Genomic evidence of speciation by fusion in a recent radiation of grasshoppers

Postdivergence gene flow can trigger a number of creative evolutionary outcomes, ranging from the transfer of beneficial alleles across species boundaries (i.e., adaptive introgression) to the formation of new species (i.e., hybrid speciation). Although neutral and adaptive introgression has been br...

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Detalles Bibliográficos
Autores: Noguerales, Víctor, Ortego, Joaquín
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2022
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/296136
Acceso en línea:http://hdl.handle.net/10261/296136
Access Level:acceso abierto
Palabra clave:Demographic modeling
hybrid speciation
hybridization
introgression
trophic niche expansion
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spelling Genomic evidence of speciation by fusion in a recent radiation of grasshoppersNoguerales, VíctorOrtego, JoaquínDemographic modelinghybrid speciationhybridizationintrogressiontrophic niche expansionPostdivergence gene flow can trigger a number of creative evolutionary outcomes, ranging from the transfer of beneficial alleles across species boundaries (i.e., adaptive introgression) to the formation of new species (i.e., hybrid speciation). Although neutral and adaptive introgression has been broadly documented in nature, hybrid speciation is assumed to be rare and the evolutionary and ecological context facilitating this phenomenon still remains controversial. Through combining genomic and phenotypic data, we evaluate the hypothesis that the dual feeding regime (based on both scrub legumes and gramineous herbs) of the taxonomically controversial grasshopper Chorthippus saulcyi algoaldensis resulted from hybridization between the sister taxa C. binotatus (that exclusively feeds on scrub legumes) and C. saulcyi (that only feeds on gramineous herbs). Genetic clustering analyses and inferences from coalescent-based demographic simulations confirm that C. s. algoaldensis represents an independently evolving lineage and support the ancient hybrid origin of this taxon (about 1.4 Ma), which sheds light on its uncertain phylogenetic position and might explain its broader trophic niche. We propose a Pleistocene hybrid speciation model where range shifts resulting from climatic oscillations can promote the formation of hybrid swarms and facilitate their long-term persistence through geographic isolation from parental forms in topographically complex landscapes.We are grateful to P. J. Cordero and A. Hidalgo-Galiana for their help during field and laboratory work, respectively, and two anonymous referees for their constructive and valuable comments on an earlier version of the manuscript. We wish to thank to Centro de Supercomputación de Galicia (CESGA) and Doñana’s Singular Scientific-Technical Infrastructure (ICTS-RBD) for access to computer resources. Logistical support was provided by Laboratorio de Ecología Molecular (LEMEBD) from Estación Biológica de Doñana. This work was funded by the Spanish Ministry of Science and Innovation and the European Regional Development Fund (grants CGL2011-25053, CGL2014-54671-P, CGL2016-80742-R, CGL2017-83433-P, and PID2021 123298NBI00). During this work, VN was supported by a Juan de la Cierva-Formación postdoctoral fellowship (grant FJC2018-035611-I) funded by MCIN/AEI/10.13039/501100011033.Peer reviewedJohn Wiley & SonsMinisterio de Ciencia e Innovación (España)European CommissionAgencia Estatal de Investigación (España)Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202320232022info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/296136reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/MICINN//CGL2011-25053info:eu-repo/grantAgreement/MINECO//CGL2014-54671-Pinfo:eu-repo/grantAgreement/MINECO//CGL2016-80742-Rinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CGL2017-83433-Pinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2021-123298NB-I00https://doi.org/10.1111/evo.14508Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/2961362026-05-22T06:33:51Z
dc.title.none.fl_str_mv Genomic evidence of speciation by fusion in a recent radiation of grasshoppers
title Genomic evidence of speciation by fusion in a recent radiation of grasshoppers
spellingShingle Genomic evidence of speciation by fusion in a recent radiation of grasshoppers
Noguerales, Víctor
Demographic modeling
hybrid speciation
hybridization
introgression
trophic niche expansion
title_short Genomic evidence of speciation by fusion in a recent radiation of grasshoppers
title_full Genomic evidence of speciation by fusion in a recent radiation of grasshoppers
title_fullStr Genomic evidence of speciation by fusion in a recent radiation of grasshoppers
title_full_unstemmed Genomic evidence of speciation by fusion in a recent radiation of grasshoppers
title_sort Genomic evidence of speciation by fusion in a recent radiation of grasshoppers
dc.creator.none.fl_str_mv Noguerales, Víctor
Ortego, Joaquín
author Noguerales, Víctor
author_facet Noguerales, Víctor
Ortego, Joaquín
author_role author
author2 Ortego, Joaquín
author2_role author
dc.contributor.none.fl_str_mv Ministerio de Ciencia e Innovación (España)
European Commission
Agencia Estatal de Investigación (España)
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Demographic modeling
hybrid speciation
hybridization
introgression
trophic niche expansion
topic Demographic modeling
hybrid speciation
hybridization
introgression
trophic niche expansion
description Postdivergence gene flow can trigger a number of creative evolutionary outcomes, ranging from the transfer of beneficial alleles across species boundaries (i.e., adaptive introgression) to the formation of new species (i.e., hybrid speciation). Although neutral and adaptive introgression has been broadly documented in nature, hybrid speciation is assumed to be rare and the evolutionary and ecological context facilitating this phenomenon still remains controversial. Through combining genomic and phenotypic data, we evaluate the hypothesis that the dual feeding regime (based on both scrub legumes and gramineous herbs) of the taxonomically controversial grasshopper Chorthippus saulcyi algoaldensis resulted from hybridization between the sister taxa C. binotatus (that exclusively feeds on scrub legumes) and C. saulcyi (that only feeds on gramineous herbs). Genetic clustering analyses and inferences from coalescent-based demographic simulations confirm that C. s. algoaldensis represents an independently evolving lineage and support the ancient hybrid origin of this taxon (about 1.4 Ma), which sheds light on its uncertain phylogenetic position and might explain its broader trophic niche. We propose a Pleistocene hybrid speciation model where range shifts resulting from climatic oscillations can promote the formation of hybrid swarms and facilitate their long-term persistence through geographic isolation from parental forms in topographically complex landscapes.
publishDate 2022
dc.date.none.fl_str_mv 2022
2023
2023
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/296136
url http://hdl.handle.net/10261/296136
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
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#PLACEHOLDER_PARENT_METADATA_VALUE#
info:eu-repo/grantAgreement/MICINN//CGL2011-25053
info:eu-repo/grantAgreement/MINECO//CGL2014-54671-P
info:eu-repo/grantAgreement/MINECO//CGL2016-80742-R
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CGL2017-83433-P
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2021-123298NB-I00
https://doi.org/10.1111/evo.14508
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv John Wiley & Sons
publisher.none.fl_str_mv John Wiley & Sons
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
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