ArticlePlant physiology2023
Armadillo repeat only protein GS10 negatively regulates brassinosteroid signaling to control rice grain size.
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, 15 citations in OpenAlex.
- Armadillo repeat only gene VlARO confers resistance to Botrytis cinerea by promoting guaijaverin accumulation in grapevine.Plant cell reports · 2026Article
- Genetic dissection of cold stress tolerance and yield potential under cold stress in nested synthetic wheat (Triticum aestivum L.) introgression libraries using multi-locus genome-wide association and haplotype analysis.Functional & integrative genomics · 2026Article
- The 14-3-3 Protein OsGF14h Coordinates Brassinosteroid and Gibberellin Signaling to Regulate Plant Growth and Grain Yield in Rice.Rice (New York, N.Y.) · 2025Article
- Genetic Improvement of rice Grain size Using the CRISPR/Cas9 System.Rice (New York, N.Y.) · 2025Review
- SPL50 Regulates Cell Death and Resistance to Magnaporthe Oryzae in Rice.Rice (New York, N.Y.) · 2024Article
- When Size Matters: New Insights on How Seed Size Can Contribute to the Early Stages of Plant Development.Plants (Basel, Switzerland) · 2024Review
- Article
- Genome-Wide Identification and Expression Analysis of theInternational journal of molecular sciences · 2024Article
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Authors and funding
18 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Grain yield and grain quality are major determinants in modern breeding controlled by many quantitative traits loci (QTLs) in rice (Oryza sativa). However, the mechanisms underlying grain shape and quality are poorly understood. Here, we characterize a QTL for grain size and grain quality via map-based cloning from wild rice (W1943), GS10 (Grain Size on Chromosome 10), which encodes a protein with 6 tandem armadillo repeats. The null mutant gs10 shows slender and narrow grains with altered cell size, which has a pleiotropic effect on other agronomical traits. Functional analysis reveals that GS10 interacts with TUD1 (Taihu Dwarf1) and is epistatic to OsGSK2 (glycogen synthase kinase 2) through regulating grain shape and lamina joint inclination, indicating it is negatively involved in brassinosteroid (BR) signaling. Pyramiding gs10 and the grain size gene GW5 into cultivar GLA4 substantially improved grain shape and appearance quality. Natural variation analysis revealed that gs10 from the wild rice Oryza rufipogon W1943 is a rare allele across the rice population. Collectively, these findings advance our understanding of the underlying mechanism of grain shape and provide the beneficial allele of gs10 for future rice breeding and genetic improvement.
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