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The cloning of two Arabidopsis genes belonging to a phosphate transporter family
Abstract
Two genes, APT1 and APT2, with DNA sequences that exhibit significant sequence identity to yeast and fungal H+/orthophosphate co‐transporters, have been isolated from Arabidopsis thaliana. These genes are genetically linked and map to chromosome 5 between markers g4028 and m435. The genes encode almost identical 524 amino acid polypeptides and are predicted to contain 12 membrane‐spanning domains. Both APT1 and APT2 are predominantly expressed in A. thaliana root tissues. The level of expression of both genes in roots is regulated by the phosphorus status of the plant, being considerably enhanced when the plants were deprived of an external phosphate supply. The APT1 and APT2 polypeptides are likely to be associated with the membrane transport of phosphate within A. thaliana roots.
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Cited by
Phosphorus Uptake by Plants: From Soil to Cell
Schachtman, D. P., Reid, R. J., & Ayling, S. M. (1998) · Plant Physiology · doi:10.1104/pp.116.2.447 · Cited by 2,027
Raghothama, K. G., & Karthikeyan, A. S. (2005) · Plant and Soil · doi:10.1007/s11104-004-2005-6 · Cited by 1,640
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
Mudge, S. R., Rae, A. L., Diatloff, E., & Smith, F. W. (2002) · The Plant Journal · doi:10.1046/j.1365-313x.2002.01356.x · Cited by 537
Self-citationMolecular mechanisms of phosphate transport in plants
Rausch, C., & Bucher, M. (2002) · Planta · doi:10.1007/s00425-002-0921-3 · Cited by 522
Metadata
- Authors
- Smith, F. W., Ealing, P. M., Dong, B., & Delhaize, E.
- Venue
- The Plant Journal
- Publisher
- Wiley
- Published
- 1997-01
- Volume
- 11
- Issue
- 1
- Pages
- 83-92
- ISSN
- 0960-7412 (ISSN-L)
- 1365-313X
- OpenAlex
- W1973440550
- Cited by
- 170
- References
- 0
- FWCI
- 22.63
- Type
- journal article
- Language
- en
- Open access
- closed
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