ArticlePlant physiology2005
Analysis of the rice mutant dwarf and gladius leaf 1. Aberrant katanin-mediated microtubule organization causes up-regulation of gibberellin biosynthetic genes independently of gibberellin signaling.
Article in Plant physiology, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers, 1 of them a synthesis that pooled it.
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39 citing papers in PubMed, 1 synthesis or guideline pooled it, 89 citations in OpenAlex.
- Quantitative Trait Locus (QTL) meta-analysis and comparative genomics for candidate gene prediction in perennial ryegrass (Lolium perenne L.).BMC genetics · 2012Pooled it
- KATANIN is required for the formation of complete preprophase bands and subsequent division positioning in two asymmetric divisions of the maize stomatal complex.Journal of cell science · 2026Article
- KATANIN promotes cell elongation and division to generate proper cell numbers in maize organs.Nature communications · 2026Article
- N-terminal phosphorylation inhibits Arabidopsis katanin and affects vegetative and reproductive development in opposite ways.bioRxiv : the preprint server for biology · 2026Article
- Loci and natural alleles for leaf length and width revealed by a genome wide association study in adzuki bean.BMC plant biology · 2025Article
- Transcriptome and metabolome analyses reveal that GA3ox regulates the dwarf trait in mango (Mangifera indica L.).BMC plant biology · 2024Article
- Advancements in Rice Leaf Development Research.Plants (Basel, Switzerland) · 2024Review
- The mutation of C-24 reductase, a key enzyme involved in brassinolide biosynthesis, confers a novel compact plant architecture phenotype to cucumber.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Genome-wide in silico analysis of long intergenic non-coding RNAs from rice peduncles at the heading stage.Physiology and molecular biology of plants : an international journal of functional plant biology · 2021Article
- CsKTN1 for a katanin p60 subunit is associated with the regulation of fruit elongation in cucumber (Cucumis sativus L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- Transcriptome dynamic landscape underlying the improvement of maize lodging resistance under coronatine treatment.BMC plant biology · 2021Article
- Analysis of a radiation-induced dwarf mutant of a warm-season turf grass reveals potential mechanisms involved in the dwarfing mutant.Scientific reports · 2020Article
- Simultaneous Suppression of Two Distinct SerotoninBiomolecules · 2020Article
- AtKATANIN1 Modulates Microtubule Depolymerization and Reorganization in Response to Salt Stress inInternational journal of molecular sciences · 2019Article
- Short and narrow flag leaf1, a GATA zinc finger domain-containing protein, regulates flag leaf size in rice (Oryza sativa).BMC plant biology · 2018Article
- Genetic control of the root system in rice under normal and drought stress conditions by genome-wide association study.PLoS genetics · 2017Article
- Katanin: A Sword Cutting Microtubules for Cellular, Developmental, and Physiological Purposes.Frontiers in plant science · 2017Review
- Gibberellins Promote Brassinosteroids Action and Both Increase Heterosis for Plant Height in Maize (Frontiers in plant science · 2017Article
- Homologs of SCAR/WAVE complex components are required for epidermal cell morphogenesis in rice.Journal of experimental botany · 2016Article
- Quantitative phosphoproteomic analysis of early seed development in rice (Oryza sativa L.).Plant molecular biology · 2016Article
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8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Molecular genetic studies of plant dwarf mutants have indicated that gibberellin (GA) and brassinosteroid (BR) are two major factors that determine plant height; dwarf mutants that are caused by other defects are relatively rare, especially in monocot species. Here, we report a rice (Oryza sativa) dwarf mutant, dwarf and gladius leaf 1 (dgl1), which exhibits only minimal response to GA and BR. In addition to the dwarf phenotype, dgl1 produces leaves with abnormally rounded tip regions. Positional cloning of DGL1 revealed that it encodes a 60-kD microtubule-severing katanin-like protein. The protein was found to be important in cell elongation and division, based on the observed cell phenotypes. GA biosynthetic genes are up-regulated in dgl1, but the expression of BR biosynthetic genes is not enhanced. The enhanced expression of GA biosynthetic genes in dgl1 is not caused by inappropriate GA signaling because the expression of these genes was repressed by GA3 treatment, and degradation of the rice DELLA protein SLR1 was triggered by GA3 in this mutant. Instead, aberrant microtubule organization caused by the loss of the microtubule-severing function of DGL1 may result in enhanced expression of GA biosynthetic genes in that enhanced expression was also observed in a BR-deficient mutant with aberrant microtubule organization. These results suggest that the function of DGL1 is important for cell and organ elongation in rice, and aberrant DGL1-mediated microtubule organization causes up-regulation of gibberellin biosynthetic genes independently of gibberellin signaling.
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