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Basic Information
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CGSNL Gene Symbol
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AMT1;3
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Gene Symbol Synonym
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OsAMT1;3, AMT1-3, Osamt1-2, "OsAMT1,2", OsAMT1;2, AMT1;2, OsAMT1.3, AMT1.2, OsAMT1.2
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CGSNL Gene Name
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AMMONIUM TRANSPORTER-1; 3
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Gene Name Synonym
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ammonium transporter-1;3, ammonium transporter 1;3, Ammonium transporter 1 member 3, ammonium transporter 1-2, "NH4+ transporter 1,2", Ammonium transporter 1;2
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Protein Name
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AMMONIUM TRANSPORTER-1; 3
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Allele
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OsAMT1;2-D1, OsAMT1;2-D2, Osamt1-2
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Chromosome No.
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2
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Explanation
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Q6K9G3. AF289478.OsAMT1.2 in Fan et al. 2014, Zhao et al. 2014, Huang et al. 2018, Sun et al. 2018, Yi et al. 2019, Lee et al. 2020, Liu et al. 2023, Luo et al., 2023, Guo et al. 2025. GO:0080167: response to karrikin. TO:0020098: nitrate sensitivity. TO:0020093: nitrogen content. GO:0071705: nitrogen compound transport. GO:1901698: response to nitrogen compound. GO:0090548: response to nitrate starvation.
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Trait Class
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Biochemical character
Tolerance and resistance - Stress tolerance
Character as QTL - Yield and productivity
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Expression
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Sequence/Locus
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cDNA Accession No.
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Q6K9G3
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MSU ID
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LOC_Os02g40710.1
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RAP ID
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Os02g0620500
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Links
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Oryzabase Chromosome View
(
IRGSP 1.0
/
Build5
)
RAP-DB
(
IRGSP 1.0
/
Build5
)
Related IDs List (
IRGSP 1.0
/
Build5
)
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INSD Accession List
(Test version)
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Link to INSD Accession List
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Map
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Locate(cM)
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Link map
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Classical linkage map
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References
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Guo X., Zhang J., Ma F., Li P., Ma Y., Xu K., Liu T.
Front Plant Sci 2025 16 1656041
Regulatory network of ammonium and nitrate uptake and utilization in rice.
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Luo J., Hang J., Wu B., Wei X., Zhao Q., Fang Z.
The Crop Journal 2023 11(3) 785-799
Co-overexpression of genes for nitrogen transport, assimilation, and utilization boosts rice grain yield and nitrogen use efficiency
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Liu K., Sakuraba Y., Ohtsuki N., Yang M., Ueda Y., Yanagisawa S.
Plant Biotechnol. J. 2023
CRISPR/Cas9-mediated elimination of OsHHO3, a transcriptional repressor of three AMMONIUM TRANSPORTER1 genes, improves nitrogen use efficiency in rice.
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Liu L., Cui K., Qi X., Wu Y., Huang J., Peng S.
Front Plant Sci 2023 14 1244281
Varietal responses of root characteristics to low nitrogen application explain the differing nitrogen uptake and grain yield in two rice varieties.
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Cui X., He H., Hu S., Zhang B., Cai H.
Plants (Basel) 2022 11(19)
Synergistic Interaction between Copper and Nitrogen-Uptake, Translocation, and Distribution in Rice Plant.
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Kabange N.R., Park S.Y., Lee J.Y., Shin D., Lee S.M., Kwon Y., Cha J.K., Cho J.H., Duyen D.V., Ko J.M., Lee J.H.
Int J Mol Sci 2021 22(4)
New Insights into the Transcriptional Regulation of Genes Involved in the Nitrogen Use Efficiency under Potassium Chlorate in Rice (<i>Oryza sativa</i> L.).
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Tiong J., Sharma N., Sampath R., MacKenzie N., Watanabe S., Metot C., Lu Z., Skinner W., Lu Y., Kridl J., Baumann U., Heuer S., Kaiser B., Okamoto M.
Front Plant Sci 2021 12 628521
Improving Nitrogen Use Efficiency Through Overexpression of alanine aminotransferase in Rice, Wheat, and Barley.
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Lee S., Marmagne A., Park J., Fabien C., Yim Y., Kim S.J., Kim T.H., Lim P.O., Masclaux-Daubresse C., Nam H.G.
Plant J. 2020 103(1) 7-20
Concurrent activation of OsAMT1;2 and OsGOGAT1 in rice leads to enhanced nitrogen use efficiency under nitrogen limitation.
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Wang P., Yamaji N., Inoue K., Mochida K., Ma J.F.
New Phytol. 2020 226(1) 156-169
Plastic transport systems of rice for mineral elements in response to diverse soil environmental changes.
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Yi J., Gao J., Zhang W., Zhao C., Wang Y., Zhen X.
Front Plant Sci 2019 10 1061
Differential Uptake and Utilization of Two Forms of Nitrogen in <i>Japonica</i> Rice Cultivars From North-Eastern China.
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Pei W., Jain A., Ai H., Liu X., Feng B., Wang X., Sun Y., Xu G., Sun S.
J. Plant Physiol. 2019 232 51-60
OsSIZ2 regulates nitrogen homeostasis and some of the reproductive traits in rice.
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Sun Y., Luo W., Jain A., Liu L., Ai H., Liu X., Feng B., Zhang L., Zhang Z., Guohua X., Sun S.
BMC Plant Biol. 2018 18(1) 241
OsPHR3 affects the traits governing nitrogen homeostasis in rice.
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Huang W., Bai G., Wang J., Zhu W., Zeng Q., Lu K., Sun S., Fang Z.
Front Plant Sci 2018 9 300
Two Splicing Variants of <i>OsNPF7.7</i> Regulate shoot branching and Nitrogen Utilization Efficiency in Rice.
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Zhu J., Liang J., Xu Z., Fan X., Zhou Q., Shen Q., Xu G.
AoB Plants 2015 7
Root aeration improves growth and nitrogen accumulation in rice seedlings under low nitrogen.
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Fan X., Xie D., Chen J., Lu H., Xu Y., Ma C., Xu G.
Plant Sci. 2014 227 1-11
Over-expression of OsPTR6 in rice increased plant growth at different nitrogen supplies but decreased nitrogen use efficiency at high ammonium supply.
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Zhao S.P.a b, Ye X.Z.a, Shi W.M.c
Russian Journal of Plant Physiology 2014 61 707-713
Expression of OsAMT1 (1.1-1.3) in rice varieties differing in nitrogen accumulation
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Wang W.H., Köhler B., Cao F.Q., Liu G.W., Gong Y.Y., Sheng S., Song Q.C., Cheng X.Y., Garnett T., Okamoto M., Qin R., Mueller-Roeber B., Tester M., Liu L.H.
New Phytol. 2012 193(2) 432-44
Rice DUR3 mediates high-affinity urea transport and plays an effective role in improvement of urea acquisition and utilization when expressed in Arabidopsis.
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Li S.M., Li B.Z., Shi W.M.
Pedosphere 2012 22 860-869
Expression Patterns of Nine Ammonium Transporters in Rice in Response to N Status
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Gaur V.S., Singh U.S., Gupta A.K., Kumar A.
Mol. Biol. Rep. 2012 39(8) 8035-44
Influence of different nitrogen inputs on the members of ammonium transporter and glutamine synthetase genes in two rice genotypes having differential responsiveness to nitrogen.
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Wang H., Wu Z., Han J., Zheng W., Yang C.
PLoS ONE 2012 7(5) e37817
Comparison of ion balance and nitrogen metabolism in old and young leaves of alkali-stressed rice plants.
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Wang H., Ahan J., Wu Z., Shi D., Liu B., Yang C.
Plant Soil 2012 355 131-147
Alteration of nitrogen metabolism in rice variety 'Nipponbare' induced by alkali stress
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Obara M., Takeda T., Hayakawa T., Yamaya T.
Soil Science and Plant Nutrition 2011 57 80-92
Mapping quantitative trait loci controlling root length in rice seedlings grown with low or sufficient NH+4 supply using backcross recombinant lines derived from a cross between Oryza sativa L. and Oryza glaberrima Steud
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Sperandio M.V.L., Santos L.A., Bucher C.A., Fernandes M.S., de Souza S.R.
Plant Science 2011 180 251-258
Isoforms of plasma membrane H+-ATPase in rice root and shoot are differentially induced by starvation and resupply of NO3- or NH4+
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LI B.-z., MERRICK M., LI S.-m., LI H.-y., ZHU S.-w., SHI W.-m., SU Y.-h.
Rice Science 2009 16(4) 314-322
Molecular Basis and Regulation of Ammonium Transporter in Rice
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Yao S.G., Sonoda Y., Tsutsui T., Nakamura H., Ichikawa H., Ikeda A., Yamaguchi J.
Breeding Science 2008 58 201-207
Promoter analysis of OsAMt1 ; 2 and OsAMT1 ; 3 implies their distinct roles of nitrogen utilization in rice
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Y H Duan, Y L Zhang, L T Ye, X R Fan, G H Xu, Q R Shen
Ann. Bot. 2007 99(6) 1153-60
Responses of rice cultivars with different nitrogen use efficiency to partial nitrate nutrition.
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Sonoda, Y., A. Ikeda, S. Saiki, T. Yamaya and J. Yamaguchi
Plant Cell Physiol. 2003 44(12) 1396-1402
Feedback regulation of the ammonium transporter gene family AMT1 by glutamine in rice.
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Sonoda, Y., A. Ikeda, S. Saiki, N. von Wiren, T. Yamaya and J. Yamaguchi
Plant Cell Physiol. 2003 44 726-734
Distinct expression and function of three ammonium transporter genes (OsAMT1;1 - 1;3) in rice.
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DB Reference
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Gramene ID
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-
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Ontologies
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Gene Ontology
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cellular response to nitrogen starvation( GO:0006995 )
response to copper ion( GO:0046688 )
response to nitrate( GO:0010167 )
protein polymerization( GO:0051258 )
response to flooding( GO:0009413 )
response to ammonium ion( GO:0060359 )
response to abscisic acid stimulus( GO:0009737 )
response to nematode( GO:0009624 )
plasma membrane( GO:0005886 )
response to chlorate( GO:0010157 )
response to starvation( GO:0042594 )
nitrate assimilation( GO:0042128 )
nitrogen utilization( GO:0019740 )
ammonium transmembrane transporter activity( GO:0008519 )
ammonium transport( GO:0015696 )
integral to membrane( GO:0016021 )
transmembrane transport( GO:0055085 )
nucleus( GO:0005634 )
methylammonium transport( GO:0015843 )
high affinity secondary active ammonium transmembrane transporter activity( GO:0015398 )
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Trait Ontology
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grain yield( TO:0000396 )
protein content( TO:0000598 )
flooding related trait( TO:0000114 )
copper sensitivity( TO:0000021 )
nitrogen sensitivity( TO:0000011 )
amino acid content( TO:0002673 )
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Plant Ontology
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leaf( PO:0025034 )
root( PO:0009005 )
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Related Strains
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Phenotype images
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Last updated
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Jan 17, 2026
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Update info.