ArticlePlant biotechnology journal2025
Natural mutation in Stay-Green (OsSGR) confers enhanced resistance to rice sheath blight through elevating cytokinin content.
Article in Plant biotechnology journal, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed.
- Genome-Wide Screening and Functional Verification of the Tobacco SGR Family Identify Transcription-Factor-Like NtSGRL as a Negative Regulator of Tomato Yellow Leaf Curl Virus Resistance.Molecular plant pathology · 2026Article
- Molecular Bases and Genetic Design of Rice Disease Resistance for Optimized Yield and Sustainable Agriculture.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Review
- Development of a highly efficient prime editing platform for cucurbits enables breeding of multi-disease-resistant cucumber.Journal of integrative plant biology · 2026Article
- The SlARF6A-SlFBA3/SlSGR Module Regulates the Resistance of Tomatoes to Pseudomonas syringae pv. tomato.Molecular plant pathology · 2026Article
- Phenotypic and Physiological Changes Associated with Senescence in Stay-GreenPlants (Basel, Switzerland) · 2026Article
- The effector AGLIP1 hijacks peroxidase OsAPX8 to coordinate rice immune suppression and ROS-Driven cell death for facilitating Rhizoctonia solani infection.Journal of advanced research · 2026Article
- Control of Rice Sheath Blight by Combining Susceptible Genes Editing and Nano-Immune Inducer Spraying.Plant biotechnology journal · 2026Article
- Photosystem Perturbation by Staygreen Mutations Confers Allele-Dependent Defences Against Infections of Pathogens With Different Lifestyles and Abiotic Stress Tolerance.Plant, cell & environment · 2026Article
- RING-Type E3 Ligase OsRFPH2-6 Ubiquitinates Nuclear Factor Y Subunit OsNF-YA1 to Suppress Rice Immunity.Molecular plant pathology · 2025Article
- Introducing a win-win strategy for both rice yield and sheath blight resistance.Journal of integrative plant biology · 2025Article
- Rice breeding against sheath blight is now feasible: a breakthrough discovery of SBRR1-mediated sheath blight resistance from natural rice germplasm.Stress biology · 2025Article
- Overexpression ofJournal of fungi (Basel, Switzerland) · 2025Article
- Systematic Analysis ofGenes · 2025Article
- Integrated QTL mapping and candidate gene analysis for yield-related traits and salt tolerance in a rice RIL population.Frontiers in plant science · 2025Article
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18 authors.
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Abstract
Sheath blight (ShB), caused by Rhizoctonia solani, is a highly destructive disease in many crops worldwide and no major resistance genes are available. Here, we identified a sbr1 (sheath blight resistance 1) rice mutant, which shows enhanced ShB resistance and maintains wildtype agronomic traits including yield, but carries an undesired stay-green phenotype. Through map-based cloning and transgenic validation, we found that an insertion disrupting the Stay-Green (OsSGR) gene is responsible for sbr1 phenotypes. Mechanistically, the sbr1/Ossgr mutants reduce the expression of most OsCKX genes, which function in cytokinin (CK) degradation, to accumulate CK leading to ShB resistance. Importantly, knockout of OsCKX7, predominantly expressed in the leaf sheath and highly induced by R. solani, significantly enhances ShB resistance without stay-green phenotype nor yield penalty, showing high application potential. Thus, our study reveals novel insights that OsSGR and cytokinin play key roles in rice-R. solani interaction and generates a valuable ShB-resistant germplasm.
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