In search of the Goldilocks zone for hybrid speciation

Detalhes bibliográficos
Autor(a) principal: Blanckaert, Alexandre
Data de Publicação: 2018
Outros Autores: Bank, Claudia
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10400.7/894
Resumo: This deposit is composed by the main article plus the supplementary materials of the publication.
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spelling In search of the Goldilocks zone for hybrid speciationHybrid specificationHaplotypesGenetic LociAllelesPopulation SizeNatural SelectionEpistasisPopulation geneticsThis deposit is composed by the main article plus the supplementary materials of the publication.The supplementary materials can also be accessed through the following link: https://journals.plos.org/plosgenetics/article?id=10.1371/journal.pgen.1007613#sec021Hybridization has recently gained considerable interest both as a unique opportunity for observing speciation mechanisms and as a potential engine for speciation. The latter remains a controversial topic. It was recently hypothesized that the reciprocal sorting of genetic incompatibilities from parental species could result in hybrid speciation, when the hybrid population maintains a mixed combination of the parental incompatibilities that prevents further gene exchange with both parental populations. However, the specifics of the purging/sorting process of multiple incompatibilities have not been examined theoretically. We here investigate the allele-frequency dynamics of an isolated hybrid population that results from a single hybridization event. Using models of two or four loci, we investigate the fate of one or two genetic incompatibilities of the Dobzhansky-Muller type (DMIs). We study how various parameters affect both the sorting/purging of the DMIs and the probability of observing hybrid speciation by reciprocal sorting. We find that the probability of hybrid speciation is strongly dependent on the linkage architecture (i.e. the order and recombination rate between loci along chromosomes), the population size of the hybrid population, and the initial relative contributions of the parental populations to the hybrid population. We identify a Goldilocks zone for specific linkage architectures and intermediate recombination rates, in which hybrid speciation becomes highly probable. Whereas an equal contribution of parental populations to the hybrid population maximizes the hybrid speciation probability in the Goldilocks zone, other linkage architectures yield unintuitive asymmetric maxima. We provide an explanation for this pattern, and discuss our results both with respect to the best conditions for observing hybrid speciation in nature and their implications regarding patterns of introgression in hybrid zones.This research was supported by the Fundação Calouste Gulbenkian. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.ARCABlanckaert, AlexandreBank, Claudia2018-09-25T10:54:01Z2018-09-072018-09-07T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfapplication/pdfhttp://hdl.handle.net/10400.7/894engCitation: Blanckaert A, Bank C (2018) In search of the Goldilocks zone for hybrid speciation. PLoS Genet 14(9): e1007613. https://doi.org/10.1371/ journal.pgen.100761310.1371/journal.pgen.1007613info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2022-11-29T14:35:18Zoai:arca.igc.gulbenkian.pt:10400.7/894Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T16:12:06.164869Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv In search of the Goldilocks zone for hybrid speciation
title In search of the Goldilocks zone for hybrid speciation
spellingShingle In search of the Goldilocks zone for hybrid speciation
Blanckaert, Alexandre
Hybrid specification
Haplotypes
Genetic Loci
Alleles
Population Size
Natural Selection
Epistasis
Population genetics
title_short In search of the Goldilocks zone for hybrid speciation
title_full In search of the Goldilocks zone for hybrid speciation
title_fullStr In search of the Goldilocks zone for hybrid speciation
title_full_unstemmed In search of the Goldilocks zone for hybrid speciation
title_sort In search of the Goldilocks zone for hybrid speciation
author Blanckaert, Alexandre
author_facet Blanckaert, Alexandre
Bank, Claudia
author_role author
author2 Bank, Claudia
author2_role author
dc.contributor.none.fl_str_mv ARCA
dc.contributor.author.fl_str_mv Blanckaert, Alexandre
Bank, Claudia
dc.subject.por.fl_str_mv Hybrid specification
Haplotypes
Genetic Loci
Alleles
Population Size
Natural Selection
Epistasis
Population genetics
topic Hybrid specification
Haplotypes
Genetic Loci
Alleles
Population Size
Natural Selection
Epistasis
Population genetics
description This deposit is composed by the main article plus the supplementary materials of the publication.
publishDate 2018
dc.date.none.fl_str_mv 2018-09-25T10:54:01Z
2018-09-07
2018-09-07T00:00:00Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10400.7/894
url http://hdl.handle.net/10400.7/894
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Citation: Blanckaert A, Bank C (2018) In search of the Goldilocks zone for hybrid speciation. PLoS Genet 14(9): e1007613. https://doi.org/10.1371/ journal.pgen.1007613
10.1371/journal.pgen.1007613
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
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