ArticleAquatic biosystems2014
In silico analysis of high affinity potassium transporter (HKT) isoforms in different plants.
Article in Aquatic biosystems, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 24 citations in OpenAlex.
- Gene Expression Divergence Between Locally Adapted Inland Annual and Coastal Perennial Ecotypes of Mimulus guttatus Across Developmental Stages.Molecular ecology · 2025Article
- Application of nanoparticles for salinity stress management and biofortification in wheat: a review of dual approaches and insights.Frontiers in plant science · 2025Review
- Pungency related gene network in Allium sativum L., response to sulfur treatments.BMC genomic data · 2024Article
- Identification of the High-Affinity Potassium Transporter Gene Family (HKT) inPlants (Basel, Switzerland) · 2023Article
- A High-KInternational journal of molecular sciences · 2023Article
- Comparative Transcriptome Profiling Provides Insights into Plant Salt Tolerance in Watermelon (Life (Basel, Switzerland) · 2022Article
- Promoter of the TmHKT1;4-A1 gene of Triticum monococcum directs stress inducible, developmental regulated and organ specific gene expression in transgenic Arbidopsis thaliana.World journal of microbiology & biotechnology · 2018Article
- Unified Transcriptomic Signature of Arbuscular Mycorrhiza Colonization in Roots ofFrontiers in plant science · 2018Article
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Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundHigh affinity potassium transporters (HKTs) are located in the plasma membrane of the vessels and have significant influence on salt tolerance in some plants. They exclude Na(+) from the parenchyma cells to reduce Na(+) concentration. Despite many studies, the underlying regulatory mechanisms and the exact functions of HKTs within different genomic backgrounds are relatively unknown. In this study, various bioinformatics techniques, including promoter analysis, identification of HKT-surrounding genes, and construction of gene networks, were applied to investigate the HKT regulatory mechanism.
resultsPromoter analysis showed that rice HKTs carry ABA response elements. Additionally, jasmonic acid response elements were detected on promoter region of TmHKT1;5. In silico synteny highlighted several unknown and new loci near rice, Arabidopsis thaliana and Physcomitrella patent HKTs, which may play a significant role in salt stress tolerance in concert with HKTs. Gene network prediction unravelled that crosstalk between jasmonate and ethylene reduces AtHKT1;1 expression. Furthermore, antiporter and transferase proteins were found in AtHKT1;1 gene network. Interestingly, regulatory elements on the promoter region of HKT in wild genotype (TmHKT1;5) were more frequent and variable than the ones in cultivated wheat (TaHKT1;5) which provides the possibility of rapid response and better understanding of environmental conditions for wild genotype.
conclusionDetecting ABA and jasmonic acid response elements on promoter regions of HKTs provide valuable clues on underlying regulatory mechanisms of HKTs. In silico synteny and pathway discovery indicated several candidates which act in concert with HKTs in stress condition. We highlighted different arrangement of regulatory elements on promoter region of wild wheat (TmHKT1;5) compared to bread wheat (TaHKT1;5) in this study.
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