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Article

NRT1.5/NPF7.3 Functions as a Proton-Coupled H+/K+ Antiporter for K+ Loading into the Xylem in Arabidopsis.

The Plant cell - 1 Aug 2017

Li Hong, Yu Miao, Du Xin-Qiao, Wang Zhi-Fang, Wu Wei-Hua, Quintero Francisco J, Jin Xue-Hua, Li Hao-Dong, Wang Yi

Abstract excerpt

Potassium and nitrogen are essential macronutrients for plant growth and have a positive impact on crop yield. Previous studies have indicated that the absorption and translocation of K+ and NO3- are correlated with each other in plants; however, the molecular mechanism that coordinates K+ and NO3- transport remains unknown. In this study, using a forward genetic approach, we isolated a low-K+-sensitive...

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Identifiers

PMID: 28739644
DOI: 10.1105/tpc.16.00972
PMCID: PMC5590498

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Source receipt: pubmed, retrieved 7 Sept 2026.

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NRT1.5/NPF7.3 Functions as a Proton-Coupled H+/K+ Antiporter for K+ Loading into the Xylem in Arabidopsis.PMID 28739644Read ↗

The Arabidopsis nitrate transporter NPF7.3/NRT1.5 is involved in lateral root development under potassium deprivation.Semantic proximity Read ↗

Nitrate-Dependent Control of Shoot K Homeostasis by the Nitrate Transporter1/Peptide Transporter Family Member NPF7.3/NRT1.5 and the Stelar K+ Outward Rectifier SKOR in Arabidopsis.Semantic proximity Read ↗

Transporter NRT1.5/NPF7.3 suppresses primary root growth under low K+ stress by regulating the degradation of PIN-FORMED2.Semantic proximity Read ↗

The K+ and NO3 - Interaction Mediated by NITRATE TRANSPORTER1.1 Ensures Better Plant Growth under K+-Limiting Conditions.Semantic proximity Read ↗

Arabidopsis NRT1.5 is another essential component in the regulation of nitrate reallocation and stress tolerance.Semantic proximity Read ↗

Mutation of the Arabidopsis NRT1.5 nitrate transporter causes defective root-to-shoot nitrate transport.Semantic proximity Read ↗

AtNHX3 is a vacuolar K+/H+ antiporter required for low-potassium tolerance in Arabidopsis thaliana.Semantic proximity Read ↗

Dual regulation of root hydraulic conductivity and plasma membrane aquaporins by plant nitrate accumulation and high-affinity nitrate transporter NRT2.1.Semantic proximity Read ↗

Potassium Transporter KUP7 Is Involved in K(+) Acquisition and Translocation in Arabidopsis Root under K(+)-Limited Conditions.Semantic proximity Read ↗

STOP1 Regulates LKS1 Transcription and Coordinates K+/NH4+ Balance in Arabidopsis Response to Low-K+ Stress.Semantic proximity Read ↗

A reevaluation of the role of Arabidopsis NRT1.1 in high-affinity nitrate transport.Semantic proximity Read ↗

The Arabidopsis protein NPF6.2/NRT1.4 is a plasma membrane nitrate transporter and a target of protein kinase CIPK23.Semantic proximity Read ↗

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