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Functional conservation between yeast and plant endosomal Na+/H+ antiporters1
Open accessAbstract
Vacuolar compartmentation of Na+ is an essential mechanism for salinity tolerance since it lowers cytosolic Na+ levels while contributing to osmotic adjustment for cell turgor and expansion. The AtNHX1 protein of Arabidopsis thaliana substituted functionally for ScNHX1, the endosomal Na+/H+ antiporter of yeast. Ion tolerance conferred by AtNHX1 and ScNHX1 correlated with ion uptake into an intracellular pool that was energetically dependent on the vacuolar (H+)ATPase. AtNHX1 localized to vacuolar membrane fractions of yeast. Hence, both transporters share an evolutionarily conserved function in Na+ compartmentation. AtNHX1 mRNA levels were upregulated by ABA and NaCl treatment in leaf but not in root tissue.
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Citations
Cited by
Shi, H., Quintero, F. J., Pardo, J. M., & Zhu, J.-K. (2002) · The Plant Cell · doi:10.1105/tpc.010371 · Cited by 1,295
Self-citationPhylogenetic 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
Barragán, V., Leidi, E. O., Andrés, Z., Rubio, L., De Luca, A., Fernández, J. A., Cubero, B., & Pardo, J. M. (2012) · The Plant Cell · doi:10.1105/tpc.111.095273 · Cited by 630
Self-citationConservation of the Salt Overly Sensitive Pathway in Rice
Martínez-Atienza, J., Jiang, X., Garciadeblas, B., Mendoza, I., Zhu, J.-K., Pardo, J. M., & Quintero, F. J. (2007) · Plant Physiology · doi:10.1104/pp.106.092635 · Cited by 630
Self-citationYokoi, 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
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Metadata
- Authors
- Quintero, F. J., Blatt, M. R., & Pardo, J. M.
- Venue
- FEBS Letters
- Publisher
- Wiley
- Published
- 2000-04-10
- Volume
- 471
- Issue
- 2-3
- Pages
- 224-228
- ISSN
- 0014-5793 (ISSN-L)
- 1873-3468
- OpenAlex
- W1603658332
- Cited by
- 176
- References
- 0
- FWCI
- 15.25
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Quintero, F. J., Blatt, M. R., & Pardo, J. M. (2000). Functional conservation between yeast and plant endosomal Na+/H+ antiporters1. FEBS Letters. https://doi.org/10.1016/s0014-5793(00)01412-5
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