ArticlePlant physiology2023
Calcium-binding protein OsANN1 regulates rice blast disease resistance by inactivating jasmonic acid signaling.
Article in Plant physiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 19 citations in OpenAlex.
- Integrating molecular networks and physiological adaptation for heat-resilient crops.Journal of integrative plant biology · 2026Review
- The Transcription Factor OsWRKY30 Regulates Rice Resistance to Southern Rice Black Streaked Dwarf Virus Disease.Rice (New York, N.Y.) · 2026Article
- Annexin D1 and KIN29: Calcium-activated module promotes potyvirus infection.Plant physiology · 2025Article
- Augmenting riceProceedings of the National Academy of Sciences of the United States of America · 2025Article
- Annexins: central regulators of plant growth and stress signaling.Acta biochimica et biophysica Sinica · 2025Review
- Use of CRISPR Technology in Gene Editing for Tolerance to Biotic Factors in Plants: A Systematic Review.Current issues in molecular biology · 2024Review
- Rice OsANN9 Enhances Drought Tolerance through Modulating ROS Scavenging Systems.International journal of molecular sciences · 2023Article
- Regulation Mechanism of JA Signaling on the Expansin Gene SlEXPA8 Affecting Sugar Metabolism in Tomato.Physiologia plantarumArticle
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Rice blast, caused by the fungal pathogen Magnaporthe oryzae, is one of the most devastating diseases in rice (Oryza sativa L.). Plant annexins are calcium- and lipid-binding proteins that have multiple functions; however, the biological roles of annexins in plant disease resistance remain unknown. Here, we report a rice annexin gene, OsANN1 (Rice annexin 1), that was induced by M. oryzae infection and negatively regulated blast disease resistance in rice. By yeast 2-hybrid screening, we found that OsANN1 interacted with a cytochrome P450 monooxygenase, HAN1 ("HAN" termed "chilling" in Chinese), which has been reported to catalyze the conversion of biologically active jasmonoyl-L-isoleucine (JA-Ile) to the inactive form 12-hydroxy-JA-Ile. Pathogen inoculation assays revealed that HAN1 was also a negative regulator in rice blast resistance. Genetic evidence showed that OsANN1 acts upstream of HAN1. OsANN1 stabilizes HAN1 in planta, resulting in the inactivation of the endogenous biologically active JA-Ile. Taken together, our study unravels a mechanism where an OsANN1-HAN1 module impairs blast disease resistance via inactivating biologically active JA-Ile and JA signaling in rice.
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