The DOI matches its Crossref record; 17 of the 17 references it cites were found in a registry or an index.
The Role of EDTA in Lead Transport and Accumulation by Indian Mustard1
Open accessAbstract
Indian mustard (Brassica juncea) plants exposed to Pb and EDTA in hydroponic solution were able to accumulate up to 55 mmol kg−1 Pb in dry shoot tissue (1.1% [w/w]). This represents a 75-fold concentration of Pb in shoot tissue over that in solution. A threshold concentration of EDTA (0.25 mm) was found to be required to stimulate this dramatic accumulation of both Pb and EDTA in shoots. Below this threshold concentration, EDTA also accumulated in shoots but at a reduced rate. Direct measurement of a complex of Pb and EDTA (Pb-EDTA) in xylem exudate of Indian mustard confirmed that the majority of Pb in these plants is transported in coordination with EDTA. The accumulation of EDTA in shoot tissue was also observed to be directly correlated with the accumulation of Pb. Exposure of Indian mustard to high concentrations of Pb and EDTA caused reductions in both the transpiration rate and the shoot water content. The onset of these symptoms was correlated with the presence of free protonated EDTA (H-EDTA) in the hydroponic solution, suggesting that free H-EDTA is more phytotoxic than Pb-EDTA. These studies clearly demonstrate that coordination of Pb transport by EDTA enhances the mobility within the plants of this otherwise insoluble metal ion, allowing plants to accumulate high concentrations of Pb in shoots. The finding that both H-EDTA and Pb-EDTA are mobile within plants also has important implications for the use of metal chelates in plant nutritional research.
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Cites
Salt, D. E., Smith, R. D., & Raskin, I. (1998) · Annual Review of Plant Physiology and Plant Molecular Biology · doi:10.1146/annurev.arplant.49.1.643 · Cited by 2,085
Self-citationPhytoextraction: The Use of Plants To Remove Heavy Metals from Soils
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Self-citationEnhanced Accumulation of Pb in Indian Mustard by Soil-Applied Chelating Agents
Blaylock, M. J., Salt, D. E., Dushenkov, S., Zakharova, O., Gussman, C., Kapulnik, Y., Ensley, B. D., & Raskin, I. (1997) · Environmental Science & Technology · doi:10.1021/es960552a · Cited by 1,257
Self-citationMechanisms of Cadmium Mobility and Accumulation in Indian Mustard
Salt, D. E., Prince, R. C., Pickering, I. J., & Raskin, I. (1995) · Plant Physiology · doi:10.1104/pp.109.4.1427 · Cited by 1,023
Self-citationPhytoremediation of Lead-Contaminated Soils: Role of Synthetic Chelates in Lead Phytoextraction
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Plant uptake of inorganic waste constituents
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The Role of Metal Transport and Tolerance in Nickel Hyperaccumulation by Thlaspi goesingense Halacsy
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Self-citationLand Treatment of Hazardous Wastes
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Uptake of Copper by Excised Roots II. Copper Desorption from the Free Space
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Cited by
Sharma, P., & Dubey, R. S. (2005) · Brazilian Journal of Plant Physiology · doi:10.1590/s1677-04202005000100004 · Cited by 1,600
Hyperaccumulators of metal and metalloid trace elements: Facts and fiction
van der Ent, A., Baker, A. J. M., Reeves, R. D., Pollard, A. J., & Schat, H. (2013) · Plant and Soil · doi:10.1007/s11104-012-1287-3 · Cited by 1,448
A long way ahead: understanding and engineering plant metal accumulation
Clemens, S., Palmgren, M. G., & Krämer, U. (2002) · Trends in Plant Science · doi:10.1016/s1360-1385(02)02295-1 · Cited by 1,265
Challenges and opportunities in the phytoremediation of heavy metals contaminated soils: A review
Mahar, A., Wang, P., Ali, A., Awasthi, M. K., Lahori, A. H., Wang, Q., Li, R., & Zhang, Z. (2016) · Ecotoxicology and Environmental Safety · doi:10.1016/j.ecoenv.2015.12.023 · Cited by 1,203
A REVIEW ON PHYTOREMEDIATI ON OF HEAVY METALS AND UTILIZATION OF ITS BYPRODUCTS
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Metadata
- Authors
- Vassil, A. D., Kapulnik, Y., Raskin, I., & Salt, D. E.
- Venue
- Plant Physiology
- Publisher
- Oxford University Press (OUP)
- Published
- 1998-06-01
- Volume
- 117
- Issue
- 2
- Pages
- 447-453
- ISSN
- 0032-0889 (ISSN-L)
- 1532-2548
- OpenAlex
- W2140874481
- Cited by
- 440
- References
- 17
- FWCI
- 13.07
- Type
- journal article
- Language
- en
- Open access
- green
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