Comparative Metabolomics of Fruits and Leaves in a Hyperdiverse Lineage Suggests Fruits Are a Key Incubator of Phytochemical Diversification

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dc.contributor.authorSchneider, Gerald F.en
dc.contributor.authorSalazar, Diegoen
dc.contributor.authorHildreth, Sherry B.en
dc.contributor.authorHelm, Richard F.en
dc.contributor.authorWhitehead, Susan R.en
dc.contributor.departmentBiological Sciencesen
dc.contributor.departmentBiochemistryen
dc.contributor.departmentFralin Life Sciences Instituteen
dc.date.accessioned2021-08-31T17:22:58Zen
dc.date.available2021-08-31T17:22:58Zen
dc.date.issued2021-08-30en
dc.description.abstractInteractions between plants and leaf herbivores have long been implicated as the major driver of plant secondary metabolite diversity. However, other plant-animal interactions, such as those between fruits and frugivores, may also be involved in phytochemical diversification. Using 12 species of Piper, we conducted untargeted metabolomics and molecular networking with extracts of fruits and leaves. We evaluated organ-specific secondary metabolite composition and compared multiple dimensions of phytochemical diversity across organs, including richness, structural complexity, and variability across samples at multiple scales within and across species. Plant organ identity, species identity, and the interaction between the two all significantly influenced secondary metabolite composition. Leaves and fruit shared a majority of compounds, but fruits contained more unique compounds and had higher total estimated chemical richness. While the relative levels of chemical richness and structural complexity across organs varied substantially across species, fruit diversity exceeded leaf diversity in more species than the reverse. Furthermore, the variance in chemical composition across samples was higher for fruits than leaves. By documenting a broad pattern of high phytochemical diversity in fruits relative to leaves, this study lays groundwork for incorporating fruit into a comprehensive and integrative understanding of the ecological and evolutionary factors shaping secondary metabolite composition at the whole-plant level.en
dc.format.mimetypeapplication/pdfen
dc.identifier.citationSchneider GF, Salazar D, Hildreth SB, Helm RF and Whitehead SR (2021) Comparative Metabolomics of Fruits and Leaves in a Hyperdiverse Lineage Suggests Fruits Are a Key Incubator of Phytochemical Diversification. Front. Plant Sci. 12:693739. doi: 10.3389/fpls.2021.693739en
dc.identifier.doihttps://doi.org/10.3389/fpls.2021.693739en
dc.identifier.urihttp://hdl.handle.net/10919/104883en
dc.identifier.volume12en
dc.language.isoenen
dc.publisherFrontiersen
dc.rightsAttribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectchemical diversityen
dc.subjectmolecular networkingen
dc.subjectmetabolomicsen
dc.subjectfruiten
dc.subjectseeden
dc.subjectleafen
dc.subjectPiperen
dc.titleComparative Metabolomics of Fruits and Leaves in a Hyperdiverse Lineage Suggests Fruits Are a Key Incubator of Phytochemical Diversificationen
dc.title.serialFrontiers in Plant Scienceen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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