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Basic Information
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CGSNL Gene Symbol
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NRT2.1
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Gene Symbol Synonym
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OsNRT2.1, OsNRT2.2
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CGSNL Gene Name
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HIGH AFFINITY NITRATE TRANSPORTER
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Gene Name Synonym
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high-affinity nitrate transporter 2.1
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Protein Name
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HIGH AFFINITY NITRATE TRANSPORTER
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Allele
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Chromosome No.
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2
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Explanation
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AB008519. OsNRT2.2 in Plett et al. 2010. TO:0020098: nitrate sensitivity. TO:0020093: nitrogen content. TO:0020103: adventitious root length. GO:2000012: regulation of auxin polar transport. GO:0090548: response to nitrate starvation. TO:0020100: nitrate uptake.
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Trait Class
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Biochemical character
Vegetative organ - Root
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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AB008519
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MSU ID
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LOC_Os02g02170.1
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RAP ID
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Os02g0112100
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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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Li C., Wen H., Wu Y., Li Y., Feng X., Li X., Xu S., Jiang D., Zhang B., Li M., Liang Y., Nan W., Zhang H., Qin X.
Plant Biotechnol. J. 2025 23(8) 3300-3312
OsRF2b interacting with OsbZIP61 modulates nitrogen use efficiency and grain yield via heterodimers in rice.
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Qi J., Yu L., Ding J., Ji C., Wang S., Wang C., Ding G., Shi L., Xu F., Cai H.
Plant Physiol. 2023
Transcription factor OsSNAC1 positively regulates nitrate transporter gene expression in rice.
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Wang F., Wang Y., Ying L., Lu H., Liu Y., Liu Y., Xu J., Wu Y., Mo X., Wu Z., Mao C.
Front Plant Sci 2023 14 1164441
Integrated transcriptomic analysis identifies coordinated responses to nitrogen and phosphate deficiency in rice.
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Zhang Y., Iqbal M.F., Wang Y., Qian K., Xiang J., Xu G., Fan X.
Int J Mol Sci 2022 23(18)
OsTBP2.1, a TATA-binding protein, Alters the Ratio of <i>OsNRT2.3b</i> to <i>OsNRT2.3a</i> and Improves Rice grain yield.
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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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Wang M., Hasegawa T., Beier M., Hayashi M., Ohmori Y., Yano K., Teramoto S., Kamiya T., Fujiwara T.
Plant Cell Physiol. 2021
Growth and nitrate reductase activity are impaired in rice OsNLP4 mutantssupplied with nitrate.
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Xiang D., Meng F., Wang A., Wu Y., Wang Z., Zheng S., Mao C.
Plant J. 2021 107(2) 480-492
Root-secreted peptide OsPEP1 regulates primary root elongation in rice.
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Wang D., Xu T., Yin Z., Wu W., Geng H., Li L., Yang M., Cai H., Lian X.
Front Plant Sci 2020 11 369
Overexpression of OsMYB305 in Rice Enhances the Nitrogen Uptake Under Low-Nitrogen Condition.
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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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Hu B., Jiang Z., Wang W., Qiu Y., Zhang Z., Liu Y., Li A., Gao X., Liu L., Qian Y., Huang X., Yu F., Kang S., Wang Y., Xie J., Cao S., Zhang L., Wang Y., Xie Q., Kopriva S., Chu C.
Nat Plants 2019 5(4) 401-413
Nitrate-NRT1.1B-SPX4 cascade integrates nitrogen and phosphorus signalling networks in plants.
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Huang S., Liang Z., Chen S., Sun H., Fan X., Wang C., Xu G., Zhang Y.
Plant Physiol. 2019 180(2) 882-895
A Transcription Factor, OsMADS57, Regulates Long-Distance Nitrate Transport and Root Elongation.
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Naz M., Luo B., Guo X., Li B., Chen J., Fan X.
Genes (Basel) 2019 10(4)
Overexpression of Nitrate Transporter <i>OsNRT2.1</i> Enhances Nitrate-Dependent Root Elongation.
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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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Chen J., Qi T., Hu Z., Fan X., Zhu L., Iqbal M.F., Yin X., Xu G., Fan X.
Front Plant Sci 2019 10 197
<i>OsNAR2.1</i> Positively Regulates drought tolerance and grain yield Under Drought Stress Conditions in Rice.
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Yang J., Deng X., Wang X., Wang J., Du S., Li Y.
PLoS ONE 2019 14(11) e0224962
The calcium sensor OsCBL1 modulates nitrate signaling to regulate seedling growth in rice.
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Wang W., Hu B., Yuan D., Liu Y., Che R., Hu Y., Ou S., Liu Y., Zhang Z., Wang H., Li H., Jiang Z., Zhang Z., Gao X., Qiu Y., Meng X., Liu Y., Bai Y., Liang Y., Wang Y., Zhang L., Li L., Sodmergen, Jing H., Li J., Chu C.
Plant Cell 2018 30(3) 638-651
Expression of the Nitrate Transporter Gene <i>OsNRT1.1A/OsNPF6.3</i> Confers High Yield and Early Maturation in Rice.
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Wei J., Zheng Y., Feng H., Qu H., Fan X., Yamaji N., Ma J.F., Xu G.
J. Exp. Bot. 2018 69(5) 1095-1107
OsNRT2.4 encodes a dual-affinity nitrate transporter and functions in nitrate-regulated root growth and nitrate distribution in rice.
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Luo B., Chen J., Zhu L., Liu S., Li B., Lu H., Ye G., Xu G., Fan X.
Front Plant Sci 2018 9 1192
Overexpression of a High-Affinity Nitrate Transporter <i>OsNRT2.1</i> Increases Yield and Manganese Accumulation in Rice Under Alternating Wet and Dry Condition.
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Chen J., Fan X., Qian K., Zhang Y., Song M., Liu Y., Xu G., Fan X.
Plant Biotechnol. J. 2017
pOsNAR2.1:OsNAR2.1 expression enhances nitrogen uptake efficiency and grain yield in transgenic rice plants.
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Chen J., Zhang Y., Tan Y., Zhang M., Zhu L., Xu G., Fan X.
Plant Biotechnol. J. 2016
Agronomic nitrogen-use efficiency of rice can be increased by driving OsNRT2.1 expression with the OsNAR2.1 promoter.
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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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Sperandio M.V.L.a, Santos L.A.a, de Araujo O.J.L.a, Braga R.P.a, Coelho C.P.a, de Matos Nogueira E.b, Fernandes M.S.a, de Souza S.R.c
Aust J Crop Sci 2014 8 568-576
Response of nitrate transporters and PM H+-ATPase expression to nitrogen flush on two upland rice varieties contrasting in nitrate uptake kinetics
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Tang Z., Fan X., Li Q., Feng H., Miller A.J., Shen Q., Xu G.
Plant Physiol. 2012 160(4) 2052-63
Knockdown of a rice stelar nitrate transporter alters long-distance translocation but not root influx.
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Takayanagi S,Takagi Y,Araki R,Hasegawa H
J. Plant Res. 2011 124 305-9
High-affinity nitrate uptake by rice (Oryza sativa) coleoptiles.
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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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Yan M., Fan X., Feng H., Miller A.J., Shen Q., Xu G.
Plant Cell Environ. 2011 34(8) 1360-72
Rice OsNAR2.1 interacts with OsNRT2.1, OsNRT2.2 and OsNRT2.3a nitrate transporters to provide uptake over high and low concentration ranges.
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Feng H., Fan X., Yan M., Liu X., Miller A.J., Xu G.
Plant Signal Behav 2011 6(9) 1286-9
Multiple roles of nitrate transport accessory protein NAR2 in plants.
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Feng H. , Yan M. , Fan X. , Li B. , Shen Q. , Miller A.J. , Xu G.
J. Exp. Bot. 2011 62(7) 2319-32
Spatial expression and regulation of rice high-affinity nitrate transporters by nitrogen and carbon status.
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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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Plett D., Toubia J., Garnett T., Tester M., Brent N Kaiser, Baumann U.
PLoS ONE 2010 5(12) e15289
Dichotomy in the NRT gene families of dicots and grass species.
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Katayama H., Mori M., Kawamura Y., Tanaka T., Mori M., Hasegawa H.
Breeding Science 2009 59(3) 237-243
Production and characterization of transgenic rice plants carrying a high-affinity nitrate transporter gene (OsNRT2.1)
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Araki R, Hasegawa H.
Breeding Science 2006 56(3) 295-302
Expression of Rice (Oryza sativa L.) Genes Involved in High-Affinity Nitrate Transport during the Period of Nitrate Induction
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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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nitrate assimilation( GO:0042128 )
response to starvation( GO:0042594 )
response to copper ion( GO:0046688 )
response to water( GO:0009415 )
aerenchyma formation( GO:0010618 )
response to nitrate( GO:0010167 )
ethylene biosynthetic process( GO:0009693 )
integral to membrane( GO:0016021 )
nitrate transmembrane transporter activity( GO:0015112 )
transmembrane transport( GO:0055085 )
response to water deprivation( GO:0009414 )
auxin polar transport( GO:0009926 )
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Trait Ontology
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grain yield( TO:0000396 )
total biomass yield( TO:0000457 )
tiller number( TO:0000346 )
water stress trait( TO:0000237 )
drought tolerance( TO:0000276 )
root length( TO:0000227 )
seminal root length( TO:0000586 )
copper sensitivity( TO:0000021 )
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Plant Ontology
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Related Strains
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Phenotype images
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Last updated
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Sep 29, 2025
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Update info.