The DOI matches its Crossref record; 49 of the 49 references it cites were found in a registry or an index.
AtHKT1 Facilitates Na+ Homeostasis and K+ Nutrition in Planta
Open accessAbstract
Genetic and physiological data establish that Arabidopsis AtHKT1 facilitates Na+ homeostasis in planta and by this function modulates K+ nutrient status. Mutations that disrupt AtHKT1 function suppress NaCl sensitivity of sos1-1 and sos2-2, as well as of sos3-1 seedlings grown in vitro and plants grown in controlled environmental conditions. hkt1 suppression of sos3-1 NaCl sensitivity is linked to higher Na+ content in the shoot and lower content of the ion in the root, reducing the Na+ imbalance between these organs that is caused by sos3-1. AtHKT1 transgene expression, driven by its innate promoter, increases NaCl but not LiCl or KCl sensitivity of wild-type (Col-0 gl1) or of sos3-1 seedlings. NaCl sensitivity induced by AtHKT1 transgene expression is linked to a lower K+ to Na+ ratio in the root. However, hkt1 mutations increase NaCl sensitivity of both seedlings in vitro and plants grown in controlled environmental conditions, which is correlated with a lower K+ to Na+ ratio in the shoot. These results establish that AtHKT1 is a focal determinant of Na+ homeostasis in planta, as either positive or negative modulation of its function disturbs ion status that is manifested as salt sensitivity. K+-deficient growth of sos1-1, sos2-2, and sos3-1 seedlings is suppressed completely by hkt1-1. AtHKT1 transgene expression exacerbates K+ deficiency of sos3-1 or wild-type seedlings. Together, these results indicate that AtHKT1 controls Na+ homeostasis in planta and through this function regulates K+ nutrient status.
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Cites
Comparative physiology of salt and water stress
Munns, R. (2002) · Plant, Cell & Environment · doi:10.1046/j.0016-8025.2001.00808.x · Cited by 6,331
S ALT AND D ROUGHT S TRESS S IGNAL T RANSDUCTION IN P LANTS
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Self-citationP LANT C ELLULAR AND M OLECULAR R ESPONSES TO H IGH S ALINITY
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Self-citationNa+ Tolerance and Na+ Transport in Higher Plants
TESTER, M. (2003) · Annals of Botany · doi:10.1093/aob/mcg058 · Cited by 3,250
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Zhu, J.-K. (2003) · Current Opinion in Plant Biology · doi:10.1016/s1369-5266(03)00085-2 · Cited by 2,057
Self-citationSalt Tolerance Conferred by Overexpression of a Vacuolar Na + /H + Antiport in Arabidopsis
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The Arabidopsis thaliana salt tolerance gene SOS1 encodes a putative Na + /H + antiporter
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Self-citationShi, H., Quintero, F. J., Pardo, J. M., & Zhu, J.-K. (2002) · The Plant Cell · doi:10.1105/tpc.010371 · Cited by 1,295
Self-citationRegulation of SOS1, a plasma membrane Na + /H + exchanger in Arabidopsis thaliana , by SOS2 and SOS3
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Self-citationTransgenic salt-tolerant tomato plants accumulate salt in foliage but not in fruit
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Cited by
Mechanisms of Salinity Tolerance
Munns, R., & Tester, M. (2008) · Annual Review of Plant Biology · doi:10.1146/annurev.arplant.59.032607.092911 · Cited by 13,792
Roy, S. J., Negrão, S., & Tester, M. (2014) · Current Opinion in Biotechnology · doi:10.1016/j.copbio.2013.12.004 · Cited by 1,163
Møller, I. S., Gilliham, M., Jha, D., Mayo, G. M., Roy, S. J., Coates, J. C., Haseloff, J., & Tester, M. (2009) · The Plant Cell · doi:10.1105/tpc.108.064568 · Cited by 561
Atta, K., Mondal, S., Gorai, S., Singh, A. P., Kumari, A., Ghosh, T., Roy, A., Hembram, S., Gaikwad, D. J., Mondal, S., et al. (2023) · Frontiers in Plant Science · doi:10.3389/fpls.2023.1241736 · Cited by 523
High-affinity potassium and sodium transport systems in plants
Rodríguez-Navarro, A., & Rubio, F. (2006) · Journal of Experimental Botany · doi:10.1093/jxb/erj068 · Cited by 359
Metadata
- Authors
- Rus, A., Lee, B.-H., Muñoz-Mayor, A., Sharkhuu, A., Miura, K., Zhu, J.-K., Bressan, R. A., & Hasegawa, P. M.
- Venue
- Plant Physiology
- Publisher
- Oxford University Press (OUP)
- Published
- 2004-09-01
- Volume
- 136
- Issue
- 1
- Pages
- 2500-2511
- ISSN
- 0032-0889 (ISSN-L)
- 1532-2548
- OpenAlex
- W2071032257
- Cited by
- 353
- References
- 49
- FWCI
- 17.24
- Type
- journal article
- Language
- en
- Open access
- green
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