ArticlePlant physiology2012
Dynamic changes in the distribution of minerals in relation to phytic acid accumulation during rice seed development.
Article in Plant physiology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 51 papers.
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51 citing papers in PubMed, 174 citations in OpenAlex.
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- From paddy soil to dining table: biological biofortification of rice with zinc.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Review
- The aleurone layer of cereal grains: Development, genetic regulation, and breeding applications.Plant communications · 2025Review
- Spatial-Temporal Variation of Grain Magnesium, Calcium and Their Response to Phosphorus Nutrition in Sweet Corn.Food science & nutrition · 2025Article
- Applications of synchrotron light in seed research: an array of x-ray and infrared imaging methodologies.Frontiers in plant science · 2024Article
- Investigating Mineral Accumulation and Seed Vigor Potential in Bottle Gourd (Plants (Basel, Switzerland) · 2023Article
- Zinc Localization and Speciation in Rice Grain Under Variable Soil Zinc Deficiency.Plant and soil · 2023Article
- Unraveling the genetics underlying micronutrient signatures of diversity panel present in brown rice through genome-ionome linkages.The Plant journal : for cell and molecular biology · 2023Article
- Dormancy release of seeds of Podophyllum hexandrum Royle accompanied by changes in phytochemicals and inorganic elements.PloS one · 2023Article
- Spermidine enhances heat tolerance of rice seeds during mid-filling stage and promote subsequent seed germination.Frontiers in plant science · 2023Article
- Rice biofortification: breeding and genomic approaches for genetic enhancement of grain zinc and iron contents.Frontiers in plant science · 2023Review
- Identifying genes associated with abiotic stress tolerance suitable for CRISPR/Cas9 editing in upland rice cultivars adapted to acid soils.Plant direct · 2022Article
- The Dynamics of Phosphorus Uptake and Remobilization during the Grain Development Period in Durum Wheat Plants.Plants (Basel, Switzerland) · 2022Article
- Microautophagy Mediates Vacuolar Delivery of Storage Proteins in Maize Aleurone Cells.Frontiers in plant science · 2022Article
- Kernel color and fertilization as factors of enhanced maize quality.Frontiers in plant science · 2022Article
- Integrating a genome-wide association study with transcriptomic data to predict candidate genes and favourable haplotypes influencing Brassica napus seed phytate.DNA research : an international journal for rapid publication of reports on genes and genomes · 2021Article
- Phosphorus application improves grain yield in low phytic acid maize synthetic populations.Heliyon · 2021Article
- Endogenous nutrients are concentrated in specific tissues in the Zea mays seedling.Protoplasma · 2021Article
- Combination of High Zn Density and Low Phytic Acid for Improving Zn Bioavailability in Rice (Oryza stavia L.) Grain.Rice (New York, N.Y.) · 2021Article
- RNAi-mediated down-regulation ofJournal of biosciences · 2021Article
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Phytic acid (inositol hexakisphosphate [InsP(6)]) is the storage compound of phosphorus in seeds. As phytic acid binds strongly to metallic cations, it also acts as a storage compound of metals. To understand the mechanisms underlying metal accumulation and localization in relation to phytic acid storage, we applied synchrotron-based x-ray microfluorescence imaging analysis to characterize the simultaneous subcellular distribution of some mineral elements (phosphorus, calcium, potassium, iron, zinc, and copper) in immature and mature rice (Oryza sativa) seeds. This fine-imaging method can reveal whether these elements colocalize. We also determined their accumulation patterns and the changes in phosphate and InsP(6) contents during seed development. While the InsP(6) content in the outer parts of seeds rapidly increased during seed development, the phosphate contents of both the outer and inner parts of seeds remained low. Phosphorus, calcium, potassium, and iron were most abundant in the aleurone layer, and they colocalized throughout seed development. Zinc was broadly distributed from the aleurone layer to the inner endosperm. Copper localized outside the aleurone layer and did not colocalize with phosphorus. From these results, we suggest that phosphorus translocated from source organs was immediately converted to InsP(6) and accumulated in aleurone layer cells and that calcium, potassium, and iron accumulated as phytic acid salt (phytate) in the aleurone layer, whereas zinc bound loosely to InsP(6) and accumulated not only in phytate but also in another storage form. Copper accumulated in the endosperm and may exhibit a storage form other than phytate.
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