ArticlePlant molecular biology2019
Rice OsPEX1, an extensin-like protein, affects lignin biosynthesis and plant growth.
Article in Plant molecular biology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed, 51 citations in OpenAlex.
- Recent physiological, genetic, and management perspectives on lodging resistance in rice.Planta · 2026Review
- Multi-model genome-wide association studies identify stable QTLs and candidate genes for lodging resistance inFrontiers in plant science · 2026Article
- Extensin-like Protein OsPEX1 Modulates Grain Filling in Rice.Plants (Basel, Switzerland) · 2025Article
- Rice transcription factor bHLH25 confers resistance to multiple diseases by sensing HCell research · 2025Article
- Identification of QTLs and Key Genes Enhancing Lodging Resistance in Soybean Through Chemical and Physical Trait Analysis.Plants (Basel, Switzerland) · 2024Article
- Identification of quantitative trait loci for lodging and related agronomic traits in soybean (Glycine max [L.] Merr.).BMC genomics · 2024Article
- Morphological, anatomical, and transcriptomics analysis reveals the regulatory mechanisms of cassava plant height development.BMC genomics · 2024Article
- Identification and functional characterization of conserved cis-regulatory elements responsible for early fruit development in cucurbit crops.The Plant cell · 2024Article
- Review
- Extreme trait GWAS (Et-GWAS): Unraveling rare variants in the 3,000 rice genome.Life science alliance · 2024Article
- The transcription factor MYB110 regulates plant height, lodging resistance, and grain yield in rice.The Plant cell · 2024Article
- OsPEX1, an extensin-like protein, negatively regulates root growth in a gibberellin-mediated manner in rice.Plant molecular biology · 2023Article
- COG2 negatively regulates chilling tolerance through cell wall components altered in rice.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Transcriptomic and Metabolic Profiling Reveals a Lignin Metabolism Network Involved in Mesocotyl Elongation during Maize Seed Germination.Plants (Basel, Switzerland) · 2022Article
- Morphological, transcriptomic and metabolomic analyses of Sophora davidii mutants for plant height.BMC plant biology · 2022Article
- Shading decreases lodging resistance of wheat under different planting densities by altering lignin monomer composition of stems.Frontiers in plant science · 2022Article
- Transgenic rice plants expressing the α-L-arabinofuranosidase ofPlant biotechnology (Tokyo, Japan) · 2021Article
- Genomic imprinted genes in reciprocal hybrid endosperm of Brassica napus.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
- Molecular Changes Concomitant with Vascular System Development in Mature Galls Induced by Root-Knot Nematodes in the Model Tree HostInternational journal of molecular sciences · 2020Article
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
Abstract
key messageRice leucine-rich repeat extensin-like protein OsPEX1 mediates the intersection of lignin deposition and plant growth. Lignin, a major structural component of secondary cell wall, is essential for normal plant growth and development. However, the molecular and genetic regulation of lignin biosynthesis is not fully understood in rice. Here we report the identification and characterization of a rice semi-dominant dwarf mutant (pex1) with stiff culm. Molecular and genetic analyses revealed that the pex1 phenotype was caused by ectopic expression of a leucine-rich repeat extension-like gene, OsPEX1. Interestingly, the pex1 mutant showed significantly higher lignin content and increased expression levels of lignin-related genes compared with wild type plants. Conversely, OsPEX1-suppresssed transgenics displayed low lignin content and reduced transcriptional abundance of genes associated with lignin biosynthesis, indicating that the OsPEX1 mediates lignin biosynthesis and/or deposition in rice. When OsPEX1 was ectopically expressed in rice cultivars with tall stature that lacks the allele of semi-dwarf 1, well-known green revolution gene, the resulting transgenic plants displayed reduced height and enhanced lodging resistance. Our study uncovers a causative effect between the expression of OsPEX1 and lignin deposition. Lastly, we demonstrated that modulating OsPEX1 expression could provide a tool for improving rice lodging resistance.
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