ArticlePlant biotechnology journal2020
Maize ZmPT7 regulates Pi uptake and redistribution which is modulated by phosphorylation.
Article in Plant biotechnology journal, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.
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Who cites it
29 citing papers in PubMed, 75 citations in OpenAlex.
- Transcription factors in phosphorus utilization: enhancing crop productivity and stress resilience.Planta · 2026Review
- Article
- MmPHR1 enhances low phosphorus stress tolerance by activating MmPHT1;5 in an elite apple rootstock -Malus mandshurica.BMC plant biology · 2025Article
- Integrating Genetic Diversity and Agronomic Innovations for Climate-Resilient Maize Systems.Plants (Basel, Switzerland) · 2025Review
- The recent genetic modification techniques for improve soil conservation, nutrient uptake and utilization.GM crops & food · 2024Review
- Article
- ZmPHR1 contributes to drought resistance by modulating phosphate homeostasis in maize.Plant biotechnology journal · 2024Article
- MicroRNAs as potent regulators in nitrogen and phosphorus signaling transduction and their applications.Stress biology · 2024Review
- Mining for QTL controlling maize low-phosphorus response genes combined with deep resequencing of RIL parental genomes and in silico GWAS analysis.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Genome-wide association studies dissect low-phosphorus stress response genes underling field and seedling traits in maize.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Phosphorus uptake, transport, and signaling in woody and model plants.Forestry research · 2024Review
- Phosphate TransporterPlants (Basel, Switzerland) · 2023Article
- Genome-wide systematic characterization of the NRT2 gene family and its expression profile in wheat (Triticum aestivum L.) during plant growth and in response to nitrate deficiency.BMC plant biology · 2023Article
- The auxin signaling pathway contributes to phosphorus-mediated zinc homeostasis in maize.BMC plant biology · 2023Article
- Phosphorus partitioning contribute to phosphorus use efficiency during grain filling inFrontiers in plant science · 2023Article
- Diverse mycorrhizal maize inbred lines differentially modulate mycelial traits and the expression of plant and fungal phosphate transporters.Scientific reports · 2022Article
- Adaptive strategies of plants to conserve internal phosphorus under P deficient condition to improve P utilization efficiency.Physiology and molecular biology of plants : an international journal of functional plant biology · 2022Review
- Cross-Talk between Transcriptome Analysis and Physiological Characterization Identifies the Genes in Response to the Low Phosphorus Stress inInternational journal of molecular sciences · 2022Article
- The Ubiquitin E3 Ligase PRU2 Modulates Phosphate Uptake in Arabidopsis.International journal of molecular sciences · 2022Article
- Mechanisms for improving phosphorus utilization efficiency in plants.Annals of botany · 2022Review
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Phosphorus, an essential mineral macronutrient, is a major constituent of fertilizers for maize (Zea mays L.) production. However, the molecular mechanisms of phosphate (Pi) acquisition in maize plants and its redistribution remain unclear. This study presents the functional characterization of ZmPT7 in Pi uptake and redistribution in maize. The ZmPT7 was expressed in roots and leaves, and induced during Pi starvation. The ZmPT7 complemented the Pi-uptake deficiency of yeast mutant phoΔnull and Arabidopsis mutant pht1;1Δ4Δ, indicating that ZmPT7 functioned as a Pi transporter. We generated zmpt7 mutants by CRISPR/Cas9 and ZmPT7-overexpressing lines. The zmpt7 mutants showed reduced, whereas the ZmPT7-overexpressing lines displayed increased Pi-uptake capacity and Pi redistribution from old to young leaves, demonstrating that ZmPT7 played central roles in Pi acquisition and Pi redistribution from old to young leaves. The ZmCK2 kinases phosphorylated ZmPT7 at Ser-521 in old maize leaves, which enhanced transport activity of ZmPT7. The Ser-520 of Arabidopsis AtPHT1;1, a conserved residue of ZmPT7 Ser-521, was also phosphorylated by AtCK2 kinase, and the mutation of Ser-520 to Glu (phosphorylation mimic) yielded enhanced transport activity of AtPHT1;1. Taken together, these results indicate that ZmPT7 plays important roles in Pi acquisition and redistribution, and its transport activity is modulated by phosphorylation.
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