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Engineering high-level aluminum tolerance in barley with the ALMT1 gene
Open accessAbstract
Acidity is a serious limitation to plant production on many of the world's agricultural soils. Toxic aluminium (Al) cations solubilized by the acidity rapidly inhibit root growth and limit subsequent uptake of water and nutrients. Recent work has shown that the ALMT1 gene of wheat ( Triticum aestivum ) encodes a malate transporter that is associated with malate efflux and Al tolerance. We generated transgenic barley ( Hordeum vulgare ) plants expressing ALMT1 and assessed their ability to exude malate and withstand Al stress. ALMT1 expression in barley conferred an Al-activated efflux of malate with properties similar to those of Al-tolerant wheat. The transgenic barley showed a high level of Al tolerance when grown in both hydroponic culture and on acid soils. These findings provide additional evidence that ALMT1 is a major Al-tolerance gene and demonstrate its ability to confer effective tolerance to acid soils through a transgenic approach in an important crop species.
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Cited by
Kang, J., Park, J., Choi, H., Burla, B., Kretzschmar, T., Lee, Y., & Martinoia, E. (2011) · The Arabidopsis Book · doi:10.1199/tab.0153 · Cited by 573
Aluminum, a Friend or Foe of Higher Plants in Acid Soils
Bojórquez-Quintal, E., Escalante-Magaña, C., Echevarría-Machado, I., & Martínez-Estévez, M. (2017) · Frontiers in Plant Science · doi:10.3389/fpls.2017.01767 · Cited by 544
Liming impacts on soils, crops and biodiversity in the UK: a review
Holland, J. E., Bennett, A. E., Newton, A. C., White, P. J., McKenzie, B. M., George, T. S., Pakeman, R. J., Bailey, J. S., Fornara, D. A., & Hayes, R. C. (2018) · Science of The Total Environment · doi:10.1016/j.scitotenv.2017.08.020 · Cited by 532
Plant mechanisms to optimise access to soil phosphorus
Richardson, A. E., Hocking, P. J., Simpson, R. J., & George, T. S. (2009) · Crop & Pasture Science · doi:10.1071/cp07125 · Cited by 489
Emerging trends in the functional genomics of the abiotic stress response in crop plants
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Metadata
- Authors
- Delhaize, E., Ryan, P. R., Hebb, D. M., Yamamoto, Y., Sasaki, T., & Matsumoto, H.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 2004-10-07
- Volume
- 101
- Issue
- 42
- Pages
- 15249-15254
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2064476431
- Cited by
- 404
- References
- 0
- FWCI
- 29.62
- Type
- journal article
- Language
- en
- Open access
- green
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- Delhaize, E., Ryan, P. R., Hebb, D. M., Yamamoto, Y., Sasaki, T., & Matsumoto, H. (2004). Engineering high-level aluminum tolerance in barley with the ALMT1 gene. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.0406258101
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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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