ArticleNature communications2024
Petal abscission is promoted by jasmonic acid-induced autophagy at Arabidopsis petal bases.
Article in Nature communications, 2024. 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.
- The RhMPK3-RhLOB41-RhWRKY9 module orchestrates ethylene-induced petal abscission via dual control of ROS homeostasis in rose.Science advances · 2026Article
- Physiological and Transcriptomic Dissection of Inflorescence Degeneration inPlants (Basel, Switzerland) · 2026Article
- BLADE-ON-PETIOLE Genes Enable Genetic Bottleneck Mitigation Through Cross-Species Repurposing of Floral Persistence Traits.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 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
- Cell-type-specific autophagy in root-hair-forming cells is essential for salt stress tolerance in Arabidopsis thaliana.Nature plants · 2026Article
- Interplay of different signaling mechanisms in regulating programmed cell death during plant development and in response to stresses.Protoplasma · 2026Review
- The environmentally responsive plant epigenome: insights from jasmonate signaling.The New phytologist · 2026Review
- A hierarchical abscission program regulates reproductive allocation inHorticulture research · 2026Article
- Genome-wide analysis of expansin and aquaporin genes and their association with auxin-related metabolites during flower opening inFrontiers in plant science · 2026Article
- Autophagy-phytohormone crosstalk: a dual-regulation axis in plant development.Frontiers in plant science · 2026Review
- Robustness in jasmonate signaling: mechanisms of concerted regulation and implications for crop improvement.aBIOTECH · 2025Review
- From Model to Crop: Roles of Macroautophagy inGenes · 2025Review
- Article
- Abscission zones: cellular interfaces for the programmed separation of organs.Annals of botany · 2025Review
- A receptor-kinase cascade confers cold-induced root growth inhibition in Arabidopsis.Nature plants · 2025Article
- Staining Methods for Visualization of Cellular Damage During Petal Abscission.Methods in molecular biology (Clifton, N.J.) · 2025Article
- Article
- Abscission in plants: from mechanism to applications.Advanced biotechnology · 2024Review
- Integrated volatile metabolome and transcriptome analyses provide insights into the warm aroma formation elicited by methyl jasmonate in carrot root.Frontiers in plant science · 2024Article
- ABA Signaling De-Repression Coordinates With Cytokinin to Drive Large Petal Formation in Brassica napus.Physiologia plantarumArticle
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17 authors.
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Abstract
In angiosperms, the transition from floral-organ maintenance to abscission determines reproductive success and seed dispersion. For petal abscission, cell-fate decisions specifically at the petal-cell base are more important than organ-level senescence or cell death in petals. However, how this transition is regulated remains unclear. Here, we identify a jasmonic acid (JA)-regulated chromatin-state switch at the base of Arabidopsis petals that directs local cell-fate determination via autophagy. During petal maintenance, co-repressors of JA signaling accumulate at the base of petals to block MYC activity, leading to lower levels of ROS. JA acts as an airborne signaling molecule transmitted from stamens to petals, accumulating primarily in petal bases to trigger chromatin remodeling. This allows MYC transcription factors to promote chromatin accessibility for downstream targets, including NAC DOMAIN-CONTAINING PROTEIN102 (ANAC102). ANAC102 accumulates specifically at the petal base prior to abscission and triggers ROS accumulation and cell death via AUTOPHAGY-RELATED GENEs induction. Developmentally induced autophagy at the petal base causes maturation, vacuolar delivery, and breakdown of autophagosomes for terminal cell differentiation. Dynamic changes in vesicles and cytoplasmic components in the vacuole occur in many plants, suggesting JA-NAC-mediated local cell-fate determination by autophagy may be conserved in angiosperms.
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