Quantitative genetic analysis of floral traits shows current limits but potential evolution in the wild

The vast variation in floral traits across angiosperms is often interpreted as the result of adaptation to pollinators. However, studies in wild populations often find no evidence of pollinator-mediated selection on flowers. Evolutionary theory predicts this could be the outcome of periods of stasis...

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Autores: Castellanos, María Clara, Montero-Pau, Javier, Ziarsolo, Peio, Blanca, Jose Miguel, Cañizares, Joaquin
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2023
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/339847
Acceso en línea:http://hdl.handle.net/10261/339847
Access Level:acceso abierto
Palabra clave:Evolvability
Floral evolution
Heritability
Keelflower
Quantitative genetics in the wild
Ulex parviflorus
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spelling Quantitative genetic analysis of floral traits shows current limits but potential evolution in the wildCastellanos, María ClaraMontero-Pau, JavierZiarsolo, PeioBlanca, Jose MiguelCañizares, JoaquinEvolvabilityFloral evolutionHeritabilityKeelflowerQuantitative genetics in the wildUlex parviflorusThe vast variation in floral traits across angiosperms is often interpreted as the result of adaptation to pollinators. However, studies in wild populations often find no evidence of pollinator-mediated selection on flowers. Evolutionary theory predicts this could be the outcome of periods of stasis under stable conditions, followed by shorter periods of pollinator change that provide selection for innovative phenotypes. We asked if periods of stasis are caused by stabilizing selection, absence of other forms of selection or by low trait ability to respond even if selection is present. We studied a plant predominantly pollinated by one bee species across its range. We measured heritability and evolvability of traits, using genome-wide relatedness in a large wild population, and combined this with estimates of selection on the same individuals. We found evidence for both stabilizing selection and low trait heritability as potential explanations for stasis in flowers. The area of the standard petal is under stabilizing selection, but the variability is not heritable. A separate trait, floral weight, presents high heritability, but is not currently under selection. We show how a simple pollination environment coincides with the absence of current prerequisites for adaptive evolutionary change, while heritable variation remains to respond to future selection pressures.This work was supported by projects TREVOL and FILAS (CGL2012-39938, CGL2015-64086) from the Spanish Government, FocScales (Prometeo/2021/040) from Generalitat Valenciana and European Union's Horizon 2020 programme under the Marie Sklodowska-Curie grant agreement no. 706365.Royal Society (Great Britain)Ministerio de Economía y Competitividad (España)Generalitat ValencianaEuropean CommissionConsejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]2023202320232023info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/339847reponame: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#info:eu-repo/grantAgreement/MINECO//CGL2012-39938-C02-02info:eu-repo/grantAgreement/MINECO//CGL2015-64086-Pinfo:eu-repo/grantAgreement/EC/H2020/706365http://dx.doi.org/10.1098/rspb.2023.0141Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3398472026-05-22T06:33:51Z
dc.title.none.fl_str_mv Quantitative genetic analysis of floral traits shows current limits but potential evolution in the wild
title Quantitative genetic analysis of floral traits shows current limits but potential evolution in the wild
spellingShingle Quantitative genetic analysis of floral traits shows current limits but potential evolution in the wild
Castellanos, María Clara
Evolvability
Floral evolution
Heritability
Keelflower
Quantitative genetics in the wild
Ulex parviflorus
title_short Quantitative genetic analysis of floral traits shows current limits but potential evolution in the wild
title_full Quantitative genetic analysis of floral traits shows current limits but potential evolution in the wild
title_fullStr Quantitative genetic analysis of floral traits shows current limits but potential evolution in the wild
title_full_unstemmed Quantitative genetic analysis of floral traits shows current limits but potential evolution in the wild
title_sort Quantitative genetic analysis of floral traits shows current limits but potential evolution in the wild
dc.creator.none.fl_str_mv Castellanos, María Clara
Montero-Pau, Javier
Ziarsolo, Peio
Blanca, Jose Miguel
Cañizares, Joaquin
author Castellanos, María Clara
author_facet Castellanos, María Clara
Montero-Pau, Javier
Ziarsolo, Peio
Blanca, Jose Miguel
Cañizares, Joaquin
author_role author
author2 Montero-Pau, Javier
Ziarsolo, Peio
Blanca, Jose Miguel
Cañizares, Joaquin
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Ministerio de Economía y Competitividad (España)
Generalitat Valenciana
European Commission
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Evolvability
Floral evolution
Heritability
Keelflower
Quantitative genetics in the wild
Ulex parviflorus
topic Evolvability
Floral evolution
Heritability
Keelflower
Quantitative genetics in the wild
Ulex parviflorus
description The vast variation in floral traits across angiosperms is often interpreted as the result of adaptation to pollinators. However, studies in wild populations often find no evidence of pollinator-mediated selection on flowers. Evolutionary theory predicts this could be the outcome of periods of stasis under stable conditions, followed by shorter periods of pollinator change that provide selection for innovative phenotypes. We asked if periods of stasis are caused by stabilizing selection, absence of other forms of selection or by low trait ability to respond even if selection is present. We studied a plant predominantly pollinated by one bee species across its range. We measured heritability and evolvability of traits, using genome-wide relatedness in a large wild population, and combined this with estimates of selection on the same individuals. We found evidence for both stabilizing selection and low trait heritability as potential explanations for stasis in flowers. The area of the standard petal is under stabilizing selection, but the variability is not heritable. A separate trait, floral weight, presents high heritability, but is not currently under selection. We show how a simple pollination environment coincides with the absence of current prerequisites for adaptive evolutionary change, while heritable variation remains to respond to future selection pressures.
publishDate 2023
dc.date.none.fl_str_mv 2023
2023
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/10261/339847
url http://hdl.handle.net/10261/339847
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv #PLACEHOLDER_PARENT_METADATA_VALUE#
#PLACEHOLDER_PARENT_METADATA_VALUE#
#PLACEHOLDER_PARENT_METADATA_VALUE#
info:eu-repo/grantAgreement/MINECO//CGL2012-39938-C02-02
info:eu-repo/grantAgreement/MINECO//CGL2015-64086-P
info:eu-repo/grantAgreement/EC/H2020/706365
http://dx.doi.org/10.1098/rspb.2023.0141
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Royal Society (Great Britain)
publisher.none.fl_str_mv Royal Society (Great Britain)
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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