ArticleBMC plant biology2011
Real-time imaging and analysis of differences in cadmium dynamics in rice cultivars (Oryza sativa) using positron-emitting 107Cd tracer.
Article in BMC plant biology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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Who cites it
25 citing papers in PubMed, 93 citations in OpenAlex.
- Expression of OsHARBI1-1 enhances the tolerance of Arabidopsis thaliana to cadmium.BMC plant biology · 2023Article
- Genetic Regulation Mechanism of Cadmium Accumulation and Its Utilization in Rice Breeding.International journal of molecular sciences · 2023Review
- Effects of Cadmium Stress on Root and Root Border Cells of Some Vegetable Species with Different Types of Root Meristem.Life (Basel, Switzerland) · 2022Article
- The Road to Practical Application of Cadmium Phytoremediation Using Rice.Plants (Basel, Switzerland) · 2021Review
- New evidence of arsenic translocation and accumulation in Pteris vittata from real-time imaging using positron-emittingScientific reports · 2021Article
- Reduction of cadmium accumulation in the grains of male sterile rice Chuang-5S carrying3 Biotech · 2020Article
- Breeding and characterization of the high cadmium-accumulating rice line 'Akita 119'.Breeding science · 2020Article
- Agronomic Management and Rice Varieties Controlling Cd Bioaccumulation in Rice.International journal of environmental research and public health · 2019Article
- Aeration Increases Cadmium (Cd) Retention by Enhancing Iron Plaque Formation and Regulating Pectin Synthesis in the Roots of Rice (Oryza sativa) Seedlings.Rice (New York, N.Y.) · 2019Article
- Improved Cd, Zn and Mn tolerance and reduced Cd accumulation in grains with wheat-based cell number regulator TaCNR2.Scientific reports · 2019Article
- Article
- Cadmium accumulation characteristics of low-cadmium rice (Oryza sativa L.) line and FEnvironmental science and pollution research international · 2017Article
- Low-cesium rice: mutation in OsSOS2 reduces radiocesium in rice grains.Scientific reports · 2017Article
- Visualization of zinc dynamics in intact plants using positron imaging of commercially availablePlant methods · 2017Article
- Kinetic Analysis of Zinc/Cadmium Reciprocal Competitions Suggests a Possible Zn-Insensitive Pathway for Root-to-Shoot Cadmium Translocation in Rice.Rice (New York, N.Y.) · 2016Article
- Comparison on cellular mechanisms of iron and cadmium accumulation in rice: prospects for cultivating Fe-rich but Cd-free rice.Rice (New York, N.Y.) · 2016Review
- Visualization of Uptake of Mineral Elements and the Dynamics of Photosynthates in Arabidopsis by a Newly Developed Real-Time Radioisotope Imaging System (RRIS).Plant & cell physiology · 2016Article
- Route and Regulation of Zinc, Cadmium, and Iron Transport in Rice Plants (Oryza sativa L.) during Vegetative Growth and Grain Filling: Metal Transporters, Metal Speciation, Grain Cd Reduction and Zn and Fe Biofortification.International journal of molecular sciences · 2015Review
- From laboratory to field: OsNRAMP5-knockdown rice is a promising candidate for Cd phytoremediation in paddy fields.PloS one · 2014Article
- Metal species involved in long distance metal transport in plants.Frontiers in plant science · 2014Review
Corrections and comments
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundRice is a major source of dietary intake of cadmium (Cd) for populations that consume rice as a staple food. Understanding how Cd is transported into grains through the whole plant body is necessary for reducing rice Cd concentrations to the lowest levels possible, to reduce the associated health risks. In this study, we have visualized and quantitatively analysed the real-time Cd dynamics from roots to grains in typical rice cultivars that differed in grain Cd concentrations. We used positron-emitting 107Cd tracer and an innovative imaging technique, the positron-emitting tracer imaging system (PETIS). In particular, a new method for direct and real-time visualization of the Cd uptake by the roots in the culture was first realized in this work.
resultsImaging and quantitative analyses revealed the different patterns in time-varying curves of Cd amounts in the roots of rice cultivars tested. Three low-Cd accumulating cultivars (japonica type) showed rapid saturation curves, whereas three high-Cd accumulating cultivars (indica type) were characterized by curves with a peak within 30 min after 107Cd supplementation, and a subsequent steep decrease resulting in maintenance of lower Cd concentrations in their roots. This difference in Cd dynamics may be attributable to OsHMA3 transporter protein, which was recently shown to be involved in Cd storage in root vacuoles and not functional in the high-Cd accumulating cultivars. Moreover, the PETIS analyses revealed that the high-Cd accumulating cultivars were characterized by rapid and abundant Cd transfer to the shoots from the roots, a faster transport velocity of Cd to the panicles, and Cd accumulation at high levels in their panicles, passing through the nodal portions of the stems where the highest Cd intensities were observed.
conclusionsThis is the first successful visualization and quantification of the differences in whole-body Cd transport from the roots to the grains of intact plants within rice cultivars that differ in grain Cd concentrations, by using PETIS, a real-time imaging method.
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