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Front Plant Sci


Title:Slug Feeding Triggers Dynamic Metabolomic and Transcriptomic Responses Leading to Induced Resistance in Solanum dulcamara
Author(s):Calf OW; Lortzing T; Weinhold A; Poeschl Y; Peters JL; Huber H; Steppuhn A; van Dam NM;
Address:"Department of Molecular Interaction Ecology, Institute for Water and Wetland Research, Radboud University, Nijmegen, Netherlands. Department of Molecular Ecology, Institute of Biology, Free University of Berlin, Berlin, Germany. Department of Molecular Botany, Institute of Biology, University of Hohenheim, Stuttgart, Germany. German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Leipzig, Germany. Institute of Biodiversity, Friedrich-Schiller University of Jena, Jena, Germany. Institute of Computer Science, Martin Luther University of Halle-Wittenberg, Halle (Saale), Germany. Department of Plant Systems Physiology, Institute for Water and Wetland Research, Radboud University, Nijmegen, Netherlands. Department of Experimental Plant Ecology, Institute for Water and Wetland Research, Radboud University, Nijmegen, Netherlands"
Journal Title:Front Plant Sci
Year:2020
Volume:20200618
Issue:
Page Number:803 -
DOI: 10.3389/fpls.2020.00803
ISSN/ISBN:1664-462X (Print) 1664-462X (Electronic) 1664-462X (Linking)
Abstract:"Induced plant responses to insect herbivores are well studied, but we know very little about responses to gastropod feeding. We aim to identify the temporal dynamics of signaling- and defense-related plant responses after slug feeding in relation to induced resistance. We exposed Solanum dulcamara plants to feeding by the gray field slug (GFS; Deroceras reticulatum) for different periods and tested disks of local and systemic leaves in preference assays. Induced responses were analyzed using metabolomics and transcriptomics. GFS feeding induced local and systemic responses. Slug feeding for 72 h more strongly affected the plant metabolome than 24 h feeding. It increased the levels of a glycoalkaloid (solasonine), phenolamides, anthocyanins, and trypsin protease inhibitors as well as polyphenol oxidase activity. Phytohormone and transcriptome analyses revealed that jasmonic acid, abscisic acid and salicylic acid signaling were activated. GFS feeding upregulated more genes than that it downregulated. The response directly after feeding was more than five times higher than after an additional 24 h without feeding. Our research showed that GFS, like most chewing insects, triggers anti-herbivore defenses by activating defense signaling pathways, resulting in increased resistance to further slug feeding. Slug herbivory may therefore impact other herbivores in the community"
Keywords:LC-qToF-MS defense signaling eco-metabolomics microarray plant-herbivore interaction secondary metabolites;
Notes:"PubMed-not-MEDLINECalf, Onno W Lortzing, Tobias Weinhold, Alexander Poeschl, Yvonne Peters, Janny L Huber, Heidrun Steppuhn, Anke van Dam, Nicole M eng Switzerland 2020/07/07 Front Plant Sci. 2020 Jun 18; 11:803. doi: 10.3389/fpls.2020.00803. eCollection 2020"

 
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