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Basic Information
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CGSNL Gene Symbol
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AMT1;2
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Gene Symbol Synonym
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OsAMT1;2, AMT1-2, Osamt1-3, "OsAMT1,3", OsAMT1;3, OsAMT1.3, OsAMT1.2, AMT1.2
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CGSNL Gene Name
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AMMONIUM TRANSPORTER-1; 2
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Gene Name Synonym
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ammonium transporter-1;2, ammonium transporter 1;2, Ammonium transporter 1 member 2, ammonium transporter 1-3, "NH4+ transporter 1,3"
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Protein Name
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AMMONIUM TRANSPORTER-1; 2
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Allele
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Osamt1-3
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Chromosome No.
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2
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Explanation
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Q6K9G1. AF289479, AU032209. OsAMT1.3 in Fan et al. 2014, Yang et al. 2014, Zhao et al. 2014, Sun et al. 2018, Phule et al. 2018, Lee et al. 2020, Liu et al. 2023. a candidate gene for qHNA2 (QTL for N accumulation under high N conditions on chromosome 2). GO:1901698: response to nitrogen compound. GO:0080167:response to karrikin.
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Trait Class
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Biochemical character
Tolerance and resistance - Stress tolerance
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Expression
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Sequence/Locus
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cDNA Accession No.
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AK107204
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MSU ID
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LOC_Os02g40730.1
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RAP ID
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Os02g0620600
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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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Du H., Cong X., Ruan X., Yang Y., Shi F., Luo Y., Luo Z.
Front Plant Sci 2025 16 1591808
Rice transcription factors <i>OsNIGT2/3</i> regulate nitrogen acquisition by repressing <i>OsNRTs</i> and <i>OsAMTs</i> under high-nitrogen conditions.
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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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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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Gao J., Ge S., Wang H., Fang Y., Sun L., He T., Cheng X., Wang D., Zhou X., Cai H., Li C., Liu Y., E Y., Meng J., Chen W.
Front Plant Sci 2023 14 1131937
Biochar-extracted liquor stimulates nitrogen related gene expression on improving nitrogen utilization in rice seedling.
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Xin W., Wang J., Li J., Zhao H., Liu H., Zheng H., Yang L., Wang C., Yang F., Chen J., Zou D.
Front Plant Sci 2021 12 670861
Candidate Gene Analysis for Nitrogen Absorption and Utilization in Japonica Rice at the Seedling Stage Based on a Genome-Wide Association Study.
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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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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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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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Xuan Y.H., Kumar V., Han X., Kim S.H., Jeong J.H., Kim C.M., Gao Y., Han C.D.
Ann. Bot. 2019
CBL-INTERACTING PROTEIN KINASE 9 regulates ammonium-dependent root growth downstream of IDD10 in rice (Oryza sativa).
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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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Beier M.P., Obara M., Taniai A., Sawa Y., Ishizawa J., Yoshida H., Tomita N., Yamanaka T., Ishizuka Y., Kudo S., Yoshinari A., Takeuchi S., Kojima S., Yamaya T., Hayakawa T.
Plant J. 2018 93(6) 992-1006
Lack of ACTPK1, an STY kinase, enhances ammonium uptake and use, and promotes growth of rice seedlings under sufficient external ammonium.
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Phule A.S., Barbadikar K.M., Madhav M.S., Senguttuvel P., Babu MBBP., Ananda Kumar P.
3 Biotech 2018 8(9) 383
Genes encoding membrane proteins showed stable expression in rice under aerobic condition: novel set of reference genes for expression studies.
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Li S., Tian Y., Wu K., Ye Y., Yu J., Zhang J., Liu Q., Hu M., Li H., Tong Y., Harberd N.P., Fu X.
Nature 2018 560(7720) 595-600
Modulating plant growth-metabolism coordination for sustainable agriculture.
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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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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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Yang B.a, Wang X.M.a, Ma H.Y.a, Jia Y.a, Li X.b, Dai C.C.a
Plant Growth Regul. 2014 73 165-179
Effects of the fungal endophyte Phomopsis liquidambari on nitrogen uptake and metabolism in rice
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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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Xuan Y.H., Priatama R.A., Huang J., Je B.I., Liu J.M., Park S.J., Piao H.L., Son D.Y., Lee J.J., Park S.H., Jung K.H., Kim T.H., Han C.D.
New Phytol. 2013 197(3) 791-804
Indeterminate domain 10 regulates ammonium-mediated gene expression in rice roots.
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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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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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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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Marcus Vinícius Loss Sperandio, Leandro Azevedo Santos, Carlos Alberto Bucher, Manlio Silvestre Fernandes, Sonia Regina de Souza
Plant Sci. 2011 180(2) 251-8
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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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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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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ammonium transmembrane transporter activity( GO:0008519 )
response to abscisic acid stimulus( GO:0009737 )
response to nematode( GO:0009624 )
response to anoxia( GO:0034059 )
methylammonium transport( GO:0015843 )
response to starvation( GO:0042594 )
nucleus( GO:0005634 )
plasma membrane( GO:0005886 )
high affinity secondary active ammonium transmembrane transporter activity( GO:0015398 )
integral to membrane( GO:0016021 )
transmembrane transport( GO:0055085 )
cellular response to starvation( GO:0009267 )
response to flooding( GO:0009413 )
ammonium transport( GO:0015696 )
membrane( GO:0016020 )
protein polymerization( GO:0051258 )
response to ammonium ion( GO:0060359 )
response to nutrient( GO:0007584 )
positive regulation of nitrogen utilization( GO:0045848 )
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Trait Ontology
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nitrogen sensitivity( TO:0000011 )
flooding related trait( TO:0000114 )
grain yield per panicle( TO:0000450 )
amino acid content( TO:0002673 )
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Plant Ontology
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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 4, 2026
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Update info.