ArticleEcology letters2017
Shifting barriers and phenotypic diversification by hybridisation.
Article in Ecology letters, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Unidirectional genomic introgression facilitates the colonization of an invasive orchid in arid, metal-enriched sedimentary habitats.Plant communications · 2026Article
- Article
- Pervasive Introgression During Rapid Diversification of the European Mountain Genus Soldanella (L.) (Primulaceae).Systematic biology · 2023Article
- Phylogenomics of trophically diverse cichlids disentangles processes driving adaptive radiation and repeated trophic transitions.Ecology and evolution · 2022Article
- First molecular evidence of hybridization in endosymbiotic ciliates (Protista, Ciliophora).Frontiers in microbiology · 2022Article
- Performance comparison of two reduced-representation based genome-wide marker-discovery strategies in a multi-taxon phylogeographic framework.Scientific reports · 2021Article
- Congruent geographic variation in saccular otolith shape across multiple species of African cichlids.Scientific reports · 2020Article
- Uncharted digenean diversity in Lake Tanganyika: cryptogonimids (Digenea: Cryptogonimidae) infecting endemic lates perches (Actinopterygii: Latidae).Parasites & vectors · 2020Article
- The evolution of polymorphism in the warning coloration of the Amazonian poison frog Adelphobates galactonotus.Heredity · 2020Article
- Only true pelagics mix: comparative phylogeography of deepwater bathybatine cichlids from Lake Tanganyika.Hydrobiologia · 2019Article
- Delineating species along shifting shorelines:Frontiers in zoology · 2018Article
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Authors and funding
7 authors.
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Abstract
The establishment of hybrid taxa relies on reproductive isolation from the parental forms, typically achieved by ecological differentiation. Here, we present an alternative mechanism, in which shifts in the strength and location of dispersal barriers facilitate diversification by hybridisation. Our case study concerns the highly diverse, stenotopic rock-dwelling cichlids of the African Great Lakes, many of which display geographic colour pattern variation. The littoral habitat of these fish has repeatedly been restructured in the course of ancient lake level fluctuations. Genetic data and an experimental cross support the hybrid origin of a distinct yellow-coloured variant of Tropheus moorii from ancient admixture between two allopatric, red and bluish variants. Deficient assortative mating preferences imply that reproductive isolation continues to be contingent on geographic separation. Linking paleolimnological data with the establishment of the hybrid variant, we sketch a selectively neutral diversification process governed solely by rearrangements of dispersal barriers.
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