Novel chemistry of invasive plants: exotic species have more unique metabolomic profiles than native congeners

Ecology and Evolution

Mirka Macel¹  Ric C. H. de Vos²  Jeroen J. Jansen¹  Wim H. van der Putten¹ 

[1] Department of Terrestrial Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Wageningen, The Netherlands;Plant Research International, Wageningen University and Research Centre (WUR), Wageningen, The Netherlands

关键词: Asteraceae;    herbivory;    LC‐MS;    Mamestra brassicae;    metabolomics;    novel weapons;    range expanding;    secondary metabolites;    Senecio;    Solidago;   

DOI  :  10.1002/ece3.1132

来源: Wiley

【 摘 要 】

Abstract

It is often assumed that exotic plants can become invasive when they possess novel secondary chemistry compared with native plants in the introduced range. Using untargeted metabolomic fingerprinting, we compared a broad range of metabolites of six successful exotic plant species and their native congeners of the family Asteraceae. Our results showed that plant chemistry is highly species-specific and diverse among both exotic and native species. Nonetheless, the exotic species had on average a higher total number of metabolites and more species-unique metabolites compared with their native congeners. Herbivory led to an overall increase in metabolites in all plant species. Generalist herbivore performance was lower on most of the exotic species compared with the native species. We conclude that high chemical diversity and large phytochemical uniqueness of the exotic species could be indicative of biological invasion potential.

【 授权许可】

CC BY   
© 2014 The Authors. Ecology and Evolution published by John Wiley & Sons Ltd.

Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.