Dataset Information

Evolutionary quantitative proteomics of reproductive interactions in Drosophila

ABSTRACT: We present data using a novel method to simultaneously identify and quantify transferred male seminal proteins and the female reproductive proteome using multiplexed Tandem-Mass-Tag (TMT) isobaric labelling of the lower female reproductive tracts dissected from virgin- or recently mated- females of three species of the virilis group. We identified over 200 putative male ejaculate proteins many of which show differential abundance between species. We also identified over 2000 proteins providing the first description of the Drosophila female reproductive tract proteome outside of the melanogaster group which also shows significant divergence between species. We then assessed the utility of species-specific compared to single species query databases for protein identification and quantification.

INSTRUMENT(S): Orbitrap Fusion Lumos

ORGANISM(S): Drosophila Virilis Drosophila Americana Drosophila Novamexicana

TISSUE(S): Spermatozoon, Female Reproductive System, Oviductal Fluid, Bursa Copulatrix, Seminal Plasma, Female Reproductive Gland, Spermatheca

SUBMITTER: Martin Garlovsky

LAB HEAD: Yasir H. Ahmed-Braimah

PROVIDER: PXD031638 | Pride | 2023-10-24

REPOSITORIES: Pride

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Publications

Evolutionary Quantitative Proteomics of Reproductive Protein Divergence in Drosophila.

Garlovsky Martin D MD Ahmed-Braimah Yasir H YH

Molecular & cellular proteomics : MCP 20230628 8

Reproductive traits often evolve rapidly between species. Understanding the causes and consequences of this rapid divergence requires characterization of female and male reproductive proteins and their effect on fertilization success. Species in the Drosophila virilis clade exhibit rampant interspecific reproductive incompatibilities, making them ideal for studies on diversification of reproductive proteins and their role in speciation. Importantly, the role of intraejaculate protein abundance a ...[more]

PMID: 37391044

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Project description:In internally fertilizing organisms, mating involves a series of highly coordinated molecular interactions between the sexes that occur within the female reproductive tract. In species with promiscuous mating systems, traits involved in postcopulatory interactions are expected to evolve rapidly, potentially leading to postmating-prezygotic (PMPZ) reproductive isolation between diverging populations. Here, we use a novel study design to investigate the postmating transcriptional response of Drosophila mojavensis female reproductive tracts following copulation with either conspecific or heterospecific (D. arizonae) males at three time points postmating. Relatively few genes (15 total) were transcriptionally regulated in the female lower reproductive tract in response to conspecific mating. Heterospecifically-mated females exhibited significant perturbations in the expression of the majority of these genes, and also downregulated transcription of a number of others, including several involved in mitochondrial function. These striking regulatory differences indicate failed postcopulatory molecular interactions between the sexes consistent with the strong PMPZ isolation observed for this cross. We also report, for the first time, the transfer of male mRNA transcripts to females during copulation. These included transcripts from male accessory-gland proteins (ACPs), a finding with potentially broad implications for understanding postcopulatory molecular interactions between the sexes. Dataset from Postmating transcriptional changes in reproductive tracts of con- and heterospecifically-mated Drosophila mojavensis females Bono, JM, Matzkin,LM, Kelleher, ES, and Markow, MA, Proceedings of the National Academy of Sciences, USA. The treatments were con- and heterospecific mated D. mojavensis females. Three different post-copulation times points were assayed, 15 minutes, 2 hours and 6 hours. For each time point there were two independent replicates. Additionally, two replicates of a virgin D. mojavensis female control were assayed. A total of 14 arrays. All RNA extractions were from the lower reproductive tract of females.

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