ArticlePlant physiology2013
A protein kinase, calcineurin B-like protein-interacting protein Kinase9, interacts with calcium sensor calcineurin B-like Protein3 and regulates potassium homeostasis under low-potassium stress in Arabidopsis.
Article in Plant physiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 56 papers.
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56 citing papers in PubMed, 157 citations in OpenAlex.
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- Transcriptome analysis of Populus × canadensis 'Zhongliao1' in response to low temperature stress.BMC genomics · 2023Article
- Functional identification of the calcineurin B-like protein PavCBL4 in modulating salt tolerance in sweet cherry.Frontiers in plant science · 2023Article
- Identification of the CIPK-CBL family gene and functional characterization of CqCIPK14 gene under drought stress in quinoa.BMC genomics · 2022Article
- Comprehensive Transcriptome Analysis Uncovers Hub Long Non-coding RNAs Regulating Potassium Use Efficiency inFrontiers in plant science · 2022Article
- HalophyteFrontiers in plant science · 2022Article
- Delineating Calcium Signaling Machinery in Plants: Tapping the Potential through Functional Genomics.Current genomics · 2021Review
- De Novo Transcriptome Assembly, Functional Annotation, and Transcriptome Dynamics Analyses Reveal Stress Tolerance Genes in Mangrove Tree (International journal of molecular sciences · 2021Article
- Revealing the Role of the Calcineurin B-Like Protein-Interacting Protein Kinase 9 (CIPK9) in Rice Adaptive Responses to Salinity, Osmotic Stress, and KPlants (Basel, Switzerland) · 2021Article
- Identification and Characterization of Abiotic Stress Responsive CBL-CIPK Family Genes inInternational journal of molecular sciences · 2021Article
- The Halophyte Seashore Paspalum Uses Adaxial Leaf Papillae for Sodium Sequestration.Plant physiology · 2020Article
- GhCIPK6a increases salt tolerance in transgenic upland cotton by involving in ROS scavenging and MAPK signaling pathways.BMC plant biology · 2020Article
- Arabidopsis K+ transporter HAK5-mediated high-affinity root K+ uptake is regulated by protein kinases CIPK1 and CIPK9.Journal of experimental botany · 2020Article
- Alfalfa MsCBL4 enhances calcium metabolism but not sodium transport in transgenic tobacco under salt and saline-alkali stress.Plant cell reports · 2020Article
- The calcineurin β-like interacting protein kinase CIPK25 regulates potassium homeostasis under low oxygen in Arabidopsis.Journal of experimental botany · 2020Article
- The SAUR41 subfamily of SMALL AUXIN UP RNA genes is abscisic acid inducible to modulate cell expansion and salt tolerance in Arabidopsis thaliana seedlings.Annals of botany · 2020Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Potassium (K⁺) is an essential macronutrient for plant growth and development. Previous studies have demonstrated that Calcineurin B-Like Protein1 (CBL1) or CBL9 and CBL-Interacting Protein Kinase23 (CIPK23) regulate K⁺ uptake in Arabidopsis (Arabidopsis thaliana) roots by modulating K⁺ channel Arabidopsis K⁺ Transporter1. In this study, we show that the protein kinase CIPK9 interacts with the calcium sensor CBL3 and plays crucial roles in K⁺ homeostasis under low-K⁺ stress in Arabidopsis. Arabidopsis wild-type plants showed leaf chlorotic symptoms when grown for 10 d on low-K⁺ (100 μM) medium. Here, we show that plants lacking CIPK9 displayed a tolerant phenotype to low-K⁺ stress, which still maintained green leaves when the wild-type plants showed typical K⁺-deficient symptoms. Overexpressing lines of CIPK9 resulted in a low-K⁺-sensitive phenotype compared with wild-type plants. Furthermore, CBL2 and CBL3 were identified as upstream regulators of CIPK9. Both CBL2- and CBL3-overexpressing lines displayed similar low-K⁺-sensitive phenotypes and K⁺ contents to CIPK9-overexpressing lines. However, only cbl3 mutant plants, but not cbl2 mutant plants, showed the low-K⁺-tolerant phenotype similar to cipk9 mutants. Taken together, these results demonstrate that CIPK9 and CBL3 work together and function in K⁺ homeostasis under low-K⁺ stress in Arabidopsis.
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