ArticleEvolution; international journal of organic evolution2021
Selection and isolation define a heterogeneous divergence landscape between hybridizing Heliconius butterflies.
Article in Evolution; international journal of organic evolution, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed.
- Multilocus basis of incipient reproductive isolation in hybridizing populations is revealed by pangenomic and epigenetic divergence.Science advances · 2026Article
- OzButterflies - a high quality open database of multispectral images and spectra of tropical to temperate Australian butterflies.Database : the journal of biological databases and curation · 2026Article
- Genomic Footprints of Hybridisation in North Atlantic Eels (Anguilla anguilla and A. rostrata).Molecular ecology · 2025Article
- Polygenic basis of incipient reproductive isolation in hybridizing populations is revealed by pangenomic and epigenetic divergence.bioRxiv : the preprint server for biology · 2025Article
- Exploring evolutionary mechanisms of genomic divergence in marine intertidal limpets.Heredity · 2025Article
- Repeated evolution of reduced visual investment at the onset of ecological speciation in high-altitudeEvolution letters · 2025Article
- A long noncoding RNA at theProceedings of the National Academy of Sciences of the United States of America · 2024Article
- Pervasive mimicry in flight behavior among aposematic butterflies.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Divergent Selection in Low Recombination Regions Shapes the Genomic Islands in Two Incipient Shorebird Species.Molecular biology and evolution · 2024Article
- Subtle Introgression Footprints at the End of the Speciation Continuum in a Clade of Heliconius Butterflies.Molecular biology and evolution · 2023Article
- High level of novelty under the hood of convergent evolution.Science (New York, N.Y.) · 2023Article
- Widespread Gene Expression Divergence in Butterfly Sensory Tissues Plays a Fundamental Role During Reproductive Isolation and Speciation.Molecular biology and evolution · 2022Article
- Secondary contact rather than coexistence-Erebia butterflies in the Alps.Evolution; international journal of organic evolution · 2022Article
- Full-Likelihood Genomic Analysis Clarifies a Complex History of Species Divergence and Introgression: The Example of the erato-sara Group of Heliconius Butterflies.Systematic biology · 2022Article
- Repeated genetic adaptation to altitude in two tropical butterflies.Nature communications · 2022Article
- Interactions Between Natural Selection and Recombination Shape the Genomic Landscape of Introgression.Molecular biology and evolution · 2022Article
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7 authors.
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Abstract
Hybridizing species provide a powerful system to identify the processes that shape genomic variation and maintain species boundaries. However, complex histories of isolation, gene flow, and selection often generate heterogeneous genomic landscapes of divergence that complicate reconstruction of the speciation history. Here, we explore patterns of divergence to reconstruct recent speciation in the erato clade of Heliconius butterflies. We focus on the genomic landscape of divergence across three contact zones of the species H. erato and H. himera. We show that these hybridizing species have an intermediate level of divergence in the erato clade, which fits with their incomplete levels of reproductive isolation. Using demographic modeling and the relationship between admixture and divergence with recombination rate variation, we reconstruct histories of gene flow, selection, and demographic change that explain the observed patterns of genomic divergence. We find that periods of isolation and selection within populations, followed by secondary contact with asymmetrical gene flow are key factors in shaping the heterogeneous genomic landscapes. Collectively, these results highlight the effectiveness of demographic modeling and recombination rate estimates to disentangling the distinct contributions of gene flow and selection to patterns of genomic divergence.
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