ArticlePlant physiology2013
Loose Plant Architecture1, an INDETERMINATE DOMAIN protein involved in shoot gravitropism, regulates plant architecture in rice.
Article in Plant physiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 108 papers, 1 of them a synthesis that pooled it.
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Who cites it
108 citing papers in PubMed, 1 synthesis or guideline pooled it, 217 citations in OpenAlex.
- Dissection of Leaf Angle Variation in Maize through Genetic Mapping and Meta-Analysis.The plant genome · 2019Pooled it
- A Gain-of-Function Mutation in DELLA Selectively Alters Protein Interactions to Regulate Wheat Tiller Angle and Plant Height.Plant biotechnology journal · 2026Article
- Functional characterization of Acyl-CoA Synthase 1 in tomato branch angle development.BMC plant biology · 2026Article
- The LPA1-ITA1-BRXL4 module regulates shoot gravitropism and tiller angle in rice.Plant communications · 2026Article
- Genome-Wide Identification of theGenes · 2026Article
- Breeding ideotype maize with enhanced yield through genomics-guided pyramiding of favorable alleles.Nature genetics · 2026Article
- Genetic regulation of rice minor vein patterning by the OsIDD14/12/13 protein complex.aBIOTECH · 2026Article
- Genome-wide association analysis reveals natural genetic variations controlling canopy architecture traits in bread wheat.Scientific reports · 2026Article
- Activation of OsOxO2 by T-DNA Insertion Affects Plant Height and Leaf Angle in Rice.Rice (New York, N.Y.) · 2026Article
- Plant architecture genes affect seed composition and seed weight in soybeans grown in the Midsouth USA.Frontiers in plant science · 2026Article
- An auxin response factor regulates tiller angle and shoot gravitropism by directly activating related gene expression in rice.Journal of advanced research · 2025Article
- LAZY5 acts in an LAZY1-independent pathway to regulate rice tiller angle.Plant biotechnology journal · 2025Article
- Epiallelic Variation of TILLER ANGLE CONTROL 5 (TAC5) Regulates Tiller Angle by Modulating Gravitropism in Rice.Rice (New York, N.Y.) · 2025Article
- Comprehensive analysis of the INDETERMINATE DOMAIN (IDD) gene family in Marchantia polymorpha brings new insight into evolutionary developmental biology.BMC genomics · 2025Article
- Branching angles in the modulation of plant architecture: Molecular mechanisms, dynamic regulation, and evolution.Plant communications · 2025Review
- Genome-wide association study identifies elite alleles of FLA2 and FLA9 controlling flag leaf angle in rice.BMC genomics · 2025Article
- NtLPA1 overexpression regulates the growth of tobacco and enhances resistance to blight.Transgenic research · 2025Article
- Cellular and physiological functions of SGR family in gravitropic response in higher plants.Journal of advanced research · 2025Review
- Genetic Basis of Tillering Angle from Other Plants to Wheat: Current Progress and Future Perspectives.Plants (Basel, Switzerland) · 2024Review
- LAZY4 acts additively with the starch-statolith-dependent gravity-sensing pathway to regulate shoot gravitropism and tiller angle in rice.Plant communications · 2024Article
48 more citing papers are in PubMed but not listed here.
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5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Tiller angle and leaf angle are two important components of rice (Oryza sativa) plant architecture that play a crucial role in determining grain yield. Here, we report the cloning and characterization of the Loose Plant Architecture1 (LPA1) gene in rice, the functional ortholog of the AtIDD15/SHOOT GRAVITROPISM5 (SGR5) gene in Arabidopsis (Arabidopsis thaliana). LPA1 regulates tiller angle and leaf angle by controlling the adaxial growth of tiller node and lamina joint. LPA1 was also found to affect shoot gravitropism. Expression pattern analysis suggested that LPA1 influences plant architecture by affecting the gravitropism of leaf sheath pulvinus and lamina joint. However, LPA1 only influences gravity perception or signal transduction in coleoptile gravitropism by regulating the sedimentation rate of amyloplasts, distinct from the actions of LAZY1. LPA1 encodes a plant-specific INDETERMINATE DOMAIN protein and defines a novel subfamily of 28 INDETERMINATE DOMAIN proteins with several unique conserved features. LPA1 is localized in the nucleus and functions as an active transcriptional repressor, an activity mainly conferred by a conserved ethylene response factor-associated amphiphilic repression-like motif. Further analysis suggests that LPA1 participates in a complicated transcriptional and protein interaction network and has evolved novel functions distinct from SGR5. This study not only facilitates the understanding of gravitropism mechanisms but also generates a useful genetic material for rice breeding.
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