Scalariform-to-simple transition in vessel perforation plates triggered by differences in climate during the evolution of Adoxaceae
Angiosperms with simple vessel perforations have evolved many times independently of species having scalariform perforations, but detailed studies to understand why these transitions in wood evolution have happened are lacking. We focus on the striking difference in wood anatomy between two closely...
| Main Authors: | , , , , , , , , , , , |
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| Format: | Journal article |
| Language: | English |
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Oxford University Press
2016
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| _version_ | 1826279317621964800 |
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| author | Lens, F Vos, R Charrier, G Van Der Niet, T Merckx, V Baas, P Aguirre Gutierrez, J Jacobs, B Chacon Dória, L Smets, E Delzon, S Janssens, S |
| author_facet | Lens, F Vos, R Charrier, G Van Der Niet, T Merckx, V Baas, P Aguirre Gutierrez, J Jacobs, B Chacon Dória, L Smets, E Delzon, S Janssens, S |
| author_sort | Lens, F |
| collection | OXFORD |
| description | Angiosperms with simple vessel perforations have evolved many times independently of species having scalariform perforations, but detailed studies to understand why these transitions in wood evolution have happened are lacking. We focus on the striking difference in wood anatomy between two closely related genera of Adoxaceae, Viburnum and Sambucus, and link the anatomical divergence with climatic and physiological insights.After performing wood anatomical observations, we used a molecular phylogenetic framework to estimate divergence times for 127 Adoxaceae species. The conditions under which the genera diversified were estimated using ancestral area reconstruction and optimization of ancestral climates, and xylem-specific conductivity measurements were performed.Viburnum, characterized by scalariform vessel perforations (ancestral), diversified earlier than Sambucus, having simple perforations (derived). Ancestral climate reconstruction analyses point to cold temperate preference for Viburnum and warm temperate for Sambucus This is reflected in the xylem-specific conductivity rates of the co-occurring species investigated, showing that Viburnum lantana has rates much lower than Sambucus nigra CONCLUSIONS: The lack of selective pressure for high conductive efficiency during early diversification of Viburnum and the potentially adaptive value of scalariform perforations in frost-prone cold temperate climates have led to retention of the ancestral vessel perforation type, while higher temperatures during early diversification of Sambucus have triggered the evolution of simple vessel perforations, allowing more efficient long-distance water transport. |
| first_indexed | 2024-03-06T23:56:54Z |
| format | Journal article |
| id | oxford-uuid:7488230b-db36-4adc-b7ce-5bdffd6cce2e |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-06T23:56:54Z |
| publishDate | 2016 |
| publisher | Oxford University Press |
| record_format | dspace |
| spelling | oxford-uuid:7488230b-db36-4adc-b7ce-5bdffd6cce2e2022-03-26T20:03:34ZScalariform-to-simple transition in vessel perforation plates triggered by differences in climate during the evolution of AdoxaceaeJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:7488230b-db36-4adc-b7ce-5bdffd6cce2eEnglishSymplectic Elements at OxfordOxford University Press2016Lens, FVos, RCharrier, GVan Der Niet, TMerckx, VBaas, PAguirre Gutierrez, JJacobs, BChacon Dória, LSmets, EDelzon, SJanssens, SAngiosperms with simple vessel perforations have evolved many times independently of species having scalariform perforations, but detailed studies to understand why these transitions in wood evolution have happened are lacking. We focus on the striking difference in wood anatomy between two closely related genera of Adoxaceae, Viburnum and Sambucus, and link the anatomical divergence with climatic and physiological insights.After performing wood anatomical observations, we used a molecular phylogenetic framework to estimate divergence times for 127 Adoxaceae species. The conditions under which the genera diversified were estimated using ancestral area reconstruction and optimization of ancestral climates, and xylem-specific conductivity measurements were performed.Viburnum, characterized by scalariform vessel perforations (ancestral), diversified earlier than Sambucus, having simple perforations (derived). Ancestral climate reconstruction analyses point to cold temperate preference for Viburnum and warm temperate for Sambucus This is reflected in the xylem-specific conductivity rates of the co-occurring species investigated, showing that Viburnum lantana has rates much lower than Sambucus nigra CONCLUSIONS: The lack of selective pressure for high conductive efficiency during early diversification of Viburnum and the potentially adaptive value of scalariform perforations in frost-prone cold temperate climates have led to retention of the ancestral vessel perforation type, while higher temperatures during early diversification of Sambucus have triggered the evolution of simple vessel perforations, allowing more efficient long-distance water transport. |
| spellingShingle | Lens, F Vos, R Charrier, G Van Der Niet, T Merckx, V Baas, P Aguirre Gutierrez, J Jacobs, B Chacon Dória, L Smets, E Delzon, S Janssens, S Scalariform-to-simple transition in vessel perforation plates triggered by differences in climate during the evolution of Adoxaceae |
| title | Scalariform-to-simple transition in vessel perforation plates triggered by differences in climate during the evolution of Adoxaceae |
| title_full | Scalariform-to-simple transition in vessel perforation plates triggered by differences in climate during the evolution of Adoxaceae |
| title_fullStr | Scalariform-to-simple transition in vessel perforation plates triggered by differences in climate during the evolution of Adoxaceae |
| title_full_unstemmed | Scalariform-to-simple transition in vessel perforation plates triggered by differences in climate during the evolution of Adoxaceae |
| title_short | Scalariform-to-simple transition in vessel perforation plates triggered by differences in climate during the evolution of Adoxaceae |
| title_sort | scalariform to simple transition in vessel perforation plates triggered by differences in climate during the evolution of adoxaceae |
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