ArticleRice (New York, N.Y.)2021
Unique Glutelin Expression Patterns and Seed Endosperm Structure Facilitate Glutelin Accumulation in Polyploid Rice Seed.
Article in Rice (New York, N.Y.), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed, 32 citations in OpenAlex.
- Evolution of Rice Storage Quality and Underlying Microstructural Mechanisms Under Varying Nitrogen Fertilization Application Levels.Foods (Basel, Switzerland) · 2026Article
- High-Value Transformation of Rice-Derived Bioactive Peptides for Multiscenario Applications: From AI-Aided Design to Molecular Modification.International journal of food science · 2026Review
- Multiplex CRISPR/Cas9 Editing of Rice Prolamin and GluA Glutelin Genes Reveals Subfamily-Specific Effects on Seed Protein Composition.Plants (Basel, Switzerland) · 2025Article
- Starches in Rice: Effects of Rice Variety and Processing/Cooking Methods on Their Glycemic Index.Foods (Basel, Switzerland) · 2025Review
- Unveiling distinct storage composition and starch properties in developing indica rice grains via transcriptional profiling and enzymatic activity analysis.Computational and structural biotechnology journal · 2025Article
- Effect of Rice Protein on the Gelatinization and Retrogradation of Rice Starch with Different Moisture Content.Foods (Basel, Switzerland) · 2024Article
- Article
- Impacts of Inherent Components and Nitrogen Fertilizer on Eating and Cooking Quality of Rice: A Review.Foods (Basel, Switzerland) · 2023Review
- Comparative cytological and transcriptome analyses ofFrontiers in plant science · 2023Article
- Metabolomics and transcriptomics analyses provide new insights into the nutritional quality during the endosperm development of different ploidy rice.Frontiers in plant science · 2023Article
- Gene Expression in the Developing Seed of Wild and Domesticated Rice.International journal of molecular sciences · 2022Article
- Amino Acids in Rice Grains and Their Regulation by Polyamines and Phytohormones.Plants (Basel, Switzerland) · 2022Review
- Thermo-Sensitive Genic Male Sterile Lines of Neo-Tetraploid Rice Developed through Gene Editing Technology Revealed High Levels of Hybrid Vigor.Plants (Basel, Switzerland) · 2022Article
- Interfered chromosome pairing at high temperature promotes meiotic instability in autotetraploid Arabidopsis.Plant physiology · 2022Article
- Polyploidization Increases the Lipid Content and Improves the Nutritional Quality of Rice.Plants (Basel, Switzerland) · 2022Article
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13 authors at 3 institutions in 1 country.
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Abstract
backgroundRice is not only an essential food but also a source of high quality protein. Polyploidy is an evolutionary trajectory in plants, and enhancing glutelin by polyploidization is an attractive strategy for improving the nutritional value of rice seeds and presents a great potential for enhancing the commercial value of rice. Elucidating the mechanisms underlying glutelin synthesis and accumulation in tetraploid rice is of great significance.
resultsTo enhance the nutritional value of rice, we developed tetraploid rice and evaluated the contents of various nutrient elements in mature seeds. The results revealed a significant increase in protein contents, including the total seed storage proteins, glutelins, and amino acids in tetraploid rice when compared with those in diploid rice. Tandem mass tag-based quantitative proteomic analyses of seeds revealed that glutelins regulated by several glutelin genes in 9311-4x were significantly up-regulated (≥1.5-fold), which was further verified by immunoblot analyses. In addition, temporal expression patterns of various glutelin subunits in different rice lines were investigated. The results revealed significant differences in the expression patterns between diploid and tetraploid rice seeds. Cytohistological analyses results revealed that the thickness of aleurone cell layers increased significantly by 32% in tetraploid rice, the structures of protein storage vacuoles (PSVs) in sub-aleurone cells were more diverse and abundant than those of diploid rice. Temporal expression and proteomic analyses results revealed that protein disulfide isomerase-like 1-1 expression levels were higher in tetraploid rice than in diploid rice, and that the gene responded to oxidative folding with increased levels of proglutelin and appropriate distribution of seed glutelins in tetraploid rice.
conclusionThe results of the present study revealed that polyploidization increased glutelin content by influencing glutelin biosynthesis, transport, and deposition, while variations in glutelin accumulation between tetraploid and diploid rice were largely manifested in the initial time, duration, and relative levels of various glutelin gene expressions during seed filling stages. These findings provide novel insights into improving the protein quality and nutritional value of rice seeds by polyploid breeding.
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