ArticleJournal of experimental botany2023
Laminarin-triggered defence responses are geographically dependent in natural populations of Solanum chilense.
Article in Journal of experimental botany, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 18 citations in OpenAlex.
- Molecular Basis and Mechanistic Insights intoPlants (Basel, Switzerland) · 2026Review
- Development of an Ultrahigh-Performance Liquid Chromatography-Triple Quadrupole Mass Spectrometry Method for Multiclass Phytohormone Quantification Via Multifunctional Chemical Derivatization.Journal of agricultural and food chemistry · 2026Article
- Induction of collective behavior by β-1,3-glucans in microalgae.Science advances · 2026Article
- Tomato and its relatives are breaking the genomics barriers.Journal of experimental botany · 2025Review
- Co-option of transcription factors drives evolution of quantitative disease resistance against a necrotrophic pathogen.The Plant cell · 2025Article
- Patterns of presence-absence variation of NLRs across populations of Solanum chilense are clade-dependent and mainly shaped by past demographic history.The New phytologist · 2025Article
- Cross-family transfer of the Arabidopsis cell-surface immune receptor LORE to tomato confers sensing of 3-hydroxylated fatty acids and enhanced disease resistance.Molecular plant pathology · 2024Article
- Network analyses predict major regulators of resistance to early blight disease complex in tomato.BMC plant biology · 2024Article
- Natural variation in the pattern-triggered immunity response in plants: Investigations, implications and applications.Molecular plant pathology · 2024Review
- High-Resolution Disease Phenotyping Reveals Distinct Resistance Mechanisms of Tomato Crop Wild Relatives againstPlant phenomics (Washington, D.C.) · 2024Article
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Authors and funding
10 authors at 3 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
Natural plant populations are polymorphic and show intraspecific variation in resistance properties against pathogens. The activation of the underlying defence responses can depend on variation in perception of pathogen-associated molecular patterns or elicitors. To dissect such variation, we evaluated the responses induced by laminarin (a glucan, representing an elicitor from oomycetes) in the wild tomato species Solanum chilense and correlated this to observed infection frequencies of Phytophthora infestans. We measured reactive oxygen species burst and levels of diverse phytohormones upon elicitation in 83 plants originating from nine populations. We found high diversity in basal and elicitor-induced levels of each component. Further we generated linear models to explain the observed infection frequency of P. infestans. The effect of individual components differed dependent on the geographical origin of the plants. We found that the resistance in the southern coastal region, but not in the other regions, was directly correlated to ethylene responses and confirmed this positive correlation using ethylene inhibition assays. Our findings reveal high diversity in the strength of defence responses within a species and the involvement of different components with a quantitatively different contribution of individual components to resistance in geographically separated populations of a wild plant species.
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