The interplay between climatic niche evolution, polyploidy and reproductive traits explains plant speciation in the Mediterranean Basin: a case study in Centaurium (Gentianaceae)
Speciation and diversification patterns in angiosperms are frequently shaped by niche evolution. Centaurium Hill is a Mediterranean genus with ca. 25 species, of which 60% are polyploids (tetra- and hexaploids), distributed mainly in the Mediterranean Basin and in areas with temperate and arid clima...
| Autores: | , , , , , , , , , |
|---|---|
| Tipo de recurso: | artículo |
| Fecha de publicación: | 2024 |
| País: | España |
| Institución: | Universidad Autónoma de Madrid |
| Repositorio: | Biblos-e Archivo. Repositorio Institucional de la UAM |
| Idioma: | inglés |
| OAI Identifier: | oai:repositorio.uam.es:10486/716580 |
| Acceso en línea: | http://hdl.handle.net/10486/716580 https://dx.doi.org/10.3389/fpls.2024.1439985 |
| Access Level: | acceso abierto |
| Palabra clave: | Mediterranean climate phylogeny polyploidy speciation centauries chromosome evolution climatic niche Biología y Biomedicina / Biología |
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The interplay between climatic niche evolution, polyploidy and reproductive traits explains plant speciation in the Mediterranean Basin: a case study in Centaurium (Gentianaceae)Valdés Florido, AnaValcárcel Núñez, VirginiaMaguilla, EnriqueDíaz Lifante, ZoilaAndrés Camacho, CristinaZeltner, LouisCoca-de-la-Iglesia, MarinaGarcía Medina, NagoreArroyo, JuanEscudero, MarcialMediterranean climatephylogenypolyploidyspeciationcentaurieschromosome evolutionclimatic nicheBiología y Biomedicina / BiologíaSpeciation and diversification patterns in angiosperms are frequently shaped by niche evolution. Centaurium Hill is a Mediterranean genus with ca. 25 species, of which 60% are polyploids (tetra- and hexaploids), distributed mainly in the Mediterranean Basin and in areas with temperate and arid climates of Asia, Europe, North-Central Africa and North America. The evolutionary history of this genus has been studied using morphological, biogeographical and molecular approaches, but its climatic niche characterization and its relation with genome evolution (chromosome number and ploidy level) has not been addressed yet. Thus, this study aims to identify the role of the evolution of climatic niche, ploidy level, life cycle and floral traits in the diversification of Centaurium. Climatic niche characterization involved estimating present climate preferences using quantitative data and reconstructing ancestral niches to evaluate climatic niche shifts. The evolution of climatic niche towards selective optima determined by ploidy level (three ploidy levels) and different binary traits (polyploidy, floral size, floral display, herkogamy and life cycle) was addressed under the Ornstein-Uhlenbeck model. Chromosome number evolution was inferred using the ChromoSSE model, testing if changes are clado- or anagenetic. Chromosome number evolution and its link with cladogenesis, life cycle and floral traits was modeled on the phylogeny. The reconstruction of the ancestral niches shows that Centaurium originated in a mild climate and diversified to both humid and cold as well as to dry and warmer climates. Niche conservatism was estimated in the climatic niche of the ancestors, while the climatic niche of the current taxa experienced transitions from their ancestors’ niche. Besides, the evolution of climatic niche towards multiple selective optima determined by the studied traits was supported, life cycle optima receiving the highest support. The reconstruction of chromosome number transitions shows that the rate of speciation process resulting from chromosomal changes (chromosomal cladogenesis) is similar to that of non-chromosomal cladogenesis. Additionally, dependent evolution of floral size, floral display and herkogamy with chromosome number variation was supported. In conclusion, polyploidization is a crucial process in the Mediterranean region that assisted speciation and diversification into new areas with different climates, entailing niche shifts and evolution of reproductive strategiesThe author(s) declare financial support was received for the research, authorship, and/or publication of this article. The present work was funded by the Spanish Government and FEDER funds (European Commission) through granted projects PID2021- 122715NB-I00 to ME, JA and AV-F, and PGC2018-099608-B-I00 to ME, JA, EM, AV-F, ZD-L and CA-C and through a FPI fellowship from MICINN to AV-F (PRE2019-087452)Frontiers Media SADepartamento de BiologíaFacultad de Ciencias20242024-08-09research articlehttp://purl.org/coar/resource_type/c_2df8fbb1VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10486/716580https://dx.doi.org/10.3389/fpls.2024.1439985reponame:Biblos-e Archivo. Repositorio Institucional de la UAMinstname:Universidad Autónoma de MadridInglésengopen accesshttp://purl.org/coar/access_right/c_abf2Attribution 4.0 Internationalhttp://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessoai:repositorio.uam.es:10486/7165802026-06-23T12:46:27Z |
| dc.title.none.fl_str_mv |
The interplay between climatic niche evolution, polyploidy and reproductive traits explains plant speciation in the Mediterranean Basin: a case study in Centaurium (Gentianaceae) |
| title |
The interplay between climatic niche evolution, polyploidy and reproductive traits explains plant speciation in the Mediterranean Basin: a case study in Centaurium (Gentianaceae) |
| spellingShingle |
The interplay between climatic niche evolution, polyploidy and reproductive traits explains plant speciation in the Mediterranean Basin: a case study in Centaurium (Gentianaceae) Valdés Florido, Ana Mediterranean climate phylogeny polyploidy speciation centauries chromosome evolution climatic niche Biología y Biomedicina / Biología |
| title_short |
The interplay between climatic niche evolution, polyploidy and reproductive traits explains plant speciation in the Mediterranean Basin: a case study in Centaurium (Gentianaceae) |
| title_full |
The interplay between climatic niche evolution, polyploidy and reproductive traits explains plant speciation in the Mediterranean Basin: a case study in Centaurium (Gentianaceae) |
| title_fullStr |
The interplay between climatic niche evolution, polyploidy and reproductive traits explains plant speciation in the Mediterranean Basin: a case study in Centaurium (Gentianaceae) |
| title_full_unstemmed |
The interplay between climatic niche evolution, polyploidy and reproductive traits explains plant speciation in the Mediterranean Basin: a case study in Centaurium (Gentianaceae) |
| title_sort |
The interplay between climatic niche evolution, polyploidy and reproductive traits explains plant speciation in the Mediterranean Basin: a case study in Centaurium (Gentianaceae) |
| dc.creator.none.fl_str_mv |
Valdés Florido, Ana Valcárcel Núñez, Virginia Maguilla, Enrique Díaz Lifante, Zoila Andrés Camacho, Cristina Zeltner, Louis Coca-de-la-Iglesia, Marina García Medina, Nagore Arroyo, Juan Escudero, Marcial |
| author |
Valdés Florido, Ana |
| author_facet |
Valdés Florido, Ana Valcárcel Núñez, Virginia Maguilla, Enrique Díaz Lifante, Zoila Andrés Camacho, Cristina Zeltner, Louis Coca-de-la-Iglesia, Marina García Medina, Nagore Arroyo, Juan Escudero, Marcial |
| author_role |
author |
| author2 |
Valcárcel Núñez, Virginia Maguilla, Enrique Díaz Lifante, Zoila Andrés Camacho, Cristina Zeltner, Louis Coca-de-la-Iglesia, Marina García Medina, Nagore Arroyo, Juan Escudero, Marcial |
| author2_role |
author author author author author author author author author |
| dc.contributor.none.fl_str_mv |
Departamento de Biología Facultad de Ciencias |
| dc.subject.none.fl_str_mv |
Mediterranean climate phylogeny polyploidy speciation centauries chromosome evolution climatic niche Biología y Biomedicina / Biología |
| topic |
Mediterranean climate phylogeny polyploidy speciation centauries chromosome evolution climatic niche Biología y Biomedicina / Biología |
| description |
Speciation and diversification patterns in angiosperms are frequently shaped by niche evolution. Centaurium Hill is a Mediterranean genus with ca. 25 species, of which 60% are polyploids (tetra- and hexaploids), distributed mainly in the Mediterranean Basin and in areas with temperate and arid climates of Asia, Europe, North-Central Africa and North America. The evolutionary history of this genus has been studied using morphological, biogeographical and molecular approaches, but its climatic niche characterization and its relation with genome evolution (chromosome number and ploidy level) has not been addressed yet. Thus, this study aims to identify the role of the evolution of climatic niche, ploidy level, life cycle and floral traits in the diversification of Centaurium. Climatic niche characterization involved estimating present climate preferences using quantitative data and reconstructing ancestral niches to evaluate climatic niche shifts. The evolution of climatic niche towards selective optima determined by ploidy level (three ploidy levels) and different binary traits (polyploidy, floral size, floral display, herkogamy and life cycle) was addressed under the Ornstein-Uhlenbeck model. Chromosome number evolution was inferred using the ChromoSSE model, testing if changes are clado- or anagenetic. Chromosome number evolution and its link with cladogenesis, life cycle and floral traits was modeled on the phylogeny. The reconstruction of the ancestral niches shows that Centaurium originated in a mild climate and diversified to both humid and cold as well as to dry and warmer climates. Niche conservatism was estimated in the climatic niche of the ancestors, while the climatic niche of the current taxa experienced transitions from their ancestors’ niche. Besides, the evolution of climatic niche towards multiple selective optima determined by the studied traits was supported, life cycle optima receiving the highest support. The reconstruction of chromosome number transitions shows that the rate of speciation process resulting from chromosomal changes (chromosomal cladogenesis) is similar to that of non-chromosomal cladogenesis. Additionally, dependent evolution of floral size, floral display and herkogamy with chromosome number variation was supported. In conclusion, polyploidization is a crucial process in the Mediterranean region that assisted speciation and diversification into new areas with different climates, entailing niche shifts and evolution of reproductive strategies |
| publishDate |
2024 |
| dc.date.none.fl_str_mv |
2024 2024-08-09 |
| dc.type.none.fl_str_mv |
research article http://purl.org/coar/resource_type/c_2df8fbb1 VoR http://purl.org/coar/version/c_970fb48d4fbd8a85 |
| dc.type.openaire.fl_str_mv |
info:eu-repo/semantics/article |
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article |
| dc.identifier.none.fl_str_mv |
http://hdl.handle.net/10486/716580 https://dx.doi.org/10.3389/fpls.2024.1439985 |
| url |
http://hdl.handle.net/10486/716580 https://dx.doi.org/10.3389/fpls.2024.1439985 |
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Inglés eng |
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Inglés |
| language |
eng |
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open access http://purl.org/coar/access_right/c_abf2 Attribution 4.0 International http://creativecommons.org/licenses/by/4.0/ |
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info:eu-repo/semantics/openAccess |
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open access http://purl.org/coar/access_right/c_abf2 Attribution 4.0 International http://creativecommons.org/licenses/by/4.0/ |
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openAccess |
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Frontiers Media SA |
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Frontiers Media SA |
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