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The Genetic Basis of Rapidly Evolving Male Genital Morphology in Drosophila

ABSTRACT: Deep sequencing of total RNA extracted from the genital discs of males for each of the following strains : Drosophila sechellia, Drosophila mauritiana, hybrid introgression line 3Q1(A) and hybrid introgression line Q1(A)

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

PROVIDER: GSE28663 | GEO | 2011/07/22

SECONDARY ACCESSION(S): PRJNA138869

REPOSITORIES: GEO

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The Genetic Basis of Rapidly Evolving Male Genital Morphology in Drosophila

Project description:Deep sequencing of total RNA extracted from the genital discs of males for each of the following strains : Drosophila sechellia, Drosophila mauritiana, hybrid introgression line 3Q1(A) and hybrid introgression line Q1(A) Analysis of poly(A)+ RNA for three independent biological replicates of sequencing libraries for each of the following strains: D. sechellia w, D. mauritiana P-insertion Q1, hybrid introgression line 3Q1(A), and hybrid introgression line Q1(A). Male genital discs were obtained as described above, and total RNA was extracted using RNAqueousM-CM-^BM-BM-.-Micro Kit (Ambion). Poly(A)+ transcripts were isolated subsequently using MicroPoly(A)PuristM-CM-"M-BM-^DM-BM-" Kit (Ambion). To facilitate normalization of reads across our samples, at this stage of library construction we spiked-in small amounts of exogenous RNA from ArrayControlM-CM-"M-BM-^DM-BM-" Kit (Ambion) into each sample of poly(A)+ RNA. Paired-end sequencing was carried out by loading the samples onto four lanes (three samples per lane) of a flow cell and run on an Illumina Genome Analyzer IIx sequencer using 72 cycles per end of each paired-end read. Biological replicates of each genotype were loaded onto separate lanes.

2011-07-22 | E-GEOD-28663 | biostudies-arrayexpress

The Genetic Basis of Rapidly Evolving Male Genital Morphology in Drosophila.

Project description:We performed genome-wide expression assays comparing gene expression in the Drosophila melanogaster third larval instar genital imaginal disc between males and females. We used microarrays to compare the relative expression levels of five independent male versus female comparisons for each of two different D. melanogaster wild-type strains, Canton-S and Berlin. All microarrays were dual channel direct comparisons of late third larval instar male versus female genital imaginal discs from two Drosophila melanogaster wildtype strains, Canton S and Berlin. For each strain five independent biological samples were analyzed using a dye-swap design (i.e. male samples labeled with Cy5 in three replicates were labeled with Cy3 in the other two replicates in that experimental set).

2011-07-20 | E-GEOD-26348 | biostudies-arrayexpress

The Genetic Basis of Rapidly Evolving Male Genital Morphology in Drosophila.

2011-07-21 | GSE26348 | GEO

Project description:Drosophila sechellia/D. mauritiana introgression lines sequencing

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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. mauritiana F1 third instar male larvae hybrid 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 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

2006-09-13 | GSE5592 | GEO

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

2006-06-12 | GSE3673 | GEO

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

The Genetic Basis of Rapidly Evolving Male Genital Morphology in Drosophila

Project description:The Genetic Basis of Rapidly Evolving Male Genital Morphology in Drosophila

| PRJNA138869 | ENA

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

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