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Genomic data and multi-species demographic modelling uncover past hybridization between currently allopatric freshwater species

2021-08Journal article Open access
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dc.contributor.authorMendes, Sofia L.
dc.contributor.authorMachado, Miguel P.
dc.contributor.authorMM, Coelho
dc.contributor.authorSousa, Vitor C
dc.date.accessioned2021-09-13T16:56:22Z
dc.date.available2022-02-28T01:30:58Z
dc.date.issued2021-08
dc.description.abstractEvidence for ancient interspecific gene flow through hybridization has been reported in many animal and plant taxa based on genetic markers. The study of genomic patterns of closely related species with allopatric distributions allows the assessment of the relative importance of vicariant isolating events and past gene flow. Here, we investigated the role of gene flow in the evolutionary history of four closely related freshwater fish species with currently allopatric distributions in western Iberian rivers—Squalius carolitertii, S. pyrenaicus, S. torgalensis and S. aradensis—using a population genomics dataset of 23,562 SNPs from 48 individuals, obtained through genotyping by sequencing (GBS). We uncovered a species tree with two well-differentiated clades: (i) S. carolitertii and S. pyrenaicus; and (ii) S. torgalensis and S. aradensis. By using D-statistics and demographic modelling based on the site frequency spectrum, comparing alternative demographic scenarios of hybrid origin, secondary contact and isolation, we found that the S. pyrenaicus North lineage is likely the result of an ancient hybridization event between S. carolitertii (contributing ~84%) and S. pyrenaicus South lineage (contributing ~16%), consistent with a hybrid speciation scenario. Furthermore, in the hybrid lineage, we identify outlier loci potentially affected by selection favouring genes from each parental lineage at different genomic regions. Our results suggest that ancient hybridization can affect speciation and that freshwater fish species currently in allopatry are useful to study these processes.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMendes, S.L., Machado, M.P., Coelho, M.M. et al. Genomic data and multi-species demographic modelling uncover past hybridization between currently allopatric freshwater species. Heredity (2021). https://doi.org/10.1038/s41437-021-00466-1pt_PT
dc.identifier.doi10.1038/s41437-021-00466-1pt_PT
dc.identifier.issn1365-2540
dc.identifier.urihttp://hdl.handle.net/10451/49508
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringer Naturept_PT
dc.relationFCT grant CEECIND/02391/2017pt_PT
dc.relationCentre for Ecology, Evolution and Environmental Changes
dc.relationMapping migration and adaptation in genomes
dc.relation.publisherversionhttps://www.nature.com/articles/s41437-021-00466-1pt_PT
dc.titleGenomic data and multi-species demographic modelling uncover past hybridization between currently allopatric freshwater speciespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleCentre for Ecology, Evolution and Environmental Changes
oaire.awardTitleMapping migration and adaptation in genomes
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FBIA%2F00329%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/157405/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/OE/74805/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/POCTI/6862/PT
oaire.awardURIinfo:eu-repo/grantAgreement/EC/H2020/799729/EU
oaire.citation.titleHereditypt_PT
oaire.fundingStream6817 - DCRRNI ID
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person.familyNameMendes
person.familyNameMachado
person.familyNameCoelho
person.familyNameMartins Conde e Sousa
person.givenNameSofia
person.givenNameMiguel
person.givenNameMaria
person.givenNameVitor
person.identifierP-1871-2016
person.identifier.ciencia-idC314-9608-1B22
person.identifier.ciencia-id3A18-725E-8CBE
person.identifier.ciencia-id3A15-8A0A-6687
person.identifier.ciencia-id5E17-4632-C1FF
person.identifier.orcid0000-0001-8915-701X
person.identifier.orcid0000-0002-1786-8522
person.identifier.orcid0000-0003-3288-1693
person.identifier.orcid0000-0003-3575-0875
person.identifier.ridF-6846-2015
person.identifier.ridB-8672-2009
person.identifier.scopus-author-id26643445100
person.identifier.scopus-author-id23989723700
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100008530
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameEuropean Commission
rcaap.embargofctO tipo de licença envolvido com a editora Nature para esta revista, não envolvendo pagamento (APC), apenas permite acesso em repositório público do formato 'aceite' (i.e não editado e paginado pela editora) após período de embargo de 6 meses após a data da sua publicação final.pt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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