Maintaining genetic integrity with high promiscuity: Frequent hybridization with low introgression in multiple hybrid zones of Melocactus (Cactaceae)
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1016/j.ympev.2019.106642 http://hdl.handle.net/11449/197999 |
Resumo: | Hybridization and introgression between species in contact/hybrid zones provide important insight into the genetic and ecological mechanisms of speciation. Cactaceae represents the most important radiation of true succulent angiosperms in the New World. This diversification continues to date, with species experiencing few intrinsic barriers to gene flow and the frequent occurrence of natural hybridization. Here, we used RAD-Seq single-nucleotide polymorphism (SNP) data to investigate the genetic architecture of hybridization in four hybrid zones hosting Melocactus concinnus and four congeneric species (M. ernestii, M. glaucescens, M. paucispinus, and M. zehntneri). Our results revealed that M. concinnus is highly promiscuous in sympatric areas and hybridizes with various species distributed in Morro do Chapéu (Diamantina Plateau, Bahia), eastern Brazil. However, the contemporary genomic introgression among the investigated species is very low (c. 2–5%), confirming that even in the face of hybridization, Melocactus species maintain their genetic integrity. The genomic cline approach showed a large fraction of loci deviating from a model of neutral introgression, where most of the loci are consistent with selection favoring parental genotypes. Our results suggest the occurrence of weak premating but strong postmating reproductive isolation in the analyzed cactus species. Furthermore, as most of the Melocactus species are restricted in distribution, hybridization might negatively affect their integrity if hybrids replace the parental species. |
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Maintaining genetic integrity with high promiscuity: Frequent hybridization with low introgression in multiple hybrid zones of Melocactus (Cactaceae)CactaceaeddRAD-SeqDiamantina PlateauHybridizationInterspecific gene flowXeric enclavesHybridization and introgression between species in contact/hybrid zones provide important insight into the genetic and ecological mechanisms of speciation. Cactaceae represents the most important radiation of true succulent angiosperms in the New World. This diversification continues to date, with species experiencing few intrinsic barriers to gene flow and the frequent occurrence of natural hybridization. Here, we used RAD-Seq single-nucleotide polymorphism (SNP) data to investigate the genetic architecture of hybridization in four hybrid zones hosting Melocactus concinnus and four congeneric species (M. ernestii, M. glaucescens, M. paucispinus, and M. zehntneri). Our results revealed that M. concinnus is highly promiscuous in sympatric areas and hybridizes with various species distributed in Morro do Chapéu (Diamantina Plateau, Bahia), eastern Brazil. However, the contemporary genomic introgression among the investigated species is very low (c. 2–5%), confirming that even in the face of hybridization, Melocactus species maintain their genetic integrity. The genomic cline approach showed a large fraction of loci deviating from a model of neutral introgression, where most of the loci are consistent with selection favoring parental genotypes. Our results suggest the occurrence of weak premating but strong postmating reproductive isolation in the analyzed cactus species. Furthermore, as most of the Melocactus species are restricted in distribution, hybridization might negatively affect their integrity if hybrids replace the parental species.Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Universidade Federal de São Carlos Centro de Ciências Humanas e Biológicas Departamento de BiologiaUniversidade de São Paulo Faculdade de Filosofia Ciências e Letras de Ribeirão Preto Programa de Pós-graduação em Biologia ComparadaUniversidade Estadual de Feira de SantanaBiotechnology Institute (IBTEC) & Biosciences Institute at Botucatu (IBB) São Paulo State University (UNESP)Institute for Biology and Environmental Sciences Carl von Ossietzky UniversityBiotechnology Institute (IBTEC) & Biosciences Institute at Botucatu (IBB) São Paulo State University (UNESP)FAPESP: 2014/25227-0FAPESP: 2014/26224-5Universidade Federal de São Carlos (UFSCar)Universidade de São Paulo (USP)Universidade Estadual de Feira de SantanaUniversidade Estadual Paulista (Unesp)Carl von Ossietzky UniversityKhan, GulzarFranco, Fernando F.Silva, Gislaine A.R.Bombonato, Juliana R.Machado, MarlonAlonso, Diego P. [UNESP]Ribolla, Paulo E.M. [UNESP]Albach, Dirk C.Moraes, Evandro M.2020-12-12T00:56:14Z2020-12-12T00:56:14Z2020-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://dx.doi.org/10.1016/j.ympev.2019.106642Molecular Phylogenetics and Evolution, v. 142.1095-95131055-7903http://hdl.handle.net/11449/19799910.1016/j.ympev.2019.1066422-s2.0-85073249777Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengMolecular Phylogenetics and Evolutioninfo:eu-repo/semantics/openAccess2021-10-22T17:02:40Zoai:repositorio.unesp.br:11449/197999Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T20:27:13.267114Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Maintaining genetic integrity with high promiscuity: Frequent hybridization with low introgression in multiple hybrid zones of Melocactus (Cactaceae) |
title |
Maintaining genetic integrity with high promiscuity: Frequent hybridization with low introgression in multiple hybrid zones of Melocactus (Cactaceae) |
spellingShingle |
Maintaining genetic integrity with high promiscuity: Frequent hybridization with low introgression in multiple hybrid zones of Melocactus (Cactaceae) Khan, Gulzar Cactaceae ddRAD-Seq Diamantina Plateau Hybridization Interspecific gene flow Xeric enclaves |
title_short |
Maintaining genetic integrity with high promiscuity: Frequent hybridization with low introgression in multiple hybrid zones of Melocactus (Cactaceae) |
title_full |
Maintaining genetic integrity with high promiscuity: Frequent hybridization with low introgression in multiple hybrid zones of Melocactus (Cactaceae) |
title_fullStr |
Maintaining genetic integrity with high promiscuity: Frequent hybridization with low introgression in multiple hybrid zones of Melocactus (Cactaceae) |
title_full_unstemmed |
Maintaining genetic integrity with high promiscuity: Frequent hybridization with low introgression in multiple hybrid zones of Melocactus (Cactaceae) |
title_sort |
Maintaining genetic integrity with high promiscuity: Frequent hybridization with low introgression in multiple hybrid zones of Melocactus (Cactaceae) |
author |
Khan, Gulzar |
author_facet |
Khan, Gulzar Franco, Fernando F. Silva, Gislaine A.R. Bombonato, Juliana R. Machado, Marlon Alonso, Diego P. [UNESP] Ribolla, Paulo E.M. [UNESP] Albach, Dirk C. Moraes, Evandro M. |
author_role |
author |
author2 |
Franco, Fernando F. Silva, Gislaine A.R. Bombonato, Juliana R. Machado, Marlon Alonso, Diego P. [UNESP] Ribolla, Paulo E.M. [UNESP] Albach, Dirk C. Moraes, Evandro M. |
author2_role |
author author author author author author author author |
dc.contributor.none.fl_str_mv |
Universidade Federal de São Carlos (UFSCar) Universidade de São Paulo (USP) Universidade Estadual de Feira de Santana Universidade Estadual Paulista (Unesp) Carl von Ossietzky University |
dc.contributor.author.fl_str_mv |
Khan, Gulzar Franco, Fernando F. Silva, Gislaine A.R. Bombonato, Juliana R. Machado, Marlon Alonso, Diego P. [UNESP] Ribolla, Paulo E.M. [UNESP] Albach, Dirk C. Moraes, Evandro M. |
dc.subject.por.fl_str_mv |
Cactaceae ddRAD-Seq Diamantina Plateau Hybridization Interspecific gene flow Xeric enclaves |
topic |
Cactaceae ddRAD-Seq Diamantina Plateau Hybridization Interspecific gene flow Xeric enclaves |
description |
Hybridization and introgression between species in contact/hybrid zones provide important insight into the genetic and ecological mechanisms of speciation. Cactaceae represents the most important radiation of true succulent angiosperms in the New World. This diversification continues to date, with species experiencing few intrinsic barriers to gene flow and the frequent occurrence of natural hybridization. Here, we used RAD-Seq single-nucleotide polymorphism (SNP) data to investigate the genetic architecture of hybridization in four hybrid zones hosting Melocactus concinnus and four congeneric species (M. ernestii, M. glaucescens, M. paucispinus, and M. zehntneri). Our results revealed that M. concinnus is highly promiscuous in sympatric areas and hybridizes with various species distributed in Morro do Chapéu (Diamantina Plateau, Bahia), eastern Brazil. However, the contemporary genomic introgression among the investigated species is very low (c. 2–5%), confirming that even in the face of hybridization, Melocactus species maintain their genetic integrity. The genomic cline approach showed a large fraction of loci deviating from a model of neutral introgression, where most of the loci are consistent with selection favoring parental genotypes. Our results suggest the occurrence of weak premating but strong postmating reproductive isolation in the analyzed cactus species. Furthermore, as most of the Melocactus species are restricted in distribution, hybridization might negatively affect their integrity if hybrids replace the parental species. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-12-12T00:56:14Z 2020-12-12T00:56:14Z 2020-01-01 |
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://dx.doi.org/10.1016/j.ympev.2019.106642 Molecular Phylogenetics and Evolution, v. 142. 1095-9513 1055-7903 http://hdl.handle.net/11449/197999 10.1016/j.ympev.2019.106642 2-s2.0-85073249777 |
url |
http://dx.doi.org/10.1016/j.ympev.2019.106642 http://hdl.handle.net/11449/197999 |
identifier_str_mv |
Molecular Phylogenetics and Evolution, v. 142. 1095-9513 1055-7903 10.1016/j.ympev.2019.106642 2-s2.0-85073249777 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Molecular Phylogenetics and Evolution |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
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1808129203959234560 |