ArticlePlant molecular biology2000
Characterisation of two distinct HKT1-like potassium transporters from Eucalyptus camaldulensis.
Article in Plant molecular biology, 2000. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 39 papers.
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Who cites it
39 citing papers in PubMed, 120 citations in OpenAlex.
- The origin and evolution of HKT proteins with TrkH domain from aquatic plants to flowering plants.Horticulture research · 2025Article
- Comparative analysis of HKT genes inFrontiers in plant science · 2025Article
- Aquaporin ion conductance properties defined by membrane environment, protein structure, and cell physiology.Biophysical reviews · 2022Review
- HKT sodium and potassium transporters in Arabidopsis thaliana and related halophyte species.Physiologia plantarum · 2021Review
- Plant HKT Channels: An Updated View on Structure, Function and Gene Regulation.International journal of molecular sciences · 2021Review
- A DNA Methylation Reader-Chaperone Regulator-Transcription Factor Complex ActivatesThe Plant cell · 2020Article
- Article
- Coordinated Transport of Nitrate, Potassium, and Sodium.Frontiers in plant science · 2020Review
- Overexpressing the HD-Zip class II transcription factor EcHB1 from Eucalyptus camaldulensis increased the leaf photosynthesis and drought tolerance of Eucalyptus.Scientific reports · 2019Article
- Review
- Genome-wide identification of the HKT genes in five Rosaceae species and expression analysis of HKT genes in response to salt-stress in Fragaria vesca.Genes & genomics · 2019Article
- Role and Functional Differences of HKT1-Type Transporters in Plants under Salt Stress.International journal of molecular sciences · 2019Review
- Distinct leaf transcriptomic response of water deficient Eucalyptus grandis submitted to potassium and sodium fertilization.PloS one · 2019Article
- Overexpression ofGenes · 2018Article
- Structural variations in wheat HKT1;5 underpin differences in NaCellular and molecular life sciences : CMLS · 2018Article
- The High-Affinity Potassium Transporter EpHKT1;2 From the ExtremophileFrontiers in plant science · 2018Article
- Differential selection of sodium and potassium ions by TsHKT1;2.Plant signaling & behavior · 2016Article
- Model of Cation Transportation Mediated by High-Affinity Potassium Transporters (HKTs) in Higher Plants.Biological procedures online · 2015Article
- Article
- Assessment of natural variation in the first pore domain of the tomato HKT1;2 transporter and characterization of mutated versions of SlHKT1;2 expressed in Xenopus laevis oocytes and via complementation of the salt sensitive athkt1;1 mutant.Frontiers in plant science · 2014Article
Corrections and comments
- Erratum issued
Authors and funding
6 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Potassium is an essential macronutrient in higher plants. It plays an important physiological role in stoma movements, osmoregulation, enzyme activation and cell expansion. The demand for potassium can be substantial, especially when the plant concerned is a Eucalyptus tree in excess of 50 m tall. We have isolated two cDNAs, EcHKT1 and EcHKT2, from Eucalyptus camaldulensis (river red gum) which are expressed in leaves, stems and roots. These encode potassium transporter polypeptides with homology to the wheat K+-Na+ symporter, HKT1. EcHKT1 and EcHKT2 both complemented the K+-limited growth of an Escherichia coli K+-uptake-deficient triple mutant. EcHKT1 and EcHKT2 also mediated Na+ and K+ uptake when expressed in Xenopus oocytes. A comparison of the EcHKT1 and EcHKT2 sequences and their transport properties indicated that these cDNAs represent two K+ transporters with distinct functional characteristics. The functional and structural conservation between these two E. camaldulensis genes and the wheat HKT1 suggests that they play an important, albeit elusive, physiological role.
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