ArticlePlant physiology1997
Reduced Na+ uptake in the NaCl-hypersensitive sos1 mutant of Arabidopsis thaliana.
Article in Plant physiology, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed, 71 citations in OpenAlex.
- Cytosolic Sodium Influx in Mesophyll Protoplasts ofPlants (Basel, Switzerland) · 2022Article
- The sweet sorghum SbWRKY50 is negatively involved in salt response by regulating ion homeostasis.Plant molecular biology · 2020Article
- Membrane fluxes, bypass flows, and sodium stress in rice: the influence of silicon.Journal of experimental botany · 2018Article
- Genetic Components of Root Architecture Remodeling in Response to Salt Stress.The Plant cell · 2017Article
- Measurement of Differential Na(+) Efflux from Apical and Bulk Root Zones of Intact Barley and Arabidopsis Plants.Frontiers in plant science · 2016Article
- Sodium transport system in plant cells.Frontiers in plant science · 2013Review
- Morphological, physiological, and structural responses of two species of artemisia to NaCl stress.TheScientificWorldJournal · 2013Article
- Cloning of two SOS1 transporters from the seagrass Cymodocea nodosa. SOS1 transporters from Cymodocea and Arabidopsis mediate potassium uptake in bacteria.Plant molecular biology · 2007Article
- Protection of plasma membrane K+ transport by the salt overly sensitive1 Na+-H+ antiporter during salinity stress.Plant physiology · 2004Article
- Binding of sulfonylurea by AtMRP5, an Arabidopsis multidrug resistance-related protein that functions in salt tolerance.Plant physiology · 2004Article
- Sodium influx and accumulation in Arabidopsis.Plant physiology · 2003Article
- Na+ tolerance and Na+ transport in higher plants.Annals of botany · 2003Review
- The putative plasma membrane Na(+)/H(+) antiporter SOS1 controls long-distance Na(+) transport in plants.The Plant cell · 2002Article
- Characterisation of two distinct HKT1-like potassium transporters from Eucalyptus camaldulensis.Plant molecular biology · 2000Article
- The Arabidopsis thaliana salt tolerance gene SOS1 encodes a putative Na+/H+ antiporter.Proceedings of the National Academy of Sciences of the United States of America · 2000Article
- Enhancement of Na(+) uptake currents, time-dependent inward-rectifying K(+) channel currents, and K(+) channel transcripts by K(+) starvation in wheat root cells.Plant physiology · 2000Article
- A recessive Arabidopsis mutant that grows photoautotrophically under salt stress shows enhanced active oxygen detoxification.The Plant cell · 1999Article
- Proteins for transport of water and mineral nutrients across the membranes of plant cells.The Plant cell · 1999Review
- Genetic analysis of salt tolerance in arabidopsis. Evidence for a critical role of potassium nutrition.The Plant cell · 1998Article
- AtKUP1: an Arabidopsis gene encoding high-affinity potassium transport activity.The Plant cell · 1998Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Sos1 is an Arabidopsis thaliana mutant with > 20 times higher sensitivity toward Na+ inhibition due to a defective high-affinity potassium-uptake system. We report here that sos1 accumulates less Na+ than the wild type in response to NaCl stress. The Na+ contents in sos1 seedlings exposed to 25 mM NaCl for 2 or more d are about 43% lower than those in the wild type. When assayed at 20 mM external NaCl, sos1 seedlings pretreated with low potassium have 32% lower Na+ uptake than the wild type. However, little difference in Na+ uptake could be measured when the seedlings were not pretreated with low potassium. Low-potassium treatment was shown to induce high-affinity potassium-uptake activity in Arabidopsis seedlings. No substantial difference in Na+ efflux between sos1 and the wild type was detected. The results show that the reduced Na+ accumulation in sos1 is due to a lower Na+ influx rate. Therefore, the sos1 mutation appears to disrupt low-affinity Na+ uptake in addition to its impairment of high-affinity K+ uptake.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.