ArticleJournal of experimental botany2016
Rice putative methyltransferase gene OsTSD2 is required for root development involving pectin modification.
Article in Journal of experimental botany, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed.
- Identification of candidate genes for deep-sowing tolerance in rice by genome-wide association study and transcriptome sequencing.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- CmbZIP11 regulatesHorticulture research · 2026Article
- Cell wall xyloglucan epitope modifications during flooding-induced root aerenchyma development in select cool-season legumes.Frontiers in plant science · 2026Article
- Pectin Peek-a-Boo: Homogalacturonan Turnover During Flooding-Induced Legume Root Aerenchyma Formation.Plants (Basel, Switzerland) · 2025Article
- The root cortex of the Poaceae: a diverse, dynamic, and dispensable tissue.Plant and soil · 2025Review
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- CRISPR/Cas9-targeted mutagenesis ofHorticulture research · 2022Article
- In Situ Observation of Abscisic Acid Distribution in Major Crop Species by Immunofluorescence Labeling.Methods in molecular biology (Clifton, N.J.) · 2022Article
- QTL Mapping and Candidate Gene Identification of Swollen Root Formation in Turnip.International journal of molecular sciences · 2021Article
- Mutations in the Pectin Methyltransferase QUASIMODO2 Influence Cellulose Biosynthesis and Wall Integrity in Arabidopsis.The Plant cell · 2020Article
- Small RNA sequencing revealed various microRNAs involved in ethylene-triggered flowering process in Aechmea fasciata.Scientific reports · 2020Article
- Genome-Wide Study of the GATL Gene Family inGenes · 2020Article
- Rice Putative Methyltransferase GeneFrontiers in plant science · 2020Article
- Immunoprofiling of Cell Wall Carbohydrate Modifications During Flooding-Induced Aerenchyma Formation in Fabaceae Roots.Frontiers in plant science · 2019Article
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8 authors.
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Abstract
Pectin synthesis and modification are vital for plant development, although the underlying mechanisms are still not well understood. Here, we report the functional characterization of the OsTSD2 gene, which encodes a putative methyltransferase in rice. All three independent T-DNA insertion lines of OsTSD2 displayed dwarf phenotypes and serial alterations in different zones of the root. These alterations included abnormal cellular adhesion and schizogenous aerenchyma formation in the meristematic zone, inhibited root elongation in the elongation zone, and higher lateral root density in the mature zone. Immunofluorescence (with LM19) and Ruthenium Red staining of the roots showed that unesterified homogalacturonan (HG) was increased in Ostsd2 mutants. Biochemical analysis of cell wall pectin polysaccharides revealed that both the monosaccharide composition and the uronic acid content were decreased in Ostsd2 mutants. Increased endogenous ABA content and opposite roles performed by ABA and IAA in regulating cellular adhesion in the Ostsd2 mutants suggested that OsTSD2 is required for root development in rice through a pathway involving pectin synthesis/modification. A hypothesis to explain the relationship among OsTSD2, pectin methylesterification, and root development is proposed, based on pectin's function in regional cell extension/division in a zone-dependent manner.
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