The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Phloem transport of arsenic species from flag leaf to grain during grain filling
Open accessAbstract
• Strategies to reduce arsenic (As) in rice grain, below concentrations that represent a serious human health concern, require that the mechanisms of As accumulation within grain be established. Therefore, retranslocation of As species from flag leaves into filling rice grain was investigated. • Arsenic species were delivered through cut flag leaves during grain fill. Spatial unloading within grains was investigated using synchrotron X-ray fluorescence (SXRF) microtomography. Additionally, the effect of germanic acid (a silicic acid analog) on grain As accumulation in arsenite-treated panicles was examined. • Dimethylarsinic acid (DMA) and monomethylarsonic acid (MMA) were extremely efficiently retranslocated from flag leaves to rice grain; arsenate was poorly retranslocated, and was rapidly reduced to arsenite within flag leaves; arsenite displayed no retranslocation. Within grains, DMA rapidly dispersed while MMA and inorganic As remained close to the entry point. Germanic acid addition did not affect grain As in arsenite-treated panicles. Three-dimensional SXRF microtomography gave further information on arsenite localization in the ovular vascular trace (OVT) of rice grains. • These results demonstrate that inorganic As is poorly remobilized, while organic species are readily remobilized, from leaves to grain. Stem translocation of inorganic As may not rely solely on silicic acid transporters.
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Zhao, F.-J., McGrath, S. P., & Meharg, A. A. (2010) · Annual Review of Plant Biology · doi:10.1146/annurev-arplant-042809-112152 · Cited by 1,246
Self-citation
Cited by
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Clemens, S., & Ma, J. F. (2016) · Annual Review of Plant Biology · doi:10.1146/annurev-arplant-043015-112301 · Cited by 1,155
Arsenic Toxicity: The Effects on Plant Metabolism
Finnegan, P. M., & Chen, W. (2012) · Frontiers in Physiology · doi:10.3389/fphys.2012.00182 · Cited by 849
Arsenic and cadmium accumulation in rice and mitigation strategies
Zhao, F.-J., & Wang, P. (2020) · Plant and Soil · doi:10.1007/s11104-019-04374-6 · Cited by 624
Methylated Arsenic Species in Rice: Geographical Variation, Origin, and Uptake Mechanisms
Zhao, F.-J., Zhu, Y.-G., & Meharg, A. A. (2013) · Environmental Science & Technology · doi:10.1021/es304295n · Cited by 353
Self-citationArsenic toxicity in plants: Cellular and molecular mechanisms of its transport and metabolism
Farooq, M. A., Islam, F., Ali, B., Najeeb, U., Mao, B., Gill, R. A., Yan, G., Siddique, K. H. M., & Zhou, W. (2016) · Environmental and Experimental Botany · doi:10.1016/j.envexpbot.2016.08.004 · Cited by 300
Metadata
- Authors
- Carey, A., Norton, G. J., Deacon, C., Scheckel, K. G., Lombi, E., Punshon, T., Guerinot, M. L., Lanzirotti, A., Newville, M., Choi, Y., Price, A. H., & Meharg, A. A.
- Venue
- New Phytologist
- Publisher
- Wiley
- Published
- 2011-06-10
- Volume
- 192
- Issue
- 1
- Pages
- 87-98
- ISSN
- 0028-646X (ISSN-L)
- 1469-8137
- OpenAlex
- W2145240878
- Cited by
- 196
- References
- 1
- FWCI
- 8.42
- Type
- journal article
- Language
- en
- Open access
- green
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- Carey, A., Norton, G. J., Deacon, C., Scheckel, K. G., Lombi, E., Punshon, T., Guerinot, M. L., Lanzirotti, A., Newville, M., Choi, Y., Price, A. H., & Meharg, A. A. (2011). Phloem transport of arsenic species from flag leaf to grain during grain filling. New Phytologist. https://doi.org/10.1111/j.1469-8137.2011.03789.x
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