ArticleJournal of experimental botany2020
A novel rice fragile culm 24 mutant encodes a UDP-glucose epimerase that affects cell wall properties and photosynthesis.
Article in Journal of experimental botany, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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19 citing papers in PubMed, 83 citations in OpenAlex.
- Selectively targeting UDP-glucose 4-epimerase MoUGE1 for controlling rice blast disease.Journal of advanced research · 2026Article
- Genome-Wide Analysis ofPlants (Basel, Switzerland) · 2026Article
- The rice BRITTLE CULM 4 gene encodes a membrane protein affecting cellulose synthesis in the secondary cell wall.Plant & cell physiology · 2025Article
- Meta-QTL Analysis and Identification of Candidate Genes Associated with Stalk Lodging in Maize (Current issues in molecular biology · 2025Article
- Pectins as Brakes? Their Potential Implication in Adjusting Mesophyll Conductance Under Water Deficit and Salt Stresses.Plants (Basel, Switzerland) · 2025Article
- Strong culm: a crucial trait for developing next-generation climate-resilient rice lines.Physiology and molecular biology of plants : an international journal of functional plant biology · 2024Review
- OsUGE2 Regulates Plant Growth through Affecting ROS Homeostasis and Iron Level in Rice.Rice (New York, N.Y.) · 2024Article
- Reciprocal regulation of cellulose and lignin biosynthesis by the transcription factor OsTCP19.Journal of experimental botany · 2024Article
- BOTRYOID POLLEN 1 regulates ROS-triggered PCD and pollen wall development by controlling UDP-sugar homeostasis in rice.The Plant cell · 2023Article
- OsUGE1 is directly targeted by OsGRF6 to regulate root hair length in rice.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Single-molecular insights into the breakpoint of cellulose nanofibers assembly during saccharification.Nature communications · 2023Article
- A large-scale forward genetic screen for maize mutants with altered lignocellulosic properties.Frontiers in plant science · 2023Article
- CEF3 is involved in membrane trafficking and essential for secondary cell wall biosynthesis and its mutation enhanced biomass enzymatic saccharification in rice.Biotechnology for biofuels and bioproducts · 2022Article
- Disruption ofInternational journal of molecular sciences · 2022Article
- Combined physiological and metabolomic analysis reveals the effects of different biostimulants on maize production and reproduction.Frontiers in plant science · 2022Article
- Down-regulation of OsMYB103L distinctively alters beta-1,4-glucan polymerization and cellulose microfibers assembly for enhanced biomass enzymatic saccharification in rice.Biotechnology for biofuels · 2021Article
- Genomic divergence during feralization reveals both conserved and distinct mechanisms of parallel weediness evolution.Communications biology · 2021Article
- Identification and fine mapping of a recessive gene controlling zebra leaf phenotype in maize.Molecular breeding : new strategies in plant improvement · 2021Article
- Biosynthesis and Transport of Nucleotide Sugars for Plant Hemicellulose.Frontiers in plant science · 2021Review
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Authors and funding
12 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
UDP-glucose epimerases (UGEs) are essential enzymes for catalysing the conversion of UDP-glucose (UDP-Glc) into UDP-galactose (UDP-Gal). Although UDP-Gal has been well studied as the substrate for the biosynthesis of carbohydrates, glycolipids, and glycoproteins, much remains unknown about the biological function of UGEs in plants. In this study, we selected a novel rice fragile culm 24 (Osfc24) mutant and identified it as a nonsense mutation of the FC24/OsUGE2 gene. The Osfc24 mutant shows a brittleness phenotype with significantly altered cell wall composition and disrupted orientation of the cellulose microfibrils. We found significantly reduced accumulation of arabinogalactan proteins in the cell walls of the mutant, which may consequently affect plant growth and cell wall deposition, and be responsible for the altered cellulose microfibril orientation. The mutant exhibits dwarfism and paler leaves with significantly decreased contents of galactolipids and chlorophyll, resulting in defects in plant photosynthesis. Based on our results, we propose a model for how OsUGE2 participates in two distinct metabolic pathways to co-modulate cellulose biosynthesis and cell wall assembly by dynamically providing UDP-Gal and UDP-Glc substrates.
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