The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.
Influence of Iron Status on Cadmium and Zinc Uptake by Different Ecotypes of the Hyperaccumulator Thlaspi caerulescens
Open accessAbstract
We have previously identified an ecotype of the hyperaccumulator Thlaspi caerulescens (Ganges), which is far superior to other ecotypes (including Prayon) in Cd uptake. In this study, we investigated the effect of Fe status on the uptake of Cd and Zn in the Ganges and Prayon ecotypes, and the kinetics of Cd and Zn influx using radioisotopes. Furthermore, the T. caerulescens ZIP (Zn-regulated transporter/Fe-regulated transporter-like protein) genes TcZNT1-G andTcIRT1-G were cloned from the Ganges ecotype and their expression under Fe-sufficient and -deficient conditions was analyzed. Both short- and long-term studies revealed that Cd uptake was significantly enhanced by Fe deficiency only in the Ganges ecotype. The concentration-dependent kinetics of Cd influx showed that theV max of Cd was 3 times greater in Fe-deficient Ganges plants compared with Fe-sufficient plants. In Prayon, Fe deficiency did not induce a significant increase inV max for Cd. Zn uptake was not influenced by the Fe status of the plants in either of the ecotypes. These results are in agreement with the gene expression study. The abundance ofZNT1-G mRNA was similar between the Fe treatments and between the two ecotypes. In contrast, abundance of theTcIRT1-G mRNA was greatly increased only in Ganges root tissue under Fe-deficient conditions. The present results indicate that the stimulatory effect of Fe deficiency on Cd uptake in Ganges may be related to an up-regulation in the expression of genes encoding for Fe2+ uptake, possibly TcIRT1-G.
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Cites
The ZIP family of metal transporters
Guerinot, M. L. (2000) · Biochimica et Biophysica Acta (BBA) - Biomembranes · doi:10.1016/s0005-2736(00)00138-3 · Cited by 1,200
The molecular physiology of heavy metal transport in the Zn/Cd hyperaccumulator Thlaspi caerulescens
Pence, N. S., Larsen, P. B., Ebbs, S. D., Letham, D. L. D., Lasat, M. M., Garvin, D. F., Eide, D., & Kochian, L. V. (2000) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.97.9.4956 · Cited by 748
Assunção, A. G. L., Martins, P. D. C., De Folter, S., Vooijs, R., Schat, H., & Aarts, M. G. M. (2001) · Plant, Cell & Environment · doi:10.1111/j.1365-3040.2001.00666.x · Cited by 350
SHEN, Z. G., ZHAO, F. J., & McGRATH, S. P. (1997) · Plant, Cell & Environment · doi:10.1046/j.1365-3040.1997.d01-134.x · Cited by 278
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Cited by
Metal hyperaccumulation in plants
Krämer, U. (2010) · Annual Review of Plant Biology · doi:10.1146/annurev-arplant-042809-112156 · Cited by 1,284
Root responses to cadmium in the rhizosphere: a review
Lux, A., Martinka, M., Vaculik, M., & White, P. J. (2011) · Journal of Experimental Botany · doi:10.1093/jxb/erq281 · Cited by 1,100
The biochemistry of environmental heavy metal uptake by plants: implications for the food chain.
Peralta-Videa, J. R., Lopez, M. L., Narayan, M., Saupe, G., & Gardea-Torresdey, J. (2009) · The International Journal of Biochemistry & Cell Biology · doi:10.1016/j.biocel.2009.03.005 · Cited by 926
van de Mortel, J. E., Almar Villanueva, L., Schat, H., Kwekkeboom, J., Coughlan, S., Moerland, P. D., Ver Loren van Themaat, E., Koornneef, M., & Aarts, M. G. M. (2006) · Plant Physiology · doi:10.1104/pp.106.082073 · Cited by 547
Metal tolerance and hyperaccumulation: Costs and trade-offs between traits and environment
Maestri, E., Marmiroli, M., Visioli, G., & Marmiroli, N. (2010) · Environmental and Experimental Botany · doi:10.1016/j.envexpbot.2009.10.011 · Cited by 538
Metadata
- Authors
- Lombi, E., Tearall, K. L., Howarth, J. R., Zhao, F.-J., Hawkesford, M. J., & McGrath, S. P.
- Venue
- Plant Physiology
- Publisher
- Oxford University Press (OUP)
- Published
- 2002-04-01
- Volume
- 128
- Issue
- 4
- Pages
- 1359-1367
- ISSN
- 0032-0889 (ISSN-L)
- 1532-2548
- OpenAlex
- W2101808340
- Cited by
- 312
- References
- 4
- FWCI
- 19.22
- Type
- journal article
- Language
- en
- Open access
- bronze
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