ArticleThe New phytologist2025
Co-occurrence of chloroplastic ROS production and salicylic acid induction in plant immunity.
Article in The New phytologist, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Article
- Systemic acquired resistance: an emerging role for jasmonates in local signal biogenesis, translocation and distal signal decoding.The New phytologist · 2026Review
- The NSvc4 Protein of Rice Stripe Virus Suppresses Chloroplast-Mediated Defense by Interacting with NbPsbQ.International journal of molecular sciences · 2026Article
- Genome-Wide Identification Analysis of the MAPKKK Gene Family in Cotton and Its Role in Development and Stress Response.International journal of molecular sciences · 2026Article
- Pathogen effector tactics to suppress plant endomembrane system.Frontiers in plant science · 2026Review
Corrections and comments
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Authors and funding
9 authors.
Funding
Abstract
Chloroplasts are important sites of metabolite biosynthesis, including precursors of the defense-related phytohormone salicylic acid (SA). Chloroplastic reactive oxygen species (cROS) have previously been shown to contribute significantly to disease resistance in Arabidopsis thaliana L. (Heyn). To understand the function of cROS in plant immunity, we coupled confocal cROS imaging with gene expression, mass spectrometry, and hyperspectral imaging analysis. Here, we show that cROS production correlates with the onset of SA biosynthesis and that abrogating cROS production during immune elicitation prevents the initiation of SA-dependent, but not SA-independent, immune responses. Furthermore, we show that the Pseudomonas syringae effector proteins HopM1 and AvrE1 suppress cROS production, contributing to virulence by facilitating the induction of water-soaking lesions through immune inhibition. We propose that certain ROS produced in the chloroplasts serve as triggers for the induction of the SA signaling cascade in plants and that they are targeted by a conserved family of pathogen effector proteins.
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Registered trials
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.