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Basic Information
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CGSNL Gene Symbol
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SAPK2
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Gene Symbol Synonym
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OsSAPK2, OsSnRK2.2, SnRK2.2
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CGSNL Gene Name
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STRESS/ABA-ACTIVATED PROTEIN KINASE 2
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Gene Name Synonym
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stress/ABA-activated protein kinase 2, Stress-Activated Protein Kinase 2, Sucrose nonfermenting-1-related protein kinase 2.2
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Protein Name
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STRESS/ABA-ACTIVATED PROTEIN KINASE 2
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Allele
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sapk2, sapk2-1, sapk2-7
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Chromosome No.
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7
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Explanation
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SnRK2 protein kinase. AB125303. Q0D4J7. A2YNT8.2 C22640. JF733760. TtPK1 (Triticum tauschii protein kinase 1 ) ortholog.
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Trait Class
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Seed - Physiological traits - Dormancy
Character as QTL - Yield and productivity
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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AK070965
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MSU ID
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LOC_Os07g42940.1
LOC_Os07g42940.2
LOC_Os07g42940.3
LOC_Os07g42940.4
LOC_Os07g42940.5
LOC_Os07g42940.6
LOC_Os07g42940.7
LOC_Os07g42940.8
LOC_Os07g42940.9
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RAP ID
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Os07g0622000
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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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Liu M., You Y., Chong K., Liu D.
BMC Plant Biol. 2025 25(1) 1697
Natural variations in the OsCPK9 promoter confer chilling tolerance in rice by stabilizing OsSAPK8 through phosphorylation.
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Miao J., Bu L., Tan W., Wang P., Li X., Li X., Chen C., Zhang K., Shen W., Gong Z., Bahetibieke G., Ren L., Liang G., Zhou Y.
Rice (N Y) 2024 17(1) 65
OsPP2C49, a Negative Regulatory Factor in the Abscisic Acid Signaling Pathway, Positively Regulates grain yield in Rice.
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Islam F., Khan M.S.S., Ahmed S., Abdullah M., Hannan F., Chen J.
Free Radic. Biol. Med. 2023 199 2-16
OsLPXC negatively regulates tolerance to cold stress via modulating oxidative stress, antioxidant defense and JA accumulation in rice.
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Yu T., Cen Q., Kang L., Mou W., Zhang X., Fang Y., Zhang X., Tian Q., Xue D.
Front Plant Sci 2022 13 1088281
Identification and expression pattern analysis of the <i>OsSnRK2</i> gene family in rice.
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Jadoon S., Qin Q., Shi W., Longfeng Y., Hou S.
Front Plant Sci 2022 13 990575
Rice protein phosphatase 1 regulatory subunits OsINH2 and OsINH3 participate actively in growth and adaptive responses under abscisic acid.
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Chen Z., Zhou L., Jiang P., Lu R., Halford N.G., Liu C.
BMC Genomics 2021 22(1) 300
Genome-wide identification of sucrose nonfermenting-1-related protein kinase (SnRK) genes in barley and RNA-seq analyses of their expression in response to abscisic acid treatment.
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To H.T.M., Le K.Q., Van Nguyen H., Duong L.V., Kieu H.T., Chu Q.A.T., Tran T.P., Mai N.T.P.
Physiol Mol Biol Plants 2020 26(11) 2267-2281
A genome-wide association study reveals the quantitative trait locus and candidate genes that regulate phosphate efficiency in a Vietnamese rice collection.
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Miao J., Li X., Li X., Tan W., You A., Wu S., Tao Y., Chen C., Wang J., Zhang D., Gong Z., Yi C., Yang Z., Gu M., Liang G., Zhou Y.
New Phytol. 2020 227(5) 1417-1433
OsPP2C09, a negative regulatory factor in abscisic acid signalling, plays an essential role in balancing plant growth and drought tolerance in rice.
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Yang S., Xu K., Chen S., Li T., Xia H., Chen L., Liu H., Luo L.
BMC Plant Biol. 2019 19(1) 260
A stress-responsive bZIP transcription factor OsbZIP62 improves drought and oxidative tolerance in rice.
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Liang J., Guo S., Sun B., Liu Q., Chen X., Peng H., Zhang Z., Xie Q.
Rice (N Y) 2018 11(1) 59
Constitutive expression of REL1 confers the rice response to drought stress and abscisic acid.
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Lou D., Wang H., Liang G., Yu D.
Front Plant Sci 2017 8 993
OsSAPK2 Confers Abscisic Acid Sensitivity and Tolerance to Drought Stress in Rice.
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Holappa L.D., Ronald P.C., Kramer E.M.
Front Plant Sci 2017 8 395
Evolutionary Analysis of Snf1-Related Protein Kinase2 (SnRK2) and Calcium Sensor (SCS) Gene Lineages, and Dimerization of Rice Homologs, Suggest Deep Biochemical Conservation across Angiosperms.
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Bhatnagar N., Min M.K., Choi E.H., Kim N., Moon S.J., Yoon I., Kwon T., Jung K.H., Kim B.G.
Plant Mol. Biol. 2016
The protein phosphatase 2C clade A protein OsPP2C51 positively regulates seed germination by directly inactivating OsbZIP10.
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Zong W., Tang N., Yang J., Peng L., Ma S., Xu Y., Li G., Xiong L.
Plant Physiol. 2016 171(4) 2810-25
Feedback Regulation of ABA Signaling and Biosynthesis by a bZIP Transcription Factor Targets Drought-Resistance-Related Genes.
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Kim N., Moon S.J., Min M.K., Choi E.H., Kim J.A., Koh E.Y., Yoon I., Byun M.O., Yoo S.D., Kim B.G.
Front Plant Sci 2015 6 614
Functional characterization and reconstitution of ABA signaling components using transient gene expression in rice protoplasts.
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Xu,M.R., Huang,L.Y., Zhang,F., Zhu,L.H., Zhou,Y.L. and Li,Z.K.
Plant Mol. Biol. Rep. 2013 31 877-885
Genome-Wide Phylogenetic Analysis of Stress-Activated Protein Kinase Genes in Rice (OsSAPKs) and Expression Profiling in Response to Xanthomonas oryzae pv. oryzicola Infection
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Tang N., Zhang H., Li X., Xiao J., Xiong L.
Plant Physiol. 2012 158(4) 1755-68
Constitutive Activation of Transcription Factor OsbZIP46 Improves drought tolerance in Rice.
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Kim H., Hwang H., Hong J.W., Lee Y.N., Ahn I.P., Yoon I.S., Yoo S.D., Lee S., Lee S.C., Kim B.G.
J. Exp. Bot. 2012 63(2) 1013-24
A rice orthologue of the ABA receptor, OsPYL/RCAR5, is a positive regulator of the ABA signal transduction pathway in seed germination and early seedling growth.
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Kobayashi,Y., Yamamoto,S., Minami,H., Kagaya,Y. and Hattori,T.
Plant Cell 2004 16(5) 1163-1177
Differential activation of the rice sucrose nonfermenting1-related protein kinase2 family by hyperosmotic stress and abscisic Acid.
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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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abscisic acid mediated signaling( GO:0009738 )
protein serine/threonine kinase activity( GO:0004674 )
ATP binding( GO:0005524 )
nucleus( GO:0005634 )
cytosol( GO:0005829 )
response to abscisic acid stimulus( GO:0009737 )
response to water deprivation( GO:0009414 )
response to salt stress( GO:0009651 )
response to osmotic stress( GO:0006970 )
seed dormancy( GO:0010162 )
seed germination( GO:0009845 )
cellular response to phosphate starvation( GO:0016036 )
response to starvation( GO:0042594 )
cytoskeleton( GO:0005856 )
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Trait Ontology
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abscisic acid sensitivity( TO:0000615 )
osmotic response sensitivity( TO:0000095 )
drought tolerance( TO:0000276 )
salt tolerance( TO:0006001 )
seed dormancy( TO:0000253 )
phosphorus sensitivity( TO:0000102 )
grain yield( TO:0000396 )
grain weight( TO:0000590 )
panicle length( TO:0000040 )
1000-seed weight( TO:0000382 )
grain yield per plant( TO:0000449 )
plant height( TO:0000207 )
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Plant Ontology
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0 seed germination stage( PO:0007057 )
root( PO:0009005 )
stem( PO:0009047 )
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Related Strains
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Phenotype images
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Last updated
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Sep 3, 2026
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Update info.