Contrasting levels of hybridization across the two contact zones between two hedgehog species revealed by genome-wide SNP data

Eliášová, Kristýna; Lledó, J. Ignacio Lucas; Grau, José Horacio; Loudová, Miroslava; Банникова, А. А.; Zolotareva, Katerina I; Beneš, Vladimír; Hulva, Pavel; Bolfíková, Barbora Černá

doi:10.1038/s41437-022-00567-5

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2022

DOI: 10.1038/s41437-022-00567-5

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Contrasting levels of hybridization across the two contact zones between two hedgehog species revealed by genome-wide SNP data

Kristýna Eliášová

J. Ignacio Lucas Lledó²,

José Horacio Grau

et al.

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Cited by 6 publications

References 73 publications

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Genetic admixture between Central European and Alpine wolf populations

Hulva,

Collet,

Baránková

et al. 2024

Wildlife Biology

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The recovery and expansion of formerly isolated wolf populations in Europe raise questions about the nature of their interactions and future consequences for population viability and conservation. Will fragmented populations fuse or maintain a certain level of isolation with migration? Central Europe is suitable for obtaining empirical data in this field as it represents a ‘crossroad' with the potential for contact among several phylogeographic lineages. In this study, non‐invasive genetic samples obtained during population monitoring in the Bohemian and Bavarian Forest (BBF) mountain ranges in the Czech Republic and Germany (Bohemian Massif) were analysed at different neutral markers including mitochondrial sequence, nuclear autosomal microsatellites and gonosomal sex markers. Resultant genetic profiles were compared with reference data to study population ancestry. Both cluster analyses of microsatellite genotypes and syntopic occurrence of haplotypes HW01 and HW22 showed genetic admixture between Central European and Alpine populations. This represents secondary contact and interbreeding of formerly allopatric populations with different phylogeographic histories and distant expansion centres in different biomes in the Baltic region versus the Apennine peninsula and Alps. Moreover, the study describes the founding event and genealogy of this admixed deme, inhabiting intermediate environmental conditions compared to parental forms, and emphasises the role of protected areas as stepping stones in the range recolonization process in endangered large mammals.

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Genetic admixture between Central European and Alpine wolf populations

Hulva,

Collet,

Baránková

et al. 2024

Wildlife Biology

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Geological events and climate change drive diversification and speciation of mute cicadas in eastern continental Asia

Liu

Wang

2023

Molecular Phylogenetics and Evolution

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Beyond gene flow: (non)‐parallelism of secondary contact in a pair of highly differentiated sibling species

Augustijnen,

Lucek

2024

Molecular Ecology

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Replicated secondary contact zones can provide insights into the barriers to gene flow that are important during speciation and can reveal to which degree secondary contact may result in similar evolutionary outcomes. Here, we studied two secondary contact zones between highly differentiated Alpine butterflies of the genus Erebia using whole‐genome resequencing data. We assessed the genomic relationships between populations and species and found hybridization to be rare, with no to little current or historical introgression in either contact zone. There are large similarities between contact zones, consistent with an allopatric origin of interspecific differentiation, with no indications for ongoing reinforcing selection. Consistent with expected reduced effective population size, we further find that scaffolds related to the Z‐chromosome show increased differentiation compared to the already high levels across the entire genome, which could also hint towards a contribution of the Z chromosome to species divergence in this system. Finally, we detected the presence of the endosymbiont Wolbachia, which can cause reproductive isolation between its hosts, in all E. cassioides, while it appears to be fully or largely absent in contact zone populations of E. tyndarus. We discuss how this rare pattern may have arisen and how it may have affected the dynamics of speciation upon secondary contact.

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Contrasting levels of hybridization across the two contact zones between two hedgehog species revealed by genome-wide SNP data

Cited by 6 publications

References 73 publications

Genetic admixture between Central European and Alpine wolf populations

Genetic admixture between Central European and Alpine wolf populations

Geological events and climate change drive diversification and speciation of mute cicadas in eastern continental Asia

Beyond gene flow: (non)‐parallelism of secondary contact in a pair of highly differentiated sibling species

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