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Basic Information
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CGSNL Gene Symbol
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OSK1
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Gene Symbol Synonym
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osk1, SnRK1A, OsSnRK1A, OsSNRK1a, SnRK1A/OSK1, SnRK1a, OsSnRK1.2, SnRK1.2, OsSnRK1alphaA, SnRK1alphaA
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CGSNL Gene Name
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PROTEIN KINASE 1
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Gene Name Synonym
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protein kinase 1, SnRK1A protein kinase, sucrose non-fermenting-1 related protein kinase 1a, SNF1-Related Protein Kinase 1A
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Protein Name
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PROTEIN KINASE 1
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Allele
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snrk1a, snrk1a-1, snrk1a-2, snrk1alphaa, ossnrk1a, ossnrk1a-1, ossnrk1a-2, ossnrk1a-3, snrk1a-c, snrk1a-c2, snrk1a-c3
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Chromosome No.
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5
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Explanation
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D82039. AB101655. GO:0080151: positive regulation of salicylic acid mediated signaling pathway. GO:1900426: positive regulation of defense response to bacterium. GO:0097009: energy homeostasis. GO:0090549: response to carbon starvation. PO:0030123: panicle inflorescence. GO:0090693: plant organ senescence. TO:0001041: root yield. GO:2000280: regulation of root development. GO:0140426: PAMP-triggered immunity signalling pathway. TO:0000949: seedling growth and development trait.
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Trait Class
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Seed - Physiological traits - Dormancy
Tolerance and resistance - Stress tolerance
Tolerance and resistance - Disease resistance
Biochemical character
Seed
Character as QTL - Plant growth activity
Character as QTL - Germination
Vegetative organ - Culm
Vegetative organ - Root
Reproductive organ - Pollination, fertilization, fertility
Seed - Morphological traits - Grain shape
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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AK069613
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MSU ID
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LOC_Os05g45420.1
LOC_Os05g45420.2
LOC_Os05g45420.3
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RAP ID
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Os05g0530500
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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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Liu C., Liu L., Liang Y., Li Y., Liu Y., Dai J., Sun Q., Qu X., Li N.
BMC Plant Biol. 2025 26(1) 134
A multi-layered regulatory model uncovers the central role of OsPRR37 in coordinating multiple agronomic traits.
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Cao Y., Lu M., Chen J., Li W., Wang M., Chen F.
Plants (Basel) 2024 13(5)
Identification of OsSnRK1a-1 Regulated Genes Associated with Rice Immunity and Seed Set.
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Wang J., Zhu R., Meng Q., Qin H., Quan R., Wei P., Li X., Jiang L., Huang R.
Plant Biotechnol. J. 2024
A natural variation in OsDSK2a modulates plant growth and salt tolerance through phosphorylation by SnRK1A in rice.
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Hu Y., Lin Y., Bai J., Xu X., Wang Z., Ding C., Ding Y., Chen L.
J. Exp. Bot. 2024 75(10) 2917-2932
AMPK activator 991 specifically activates SnRK1 and thereby affects seed germination in rice.
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Liu J., Nie B., Yu B., Xu F., Zhang Q., Wang Y., Xu W.
Plant Biotechnol. J. 2023 21(8) 1590-1610
Rice ubiquitin-conjugating enzyme OsUbc13 negatively regulates immunity against pathogens by enhancing the activity of OsSnRK1a.
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Wang K., Li M., Zhang B., Chang Y., An S., Zhao W.
Plant Biotechnol. J. 2023
Sugar starvation activates the OsSnRK1a-OsbHLH111/OsSGI1-OsTPP7 module to mediate growth inhibition of rice.
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Son S., Im J.H., Song G., Park S.R.
Plants (Basel) 2022 11(10)
SNF1-Related protein kinase 1 Activity Represses the Canonical Translational Machinery.
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Pathak B., Maurya C., Faria M.C., Alizada Z., Nandy S., Zhao S., Jamsheer K M., Srivastava V.
Plants (Basel) 2022 11(11)
Targeting TOR and SnRK1 Genes in Rice with CRISPR/Cas9.
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Li Z., Wei X., Tong X., Zhao J., Liu X., Wang H., Tang L., Shu Y., Li G., Wang Y., Ying J., Jiao G., Hu H., Hu P., Zhang J.
Mol Plant 2022 15(4) 706-722
The OsNAC23-Tre6P-SnRK1a feed-forward loop regulates sugar homeostasis and grain yield in rice.
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Jiang Z., Chen Q., Chen L., Yang H., Zhu M., Ding Y., Li W., Liu Z., Jiang Y., Li G.
Front Plant Sci 2021 12 732867
Efficiency of Sucrose to Starch Metabolism Is Related to the Initiation of Inferior Grain Filling in Large Panicle Rice.
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Zhao J., Li W., Sun S., Peng L., Huang Z., He Y., Wang Z.
Int J Mol Sci 2021 22(4)
The Rice Small Auxin-Up RNA Gene <i>OsSAUR33</i> Regulates Seed Vigor via Sugar Pathway during Early Seed Germination.
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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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Ma Y., Zhao J., Fu H., Yang T., Dong J., Yang W., Chen L., Zhou L., Wang J., Liu B., Zhang S., Edwards D.
Rice (N Y) 2021 14(1) 76
Genome-Wide Identification, Expression and Functional Analysis Reveal the Involvement of FCS-like zinc finger Gene Family in Submergence Response in Rice.
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Yu P., Jiang N., Fu W., Zheng G., Li G., Feng B., Chen T., Ma J., Li H., Tao L., Fu G.
Rice (N Y) 2020 13(1) 23
ATP Hydrolysis Determines cold tolerance by Regulating Available Energy for Glutathione Synthesis in Rice Seedling Plants.
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Filipe O., De Vleesschauwer D., Haeck A., Demeestere K., Höfte M.
Sci Rep 2018 8(1) 3864
The energy sensor OsSnRK1a confers broad-spectrum disease resistance 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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Liu X., Li X., Zhang C., Dai C., Zhou J., Ren C., Zhang J.
Physiol Plant 2016
phosphoenolpyruvate carboxylase regulation in C4-PEPC-expressing transgenic rice during early responses to drought stress.
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Lin C.R.a b, Lee K.W.b, Chen C.Y.b, Hong Y.F.b, Chen J.L.b, Lu C.A.c, Chen K.T.b, David Ho T.H.d e f, Yu S.M.a b e f
Plant Cell 2014 26 808-827
SnRK1A-interacting negative regulators modulate the nutrient starvation signaling sensor SnRK1 in source-sink communication in cereal seedlings under abiotic stress
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Lu CA,Lin CC,Lee KW,Chen JL,Huang LF,Ho SL,Liu HJ,Hsing YI,Yu SM
Plant Cell 2007 19 2484-99
The SnRK1A protein kinase plays a key role in sugar signaling during germination and seedling growth of rice.
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Kanegae,H., Miyoshi,K., Hirose,T., Tsuchimoto,S., Mori,M., Nagato,Y. and Takano,M.
Plant Physiol. Biochem. 2005 43(7) 669-679
Expressions of rice sucrose non-fermenting-1 related protein kinase 1 genes are differently regulated during the caryopsis development.
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Takano,M., Kajiya-Kanegae,H., Funatsuki,H. and Kikuchi,S.
Mol. Gen. Genet. 1998 260(4) 388-394
Rice has two distinct classes of protein kinase genes related to SNF1 of Saccharomyces cerevisiae, which are differently regulated in early seed development.
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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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protein amino acid phosphorylation( GO:0006468 )
protein serine/threonine kinase activity( GO:0004674 )
ATP binding( GO:0005524 )
seed germination( GO:0009845 )
response to abiotic stimulus( GO:0009628 )
regulation of photoperiodism, flowering( GO:2000028 )
negative regulation of unidimensional cell growth( GO:0051511 )
seed maturation( GO:0010431 )
seed development( GO:0048316 )
negative regulation of translation( GO:0017148 )
reproductive process( GO:0022414 )
response to molecule of fungal origin( GO:0002238 )
gibberellin metabolic process( GO:0009685 )
sugar mediated signaling( GO:0010182 )
defense response to bacterium( GO:0042742 )
regulation of jasmonic acid biosynthetic process( GO:0080141 )
response to cold( GO:0009409 )
negative regulation of developmental process( GO:0051093 )
response to abscisic acid stimulus( GO:0009737 )
gibberellic acid homeostasis( GO:0010336 )
response to salt stress( GO:0009651 )
response to chitin( GO:0010200 )
jasmonic acid mediated signaling pathway( GO:0009867 )
response to starvation( GO:0042594 )
response to carbohydrate stimulus( GO:0009743 )
cytoplasm( GO:0005737 )
nucleus( GO:0005634 )
carbohydrate transport( GO:0008643 )
carbohydrate homeostasis( GO:0033500 )
circadian rhythm( GO:0007623 )
response to biotic stimulus( GO:0009607 )
activation of immune response( GO:0002253 )
response to absence of light( GO:0009646 )
respiratory burst during defense response( GO:0002679 )
callose deposition in cell wall during defense response( GO:0052544 )
negative regulation of growth( GO:0045926 )
cellular response to sucrose starvation( GO:0043617 )
response to nutrient levels( GO:0031667 )
signal transduction( GO:0007165 )
defense response to fungus( GO:0050832 )
salicylic acid mediated signaling pathway( GO:0009863 )
response to trehalose-6-phosphate stimulus( GO:0080094 )
positive regulation of seed germination( GO:0010030 )
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Trait Ontology
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yield trait( TO:0000371 )
seed development trait( TO:0000653 )
total biomass yield( TO:0000457 )
grain yield( TO:0000396 )
root length( TO:0000227 )
days to heading( TO:0000137 )
shoot fresh weight( TO:0000571 )
shoot dry weight( TO:0000552 )
abiotic stress trait( TO:0000168 )
seedling vigor( TO:0000280 )
fertility related trait( TO:0000420 )
seed set percent( TO:0000455 )
growth and development trait( TO:0000357 )
stem length( TO:0000576 )
biotic stress trait( TO:0000179 )
spikelet number( TO:0000456 )
light intensity sensitivity( TO:0000460 )
leaf yellowing tolerance( TO:0002664 )
jasmonic acid content( TO:0002668 )
relative shoot dry weight( TO:0000636 )
biomass yield( TO:0000327 )
nutrient sensitivity( TO:0000480 )
brown spot disease resistance( TO:0000356 )
gibberellic acid content( TO:0002675 )
internode length( TO:0000145 )
germination rate( TO:0000430 )
salt tolerance( TO:0006001 )
relative yield( TO:0000153 )
reproductive growth time( TO:0000366 )
sheath blight disease resistance( TO:0000255 )
bacterial blight disease resistance( TO:0000175 )
flowering time( TO:0002616 )
filled grain number( TO:0000447 )
carbon sensitivity( TO:0000001 )
grain size( TO:0000397 )
sucrose content( TO:0000328 )
carbohydrate content( TO:0000291 )
oligosaccharide content( TO:0006003 )
photosynthetic rate( TO:0001015 )
seed maturation( TO:0002661 )
cold tolerance( TO:0000303 )
blast disease( TO:0000074 )
plant height( TO:0000207 )
tiller number( TO:0000346 )
abscisic acid sensitivity( TO:0000615 )
seed dormancy( TO:0000253 )
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Plant Ontology
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seed maturation stage( PO:0007632 )
seed development stage( PO:0001170 )
plant callus( PO:0005052 )
leaf( PO:0025034 )
inflorescence( PO:0009049 )
reproductive shoot system( PO:0025082 )
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Related Strains
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Phenotype images
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Last updated
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Aug 1, 2026
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Update info.