ArticleThe Plant cell2011
Increased leaf angle1, a Raf-like MAPKKK that interacts with a nuclear protein family, regulates mechanical tissue formation in the Lamina joint of rice.
Article in The Plant cell, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 69 papers.
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69 citing papers in PubMed.
- A NovelGenes · 2026Article
- Exploration of the signaling pathway involving OsCSN8 in regulating the leaf angle of rice.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Machine Learning-Driven Construction of High-Yielding Cucumber Plant Architectures in Greenhouse Environments.Plant biotechnology journal · 2026Article
- Article
- Activation of OsOxO2 by T-DNA Insertion Affects Plant Height and Leaf Angle in Rice.Rice (New York, N.Y.) · 2026Article
- Auxin controls rice root angle via kinase OsILA1-mediated cell wall modifications.Science advances · 2025Article
- Large-Scale Rice Mutant Establishment and High-Throughput Mutant Manipulation Help Advance Rice Functional Genomics.Plants (Basel, Switzerland) · 2025Review
- The G-protein γ subunit DEP1 facilitates brassinosteroid signaling in rice via a MYB-bHLH-ARF module.The Plant cell · 2025Article
- Genome-wide association study identifies elite alleles of FLA2 and FLA9 controlling flag leaf angle in rice.BMC genomics · 2025Article
- The OsMAPK6-OsWRKY72 module positively regulates rice leaf angle through brassinosteroid signals.Plant communications · 2025Article
- Combined transcriptomic and metabolomic analysis of phenylpropanoid biosynthesis in the mechanism of leaf angle formation in Sorghum.Frontiers in plant science · 2025Article
- The rice R2R3 MYB transcription factor FOUR LIPS connects brassinosteroid signaling to lignin deposition and leaf angle.The Plant cell · 2024Article
- Coordinated control for the auricle asymmetric development by ZmIDD14 and ZmIDD15 fine-tune the high-density planting adaption in maize.Plant biotechnology journal · 2024Article
- VIK-Mediated Auxin Signaling Regulates Lateral Root Development in Arabidopsis.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- WGCNA analysis of the effect of exogenous BR on leaf angle of maize mutant lpa1.Scientific reports · 2024Article
- Article
- Genome-Wide Identification and Analysis of Collar Region-Preferential Genes in Rice.Plants (Basel, Switzerland) · 2023Article
- Auxin regulation on crop: from mechanisms to opportunities in soybean breeding.Molecular breeding : new strategies in plant improvement · 2023Article
- MAPKKKs in Plants: Multidimensional Regulators of Plant Growth and Stress Responses.International journal of molecular sciences · 2023Review
- Article
9 more citing papers are in PubMed but not listed here.
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5 authors.
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Abstract
Mitogen-activated protein kinase kinase kinases (MAPKKKs), which function at the top level of mitogen-activated protein kinase cascades, are clustered into three groups. However, no Group C Raf-like MAPKKKs have yet been functionally identified. We report here the characterization of a rice (Oryza sativa) mutant, increased leaf angle1 (ila1), resulting from a T-DNA insertion in a Group C MAPKKK gene. The increased leaf angle in ila1 is caused by abnormal vascular bundle formation and cell wall composition in the leaf lamina joint, as distinct from the mechanism observed in brassinosteroid-related mutants. Phosphorylation assays revealed that ILA1 is a functional kinase with Ser/Thr kinase activity. ILA1 is predominantly resident in the nucleus and expressed in the vascular bundles of leaf lamina joints. Yeast two-hybrid screening identified six closely related ILA1 interacting proteins (IIPs) of unknown function. Using representative IIPs, the interaction of ILA1 and IIPs was confirmed in vivo. IIPs were localized in the nucleus and showed transactivation activity. Furthermore, ILA1 could phosphorylate IIP4, indicating that IIPs may be the downstream substrates of ILA1. Microarray analyses of leaf lamina joints provided additional evidence for alterations in mechanical strength in ila1. ILA1 is thus a key factor regulating mechanical tissue formation at the leaf lamina joint.
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