Gene - Detail

Detail of Gene

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Basic Information
CGSNL Gene Symbol NAR2.1
Gene Symbol Synonym OsNAR2.1, OsNRT3.1A
Gene Name Synonym activator for NRT2, high-affinity nitrate transporter-activating element 2.1
Allele osnar2.1
Chromosome No. 2
Explanation Q6ZI50.OsNRT3.1A in Plett et al. 2010. GO:1902584: positive regulation of response to water deprivation. GO:1901698: response to nitrogen compound. TO:0020093: nitrogen content. TO:0020098: nitrate sensitivity. TO:0020100: nitrate uptake. TO:0000870: leaf yield trait. GO:1902025: nitrate import. GO:0071705: nitrogen compound transport.
Trait Class Biochemical character
Vegetative organ - Culm
Vegetative organ - Root
Tolerance and resistance - Stress tolerance
Character as QTL - Yield and productivity
Character as QTL - Plant growth activity
cDNA Accession No. CT837950
MSU ID LOC_Os02g38230.1
RAP ID Os02g0595900
Links Oryzabase Chromosome View ( IRGSP 1.0 / Build5 )
RAP-DB ( IRGSP 1.0 / Build5 )
Related IDs List ( IRGSP 1.0 / Build5 )
INSD Accession List
(Test version)
Link to INSD Accession List
Link map Classical linkage map
Iqbal M.F., Zhang Y., Kong P., Wang Y., Cao K., Zhao L., Xiao X., Fan X.
Front Plant Sci 2023  14  1133643
High-yielding nitrate transporter cultivars also mitigate methane and nitrous oxide emissions in paddy.
Zhang Y., Fan X., Wang Y., Kong P., Zhao L., Fan X., Zhang Y.
Front Plant Sci 2023  14  1093676
<i>OsNAR2.1</i> induced endogenous nitrogen concentration variation affects transcriptional expression of miRNAs in rice.
Alfatih A., Zhang J., Song Y., Jan S.U., Zhang Z.S., Xia J.Q., Zhang Z.Y., Nazish T., Wu J., Zhao P.X., Xiang C.B.
Plant Commun 2022    100458
Nitrate-responsive OsMADS27 promotes salt tolerance in rice.
Fan X., Chen J., Wu Y., Teo C., Xu G., Fan X.
Int J Mol Sci 2020  21(5) 
Genetic and Global Epigenetic Modification, Which Determines the Phenotype of Transgenic Rice?
Song M., Fan X., Chen J., Qu H., Luo L., Xu G.
Plant Physiol. 2020   
OsNAR2.1 interaction with OsNIT1 and OsNIT2 functions in root-growth responses to nitrate and ammonium.
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.
Chen J., Liu X., Liu S., Fan X., Zhao L., Song M., Fan X., Xu G.
Front Plant Sci 2020  11  1245
Co-Overexpression of <i>OsNAR2.1</i> and <i>OsNRT2.3a</i> Increased Agronomic Nitrogen Use Efficiency in Transgenic Rice Plants.
Wang S., Chen A., Xie K., Yang X., Luo Z., Chen J., Zeng D., Ren Y., Yang C., Wang L., Feng H., López-Arredondo DL., Herrera-Estrella LR., Xu G.
Proc. Natl. Acad. Sci. U.S.A. 2020  117(28)  16649-16659
Functional analysis of the OsNPF4.5 nitrate transporter reveals a conserved mycorrhizal pathway of nitrogen acquisition in plants.
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.
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.
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.
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.
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.
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.
Liu X., Feng H., Huang D., Song M., Fan X., Xu G.
Sci Rep 2015  5  11950
Two short sequences in OsNAR2.1 promoter are necessary for fully activating the nitrate induced gene expression in rice roots.
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
Liu X., Huang D., Tao J., Anthony J Miller, Fan X., Xu G.
New Phytol. 2014  204(1)  74-80
Identification and functional assay of the interaction motifs in the partner protein OsNAR2.1 of the two-component system for high-affinity nitrate transport.
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.
Takayanagi S,Takagi Y,Araki R,Hasegawa H
J. Plant Res. 2011  124  305-9
High-affinity nitrate uptake by rice (Oryza sativa) coleoptiles.
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.
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.
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.
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.
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
Gramene ID -
Gene Ontology aerenchyma formation( GO:0010618 )
response to symbiotic fungus( GO:0009610 )
nitrogen utilization( GO:0019740 )
nitrate assimilation( GO:0042128 )
plasma membrane( GO:0005886 )
response to wounding( GO:0009611 )
response to nitrate( GO:0010167 )
nitrate transmembrane transporter activity( GO:0015112 )
response to water deprivation( GO:0009414 )
response to ammonium ion( GO:0060359 )
Trait Ontology leaf nitrogen content( TO:0000543 )
grain yield( TO:0000396 )
total biomass yield( TO:0000457 )
drought tolerance( TO:0000276 )
chlorophyll content( TO:0000495 )
photosynthetic rate( TO:0001015 )
water use efficiency( TO:0001017 )
relative water content( TO:0000136 )
lateral root number( TO:0001013 )
nitrogen sensitivity( TO:0000011 )
root dry weight( TO:0000078 )
plant height( TO:0000207 )
seed set percent( TO:0000455 )
tiller number( TO:0000346 )
growth and development trait( TO:0000357 )
plant dry weight( TO:0000352 )
grain yield per panicle( TO:0000450 )
filled grain number( TO:0000447 )
grain yield per plant( TO:0000449 )
Plant Ontology -
Related Strains
Phenotype images
Last updated
Jun 22, 2023