ArticleThe Biochemical journal2006
Ammonium ion transport by the AMT/Rh homologue LeAMT1;1.
Article in The Biochemical journal, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers.
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Who cites it
44 citing papers in PubMed.
- How sensor Amt-like proteins integrate ammonium signals.Science advances · 2024Article
- Physiological, molecular, and environmental insights into plant nitrogen uptake, and metabolism under abiotic stresses.The plant genome · 2024Review
- Biological ammonium transporters from the Amt/Mep/Rh superfamily: mechanism, energetics, and technical limitations.Bioscience reports · 2024Review
- Protein Phosphorylation Orchestrates Acclimations of Arabidopsis Plants to Environmental pH.Molecular & cellular proteomics : MCP · 2024Article
- Regulation of Cytosolic pH: The Contributions of Plant Plasma Membrane HInternational journal of molecular sciences · 2021Review
- Article
- Function and Regulation of Ammonium Transporters in Plants.International journal of molecular sciences · 2020Review
- A twin histidine motif is the core structure for high-affinity substrate selection in plant ammonium transporters.The Journal of biological chemistry · 2020Article
- Functional Characterization of theFrontiers in plant science · 2020Article
- A pore-occluding phenylalanine gate prevents ion slippage through plant ammonium transporters.Scientific reports · 2019Article
- Ammonium transceptors: Novel regulators of fungal development.PLoS pathogens · 2019Article
- Ammonium and nitrate regulate NH4+ uptake activity of Arabidopsis ammonium transporter AtAMT1;3 via phosphorylation at multiple C-terminal sites.Journal of experimental botany · 2019Article
- TaAMT2;3a, a wheat AMT2-type ammonium transporter, facilitates the infection of stripe rust fungus on wheat.BMC plant biology · 2019Article
- New Insights onInternational journal of molecular sciences · 2019Article
- Gene characterization and transcription analysis of two new ammonium transporters in pear rootstock (Pyrus betulaefolia).Journal of plant research · 2016Article
- Evolution of Electrogenic Ammonium Transporters (AMTs).Frontiers in plant science · 2016Article
- Overexpressing of OsAMT1-3, a High Affinity Ammonium Transporter Gene, Modifies Rice Growth and Carbon-Nitrogen Metabolic Status.International journal of molecular sciences · 2015Article
- The rice OsAMT1;1 is a proton-independent feedback regulated ammonium transporter.Plant cell reports · 2015Article
- Direct observation of electrogenic NH4(+) transport in ammonium transport (Amt) proteins.Proceedings of the National Academy of Sciences of the United States of America · 2014Article
- Uncoupling of ionic currents from substrate transport in the plant ammonium transporter AtAMT1;2.The Journal of biological chemistry · 2014Article
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3 authors.
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No grant is acknowledged in the PubMed record.
Abstract
AMT (ammonium transporter)/Rh (Rhesus) ammonium transporters/channels are identified in all domains of life and fulfil contrasting functions related either to ammonium acquisition or excretion. Based on functional and crystallographic high-resolution structural data, it was recently proposed that the bacterial AmtB (ammonium transporter B) is a gas channel for NH3 [Khademi, O'Connell, III, Remis, Robles-Colmenares, Miercke and Stroud (2004) Science 305, 1587-1594; Zheng, Kostrewa, Berneche, Winkler and Li (2004) Proc. Natl. Acad. Sci. U.S.A. 101, 17090-17095]. Key residues, proposed to be crucial for NH3 conduction, and the hydrophobic, but obstructed, pore were conserved in a homology model of LeAMT1;1 from tomato. Transport by LeAMT1;1 was affected by mutations of residues that were predicted to constitute the aromatic recruitment site for NH4+ at the external pore entrance. Despite the structural similarities, LeAMT1;1 was shown to transport only the ion; each transported 14C-methylammonium molecule carried a single positive elementary charge. Similarly, NH4+ (or H+/NH3) was transported, but NH3 conduction was excluded. It is concluded that related proteins and a similar molecular architecture can apparently support contrasting transport mechanisms.
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