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Overexpression of a Novel Arabidopsis Gene Related to Putative Zinc-Transporter Genes from Animals Can Lead to Enhanced Zinc Resistance and Accumulation
Open accessAbstract
We describe the isolation of an Arabidopsis gene that is closely related to the animalZnT genes (Zntransporter). The protein encoded by the ZAT (Zn transporter ofArabidopsisthaliana) gene has 398 amino acid residues and is predicted to have six membrane-spanning domains. To obtain evidence for the postulated function of the Arabidopsis gene, transgenic plants with the ZAT coding sequence under control of the cauliflower mosaic virus 35S promoter were analyzed. Plants obtained with ZAT in the sense orientation exhibited enhanced Zn resistance and strongly increased Zn content in the roots under high Zn exposure. Antisense mRNA-producing plants were viable, with a wild-type level of Zn resistance and content, like plants expressing a truncated coding sequence lacking the C-terminal cytoplasmic domain of the protein. The availability of ZAT can lead to a better understanding of the mechanism of Zn homeostasis and resistance in plants.
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Citations
Cited by
Molecular mechanisms of plant metal tolerance and homeostasis
Clemens, S. (2001) · Planta · doi:10.1007/s004250000458 · Cited by 1,417
Metal hyperaccumulation in plants
Krämer, U. (2010) · Annual Review of Plant Biology · doi:10.1146/annurev-arplant-042809-112156 · Cited by 1,284
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
Phylogenetic Relationships within Cation Transporter Families of Arabidopsis
Mäser, P., Thomine, S., Schroeder, J. I., Ward, J. M., Hirschi, K., Sze, H., Talke, I. N., Amtmann, A., Maathuis, F. J. M., Sanders, D., et al. (2001) · Plant Physiology · doi:10.1104/pp.126.4.1646 · Cited by 1,257
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
Metadata
- Authors
- van der Zaal, B. J., Neuteboom, L. W., Pinas, J. E., Chardonnens, A. N., Schat, H., Verkleij, J. A. C., & Hooykaas, P. J. J.
- Venue
- Plant Physiology
- Publisher
- Oxford University Press (OUP)
- Published
- 1999-03-01
- Volume
- 119
- Issue
- 3
- Pages
- 1047-1056
- ISSN
- 0032-0889 (ISSN-L)
- 1532-2548
- OpenAlex
- W2101261020
- Cited by
- 415
- References
- 0
- FWCI
- 23.48
- Type
- journal article
- Language
- en
- Open access
- bronze
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- CoChat. (2026). Citation check: Overexpression of a Novel Arabidopsis Gene Related to Putative Zinc-Transporter Genes from Animals Can Lead to Enhanced Zinc Resistance and Accumulation. https://app.cochat.ai/papers/10.1104/pp.119.3.1047
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- van der Zaal, B. J., Neuteboom, L. W., Pinas, J. E., Chardonnens, A. N., Schat, H., Verkleij, J. A. C., & Hooykaas, P. J. J. (1999). Overexpression of a Novel Arabidopsis Gene Related to Putative Zinc-Transporter Genes from Animals Can Lead to Enhanced Zinc Resistance and Accumulation. Plant Physiology. https://doi.org/10.1104/pp.119.3.1047
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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