ArticleThe Plant cell1999
Pht2;1 encodes a low-affinity phosphate transporter from Arabidopsis.
Article in The Plant cell, 1999. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 63 papers.
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Who cites it
63 citing papers in PubMed, 210 citations in OpenAlex.
- Genome-wide characterization of the PHT gene family in Uncaria rhynchophylla identified UrPHT1;11 as a key regulator to low phosphorus response.BMC plant biology · 2026Article
- Molecular mechanism underlying phosphate distribution by SULTR family transporter SPDT inScience advances · 2025Article
- Genome-Wide Identification and Expression Assessment for theInternational journal of molecular sciences · 2025Article
- Structural mechanism underlying PHO1;H1-mediated phosphate transport in Arabidopsis.Nature plants · 2025Article
- Characterizing the wheat (Frontiers in plant science · 2025Article
- Integrating molecular mechanisms and agronomic strategies for selenium biofortification in horticultural crops.Frontiers in plant science · 2025Review
- Milestones in understanding transport, sensing, and signaling of the plant nutrient phosphorus.The Plant cell · 2024Review
- Effects of Soybean Phosphate Transporter GeneInternational journal of molecular sciences · 2023Article
- Genome-Wide Analysis of the PHT Gene Family and Its Response to Mycorrhizal Symbiosis in Tomatoes under Phosphate Starvation Conditions.International journal of molecular sciences · 2023Article
- Roles of plastid-located phosphate transporters in carotenoid accumulation.Frontiers in plant science · 2022Review
- Understanding the Adaptive Mechanisms of Plants to Enhance Phosphorus Use Efficiency on Podzolic Soils in Boreal Agroecosystems.Frontiers in plant science · 2022Review
- Intracellular phosphate sensing and regulation of phosphate transport systems in plants.Plant physiology · 2021Review
- Cryo-milled nano-DAP for enhanced growth of monocot and dicot plants.Nanoscale advances · 2021Article
- Potential Networks of Nitrogen-Phosphorus-Potassium Channels and Transporters in Arabidopsis Roots at a Single Cell Resolution.Frontiers in plant science · 2021Article
- Transcriptional and Morpho-Physiological Responses ofInternational journal of molecular sciences · 2020Article
- Genome-Wide Analysis of the Five Phosphate Transporter Families inInternational journal of molecular sciences · 2020Article
- Structure of the sodium-dependent phosphate transporter reveals insights into human solute carrier SLC20.Science advances · 2020Article
- Genome-Wide Analysis of Phosphorus Transporter Genes inInternational journal of molecular sciences · 2020Article
- Global Survey and Expressions of the Phosphate Transporter Gene Families inInternational journal of molecular sciences · 2020Article
- Cytokinin is involved in TPS22-mediated selenium tolerance in Arabidopsis thaliana.Annals of botany · 2018Article
3 more citing papers are in PubMed but not listed here.
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
An Arabidopsis genomic sequence was recently shown to share similarity with bacterial and eukaryotic phosphate (Pi) transporters. We have cloned the corresponding cDNA, which we named Pht2;1, and subsequently performed gene expression studies and functional analysis of the protein product. The cDNA encodes a 61-kD protein with a putative topology of 12 transmembrane (TM) domains interrupted by a large hydrophilic loop between TM8 and TM9. Two boxes of eight and nine amino acids, located in the N- and C-terminal domains, respectively, are highly conserved among species across all kingdoms (eubacteria, archea, fungi, plants, and animals). The Pht2;1 gene is predominantly expressed in green tissue, the amount of transcript staying constant in leaves irrespective of the Pi status of the shoot; in roots, however, there is a marginal increase in mRNA amounts in response to Pi deprivation. Although the protein is highly similar to eukaryotic sodium-dependent Pi transporters, functional analysis of the Pht2;1 protein in mutant yeast cells indicates that it is a proton/Pi symporter dependent on the electrochemical gradient across the plasma membrane. Its fairly high apparent K(m) for Pi (0.4 mM) and high mRNA content in the shoot, especially in leaves, suggest a role for shoot organs in Pi loading. Pht2;1 thus differs from members of the recently described plant Pi transporter family in primary structure, affinity for Pi, and presumed function.
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