ArticleThe Plant cell2014
The Os-AKT1 channel is critical for K+ uptake in rice roots and is modulated by the rice CBL1-CIPK23 complex.
Article in The Plant cell, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 118 papers.
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Who cites it
118 citing papers in PubMed, 289 citations in OpenAlex.
- Iron Availability for Micro-Tom Tomatoes via Nanoparticles: Implications for the Antioxidant System and Carbon Metabolism.Plants (Basel, Switzerland) · 2026Article
- A domestication-selected CIPK-MYB-HAK module improves salt tolerance in modern maize.Nature plants · 2026Article
- Potassium Deficiency and Hormone Signalling in Plants.Plant, cell & environment · 2026Review
- The bHLH transcription factor OsbHLH148 negatively regulates rice tiller number and grain yield through an integrated transcriptional network.BMC genomics · 2026Article
- OsKAT1 is a short Shaker potassium channel involved in root-to-shoot potassium translocation and contributes to rice grain yield.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- A two-phase evaluation system integrating hydroponic and field screening identifies nutrient-efficient sweetpotato (Frontiers in plant science · 2026Article
- Natural genetic variation in calcium sensor genes as a novel resource for abiotic stress tolerance in crops.Frontiers in plant science · 2026Review
- Advances in deciphering the mechanisms of salt tolerance in Maize.Plant signaling & behavior · 2025Review
- Optimizing Nutrient Dynamics for Crop Resilience to Abiotic Stress: An Endogenous Phytohormone Perspective.Plants (Basel, Switzerland) · 2025Review
- OsSPL10 negatively regulates seedling salt tolerance through OsJAZ-mediated jasmonate pathway in rice (Oryza sativa L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- The Root Knot Nematode Meloidogyne graminicola Regulates Rice Potassium Uptake by Targeting OsHAK17 to Facilitate Parasitism in Rice.Molecular plant pathology · 2025Article
- Integration of GWAS and transcriptome approaches for the identification of nitrogen-, phosphorus-, and potassium-responsive genes in tomato.Horticulture research · 2025Article
- GmAKT1-mediated KPlant biotechnology journal · 2025Article
- Phytochrome B-mediated light signalling enhances rice resistance to saline-alkaline and sheath blight by regulating multiple downstream transcription factors.Plant biotechnology journal · 2025Article
- A SnRK2-HAK regulatory module confers natural variation of salt tolerance in maize.Nature communications · 2025Article
- Fusaric acid-mediated S-glutathionylation of MaAKT1 channel confers the virulence of Foc TR4 to banana.PLoS pathogens · 2025Article
- Shaker KTransgenic research · 2025Article
- The transcription factor OsNAC25 regulates potassium homeostasis in rice.Plant biotechnology journal · 2025Article
- The abscisic acid signaling negative regulator OsPP2C68 confers drought and salinity tolerance to rice.Scientific reports · 2025Article
- Identification and expression pattern analysis of theFrontiers in plant science · 2025Article
58 more citing papers are in PubMed but not listed here.
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Potassium (K(+)) is one of the essential nutrient elements for plant growth and development. Plants absorb K(+) ions from the environment via root cell K(+) channels and/or transporters. In this study, the Shaker K(+) channel Os-AKT1 was characterized for its function in K(+) uptake in rice (Oryza sativa) roots, and its regulation by Os-CBL1 (Calcineurin B-Like protein1) and Os-CIPK23 (CBL-Interacting Protein Kinase23) was investigated. As an inward K(+) channel, Os-AKT1 could carry out K(+) uptake and rescue the low-K(+)-sensitive phenotype of Arabidopsis thaliana akt1 mutant plants. Rice Os-akt1 mutant plants showed decreased K(+) uptake and displayed an obvious low-K(+)-sensitive phenotype. Disruption of Os-AKT1 significantly reduced the K(+) content, which resulted in inhibition of plant growth and development. Similar to the AKT1 regulation in Arabidopsis, Os-CBL1 and Os-CIPK23 were identified as the upstream regulators of Os-AKT1 in rice. The Os-CBL1-Os-CIPK23 complex could enhance Os-AKT1-mediated K(+) uptake. A phenotype test confirmed that Os-CIPK23 RNAi lines exhibited similar K(+)-deficient symptoms as the Os-akt1 mutant under low K(+) conditions. These findings demonstrate that Os-AKT1-mediated K(+) uptake in rice roots is modulated by the Os-CBL1-Os-CIPK23 complex.
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