ArticlePlant cell reports2015
The rice OsAMT1;1 is a proton-independent feedback regulated ammonium transporter.
Article in Plant cell reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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Who cites it
23 citing papers in PubMed, 71 citations in OpenAlex.
- Reciprocal co-regulation of nitrate and ammonium transporters is modulated by external pH in Arabidopsis.Journal of experimental botany · 2026Article
- VviAMT4;1 Is a High-Affinity Ammonium Transporter in Table Grape.Plants (Basel, Switzerland) · 2026Article
- Tenuigenin inhibits osteosarcoma growth via CIP2A/PP2A/NF-κB axis.Cancer chemotherapy and pharmacology · 2024Article
- Biological ammonium transporters from the Amt/Mep/Rh superfamily: mechanism, energetics, and technical limitations.Bioscience reports · 2024Review
- Genome-wide association study using specific-locus amplified fragment sequencing identifies new genes influencing nitrogen use efficiency in rice landraces.Frontiers in plant science · 2023Article
- Article
- Transporters and transcription factors gene families involved in improving nitrogen use efficiency (NUE) and assimilation in rice (Oryza sativa L.).Transgenic research · 2022Review
- Role of protein phosphatases in the regulation of nitrogen nutrition in plants.Physiology and molecular biology of plants : an international journal of functional plant biology · 2021Review
- Posttranslational Modifications: Regulation of Nitrogen Utilization and Signaling.Plant & cell physiology · 2021Review
- Molecular Regulatory Networks for Improving Nitrogen Use Efficiency in Rice.International journal of molecular sciences · 2021Review
- Effect of Seedling Nitrogen Condition on Subsequent Vegetative Growth Stages and Its Relationship to the Expression of Nitrogen Transporter Genes in Rice.Plants (Basel, Switzerland) · 2020Article
- Function and Regulation of Ammonium Transporters in Plants.International journal of molecular sciences · 2020Review
- Genome-wide identification of the peptide transporter family in rice and analysis of the PTR expression modulation in two near-isogenic lines with different nitrogen use efficiency.BMC plant biology · 2020Article
- Improvement of nutrient use efficiency in rice: current toolbox and future perspectives.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Review
- Internal ammonium excess induces ROS-mediated reactions and causes carbon scarcity in rice.BMC plant biology · 2020Article
- Functional and Regulatory Characterization of Three AMTs in Maize Roots.Frontiers in plant science · 2020Article
- Functional Characterization of theFrontiers in plant science · 2020Article
- Article
- RDWN6BMC plant biology · 2019Article
- funRiceGenes dataset for comprehensive understanding and application of rice functional genes.GigaScience · 2018Article
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
key messageFunctional identification of a relatively lower affinity ammonium transporter, OsAMT1;1, which is a proton-independent feedback regulated ammonium transporter in rice. Rice genome contains at least 12 ammonium transporters, though their functionality has not been clearly resolved. Here, we demonstrate the functional properties of OsAMT1;1 applying functional complementation and (15)NH4 (+) uptake determination in yeast cells in combination with electrophysiological measurements in Xenopus oocytes. Our results show that OsAMT1;1 is a NH4 (+) transporter with relatively lower affinity to NH4 (+) (110-129 μM in oocytes and yeast cells, respectively). Under our experimental conditions, OsAMT1;1-mediated NH4 (+) uptake or current is not significantly modulated by extra- or intracellular pH gradient, suggesting that this transporter probably functions as a NH4 (+) uniporter. Inhibition of yeast growth or currents elicited from oocytes by ammonium assimilation inhibitor L-methionine sulfoximine indicates that NH4 (+) transport by OsAMT1;1 is likely feedback regulated by accumulation of the substrate. In addition, effects of phosphorylation inhibitors imply that NH4 (+) uptake by OsAMT1;1 is also modulated by tyrosine-specific protein kinase or calcium-regulated serine/threonine-specific protein phosphatase involved phosphorylation processes.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.