Evolving the structure : climatic and developmental constraints on the evolution of plant architecture. A case study in Euphorbia

© 2021 The Authors. New Phytologist © 2021 New Phytologist Foundation.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 231(2021), 3 vom: 25. Aug., Seite 1278-1295
1. Verfasser: Anest, Artémis (VerfasserIn)
Weitere Verfasser: Charles-Dominique, Tristan, Maurin, Olivier, Millan, Mathieu, Edelin, Claude, Tomlinson, Kyle W
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Euphorbia desert ecology evolution phylogenetic tree plant architecture temperate tropical
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500 |a CommentIn: New Phytol. 2021 Aug;231(3):910-912. - PMID 34101184 
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520 |a © 2021 The Authors. New Phytologist © 2021 New Phytologist Foundation. 
520 |a Plant architecture strongly influences ecological performance, yet its role in plant evolution has not been explored in depth. By testing both phylogenetic and environmental signals, it is possible to separate architectural traits into four categories: development constraints (phylogenetic signal only); convergences (environmental dependency only); key confluences to the environmental driver (both); unknown (neither). We analysed the evolutionary history of the genus Euphorbia, a model clade with both high architectural diversity and a wide environmental range. We conducted comparative analyses of 193 Euphorbia species world-wide using 73 architectural traits, a dated phylogeny, and climate data. We identified 14 architectural types in Euphorbia based on trait combinations. We found 22 traits and three types representing convergences under climate groups, 21 traits and four types showing phylogenetic signal but no relation to climate, and 16 traits and five types with both climate and phylogenetic signals. Major drivers of architectural trait evolution likely include water stress in deserts (selected for succulence, continuous branching), frost disturbance in temperate systems (selected for simple, prostrate, short-lived shoots) and light competition (selected for arborescence). Simple architectures allowed resilience to disturbance, and frequent transitions into new forms. Complex architectures with functional specialisation developed under stable climates but have low evolvability 
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650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Euphorbia 
650 4 |a desert 
650 4 |a ecology 
650 4 |a evolution 
650 4 |a phylogenetic tree 
650 4 |a plant architecture 
650 4 |a temperate 
650 4 |a tropical 
700 1 |a Charles-Dominique, Tristan  |e verfasserin  |4 aut 
700 1 |a Maurin, Olivier  |e verfasserin  |4 aut 
700 1 |a Millan, Mathieu  |e verfasserin  |4 aut 
700 1 |a Edelin, Claude  |e verfasserin  |4 aut 
700 1 |a Tomlinson, Kyle W  |e verfasserin  |4 aut 
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