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Phosphate transport in Arabidopsis: Pht1;1 and Pht1;4 play a major role in phosphate acquisition from both low‐ and high‐phosphate environments
Open accessAbstract
Summary: Of the mineral nutrients essential for plant growth, phosphorus plays the widest diversity of roles and a lack of phosphorus has profound effects on cellular metabolism. At least eight members of the Arabidopsis Pht1 phosphate (Pi) transporter family are expressed in roots and Pht1;1 and Pht1;4 show the highest transcript levels. The spatial and temporal expression patterns of these two genes show extensive overlap. To elucidate the in planta roles of Pht1;1 and Pht1;4, we identified loss‐of‐function mutants and also created a double mutant, lacking both Pht1;1 and Pht1;4. Consistent with their spatial expression patterns, membrane location and designation as high‐affinity Pi transporters, Pht1;1 and Pht1;4 contribute to Pi transport in roots during growth under low‐Pi conditions. In addition, during growth under high‐Pi conditions, the double mutant shows a 75% reduction in Pi uptake capacity relative to wildtype. Thus, Pht1;1 and Pht1;4 play significant roles in Pi acquisition from both low‐ and high‐Pi environments.
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Cites
Pao, S. S., Paulsen, I. T., & Saier, M. H. (1998) · Microbiology and Molecular Biology Reviews · doi:10.1128/mmbr.62.1.1-34.1998 · Cited by 2,297
Cited by
White, P. J., & Broadley, M. R. (2009) · New Phytologist · doi:10.1111/j.1469-8137.2008.02738.x · Cited by 2,178
Raghothama, K. G., & Karthikeyan, A. S. (2005) · Plant and Soil · doi:10.1007/s11104-004-2005-6 · Cited by 1,640
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
Arsenic uptake and metabolism in plants
Zhao, F. J., Ma, J. F., Meharg, A. A., & McGrath, S. P. (2009) · New Phytologist · doi:10.1111/j.1469-8137.2008.02716.x · Cited by 1,185
Functional biology of plant phosphate uptake at root and mycorrhiza interfaces
Bucher, M. (2007) · New Phytologist · doi:10.1111/j.1469-8137.2006.01935.x · Cited by 718
Metadata
- Authors
- Shin, H., Shin, H., Dewbre, G. R., & Harrison, M. J.
- Venue
- The Plant Journal
- Publisher
- Wiley
- Published
- 2004-07-09
- Volume
- 39
- Issue
- 4
- Pages
- 629-642
- ISSN
- 0960-7412 (ISSN-L)
- 1365-313X
- OpenAlex
- W2034376215
- Cited by
- 810
- References
- 1
- FWCI
- 15.74
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Shin, H., Shin, H., Dewbre, G. R., & Harrison, M. J. (2004). Phosphate transport in Arabidopsis: Pht1;1 and Pht1;4 play a major role in phosphate acquisition from both low‐ and high‐phosphate environments. The Plant Journal. https://doi.org/10.1111/j.1365-313x.2004.02161.x
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
