ArticleThe Journal of biological chemistry2008
Closely related members of the Medicago truncatula PHT1 phosphate transporter gene family encode phosphate transporters with distinct biochemical activities.
Article in The Journal of biological chemistry, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers.
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49 citing papers in PubMed, 98 citations in OpenAlex.
- Strategies and bibliometric analysis of legumes biofortification to address malnutrition.Planta · 2024Review
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- Differential Responses ofPlants (Basel, Switzerland) · 2023Article
- Single-nucleus transcriptomes reveal spatiotemporal symbiotic perception and early response in Medicago.Nature plants · 2023Article
- Improving phosphorus acquisition efficiency through modification of root growth responses to phosphate starvation in legumes.Frontiers in plant science · 2023Review
- Arbuscular Mycorrhizal Fungi Alleviate Low Phosphorus Stress in Maize Genotypes with Contrasting Root Systems.Plants (Basel, Switzerland) · 2022Article
- A genetically encoded biosensor reveals spatiotemporal variation in cellular phosphate content in Brachypodium distachyon mycorrhizal roots.The New phytologist · 2022Article
- Cross-Talk between Transcriptome Analysis and Physiological Characterization Identifies the Genes in Response to the Low Phosphorus Stress inInternational journal of molecular sciences · 2022Article
- Superior Haplotypes for Early Root Vigor Traits in Rice Under Dry Direct Seeded Low Nitrogen Condition Through Genome Wide Association Mapping.Frontiers in plant science · 2022Article
- MtPT5 phosphate transporter is involved in leaf growth and phosphate accumulation ofFrontiers in plant science · 2022Article
- Understanding the Adaptive Mechanisms of Plants to Enhance Phosphorus Use Efficiency on Podzolic Soils in Boreal Agroecosystems.Frontiers in plant science · 2022Review
- Mycorrhiza-Induced Alterations in Metabolome ofPlants (Basel, Switzerland) · 2021Article
- Isolation and Characterization of Endomycorrhizal Fungi Associated with Growth Promotion of Blueberry Plants.Journal of fungi (Basel, Switzerland) · 2021Article
- Molecular Mechanisms and Biochemical Pathways for Micronutrient Acquisition and Storage in Legumes to Support Biofortification for Nutritional Security.Frontiers in plant science · 2021Review
- Genome-Wide Identification and Expression Profile Analysis of theInternational journal of molecular sciences · 2020Article
- AM-Induced Alteration in the Expression of Genes, Encoding Phosphorus Transporters and Enzymes of Carbohydrate Metabolism inPlants (Basel, Switzerland) · 2020Article
- Genome-Wide Analysis of Phosphorus Transporter Genes inInternational journal of molecular sciences · 2020Article
- Functional Analysis of the Phosphate Transporter GeneFrontiers in plant science · 2020Article
- Genome-Wide Identification and Functional Characterization of the Phosphate Transporter Gene Family inBiomolecules · 2019Article
- The effects of soil phosphorus and zinc availability on plant responses to mycorrhizal fungi: a physiological and molecular assessment.Scientific reports · 2019Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Phosphorus is one of the essential mineral nutrients required by all living cells. Plants assimilate phosphate (Pi) from the soil, and their root systems encounter tremendous variation in Pi concentration, both temporally and spatially. Genome sequence data indicate that plant genomes contain large numbers of genes predicted to encode Pi transporters, the functions of which are largely unexplored. Here we present a comparative analysis of four very closely related Pi transporters of the PHT1 family of Medicago truncatula. Based on their sequence similarity and locations in the genome, these four genes probably arose via recent gene duplication events, and they form a small subfamily within the PHT1 family. The four genes are expressed in roots with partially overlapping but distinct spatial expression patterns, responses to Pi and expression during arbuscular mycorrhizal symbiosis. The proteins are located in the plasma membrane. Three members of the subfamily, MtPT1, MtPT2, and MtPT3, show low affinities for Pi. MtPT5 shares 84% amino acid identity with MtPT1, MtPT2, and MtPT3 but shows a high affinity for Pi with an apparent Km in yeast of 13 microm. Sequence comparisons and protein modeling suggest that amino acid residues that differ substantially between MtPT5 and the other three transporters are clustered in two regions of the protein. The data provide the first clues as to amino acid residues that impact transport activity of plant Pi transporter proteins.
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