ArticlePlant molecular biology2020
Small grain and semi-dwarf 3, a WRKY transcription factor, negatively regulates plant height and grain size by stabilizing SLR1 expression in rice.
Article in Plant molecular biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.
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37 citing papers in PubMed, 76 citations in OpenAlex.
- Common genetic control for grain filling duration and kernel weight in grain sorghum.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- PsWRKY71 acts as a GA signaling component to promote bud break in tree peony (Paeonia suffruticosa).The New phytologist · 2026Article
- CRISPR/Cas9-Mediated Mutagenesis of OsERF94 Enhances Pre-Harvest Sprouting in Rice.Rice (New York, N.Y.) · 2026Article
- Identification of Potential Candidate Dwarf Genes in Maize by BSA-Seq and Transcriptomic Analyses.Plants (Basel, Switzerland) · 2026Article
- Full-length transcriptome analysis identifiesFrontiers in plant science · 2026Article
- Transcription factor MdWRKY50 correlates with spur-type formation in apple by modulating endogenous gibberellin biosynthesis.BMC plant biology · 2025Article
- Prediction of Rice Plant Height Using Linear Regression Model by Pyramiding Plant Height-Related Alleles.International journal of molecular sciences · 2025Article
- A molecular framework for the GS2-SUG1 module-mediated control of grain size and weight in rice.Nature communications · 2025Article
- Deciphering the regulatory network of lignocellulose biosynthesis in bread wheat through genome-wide association studies.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- The OsMAPK6-OsWRKY72 module positively regulates rice leaf angle through brassinosteroid signals.Plant communications · 2025Article
- WRKY36-PIL15 Transcription Factor Complex Negatively Regulates Sheath Blight Resistance and Seed Development in Rice.Plants (Basel, Switzerland) · 2025Article
- Physiological mechanism of lodging resistance of oat stalk and analysis of transcriptome differences.Frontiers in plant science · 2025Article
- The E3 ligase OsPUB33 controls rice grain size and weight by regulating the OsNAC120-BG1 module.The Plant cell · 2024Article
- The SINA1-BSD1 Module Regulates Vegetative Growth Involving Gibberellin Biosynthesis in Tomato.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- OsWRKY70 Plays Opposite Roles in Blast Resistance and Cold Stress Tolerance in Rice.Rice (New York, N.Y.) · 2024Article
- Sorbitol mediates age-dependent changes in apple plant growth strategy through gibberellin signaling.Horticulture research · 2024Article
- Molecular mechanisms controlling grain size and weight and their biotechnological breeding applications in maize and other cereal crops.Journal of advanced research · 2024Review
- Fine Mapping of Five Grain Size QTLs Which Affect Grain Yield and Quality in Rice.International journal of molecular sciences · 2024Article
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Authors and funding
16 authors at 2 institutions in 2 countries.
Funding
Abstract
key messageOsWRKY36 represses plant height and grain size by inhibiting gibberellin signaling. Plant height and grain size are important agronomic traits affecting yield in cereals, including rice. Gibberellins (GAs) are plant hormones that promote plant growth and developmental processions such as stem elongation and grain size. WRKYs are transcription factors that regulate stress tolerance and plant development including height and grain size. However, the relationship between GA signaling and WRKY genes is still poorly understood. Here, we characterized a small grain and semi-dwarf 3 (sgsd3) mutant in rice cv. Hwayoung (WT). A T-DNA insertion in the 5'-UTR of OsWRKY36 induced overexpression of OsWRKY36 in the sgsd3 mutant, likely leading to the mutant phenotype. This was confirmed by the finding that overexpression of OsWRKY36 caused a similar small grain and semi-dwarf phenotype to the sgsd3 mutant whereas knock down and knock out caused larger grain phenotypes. The sgsd3 mutant was also hyposensitive to GA and accumulated higher mRNA and protein levels of SLR1 (a GA signaling DELLA-like inhibitor) compared with the WT. Further assays showed that OsWRKY36 enhanced SLR1 transcription by directly binding to its promoter. In addition, we found that OsWRKY36 can protect SLR1 from GA-mediated degradation. We thus identified a new GA signaling repressor OsWRKY36 that represses GA signaling through stabilizing the expression of SLR1.
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