Leaf metabolic traits reveal hidden dimensions of plant form and function

Tom W.N. Walker, Franziska Schrodt, Pierre Marie Allard, Emmanuel Defossez, Vincent E.J. Jassey, Meredith C. Schuman, Jake M. Alexander, Oliver Baines, Virginie Baldy, Richard D. Bardgett, Pol Capdevila, Phyllis D. Coley, Nicole M. van Dam, Bruno David, Patrice Descombes, María José Endara, Catherine Fernandez, Dale Forrister, Albert Gargallo-Garriga, Gaëtan GlauserSue Marr, Steffen Neumann, Loïc Pellissier, Kristian Peters, Sergio Rasmann, Ute Roessner, Roberto Salguero-Gómez, Jordi Sardans, Wolfram Weckwerth, Jean Luc Wolfender, Josep Peñuelas

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Abstract

The metabolome is the biochemical basis of plant form and function, but we know little about its macroecological variation across the plant kingdom. Here, we used the plant functional trait concept to interpret leaf metabolome variation among 457 tropical and 339 temperate plant species. Distilling metabolite chemistry into five metabolic functional traits reveals that plants vary on two major axes of leaf metabolic specialization-a leaf chemical defense spectrum and an expression of leaf longevity. Axes are similar for tropical and temperate species, with many trait combinations being viable. However, metabolic traits vary orthogonally to life-history strategies described by widely used functional traits. The metabolome thus expands the functional trait concept by providing additional axes of metabolic specialization for examining plant form and function.

OriginalsprogEngelsk
Artikelnummereadi4029
TidsskriftScience Advances
Vol/bind9
Nummer35
Antal sider13
ISSN2375-2548
DOI
StatusUdgivet - aug. 2023

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