ArticleMolecular biology and evolution2014
Recent selection on the Y-to-dot translocation in Drosophila pseudoobscura.
Article in Molecular biology and evolution, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- A population genomic resource for Drosophila pseudoobscura.G3 (Bethesda, Md.) · 2026Article
- Article
- Population genomics ofbioRxiv : the preprint server for biology · 2026Article
- Paralog-Dependent Specialization of Paf1C Subunit, Ctr9, for Sex Chromosome Gene Regulation and Male Germline Differentiation in Drosophila.Genes to cells : devoted to molecular & cellular mechanisms · 2025Article
- Evidence for evolution of a new sex chromosome within the haploid-dominant Marchantiales plant lineage.Journal of integrative plant biology · 2025Article
- Establishment and evolution of heterochromatin.Annals of the New York Academy of Sciences · 2020Review
- An investigation of Y chromosome incorporations in 400 species of Drosophila and related genera.PLoS genetics · 2018Article
- TheGenetics · 2018Article
- Variable Rates of Simple Satellite Gains across the Drosophila Phylogeny.Molecular biology and evolution · 2018Article
- Genomic changes following the reversal of a Y chromosome to an autosome in Drosophila pseudoobscura.Evolution; international journal of organic evolution · 2017Article
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2 authors.
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Abstract
The Drosophila pseudoobscura dot chromosome acquired genes from the ancestral Drosophila Y chromosome in a Y-to-dot translocation event that occurred between 12.7 and 20.8 Ma. The formerly Y-linked genes mostly retained their testis-specific expression but shrank drastically in size, mostly through intron reduction, since becoming part of the dot chromosome in this species. We investigated the impact of this translocation on the evolution of the both the Y-to-dot translocated region and the original segments of the dot chromosome in D. pseudoobscura. Our survey of polymorphism and divergence across the chromosome reveals a reduction in variation, a deletion polymorphism segregating at high frequency, and a shift in the frequency spectra, all consistent with a history of recent selective sweeps in the Y-to-dot translocated region but not on the rest of the dot chromosome. We do find evidence for recombination primarily as gene conversion on the dot chromosome; however, predicted recombination events are restricted to the part of the dot chromosome outside the translocation. It therefore appears that recombination has resulted in a degree of decoupling between the ancestral Y region and the conserved region of the dot chromosome.
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