Xoaquín Moreira, Luis Abdala-Roberts, Jonay Cubas, Beatriz Lago-Núñez, Nereida M. Rancel-Rodríguez, Cristina González-Montelongo, Gaétan Glauser, Matthieu Bueche, Emmanuel Defossez, Juli Caujapé-Castells, Víctor Bello-Rodríguez, Juan José García-Alvarado, Ángel B. Fernández-López, Pablo Vargas, Sergio Rasmann
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In this context, islands provide a valuable opportunity to explore the drivers of phytochemical diversity and its adaptive significance, owing to their unique physical features and markedly different biotic and abiotic pressures compared to the mainland.</p>\n </section>\n \n <section>\n \n <h3> Location</h3>\n \n <p>Macaronesian region.</p>\n </section>\n \n <section>\n \n <h3> Time Period</h3>\n \n <p>Contemporary.</p>\n </section>\n \n <section>\n \n <h3> Major Taxa Studied</h3>\n \n <p>Vascular plants.</p>\n </section>\n \n <section>\n \n <h3> Methods</h3>\n \n <p>We investigated macroevolutionary patterns in the diversity of plant specialised chemistry by conducting metabolomic analyses of leaf samples from 54 species on the Canary Islands. Our goal was to determine whether the mean crown node age, which relates to a species' island residence time, influences phytochemical diversity. To gain mechanistic insight into selective abiotic pressures, we also examined whether temperature and precipitation, associated with species' climatic niches, affected phytochemical diversity.</p>\n </section>\n \n <section>\n \n <h3> Results</h3>\n \n <p>Crown age did not correlate with overall phytochemical diversity but did influence the production of specific metabolite groups, with some types of compounds showing a positive correlation and others a negative correlation with crown age. Temperature and precipitation played significant roles in shaping phytochemical diversity, with temperature having a negative influence and precipitation exerting a positive effect. Both climatic factors also affected the levels of specific compound groups, driving either an increase or decrease depending on the metabolite type.</p>\n </section>\n \n <section>\n \n <h3> Main Conclusions</h3>\n \n <p>Our findings reveal novel linkages between phytochemical diversity, climate and species residence time on islands, suggesting evolutionary processes that lead to divergent patterns of plant phytochemical complexity. Exploring these evolutionary mechanisms and the extent to which these patterns represent adaptive responses (e.g., to climate) can ccontribute to advancing our understanding of phytochemical variation.</p>\n </section>\n </div>","PeriodicalId":176,"journal":{"name":"Global Ecology and Biogeography","volume":"34 7","pages":""},"PeriodicalIF":6.3000,"publicationDate":"2025-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/geb.70089","citationCount":"0","resultStr":"{\"title\":\"Macroevolutionary Patterns of Phytochemical Diversity in a Macaronesian Archipelago\",\"authors\":\"Xoaquín Moreira, Luis Abdala-Roberts, Jonay Cubas, Beatriz Lago-Núñez, Nereida M. Rancel-Rodríguez, Cristina González-Montelongo, Gaétan Glauser, Matthieu Bueche, Emmanuel Defossez, Juli Caujapé-Castells, Víctor Bello-Rodríguez, Juan José García-Alvarado, Ángel B. Fernández-López, Pablo Vargas, Sergio Rasmann\",\"doi\":\"10.1111/geb.70089\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div>\\n \\n \\n <section>\\n \\n <h3> Aim</h3>\\n \\n <p>Plant specialised metabolites are highly diverse and serve various functions, yet the different forms of phytochemical complexity and their drivers are often not fully understood. In this context, islands provide a valuable opportunity to explore the drivers of phytochemical diversity and its adaptive significance, owing to their unique physical features and markedly different biotic and abiotic pressures compared to the mainland.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Location</h3>\\n \\n <p>Macaronesian region.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Time Period</h3>\\n \\n <p>Contemporary.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Major Taxa Studied</h3>\\n \\n <p>Vascular plants.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Methods</h3>\\n \\n <p>We investigated macroevolutionary patterns in the diversity of plant specialised chemistry by conducting metabolomic analyses of leaf samples from 54 species on the Canary Islands. Our goal was to determine whether the mean crown node age, which relates to a species' island residence time, influences phytochemical diversity. To gain mechanistic insight into selective abiotic pressures, we also examined whether temperature and precipitation, associated with species' climatic niches, affected phytochemical diversity.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Results</h3>\\n \\n <p>Crown age did not correlate with overall phytochemical diversity but did influence the production of specific metabolite groups, with some types of compounds showing a positive correlation and others a negative correlation with crown age. Temperature and precipitation played significant roles in shaping phytochemical diversity, with temperature having a negative influence and precipitation exerting a positive effect. Both climatic factors also affected the levels of specific compound groups, driving either an increase or decrease depending on the metabolite type.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Main Conclusions</h3>\\n \\n <p>Our findings reveal novel linkages between phytochemical diversity, climate and species residence time on islands, suggesting evolutionary processes that lead to divergent patterns of plant phytochemical complexity. Exploring these evolutionary mechanisms and the extent to which these patterns represent adaptive responses (e.g., to climate) can ccontribute to advancing our understanding of phytochemical variation.</p>\\n </section>\\n </div>\",\"PeriodicalId\":176,\"journal\":{\"name\":\"Global Ecology and Biogeography\",\"volume\":\"34 7\",\"pages\":\"\"},\"PeriodicalIF\":6.3000,\"publicationDate\":\"2025-07-14\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://onlinelibrary.wiley.com/doi/epdf/10.1111/geb.70089\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Global Ecology and Biogeography\",\"FirstCategoryId\":\"93\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1111/geb.70089\",\"RegionNum\":1,\"RegionCategory\":\"环境科学与生态学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"ECOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Global Ecology and Biogeography","FirstCategoryId":"93","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1111/geb.70089","RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ECOLOGY","Score":null,"Total":0}
Macroevolutionary Patterns of Phytochemical Diversity in a Macaronesian Archipelago
Aim
Plant specialised metabolites are highly diverse and serve various functions, yet the different forms of phytochemical complexity and their drivers are often not fully understood. In this context, islands provide a valuable opportunity to explore the drivers of phytochemical diversity and its adaptive significance, owing to their unique physical features and markedly different biotic and abiotic pressures compared to the mainland.
Location
Macaronesian region.
Time Period
Contemporary.
Major Taxa Studied
Vascular plants.
Methods
We investigated macroevolutionary patterns in the diversity of plant specialised chemistry by conducting metabolomic analyses of leaf samples from 54 species on the Canary Islands. Our goal was to determine whether the mean crown node age, which relates to a species' island residence time, influences phytochemical diversity. To gain mechanistic insight into selective abiotic pressures, we also examined whether temperature and precipitation, associated with species' climatic niches, affected phytochemical diversity.
Results
Crown age did not correlate with overall phytochemical diversity but did influence the production of specific metabolite groups, with some types of compounds showing a positive correlation and others a negative correlation with crown age. Temperature and precipitation played significant roles in shaping phytochemical diversity, with temperature having a negative influence and precipitation exerting a positive effect. Both climatic factors also affected the levels of specific compound groups, driving either an increase or decrease depending on the metabolite type.
Main Conclusions
Our findings reveal novel linkages between phytochemical diversity, climate and species residence time on islands, suggesting evolutionary processes that lead to divergent patterns of plant phytochemical complexity. Exploring these evolutionary mechanisms and the extent to which these patterns represent adaptive responses (e.g., to climate) can ccontribute to advancing our understanding of phytochemical variation.
期刊介绍：
Global Ecology and Biogeography (GEB) welcomes papers that investigate broad-scale (in space, time and/or taxonomy), general patterns in the organization of ecological systems and assemblages, and the processes that underlie them. In particular, GEB welcomes studies that use macroecological methods, comparative analyses, meta-analyses, reviews, spatial analyses and modelling to arrive at general, conceptual conclusions. Studies in GEB need not be global in spatial extent, but the conclusions and implications of the study must be relevant to ecologists and biogeographers globally, rather than being limited to local areas, or specific taxa. Similarly, GEB is not limited to spatial studies; we are equally interested in the general patterns of nature through time, among taxa (e.g., body sizes, dispersal abilities), through the course of evolution, etc. Further, GEB welcomes papers that investigate general impacts of human activities on ecological systems in accordance with the above criteria.
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