Dataset Information

Expression profiling Hawaiian Drosophila species, tissues, and sexes

ABSTRACT: This is a prepublication dataset that should change as updates are made to the underling genomes and annotations. Additional samples may be deposited and some samples may fail quality control. Please contact Haiwang Yang for details. The RNA-seq data set contains the transcriptional profiling of eight sexed tissue types (head, thorax, carcass, abdomen w/o gonad, gonad, other reproductive tract, genitalia, and digestive system) and/or whole adult flies from five strains of Drosophila grimshawi, two strains of D. silvestris, and one strain each of D. hemipeza, D. heteroneura, and D. hawaiiensis.

ORGANISM(S): Drosophila hemipeza Drosophila grimshawi synthetic construct Drosophila heteroneura Drosophila silvestris Drosophila hawaiiensis

PROVIDER: GSE80124 | GEO | 2016/06/01

SECONDARY ACCESSION(S): PRJNA317989

REPOSITORIES: GEO

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Project description:This is a prepublication dataset that should change as updates are made to the underling genomes and annotations. Additional samples may be deposited and some samples may fail quality control. Please contact Haiwang Yang <haiwang.yang@nih.gov> for details. The RNA-seq data set contains the transcriptional profiling of eight sexed tissue types (head, thorax, carcass, abdomen w/o gonad, gonad, other reproductive tract, genitalia, and digestive system) and/or whole adult flies from five strains of Drosophila grimshawi, two strains of D. silvestris, and one strain each of D. hemipeza, D. heteroneura, and D. hawaiiensis. Samples were collected in duplicate to quadruplicate from sexually mature sexed adults (4-5 weeks post eclosion), which had been allowed to freely mate. Single-end stranded 76bp PolyA+ RNA-seq was performed on all samples. Libraries were multiplexed with indexed adaptors, and some were also prepared as mixed libraries with RNA from genetically distant species: Drosophila melanogaster (GSE81142) and Anopheles stephensi (GEO entry in preparation). All whole adult samples were prepared from single flies. Tissues were pooled from 3-5 individuals depending on the size of both the tissue and the species. For the G1 strain (reference assembly strain) of D. grimshawi, we profiled seven adult tissues for each sex in addition to whole flies. Samples were whole fly (one fly per sample), head (5 flies), thorax (5 flies), abdomen w/o gonad (5 flies), gonad (testes or ovaries) (5 flies), other reproductive tract (accessory gland and male reproductive duct or female spermatheca and oviduct; 10 flies per sample), genitalia (10 flies), and digestive system (proventriculus, crop, salivary gland, gut, and renal tubule; 5 flies). We prepared sexed single fly whole body samples in quadruplicate for ZA27Z2, ZA27Z3, and Mo010 strains of D. grimshawi. We also prepared sex-specific head, carcass, gonad, other reproductive tract with genitalia with duplicate for Wm1041 strain of D. grimshawi and other species - D. silvestris (Y11R6 and U26B9 strains), D. hemipeza (W40B14 strain), D. heteroneura (W48B6 strain), and D. hawaiiensis (Y17P5 strain). We used reduced number of flies for the non-grimshawi species (i.e., 3 heads, gonads or carcasses per sample, and 6 reproductive tracts plus genitalia per sample).

Project description:We generated RNA-seq data of Drosophila simulans and Drosophila mauritiana developing male genitalia in order to identify expression level differences between these species. These species are closely related, yet have dramatic differences in their male genital morphologies. Three independent RNA-seq library replicates were generated for Dsim w501 and Dmau D1 developing male genitalia. Flies were reared under the above conditions, and white pre-pupae collected. Males were selected using gonad size and allowed to develop in a humid container at 25ºC until stages 2 and 4.5 (see staging guide in (Hagen et al., 2019); tartan underlies the evolution of Drosophila male genital morphology). Between these stages, the claspers develop from a ridge structure to a distinct appendage separate from the surrounding tissue, and the posterior lobe has begun to extend outwards from the lateral plate primordia (Hagen et al., 2019). The heads of pupae were impaled with a needle onto a charcoal agar plate and submerged in 1xPBS. Dissection scissors were used to remove the distal tip of the pupal case and the outer membrane, and pressure applied to the abdomen to allow the developing genitalia to be quickly expelled from the pupal case and dissected away from the abdomen. Note that the entire genital arch, including internal genital organs (but not including abdominal tissue), was isolated for RNA extraction. The genitalia from fifteen males from each stage were collected and placed directly into TRIzol. RNA was then extracted using standard procedures. Quality and quantity of RNA was verified using a Qubit, and samples were sent to the Centre for Genomic Research at the University of Liverpool where dual-indexed, strand-specific RNA-seq libraries were prepared using NEBNext polyA selection and Ultra Directional RNA preparation kits. Samples were then sequenced using Illumina HiSeq 4000 (paired-end, 2x150 bp sequencing). Dsim w501 and Dmau D1 reads were mapped against reannotated reference coding sequences (Torres-Oliva et al., 2016).

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Expression profiling Hawaiian Drosophila species, tissues, and sexes

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