ArticleJournal of experimental botany2015
The role of nodes in arsenic storage and distribution in rice.
Article in Journal of experimental botany, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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Who cites it
28 citing papers in PubMed, 106 citations in OpenAlex.
- Knocking out OsPht1;9-1;10 genes decreases arsenic accumulation in rice (Oryza sativa) grains.Communications biology · 2026Article
- Effects of environmental factors on arsenic accumulation in rice under field conditions using a Bayesian state space model.Scientific reports · 2025Article
- Harnessing polyploidy and nitric oxide for improved arsenic tolerance in Oryza sativa.BMC plant biology · 2025Article
- Stomata as the Main Pathway for the Penetration of Atmospheric Particulate Matter Pb into Wheat Leaves.Toxics · 2025Article
- Control strategies for rice "straighthead" through physicochemical and biological methods on arsenic transformation and transportation.Frontiers in plant science · 2025Review
- Article
- Review
- The Molecular Mechanism of the Response of Rice to Arsenic Stress and Effective Strategies to Reduce the Accumulation of Arsenic in Grain.International journal of molecular sciences · 2024Review
- Article
- The RUBY reporter enables efficient haploid identification in maize and tomato.Plant biotechnology journal · 2023Article
- Regulatory Mechanisms Underlying Arsenic Uptake, Transport, and Detoxification in Rice.International journal of molecular sciences · 2023Review
- Evaluation of quantitative synchrotron radiation micro-X-ray fluorescence in rice grain.Journal of synchrotron radiation · 2023Article
- VOZ1 and VOZ2 transcription factors regulate arsenic tolerance and distribution in rice and Arabidopsis.Frontiers in plant science · 2023Article
- The Relative Contributions of Different Wheat Leaves to the Grain Cadmium Accumulation.Toxics · 2022Article
- Genetic Approaches for Iron and Zinc Biofortification and Arsenic Decrease in Oryza sativa L. Grains.Biological trace element research · 2022Review
- Metalloid transporters and their regulation in plants.Plant physiology · 2021Review
- Dynamics of gene expression associated with arsenic uptake and transport in rice during the whole growth period.BMC plant biology · 2020Article
- Association Study Reveals Genetic Loci Responsible for Arsenic, Cadmium and Lead Accumulation in Rice Grain in Contaminated Farmlands.Frontiers in plant science · 2019Article
- Ideal Cereals With Lower Arsenic and Cadmium by Accurately Enhancing Vacuolar Sequestration Capacity.Frontiers in genetics · 2019Review
- Exogenous Glutathione Increases Arsenic Translocation Into Shoots and Alleviates Arsenic-Induced Oxidative Stress by Sustaining Ascorbate-Glutathione Homeostasis in Rice Seedlings.Frontiers in plant science · 2019Article
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Authors and funding
6 authors at 5 institutions in 3 countries.
Funding
Abstract
Knowledge of arsenic (As) accumulation in rice (Oryza sativa L.) is important for minimizing As transfer to the food chain. The aim of this study was to investigate the role of rice nodes in As storage and distribution. Synchrotron μX-ray fluorescence (μ-XRF) was used to map As distribution in the top node and internode of a lsi2 mutant defective in silicon/arsenite efflux carrier and its wild-type (WT) grown in soil. Lsi2 expression in different tissues during grain filling was investigated by quantitative RT-PCR. Arsenite or dimethylarsinic acid (DMA) was supplied to excised panicles to investigate the roles of Lsi2 and phytochelatins (PC) in As distribution. μ-XRF mapping revealed As storage in the phloem of different vascular bundles in the top node and internode. Soil-grown plants of lsi2 had markedly decreased As accumulation in the phloem compared with the WT. Lsi2 was strongly expressed, not only in the roots but also in the nodes. When excised panicles were exposed to As(III), the lsi2 mutant distributed more As to the node and flag leaf but less As to the grain compared with the WT, while there was no significant difference in DMA distribution. Inhibition of PC synthesis by l-buthionine-sulphoximine decreased As(III) deposition in the top node but increased As accumulation in the grain and flag leaf. The results suggest that rice nodes serve as a filter restricting As(III) distribution to the grain. Furthermore, Lsi2 plays a role in As(III) distribution in rice nodes and phytochelatins are important compounds for As(III) storage in the nodes.
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Registered trials
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