ArticleThe Plant cell2015
Suppression of Arbuscule Degeneration in Medicago truncatula phosphate transporter4 Mutants is Dependent on the Ammonium Transporter 2 Family Protein AMT2;3.
Article in The Plant cell, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 82 papers, 1 of them a synthesis that pooled it.
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Who cites it
82 citing papers in PubMed, 1 synthesis or guideline pooled it, 212 citations in OpenAlex.
- Plant ammonium sensitivity is associated with external pH adaptation, repertoire of nitrogen transporters, and nitrogen requirement.Journal of experimental botany · 2024Pooled it
- From invitation to eviction: How plants control arbuscular mycorrhizal symbiosis.Plant signaling & behavior · 2026Review
- Automated Phenotyping Unveils Trait-Specific Genotypic Variation in Arbuscular Mycorrhiza Responsiveness in Maize (Zea mays).Plant, cell & environment · 2026Article
- Soil to Cytoplasm: The Mycorrhizal Phosphorus Express and Its Regulatory Steps.Journal of fungi (Basel, Switzerland) · 2026Review
- Article
- The Genome-Wide Identification and Expression Analysis of the AMT Gene Family in Foxtail Millet.Biology · 2026Article
- Mycelial dynamics in arbuscular mycorrhizal fungi.The New phytologist · 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
- Synthetic microbial community in pristine environment promotes the growth of the endangered plant Lilium tsingtauense.Microbiome · 2025Article
- Effects of different arbuscular mycorrhizal fungi on tobacco seedling growth and their rhizosphere microecological mechanisms.BMC plant biology · 2025Article
- Convergent losses of arbuscular mycorrhizal symbiosis in carnivorous plants.The New phytologist · 2025Article
- Regulation of arbuscular mycorrhiza development by environmental stimuli: Many roads lead to strigolactones.PLoS pathogens · 2025Article
- Study on the Molecular Mechanism of Arbuscular Mycorrhizal Symbiosis Regulating Polysaccharide Synthesis inInternational journal of molecular sciences · 2025Article
- Comprehensive Quantification of (Poly)phenols inJournal of agricultural and food chemistry · 2025Article
- A transcriptomic perspective of P trade in mycorrhizal grapevine.Mycorrhiza · 2025Article
- Functional Characterization of Ammonium TransporterJournal of fungi (Basel, Switzerland) · 2025Article
- Effects of Arbuscular Mycorrhizal Fungi on the Growth and Nutrient Uptake in Wheat Under Low Potassium Stress.Plants (Basel, Switzerland) · 2025Article
- OsNLP3 and OsPHR2 orchestrate direct and mycorrhizal pathways for nitrate uptake by regulating NAR2.1-NRT2s complexes in rice.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Cross-kingdom nutrient exchange in the plant-arbuscular mycorrhizal fungus-bacterium continuum.Nature reviews. Microbiology · 2024Review
- The receptor-like kinase ARK controls symbiotic balance across land plants.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
22 more citing papers are in PubMed but not listed here.
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Authors and funding
13 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
During arbuscular mycorrhizal (AM) symbiosis, the plant gains access to phosphate (Pi) and nitrogen delivered by its fungal symbiont. Transfer of mineral nutrients occurs at the interface between branched hyphae called arbuscules and root cortical cells. In Medicago truncatula, a Pi transporter, PT4, is required for symbiotic Pi transport, and in pt4, symbiotic Pi transport fails, arbuscules degenerate prematurely, and the symbiosis is not maintained. Premature arbuscule degeneration (PAD) is suppressed when pt4 mutants are nitrogen-deprived, possibly the result of compensation by PT8, a second AM-induced Pi transporter. However, PAD is also suppressed in nitrogen-starved pt4 pt8 double mutants, negating this hypothesis and furthermore indicating that in this condition, neither of these symbiotic Pi transporters is required for symbiosis. In M. truncatula, three AMT2 family ammonium transporters are induced during AM symbiosis. To test the hypothesis that suppression of PAD involves AMT2 transporters, we analyzed double and triple Pi and ammonium transporter mutants. ATM2;3 but not AMT2;4 was required for suppression of PAD in pt4, while AMT2;4, but not AMT2;3, complemented growth of a yeast ammonium transporter mutant. In summary, arbuscule life span is influenced by PT4 and ATM2;3, and their relative importance varies with the nitrogen status of the plant.
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