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Functional analysis of AtHKT1 in Arabidopsis shows that Na+ recirculation by the phloem is crucial for salt tolerance
Two allelic recessive mutations of Arabidopsis, sas2‐1 and sas2‐2, were identified as inducing sodium overaccumulation in shoots. The sas2 locus was found (by positional cloning) to correspond to theExpand
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Identification and Disruption of a Plant Shaker-like Outward Channel Involved in K+ Release into the Xylem Sap
SKOR, a K+ channel identified in Arabidopsis, displays the typical hydrophobic core of the Shaker channel superfamily, a cyclic nucleotide-binding domain, and an ankyrin domain. Expression in XenopusExpand
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Cloning and expression in yeast of a plant potassium ion transport system.
A membrane polypeptide involved in K+ transport in a higher plant was cloned by complementation of a yeast mutant defective in K+ uptake with a complementary DNA library from Arabidopsis thaliana. AExpand
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pH and Ionic Conditions in the Apoplast
IONIC PROPERTIES OF THE APOPLAST . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . 104 The Apoplast as an Ion Exchanger . . ......... 104 TheExpand
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The Arabidopsis outward K+ channel GORK is involved in regulation of stomatal movements and plant transpiration
Microscopic pores present in the epidermis of plant aerial organs, called stomata, allow gas exchanges between the inner photosynthetic tissue and the atmosphere. Regulation of stomatal aperture,Expand
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Nomenclature for HKT transporters, key determinants of plant salinity tolerance.
Salinity tolerance in many plants is inversely related to the extent of Na+ accumulation in the shoot, notably in the major cereals such as wheat and rice [1]. In Arabidopsis and rice, there isExpand
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Molecular mechanisms and regulation of K+ transport in higher plants.
Potassium (K+) plays a number of important roles in plant growth and development. Over the past few years, molecular approaches associated with electrophysiological analyses have greatly advanced ourExpand
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Regulated expression of Arabidopsis Shaker K+ channel genes involved in K+ uptake and distribution in the plant
Potassium is the most abundant cation in the cytosol, where it plays a role in basal functions. Rapid uptake and distribution of K+ is therefore required for plant growth. Three members of theExpand
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In Vivo Intracellular pH Measurements in Tobacco and Arabidopsis Reveal an Unexpected pH Gradient in the Endomembrane System[W]
This work combines biochemistry and live-cell imaging to perform in vivo pH measurements of different compartments of the endomembrane system in plant cells. It reports that the prevacuolarExpand
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K+ channel activity in plants: Genes, regulations and functions
Potassium (K+) is the most abundant cation in the cytosol, and plant growth requires that large amounts of K+ are transported from the soil to the growing organs. K+ uptake and fluxes within theExpand
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