ArticlePlant molecular biology2007
Mutations in the rice liguleless gene result in a complete loss of the auricle, ligule, and laminar joint.
Article in Plant molecular biology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 74 papers, 2 of them syntheses that pooled it.
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Who cites it
74 citing papers in PubMed, 2 syntheses or guidelines pooled it.
- Genome-wide meta-analysis of QTL for morphological related traits of flag leaf in bread wheat.PloS one · 2022Pooled it
- Dissection of Leaf Angle Variation in Maize through Genetic Mapping and Meta-Analysis.The plant genome · 2019Pooled it
- Molecular dissection and functional characterization of the liguleless1 gene for manipulation of leaf angle in maize.Molecular genetics and genomics : MGG · 2026Article
- A NovelGenes · 2026Article
- DNA hypomethylation enables the transcriptional repressor SlSPL-CNR to control fruit flavor ester biosynthesis.Nature communications · 2026Article
- Toward Breeding by Gene Design: Constructing the Ideotype ofPlants (Basel, Switzerland) · 2026Review
- Plant Genetic Engineering: Technological Pathways, Application Scenarios, and Future Directions.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Review
- Strigolactones Regulate Sugar Allocation to Control Rice Tillering and Root Development via the OsSPL14-OsSHR1-OsSWEET16 Pathway.Plant biotechnology journal · 2026Article
- Unlocking grass leaf development: foundations for tunable cereal design.The New phytologist · 2025Review
- Constitutive down-regulation of liguleless alleles in sorghum drives increased productivity and water use efficiency.Plant biotechnology journal · 2025Article
- Mutation of GLR2 confers enhanced glufosinate resistance and salt tolerance in rice.Plant physiology · 2024Article
- Loss-of-function of LIGULELESS1 activates the jasmonate pathway and promotes maize resistance to corn leaf aphids.Plant biotechnology journal · 2024Article
- The rice R2R3 MYB transcription factor FOUR LIPS connects brassinosteroid signaling to lignin deposition and leaf angle.The Plant cell · 2024Article
- The extent of multiallelic, co-editing of LIGULELESS1 in highly polyploid sugarcane tunes leaf inclination angle and enables selection of the ideotype for biomass yield.Plant biotechnology journal · 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
- Characterization of flag leaf morphology identifies a major genomic region controlling flag leaf angle in the US winter wheat (Triticum aestivum L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Genome-wide identification and analysis of SPL gene family in chickpea (Cicer arietinum L.).Protoplasma · 2024Article
- Article
- Fine-mapping and validation of the major quantitative trait locus QFlANG-4B for flag leaf angle in wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Genetic regulation of self-organizing azimuthal canopy orientations and their impacts on light interception in maize.The Plant cell · 2024Article
14 more citing papers are in PubMed but not listed here.
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Authors and funding
5 authors.
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No grant is acknowledged in the PubMed record.
Abstract
The area between the upper part of the leaf sheath and the basal portion of the leaf blade contains several specialized organs, such as the laminar joint, auricle and ligule. Here we report the identification of T-DNA insertional mutant lines that lack all of these organs. The gene knocked out in the mutant lines encodes a protein that contains a SBP (SQUAMOSA promoter Binding Protein)-domain and is highly homologous to the maize LIGULELESS1 (LG1) gene. At the amino acid sequence level, the OsLG1 protein is 69% identical to maize LG1 and 78% identical to barley LG1. We named the rice gene OsLIGULELESS1 (OsLG1). Transient expression of an OsLG1:RFP (Red Fluorescent Protein) fusion protein indicated that the protein is localized to the nucleus. Transgenic plants harboring the OsLG1 promoter:GUS (beta-glucuronidase) reporter gene construct display preferential expression in developing laminar joint regions and meristemic regions. The gene is also weakly expressed in the ligule, auricles, and leaf sheaths at the basal region. These results indicate that OsLG1 is a transcriptional factor that plays an important role in building the laminar joint between leaf blade and leaf sheath boundary, thereby controlling ligule and auricle development.
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