of this species pair, from the custom chip and the genome-wide chip for adults of the D. simulans-D. sechellia species pair, and from the larvae of the D. simulans-D. sechellia species pair, are presented separately. Keywords: Comparison of pure-species Drosophila expression to hybrid expression

OTHER RELATED OMICS DATASETS IN: PRJNA96863PRJNA104367PRJNA104365PRJNA104363PRJNA104371PRJNA104355PRJNA104369

ORGANISM(S): Drosophila sechellia Drosophila simulans Drosophila mauritiana Drosophila simulans x Drosophila mauritiana

PROVIDER: GSE5592 | GEO | 2006/09/13

SECONDARY ACCESSION(S): PRJNA104355

REPOSITORIES: GEO

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Comparison of D. simulans/D. mauritiana F1 male hybrid custom expression values to pure-species parents

Project description: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. mauritiana. We analyzed hybrids using custom cDNA arrays we developed from RT-PCRs of spermatogenesis-related transcripts from these species and another sibling species (D. sechellia). The results from a commercial genome-wide array for this species pair, from the custom chip and the genome-wide chip for the D. simulans-D. sechellia species pair, and from the larvae of these two species pairs using the custom chip, is presented separately. Keywords: Comparison of pure-species Drosophila expression to hybrid expression

2006-09-13 | GSE5599 | GEO

Comparison of D. simulans/D. sechellia F1 male hybrid custom expression values to pure-species parents

Project description: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. sechellia. We analyzed hybrids using custom cDNA arrays we developed from RT-PCRs of spermatogenesis-related transcripts from these species and another sibling species (D. mauritiana). The results from a commercial genome-wide array for this species pair, from the custom chip and the genome-wide chip for the D. simulans-D. mauritiana species pair, and from the larvae of these two species pairs using the custom chip, is presented separately. Keywords: Comparison of pure-species Drosophila expression to hybrid expression

2006-09-13 | GSE5600 | GEO

Comparison of D. simulans/D. sechellia third instar male larvae hybrid expression values to pure-species larvae parents

Project description: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. sechellia. We analyzed hybrids using custom cDNA arrays we developed from RT-PCRs of spermatogenesis-related transcripts from these species and another sibling species (D. mauritiana). The results from a commercial genome-wide array and custom chip for adults of this species pair, from the custom chip and the genome-wide chip for adults of the D. simulans-D. mauritiana species pair, and from the larvae of the D. simulans-D. mauritiana species pair, are presented separately. Keywords: Comparison of pure-species Drosophila expression to hybrid expression in larvae

2006-09-13 | GSE5598 | GEO

Comparison of D. simulans/D. sechellia F1 male hybrid genome-wide expression values to pure-species parents

Project description: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. sechellia. We analyzed hybrids using genome-wide D. melanogaster arrays from the Drosophila Genome Resource Center (DGRC). The results from a custom array (GPL4022) for this species pair, from the custom array and the genome-wide array for the D. simulans-D. mauritiana species pair, and from the larvae of these two species pairs using the custom array, are presented separately. Keywords: Comparison of pure-species Drosophila expression to hybrid expression

2006-09-13 | GSE5607 | GEO

Comparison of D. simulans/D. mauritiana F1 male hybrid genome-wide expression values to pure-species parents

Project description: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. mauritiana. We analyzed hybrids using genome-wide D. melanogaster arrays from the Drosophila Genome Resource Center (DGRC). The results from a custom array (GPL4022) for this species pair, from the custom array and the genome-wide array for the D. simulans-D. sechellia species pair, and from the larvae of these two species pairs using the custom array, are presented separately. Keywords: Comparison of pure-species Drosophila expression to hybrid expression

2006-09-13 | GSE5601 | GEO

Comparison of testes gene expression of D. melanogaster species and their hybrids

2006-06-12 | GSE3673 | GEO

Analysis of sex chromosomes effect on hybrid male sterility

Project description: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 Testes from for days old individuals (D. simulans, D. sechellia, hybrid D. simulans female x D. sechellia male, hybrid D. sechellia female x D. simulans male) were dissected and RNA was extracted and hybridized along with a reference RNA from the whole body of 4 days old D. melanogaster male. Gene expression in hybrids were compared to parental gene expression in order to isolate misexpressed genes in each hybrids. In order to reveal the cross effect misexpressed genes in hybrids were compared to identify genes commonly misexpressed and genes genes misexpressed in only one hybrid.

2009-11-01 | E-GEOD-4677 | biostudies-arrayexpress

Comparison of testes gene expression of D. melanogaster species and their hybrids

Project description: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. melanogaster, D. mauritiana, or D. sechellia to the gene expression in species testes. Keywords: Comparative genomic hybridization 4 species (D. melanogaster, D. simulans, D. sechellia, D. mauritiana) and 3 different hybrids were used in this study. RNA extracted from whole D. melanogaster males was used as a reference. Hybridizations were perfomed using RNA extraxted from a pool of 200 testes from a sample with RNA extracted from whole D. melanogaster males. At least three independent replicates per hybridizations were performed

2006-06-11 | E-GEOD-3673 | biostudies-arrayexpress

Developmental time-course study of Drosophila melanogaster, D. sechellia, D. simulans, and D. sim x D.s sec hybrids

Project description: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. melanogaster, D. sechellia, and D. simulans, at four synchronized developmental time-points (3rd instar larval [larval], early pupal, late pupal, and newly-emerged adult [adult]). D. simulans and D. sechellia shared a most recent common ancestor (MRCA) ~0.5 to 1.0 million years ago (MYA) and form a clade that shared an MRCA with D. melanogaster approximately 5.4 MYA. In addition, we also performed the same analysis on the male interspecific F1 hybrids of the D. simulans (♀) × D. sechellia (♂) cross.

2010-08-03 | GSE17535 | GEO

Analysis of sex chromosomes effect on hybrid male sterility

2009-11-01 | GSE4677 | GEO

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