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Article

HKT1 mediates sodium uniport in roots. Pitfalls in the expression of HKT1 in yeast.

Plant physiology - 1 Nov 2005

Haro Rosario, Bañuelos María A, Senn María E, Barrero-Gil Javier, Rodríguez-Navarro Alonso

Abstract excerpt

The function of HKT1 in roots is controversial. We tackled this controversy by studying Na+ uptake in barley (Hordeum vulgare) roots, cloning the HvHKT1 gene, and expressing the HvHKT1 cDNA in yeast (Saccharomyces cerevisiae) cells. High-affinity Na+ uptake was not detected in plants growing at high K+ but appeared soon after exposing the plants to a K(+)-free medium. It was a uniport, insensitive to external K+...

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Identifiers

PMID: 16258014
DOI: 10.1104/pp.105.067553
PMCID: PMC1283784

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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