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Basic Information
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CGSNL Gene Symbol
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HKT4
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Gene Symbol Synonym
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OsHKT4, OsHKT1;1, HKT1;1, OsHKT2, RNC4, OsHKT1;1-FL, OsHKT1;1-V1, OsHKT1;1-V2, OsHKT1;1-V3, OsHKT1;1-V4, OsHKT1;1-V5, OsHKT1;1-V6, OsHKT1;1-V7, OsHKT1;1-V8
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CGSNL Gene Name
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HIGH-AFFINITY K+ TRANSPORTER 4
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Gene Name Synonym
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High-affinity K+ Transporter 4, Root Na+ Content 4
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Protein Name
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HIGH-AFFINITY K+ TRANSPORTER 4
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Allele
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oshkt1;1
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Chromosome No.
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4
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Explanation
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AJ491815, AJ491816. Q7XPF8. OsHKT2 in Tripathy et al. 2015. OsHKT1.1 in Prodjinoto et al. 2023, Wei et al. 2024, Wu et al. 2025. OsHKT1 in Huang et al. 2025. TO:1000041: root system sodium content. TO:0020004: shoot system sodium content.
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Trait Class
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Tolerance and resistance - Disease resistance
Tolerance and resistance - Stress tolerance
Biochemical character
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Expression
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Sequence/Locus
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cDNA Accession No.
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AK287508
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MSU ID
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LOC_Os04g51820.1
LOC_Os04g51820.2
LOC_Os04g51820.3
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RAP ID
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Os04g0607500
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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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-
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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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Wu J.S., Mu D.W., Feng N.J., Zheng D.F., Sun Z.Y., Khan A., Zhou H., Song Y.W., Liu J.X., Luo J.Q.
Plants (Basel) 2025 14(10)
Integrated Analyses Reveal the Physiological and Molecular Mechanisms of Brassinolide in Modulating salt tolerance in Rice.
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Huang Y., Chen H., Xie Z., Chen D., Chen M.
BMC Plant Biol. 2025 25(1) 800
Aptamer‑mediated modulation of eEF1 enhances salt stress tolerance in rice.
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Wei H., Wang X., Zhang Z., Yang L., Zhang Q., Li Y., He H., Chen D., Zhang B., Zheng C., Leng Y., Cao X., Cui Y., Shi C., Liu Y., Lv Y., Ma J., He W., Liu X., Xu Q., Yuan Q., Yu X., Wang T., Qian H., Li X., Zhang B., Zhang H., Chen W., Guo M., Dai X., Wang Y., Zheng X., Guo L., Xie X., Qian Q., Shang L.
Natl Sci Rev 2024 11(4) nwae043
Uncovering key salt-tolerant regulators through a combined eQTL and GWAS analysis using the super pan-genome in rice.
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Prodjinoto H., Irakoze W., Gandonou C., Quinet M., Lutts S.
PLoS ONE 2023 18(11) e0290752
Comparison between the impact of osmotic and NaCl treatments on the expression of genes coding for ion transporters in Oryza glaberrima Steud.
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Ge L., Guo H., Li X., Tang M., Guo C., Bao H., Huang L., Yi Y., Cui Y., Chen L.
Front Plant Sci 2022 13 863233
OsSIDP301, a Member of the DUF1644 Family, Negatively Regulates Salt Stress and grain size in Rice.
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Jing X., Song X., Cai S., Wang P., Lu G., Yu L., Zhang C., Wu Z.
Mol. Plant Pathol. 2022 23(8) 1107-1121
Overexpression of OsHAK5 potassium transporter enhances virus resistance in rice (Oryza sativa).
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Lv Y., Ma J., Wei H., Xiao F., Wang Y., Jahan N., Hazman M., Qian Q., Shang L., Guo L.
Front Plant Sci 2022 13 912637
Combining GWAS, Genome-Wide Domestication and a Transcriptomic Analysis Reveals the Loci and Natural Alleles of salt tolerance in Rice (<i>Oryza sativa</i> L.).
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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.
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Hussain S., Zhang R., Liu S., Li R., Zhou Y., Chen Y., Hou H., Dai Q.
Bioengineering (Basel) 2022 9(9)
Transcriptome-Wide Analysis Revealed the Potential of the High-Affinity Potassium Transporter (<i>HKT)</i> Gene Family in Rice Salinity Tolerance via Ion Homeostasis.
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Wang J., Liu Y., Hu S., Xu J., Nian J., Cao X., Chen M., Cen J., Liu X., Zhang Z., Liu D., Zhu L., Hu J., Ren D., Gao Z., Shen L., Dong G., Zhang Q., Li Q., Yu S., Qian Q., Zhang G.
Int J Mol Sci 2022 23(15)
<i>LEAF TIP RUMPLED 1</i> Regulates Leaf Morphology and salt tolerance in Rice.
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Farooq M., Park J.R., Jang Y.H., Kim E.G., Kim K.M.
Front Plant Sci 2021 12 680131
Rice Cultivars Under Salt Stress Show Differential Expression of Genes Related to the Regulation of Na+/K+ Balance.
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Ye S., Huang Z., Zhao G., Zhai R., Ye J., Wu M., Yu F., Zhu G., Zhang X.
Plants (Basel) 2021 10(11)
Differential Physiological Responses to Salt Stress between Salt-Sensitive and Salt-Tolerant <i>japonica</i> Rice Cultivars at the Post-Germination and Seedling Stages.
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Neang S., Goto I., Skoulding N.S., Cartagena J.A., Kano-Nakata M., Yamauchi A., Mitsuya S.
BMC Plant Biol. 2020 20(1) 502
Tissue-specific expression analysis of Na+ and Cl- transporter genes associated with salt removal ability in rice leaf sheath.
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Imran S., Horie T., Katsuhara M.
Plants (Basel) 2019 9(1)
Expression and Ion Transport Activity of Rice <i>OsHKT1;1</i> Variants.
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Fang C., Li K., Wu Y., Wang D., Zhou J., Liu X., Li Y., Jin C., Liu X., Mur L.A.J., Luo J.
Plant Cell Environ. 2019 42(5) 1503-1512
OsTSD2-mediated cell wall modification affects ion homeostasis and salt tolerance.
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Campbell M.T., Bandillo N., Al Shiblawi FRA., Sharma S., Liu K., Du Q., Schmitz A.J., Zhang C., Véry AA., Lorenz A.J., Walia H.
PLoS Genet. 2017 13(6) e1006823
Allelic variants of OsHKT1;1 underlie the divergence between indica and japonica subspecies of rice (Oryza sativa) for root sodium content.
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Wang R., Jing W., Xiao L., Jin Y., Shen L., Zhang W.
Plant Physiol. 2015 168(3) 1076-90
The Rice High-Affinity Potassium Transporter1;1 Is Involved in Salt Tolerance and Regulated by an MYB-Type Transcription Factor.
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Tripathy M.K., Tiwari B.S., Reddy M.K., Deswal R., Sopory S.K.
Protoplasma 2015
Ectopic expression of PgRab7 in rice plants (Oryza sativa L.) results in differential tolerance at the vegetative and seed setting stage during salinity and drought stress.
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Wang H., Zhang M., Guo R., Shi D., Liu B., Lin X., Yang C.
BMC Plant Biol. 2012 12 194
Effects of salt stress on ion balance and nitrogen metabolism of old and young leaves in rice (Oryza sativa L.).
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Yang C., Zhao N., Xu C., Liu B., Shi D.
Aust J Crop Sci 2012 6 724-731
Regulation of ion homeostasis in rice subjected to salt and alkali stresses
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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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Jabnoune M,Espeout S,Mieulet D,Fizames C,Verdeil JL,Conejero G,Rodriguez-Navarro A,Sentenac H,Guiderdoni E,Abdelly C,Very AA
Plant Physiol. 2009 150 1955-71
Diversity in expression patterns and functional properties in the rice HKT transporter family.
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Platten JD, Cotsaftis O, Berthomieu P, Bohnert H, Davenport RJ, Fairbairn DJ, Horie T, Leigh RA, Lin HX, Luan S, Maser P, Pantoja O, Rodriguez-Navarro A, Schachtman DP, Schroeder JI, Sentenac H, Uozumi N, Very AA, Zhu JK, Dennis ES, Tester M.
Trends Plant Sci. 2006 11(8) 372-4.
Nomenclature for HKT transporters, key determinants of plant salinity tolerance.
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Garciadeblas,B., Senn,M.E., Banuelos,M.A. and Rodriguez-Navarro,A.
Plant J. 2003 34(6) 788-801
Sodium transport and HKT transporters: the rice model.
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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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response to osmotic stress( GO:0006970 )
response to brassinosteroid stimulus( GO:0009741 )
plasma membrane( GO:0005886 )
potassium ion homeostasis( GO:0055075 )
defense response to virus( GO:0051607 )
potassium ion transport( GO:0006813 )
sodium ion transport( GO:0006814 )
potassium ion transmembrane transporter activity( GO:0015079 )
potassium ion binding( GO:0030955 )
cation transmembrane transporter activity( GO:0008324 )
integral to membrane( GO:0016021 )
response to salt stress( GO:0009651 )
response to water deprivation( GO:0009414 )
sodium ion binding( GO:0031402 )
transmembrane transport( GO:0055085 )
sodium ion homeostasis( GO:0055078 )
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Trait Ontology
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salt tolerance( TO:0006001 )
drought tolerance( TO:0000276 )
sodium content( TO:0000608 )
rice grassy stunt 1 and 2 virus resistance( TO:0000213 )
brassinosteroid sensitivity( TO:0002677 )
osmotic response sensitivity( TO:0000095 )
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Plant Ontology
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root( PO:0009005 )
shoot system( PO:0009006 )
leaf sheath( PO:0020104 )
anther( PO:0009066 )
lemma( PO:0009037 )
palea( PO:0009038 )
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Related Strains
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Phenotype images
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Last updated
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Jan 11, 2026
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Update info.