ArticleThe Plant cell2011
Rice two-pore K+ channels are expressed in different types of vacuoles.
Article in The Plant cell, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.
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Who cites it
41 citing papers in PubMed, 101 citations in OpenAlex.
- Regulatory networks and molecular mechanisms underlying salt stress tolerance in rice.Frontiers in plant science · 2026Review
- Vacuolar K⁺ efflux transporter TaTPK1-5D confers low-K⁺ tolerance of 'Zhengmai 136' through interaction with TaCIPK23-4D in bread wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- The 14-3-3 protein nt GF14e interacts with CIPK2 and increases low potassium stress in tobacco.Plant signaling & behavior · 2024Article
- Poaceae plants transfer cyclobutane pyrimidine dimer photolyase to chloroplasts for ultraviolet-B resistance.Plant physiology · 2024Article
- Investigation of two-pore KHeliyon · 2024Article
- The Molecular Mechanism of Potassium Absorption, Transport, and Utilization in Rice.International journal of molecular sciences · 2023Review
- Review
- Molecular mechanisms of endomembrane trafficking in plants.The Plant cell · 2022Review
- Computational analysis and expression profiling of potassium transport-related gene families in mango (Frontiers in plant science · 2022Article
- Functional genomic analysis of KFrontiers in plant science · 2022Article
- Genome-Wide Identification and Expression Profiling of Potassium Transport-Related Genes inPlants (Basel, Switzerland) · 2021Article
- New Insights into Plant TPK Ion Channel Evolution.Plants (Basel, Switzerland) · 2021Article
- Genome-Wide Identification, Genomic Organization, and Characterization of Potassium Transport-Related Genes inPlants (Basel, Switzerland) · 2021Article
- Recent Advances in Genome-wide Analyses of Plant Potassium Transporter Families.Current genomics · 2021Review
- Mapping of novel salt tolerance QTL in an Excalibur × Kukri doubled haploid wheat population.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2018Article
- Transcriptomic analysis reveals vacuolar NaBMC plant biology · 2018Article
- The potassium channel FaTPK1 plays a critical role in fruit quality formation in strawberry (Fragaria × ananassa).Plant biotechnology journal · 2018Article
- Genome-wide identification and comparative analysis of the cation proton antiporters family in pear and four other Rosaceae species.Molecular genetics and genomics : MGG · 2016Article
- Knock-Down of a Tonoplast Localized Low-Affinity Nitrate TransporterFrontiers in plant science · 2016Article
- Disruption of OsEXO70A1 Causes Irregular Vascular Bundles and Perturbs Mineral Nutrient Assimilation in Rice.Scientific reports · 2015Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
Potassium (K+) is a major nutrient for plant growth and development. Vacuolar K+ ion channels of the two-pore K+ (TPK) family play an important role in maintaining K+ homeostasis. Several TPK channels were previously shown to be expressed in the lytic vacuole (LV) tonoplast. Plants also contain smaller protein storage vacuoles (PSVs) that contain membrane transporters. However, the mechanisms that define how membrane proteins reach different vacuolar destinations are largely unknown. The Oryza sativa genome encodes two TPK isoforms (TPKa and TPKb) that have very similar sequences and are ubiquitously expressed. The electrophysiological properties of both TPKs were comparable, showing inward rectification and voltage independence. In spite of high levels of similarity in sequence and transport properties, the cellular localization of TPKa and TPKb channels was different, with TPKa localization predominantly at the large LV and TPKb primarily in smaller PSV-type compartments. Trafficking of TPKa was sensitive to brefeldin A, while that of TPKb was not. The use of TPKa:TPKb chimeras showed that C-terminal domains are crucial for the differential targeting of TPKa and TPKb. Site-directed mutagenesis of C-terminal residues that were different between TPKa and TPKb identified three amino acids that are important in determining ultimate vacuolar destination.
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Registered trials
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