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Basic Information
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CGSNL Gene Symbol
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SAPK8
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Gene Symbol Synonym
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OsSAPK8, OsSnRK2.8, SnRK2.8
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CGSNL Gene Name
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STRESS/ABA-ACTIVATED PROTEIN KINASE 8
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Gene Name Synonym
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stress/ABA-activated protein kinase 8, Stress-Activated Protein Kinase 8, Sucrose nonfermenting-1-related protein kinase 2.8
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Protein Name
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STRESS/ABA-ACTIVATED PROTEIN KINASE 8
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Allele
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sapk8
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Chromosome No.
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3
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Explanation
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AB125309. Q7Y0B9. JF733766. SnRK2 protein kinase. GO:0090332: stomatal closure. TO:0020095: stomatal process related trait. TO:0001150: chilling stress response.
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Trait Class
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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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AK060479
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MSU ID
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LOC_Os03g55600.1
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RAP ID
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Os03g0764800
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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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Qin C., Fan X., Fang Q., Yu H., Ni L., Jiang M.
New Phytol. 2024 244(4) 1345-1361
Abscisic acid-induced H2O2 production positively regulates the activity of SAPK8/9/10 through oxidation of the type one protein phosphatase OsPP47.
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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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Wang Q., Shen T., Ni L., Chen C., Jiang J., Cui Z., Wang S., Xu F., Yan R., Jiang M.
Mol Plant 2023 16(5) 882-902
Phosphorylation of OsRbohB by the protein kinase OsDMI3 promotes H2O2 production to potentiate ABA responses 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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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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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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Sun S.J., Qi G.N., Gao Q.F., Wang H.Q., Yao F.Y., Hussain J., Wang Y.F.
Planta 2015
Protein kinase OsSAPK8 functions as an essential activator of S-type anion channel OsSLAC1, which is nitrate-selective in rice.
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Li C., Shen H., Wang T., Wang X.
Plant Cell Physiol. 2015 56(12) 2396-408
ABA Regulates Subcellular Redistribution of OsABI-LIKE2, a Negative Regulator in ABA Signaling, to Control Root Architecture and Drought Resistance in Oryza sativa.
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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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Kobayashi Y., Murata M., Minami H., Yamamoto S., Kagaya Y., Hobo T., Yamamoto A., Hattori T.
Plant J. 2005 44(6) 939-49
Abscisic acid-activated SNRK2 protein kinases function in the gene-regulation pathway of ABA signal transduction by phosphorylating ABA response element-binding factors.
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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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calcium-mediated signaling( GO:0019722 )
response to cold( GO:0009409 )
ATP binding( GO:0005524 )
protein serine/threonine kinase activity( GO:0004674 )
response to water deprivation( GO:0009414 )
stomatal movement( GO:0010118 )
response to abscisic acid stimulus( GO:0009737 )
abscisic acid mediated signaling( GO:0009738 )
response to salt stress( GO:0009651 )
cytoskeleton( GO:0005856 )
positive regulation of hydrogen peroxide biosynthetic process( GO:0010729 )
response to hydrogen peroxide( GO:0042542 )
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Trait Ontology
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salt tolerance( TO:0006001 )
grain weight( TO:0000590 )
panicle length( TO:0000040 )
1000-seed weight( TO:0000382 )
grain yield per plant( TO:0000449 )
plant height( TO:0000207 )
grain yield( TO:0000396 )
abscisic acid sensitivity( TO:0000615 )
drought tolerance( TO:0000276 )
cold tolerance( TO:0000303 )
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Plant Ontology
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leaf( PO:0025034 )
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Related Strains
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Phenotype images
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Last updated
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Jul 30, 2026
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Update info.