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The Arabidopsis thaliana salt tolerance gene SOS1 encodes a putative Na + /H + antiporter
Open accessAbstract
In Arabidopsis thaliana , the SOS1 ( S alt O verly S ensitive 1 ) locus is essential for Na + and K + homeostasis, and sos1 mutations render plants more sensitive to growth inhibition by high Na + and low K + environments. SOS1 is cloned and predicted to encode a 127-kDa protein with 12 transmembrane domains in the N-terminal part and a long hydrophilic cytoplasmic tail in the C-terminal part. The transmembrane region of SOS1 has significant sequence similarities to plasma membrane Na + /H + antiporters from bacteria and fungi. Sequence analysis of various sos1 mutant alleles reveals several residues and regions in the transmembrane as well as the tail parts that are critical for SOS1 function in plant salt tolerance. SOS1 gene expression in plants is up-regulated in response to NaCl stress. This up-regulation is abated in sos3 or sos2 mutant plants, suggesting that it is controlled by the SOS3/SOS2 regulatory pathway.
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Cites
The protein phosphatase calcineurin is essential for NaCl tolerance of Saccharomyces cerevisiae.
Mendoza, I., Rubio, F., Rodriguez-Navarro, A., & Pardo, J. M. (1994) · Journal of Biological Chemistry · doi:10.1016/s0021-9258(17)37038-2 · Cited by 350
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Self-citationGupta, B., & Huang, B. (2014) · International Journal of Genomics · doi:10.1155/2014/701596 · Cited by 2,105
Plants’ Response Mechanisms to Salinity Stress
Balasubramaniam, T., Shen, G., Esmaeili, N., & Zhang, H. (2023) · Plants · doi:10.3390/plants12122253 · Cited by 740
Yokoi, S., Quintero, F. J., Cubero, B., Ruiz, M. T., Bressan, R. A., Hasegawa, P. M., & Pardo, J. M. (2002) · The Plant Journal · doi:10.1046/j.1365-313x.2002.01309.x · Cited by 586
Characterization of Stress-Responsive CIPK Genes in Rice for Stress Tolerance Improvement
Xiang, Y., Huang, Y., & Xiong, L. (2007) · Plant Physiology · doi:10.1104/pp.107.101295 · Cited by 503
Metadata
- Authors
- Shi, H., Ishitani, M., Kim, C., & Zhu, J.-K.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 2000-05-23
- Volume
- 97
- Issue
- 12
- Pages
- 6896-6901
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2110627230
- Cited by
- 1,669
- References
- 1
- FWCI
- 61.02
- Type
- journal article
- Language
- en
- Open access
- green
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- Shi, H., Ishitani, M., Kim, C., & Zhu, J.-K. (2000). The Arabidopsis thaliana salt tolerance gene SOS1 encodes a putative Na + /H + antiporter. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.120170197
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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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