ArticlePlant physiology2011
Structure and expression profile of the phosphate Pht1 transporter gene family in mycorrhizal Populus trichocarpa.
Article in Plant physiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 50 papers.
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50 citing papers in PubMed, 138 citations in OpenAlex.
- The transcription factor PdePHR1 increases phosphorus accumulation in poplar shoot and promotes root growth.BMC plant biology · 2026Article
- Soil to Cytoplasm: The Mycorrhizal Phosphorus Express and Its Regulatory Steps.Journal of fungi (Basel, Switzerland) · 2026Review
- Beyond phosphate uptake: PT4/PT11 as key functional components linking phosphate acquisition, nutrient exchange, and arbuscule maintenance in arbuscular mycorrhizal symbiosis.Frontiers in plant science · 2026Review
- A transcriptomic perspective of P trade in mycorrhizal grapevine.Mycorrhiza · 2025Article
- AM fungi modulate organic nitrogen preference ofFrontiers in plant science · 2025Article
- Phosphorus uptake, transport, and signaling in woody and model plants.Forestry research · 2024Review
- A multi-omic survey of black cottonwood tissues highlights coordinated transcriptomic and metabolomic mechanisms for plant adaptation to phosphorus deficiency.Frontiers in plant science · 2024Article
- Overexpression of theFrontiers in plant science · 2023Article
- AMicrobiology spectrum · 2022Article
- PtoWRKY40 interacts with PtoPHR1-LIKE3 while regulating the phosphate starvation response in poplar.Plant physiology · 2022Article
- The Roles of Phosphorus and Nitrogen Nutrient Transporters in the Arbuscular Mycorrhizal Symbiosis.International journal of molecular sciences · 2022Review
- One AP2/ERF Transcription Factor Positively Regulates Pi Uptake and Drought Tolerance in Poplar.International journal of molecular sciences · 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
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- MtPT5 phosphate transporter is involved in leaf growth and phosphate accumulation ofFrontiers in plant science · 2022Article
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- Phosphate availability and ectomycorrhizal symbiosis with Pinus sylvestris have independent effects on the Paxillus involutus transcriptome.Mycorrhiza · 2021Article
- Maize ZmPT7 regulates Pi uptake and redistribution which is modulated by phosphorylation.Plant biotechnology journal · 2020Article
- Selenium Biofortification of Crop Food by Beneficial Microorganisms.Journal of fungi (Basel, Switzerland) · 2020Review
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Authors and funding
11 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Gene networks involved in inorganic phosphate (Pi) acquisition and homeostasis in woody perennial species able to form mycorrhizal symbioses are poorly known. Here, we describe the features of the 12 genes coding for Pi transporters of the Pht1 family in poplar (Populus trichocarpa). Individual Pht1 transporters play distinct roles in acquiring and translocating Pi in different tissues of mycorrhizal and nonmycorrhizal poplar during different growth conditions and developmental stages. Pi starvation triggered the up-regulation of most members of the Pht1 family, especially PtPT9 and PtPT11. PtPT9 and PtPT12 showed a striking up-regulation in ectomycorrhizas and endomycorrhizas, whereas PtPT1 and PtPT11 were strongly down-regulated. PtPT10 transcripts were highly abundant in arbuscular mycorrhiza (AM) roots only. PtPT8 and PtPT10 are phylogenetically associated to the AM-inducible Pht1 subfamily I. The analysis of promoter sequences revealed conserved motifs similar to other AM-inducible orthologs in PtPT10 only. To gain more insight into gene regulatory mechanisms governing the AM symbiosis in woody plant species, the activation of the poplar PtPT10 promoter was investigated and detected in AM of potato (Solanum tuberosum) roots. These results indicated that the regulation of AM-inducible Pi transporter genes is conserved between perennial woody and herbaceous plant species. Moreover, poplar has developed an alternative Pi uptake pathway distinct from AM plants, allowing ectomycorrhizal poplar to recruit PtPT9 and PtPT12 to cope with limiting Pi concentrations in forest soils.
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