ArticleFrontiers in plant science2012
Phylogenetic analysis of k(+) transporters in bryophytes, lycophytes, and flowering plants indicates a specialization of vascular plants.
Article in Frontiers in plant science, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers.
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43 citing papers in PubMed, 94 citations in OpenAlex.
- The origin and evolution of HKT proteins with TrkH domain from aquatic plants to flowering plants.Horticulture research · 2025Article
- Comparative analysis of HKT genes inFrontiers in plant science · 2025Article
- Investigation of two-pore KHeliyon · 2024Article
- Xylem KFrontiers in plant science · 2023Article
- NP and 9311 are excellent population parents for screening QTLs of potassium-efficient rice.PloS one · 2023Article
- Article
- 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
- Noncoding-RNA-Mediated Regulation in Response to Macronutrient Stress in Plants.International journal of molecular sciences · 2021Review
- Stomata: the holey grail of plant evolution.American journal of botany · 2021Article
- Plant HKT Channels: An Updated View on Structure, Function and Gene Regulation.International journal of molecular sciences · 2021Review
- Genome-Wide Investigation and Expression Analysis of KBiochemical genetics · 2021Article
- Advances in Mineral Nutrition Transport and Signal Transduction in Rosaceae Fruit Quality and Postharvest Storage.Frontiers in plant science · 2021Review
- Potential Networks of Nitrogen-Phosphorus-Potassium Channels and Transporters in Arabidopsis Roots at a Single Cell Resolution.Frontiers in plant science · 2021Article
- Genome-wide characterization and expression analysis of HAK K3 Biotech · 2021Article
- Genome-Wide Survey and Expression Analysis of the KT/HAK/KUP Family inInternational journal of molecular sciences · 2020Article
- Article
- A calcium signalling network activates vacuolar KNature plants · 2020Article
- The Dynamics of Radio-Cesium in Soils and Mechanism of Cesium Uptake Into Higher Plants: Newly Elucidated Mechanism of Cesium Uptake Into Rice Plants.Frontiers in plant science · 2020Review
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Authors and funding
7 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
As heritage from early evolution, potassium (K(+)) is absolutely necessary for all living cells. It plays significant roles as stabilizer in metabolism and is important for enzyme activation, stabilization of protein synthesis, and neutralization of negative charges on cellular molecules as proteins and nucleic acids. Land plants even enlarged this spectrum of K(+) utilization after having gone ashore, despite the fact that K(+) is far less available in their new oligotrophic habitats than in sea water. Inevitably, plant cells had to improve and to develop unique transport systems for K(+) accumulation and distribution. In the past two decades a manifold of K(+) transporters from flowering plants has been identified at the molecular level. The recently published genome of the fern ally Selaginella moellendorffii now helps in providing a better understanding on the molecular changes involved in the colonization of land and the development of the vasculature and the seeds. In this article we present an inventory of K(+) transporters of this lycophyte and pigeonhole them together with their relatives from the moss Physcomitrella patens, the monocotyledon Oryza sativa, and two dicotyledonous species, the herbaceous plant Arabidopsis thaliana, and the tree Populus trichocarpa. Interestingly, the transition of green plants from an aqueous to a dry environment coincides with a dramatic reduction in the diversity of voltage-gated potassium channels followed by a diversification on the basis of one surviving K(+) channel class. The first appearance of K(+) release (K(out)) channels in S. moellendorffii that were shown in Arabidopsis to be involved in xylem loading and guard cell closure coincides with the specialization of vascular plants and may indicate an important adaptive step.
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