ArticleNature communications2026
A phosphorylation-dependent ubiquitination switch orchestrates nuclear immune reprogramming upon chitin perception.
Article in Nature communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Molecular Bases and Genetic Design of Rice Disease Resistance for Optimized Yield and Sustainable Agriculture.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Review
- Direct phospho-proteoform delivery reveals a degradation-prone monomeric state of 14-3-3.Chemical science · 2026Article
- 14-3-3 proteins: Central hubs in plant development and stress adaptation.Journal of integrative plant biology · 2026Review
- Crosstalk and reciprocal regulation of phosphorylation and ubiquitination mediated by receptor-like kinases and U-box E3 ligases during plant growth and environmental stress responses.Plant communications · 2026Review
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Authors and funding
13 authors.
Funding
Abstract
The 14-3-3 proteins, a highly conserved class in all eukaryotes, are widely associated with plant growth and stress responses. However, their role in plant immunity and its regulatory mechanisms remains elusive. Here, we show that two homologous rice 14-3-3 proteins, OsGF14f and OsGF14c, function redundantly to enhance rice resistance against Magnaporthe oryzae. The E3 ligase OsPUB20 targets OsGF14f and OsGF14c for ubiquitination and 26S proteasome-mediated degradation, thereby negatively regulating rice immunity. Remarkably, chitin perception activates the receptor-like cytoplasmic kinase OsRLCK185 that phosphorylates OsPUB20 at Thr153, which stabilizes OsGF14f and enhances rice blast resistance. Furthermore, during M. oryzae infection, OsGF14f translocates into the nucleus, where it facilitates the degradation of OsWRKY42, a transcription factor that negatively regulates defense responses. Collectively, our findings reveal a phosphorylation-dependent ubiquitination switch that links cell surface chitin perception to nuclear immune reprogramming during M. oryzae invasion.
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Registered trials
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