ArticleThe New phytologist2021
TaPHT1;9-4B and its transcriptional regulator TaMYB4-7D contribute to phosphate uptake and plant growth in bread wheat.
Article in The New phytologist, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed, 47 citations in OpenAlex.
- Transcription factors in phosphorus utilization: enhancing crop productivity and stress resilience.Planta · 2026Review
- LOX-A4 shapes Triticum urartu gene pools and contributions to the A subgenome of polyploid wheat.Nature communications · 2026Article
- Silencing of the Mycorrhiza-Inducible Phosphate TransporterPlants (Basel, Switzerland) · 2026Article
- TaCML49-B, a Calmodulin-like Protein, Interacts with TaIQD23 to Positively Regulate Salt Tolerance in Wheat.Plants (Basel, Switzerland) · 2025Article
- Genetic dissection for phosphorus uptake and utilization efficiency at seedling stage in wheat (Molecular breeding : new strategies in plant improvement · 2025Article
- Effects of Arbuscular Mycorrhizal Fungi on the Growth and Nutrient Uptake in Wheat Under Low Potassium Stress.Plants (Basel, Switzerland) · 2025Article
- From genes to traits: maximizing phosphorus utilization efficiency in crop plants.Frontiers in plant science · 2025Review
- Genome-wide association study identified BnaPAP17 genes involved in exogenous ATP utilization and regulating phosphorous content in Brassica napus.Plant cell reports · 2024Article
- Comparative transcriptomic and physiological analyses unravel wheat source root adaptation to phosphorous deficiency.Scientific reports · 2024Article
- OsMYB58 Negatively Regulates Plant Growth and Development by Regulating Phosphate Homeostasis.International journal of molecular sciences · 2024Article
- Wheat genomic study for genetic improvement of traits in China.Science China. Life sciences · 2022Review
- Identification of effective alleles and haplotypes conferring pre-harvest sprouting resistance in winter wheat cultivars.BMC plant biology · 2022Article
- Proteomic Analysis Dissects Molecular Mechanisms Underlying Plant Responses to Phosphorus Deficiency.Cells · 2022Review
- Association of the Recessive AlleleFrontiers in plant science · 2022Article
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9 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Efficient phosphate (Pi) uptake and utilisation are essential for promoting crop yield. However, the underlying molecular mechanism is still poorly understood in complex crop species such as hexaploid wheat. Here we report that TaPHT1;9-4B and its transcriptional regulator TaMYB4-7D function in Pi acquisition, translocation and plant growth in bread wheat. TaPHT1;9-4B, a high-affinity Pi transporter highly upregulated in roots by Pi deficiency, was identified using quantitative proteomics. Disruption of TaPHT1;9-4B function by BSMV-VIGS or CRISPR editing impaired wheat tolerance to Pi deprivation, whereas transgenic expression of TaPHT1;9-4B in rice improved Pi uptake and plant growth. Using yeast-one-hybrid assay, we isolated TaMYB4-7D, a R2R3 MYB transcription factor that could activate TaPHT1;9-4B expression by binding to its promoter. Silencing TaMYB4-7D decreased TaPHT1;9-4B expression, Pi uptake and plant growth. Four promoter haplotypes were identified for TaPHT1;9-4B, with Hap3 showing significant positive associations with TaPHT1;9-4B transcript level, growth performance and phosphorus (P) content in wheat plants. A functional marker was therefore developed for tagging Hap3. Collectively, our data shed new light on the molecular mechanism controlling Pi acquisition and utilisation in bread wheat. TaPHT1;9-4B and TaMYB4-7D may aid further research towards the development of P efficient crop cultivars.
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