ArticlePlant physiology2022
On the initiation of jasmonate biosynthesis in wounded leaves.
Article in Plant physiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed, 32 citations in OpenAlex.
- Identifying anthracnose resistance genes involving in ROS and JA accumulation.Plant signaling & behavior · 2026Article
- Jasmonate Biosynthesis Across Bryophyte Lineages: Lessons fromPlants (Basel, Switzerland) · 2026Review
- Jasmonoyl-L-Isoleucine Induces Systemic Photosynthetic Responses to Local Heat Stress by Contributing to Abscisic Acid Accumulation.Plants (Basel, Switzerland) · 2026Article
- Mutation of BrDAD1 affects flower opening and anther dehiscence by regulating jasmonate-mediated BrMYB108-BrSWEET15 module.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- The chitin receptor-interacting protein LIK1 regulates extracellular ATP signaling via interaction with P2K1 inbioRxiv : the preprint server for biology · 2026Article
- The effects of grafting on the stems ofFrontiers in plant science · 2026Article
- Chemically Induced Resistance to Pathogen Infection in Arabidopsis by Cytokinin (Trans-Zeatin) and an Aromatic Cytokinin Arabinoside.Molecular plant pathology · 2026Article
- Jasmonic acid and salicylic acid interact to determine spatial regulation of gene expression responses in potato leaf to herbivory by Colorado potato beetle and mechanical wounding.Plant & cell physiology · 2025Article
- Transcription, Alternative Splicing, and Post-Translational Regulation of CaLOXs in the Dynamic Regulation of Jasmonate Levels in Wounded Pepper Leaves.Plants (Basel, Switzerland) · 2025Article
- Jasmonate primes plant responses to extracellular ATP.The Plant journal : for cell and molecular biology · 2025Article
- How the diversity in digestion in carnivorous plants may have evolved.The New phytologist · 2025Review
- Rice JASMONIC ACID OXIDASES control resting jasmonate metabolism to promote growth and repress basal immune responses.Plant physiology · 2025Article
- Inducible expression of DEFECTIVE IN ANTHER DEHISCENCE 1 enhances triacylglycerol accumulation and lipid droplet formation in vegetative tissues.The Plant journal : for cell and molecular biology · 2025Article
- Touch, light, wounding: how anaesthetics affect plant sensing abilities.Plant cell reports · 2024Review
- VvWRKY5 positively regulates wounding-induced anthocyanin accumulation in grape by interplaying with VvMYBA1 and promoting jasmonic acid biosynthesis.Horticulture research · 2024Article
- Decoding early stress signaling waves in living plants using nanosensor multiplexing.Nature communications · 2024Article
- Exposure to Light of the Abaxial versus Adaxial Side of DetachedInternational journal of molecular sciences · 2024Article
- Identification and characterization of GLYCEROLIPASE A1 for wound-triggered JA biosynthesis in Nicotiana benthamiana leaves.Plant molecular biology · 2024Article
- Organelles and phytohormones: a network of interactions in plant stress responses.Journal of experimental botany · 2022Review
- Ready to start? Insights on the initiation of the jasmonic acid burst.Plant physiology · 2022Article
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The basal level of the plant defense hormone jasmonate (JA) in unstressed leaves is low, but wounding causes its near instantaneous increase. How JA biosynthesis is initiated is uncertain, but the lipolysis step that generates fatty acid precursors is generally considered to be the first step. Here, we used a series of physiological, pharmacological, genetic, and kinetic analyses of gene expression and hormone profiling to demonstrate that the early spiking of JA upon wounding does not depend on the expression of JA biosynthetic genes in Arabidopsis (Arabidopsis thaliana). Using a transgenic system, we showed how decoupling the responses to wounding and JA prevents the perpetual synthesis of JA in wounded leaves. We then used DEFECTIVE IN ANTHER DEHISCENCE1 (DAD1) as a model wound-responsive lipase to demonstrate that although its transient expression in leaves can elicit JA biosynthesis to a low level, an additional level of activation is triggered by wounding, which causes massive accumulation of JA. This wound-triggered boosting effect of DAD1-mediated JA synthesis can happen directly in damaged leaves or indirectly in undamaged remote leaves by the systemically transmitted wound signal. Finally, protein stability of DAD1 was influenced by wounding, α-linolenic acid, and mutation in its catalytic site. Together, the data support mechanisms that are independent of gene transcription and translation to initiate the rapid JA burst in wounded leaves and demonstrate how transient expression of the lipase can be used to reveal changes occurring at the level of activity and stability of the key lipolytic step.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.