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Basic Information
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CGSNL Gene Symbol
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CKX4
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Gene Symbol Synonym
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OsCKX4, ckx4, OsSCRM, OsSCRM2, SCRM, SCRM2
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CGSNL Gene Name
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CYTOKININ OXIDASE/DEHYDROGENASE 4
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Gene Name Synonym
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Putative cytokinin dehydrogenase 4, cytokinin oxidase 4
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Protein Name
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CYTOKININ OXIDASE/DEHYDROGENASE 4
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Allele
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osckx4, osckx4-m1, osckx4-m3
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Chromosome No.
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1
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Explanation
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BF889461. Q5JLP4. GO:1901698: response to nitrogen compound. GO:0090548: response to nitrate starvation. TO:0020098: nitrate sensitivity. GO:1902347: response to strigolactone. TO:0000975: grain width.
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Trait Class
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Biochemical character
Tolerance and resistance - Disease resistance
Tolerance and resistance - Stress tolerance
Vegetative organ - Root
Vegetative organ - Culm
Seed - Morphological traits - Grain shape
Character as QTL - Yield and productivity
Character as QTL - Grain quality
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Expression
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Sequence/Locus
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cDNA Accession No.
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AK121317
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MSU ID
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LOC_Os01g71310.1
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RAP ID
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Os01g0940000
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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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Zheng X., Zhang S., Liang Y., Zhang R., Liu L., Qin P., Zhang Z., Wang Y., Zhou J., Tang X., Zhang Y.
Plant Genome 2023 e20283
Loss-function mutants of OsCKX gene family based on CRISPR-Cas systems revealed their diversified roles in rice.
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Lu J., Jiang Z., Chen J., Xie M., Huang W., Li J., Zhuang C., Liu Z., Zheng S.
Plant Physiol. 2023
SET DOMAIN GROUP 711-mediated H3K27me3 methylation of cytokinin metabolism genes regulates organ size in rice.
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Cui J., Nishide N., Mashiguchi K., Kuroha K., Miya M., Sugimoto K., Itoh J.I., Yamaguchi S., Izawa T.
Nat Commun 2023 14(1) 3191
Fertilization controls tiller numbers via transcriptional regulation of a MAX1-like gene in rice cultivation.
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Zha M., Zhao Y., Wang Y., Chen B., Tan Z.
Front Plant Sci 2022 13 837136
Strigolactones and Cytokinin Interaction in Buds in the Control of Rice Tillering.
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Yang G., Wei X., Fang Z.
Front Plant Sci 2022 13 900262
Melatonin Mediates axillary bud Outgrowth by Improving Nitrogen Assimilation and Transport in Rice.
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Huangfu L., Chen R., Lu Y., Zhang E., Miao J., Zuo Z., Zhao Y., Zhu M., Zhang Z., Li P., Xu Y., Yao Y., Liang G., Xu C., Zhou Y., Yang Z.
Plant Biotechnol. J. 2022
OsCOMT, encoding a caffeic acid O-methyltransferase in melatonin biosynthesis, increases rice grain yield through dual regulation of leaf senescence and vascular development.
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Wang H., Tong X., Tang L., Wang Y., Zhao J., Li Z., Liu X., Shu Y., Yin M., Adegoke T.V., Liu W., Wang S., Xu H., Ying J., Yuan W., Yao J., Zhang J.
Plant Physiol. 2022 188(1) 460-476
RLB (RICE LATERAL BRANCH) recruits PRC2-mediated H3K27 tri-methylation on OsCKX4 to regulate lateral branching.
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Verma R.K., Kumar V.V.S., Yadav S.K., Kumar T.S., Rao M.V., Chinnusamy V.
Plant Signal Behav 2020 15(11) 1814547
Overexpression of Arabidopsis <i>ICE1</i> enhances yield and multiple abiotic stress tolerance in indica rice.
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Mao C., He J., Liu L., Deng Q., Yao X., Liu C., Qiao Y., Li P., Ming F.
Plant Biotechnol. J. 2020 18(2) 429-442
OsNAC2 integrates auxin and cytokinin pathways to modulate rice root development.
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Duan J., Yu H., Yuan K., Liao Z., Meng X., Jing Y., Liu G., Chu J., Li J.
Proc. Natl. Acad. Sci. U.S.A. 2019 116(28) 14319-14324
Strigolactone promotes cytokinin degradation through transcriptional activation of <i>CYTOKININ OXIDASE/DEHYDROGENASE 9</i> in rice.
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Zhou J., Li Z., Xiao G., Zhai M., Pan X., Huang R., Zhang H.
J. Exp. Bot. 2019
OsCYP71D8L as a key regulator involved in growth and stress response by mediating gibberellins homeostasis in rice.
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Yang J., Cho L.H., Yoon J., Yoon H., Wai A.H., Hong W.J., Han M., Sakakibara H., Liang W., Jung K.H., Jeon J.S., Koh H.J., Zhang D., An G.
Plant Biotechnol. J. 2018
Chromatin interacting factor OsVIL2 increases biomass and rice grain yield.
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Lu K., Wu B., Wang J., Zhu W., Nie H., Qian J., Huang W., Fang Z.
Plant Biotechnol. J. 2018
Blocking amino acid transporter OsAAP3 improves grain yield by promoting outgrowth buds and increasing tiller number in rice.
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Ahmed M.M.S., Ji W., Wang M., Bian S., Xu M., Wang W., Zhang J., Xu Z., Yu M., Liu Q., Zhang C., Zhang H., Tang S., Gu M., Yu H.
Gene 2017
Transcriptional changes of rice in response to rice black-streaked dwarf virus.
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Rao Y., Yang Y., Xu J., Li X., Leng Y., Dai L., Huang L., Shao G., Ren D., Hu J., Guo L., Pan J., Zeng D.
Plant Physiol. 2015
EARLY SENESCENCE 1 Encodes a SCAR-like Protein2 that Affects Water Loss in Rice.
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Xu J., Zha M., Li Y., Ding Y., Chen L., Ding C., Wang S.
Plant Cell Rep. 2015 34(9) 1647-62
The interaction between nitrogen availability and auxin, cytokinin, and strigolactone in the control of shoot branching in rice (Oryza sativa L.).
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Liu X., Zhou S., Wang W., Ye Y., Zhao Y., Xu Q., Zhou C., Tan F., Cheng S., Zhou D.X.
Plant Cell 2015 27(5) 1428-44
Regulation of histone methylation and reprogramming of gene expression in the rice inflorescence meristem.
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Du H., Chang Y., Huang F., Xiong L.
J Integr Plant Biol 2014
gid1 modulates stomatal response and submergence tolerance involving ABA and GA signaling in rice.
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Gao S., Fang J., Xu F., Wang W., Sun X., Chu J., Cai B., Feng Y., Chu C.
Plant Physiol. 2014 165(3) 1035-1046
CYTOKININ OXIDASE/DEHYDROGENASE4 Integrates Cytokinin and Auxin Signaling to Control Rice crown root Formation.
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Tsai Y.C., Weir N.R., Hill K., Zhang W., Kim H.J., Shiu S.H., Schaller G.E., Kieber J.J.
Plant Physiol. 2012 158(4) 1666-84
Characterization of genes involved in cytokinin signaling and metabolism from rice.
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Hirose,N., Makita,N., Kojima,M., Kamada-Nobusada,T. and Sakakibara,H.
Plant Cell Physiol. 2007 48(3) 523-539
Overexpression of a type-a response regulator alters rice morphology and cytokinin metabolism.
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Ashikari,M., Sakakibara,H., Lin,S., Yamamoto,T., Takashi,T., Nishimura,A., Angeles,E.R., Qian,Q., Kitano,H. and Matsuoka,M.
Science 2005 309(5735) 741-745
Cytokinin oxidase regulates rice grain production.
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L Xiong, M W Lee, M Qi, Y Yang
Mol. Plant Microbe Interact. 2001 14(5) 685-92
Identification of defense-related rice genes by suppression subtractive hybridization and differential screening.
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DB Reference
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Gramene ID
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GR:0020053
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Ontologies
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Gene Ontology
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cytokinin catabolic process( GO:0009823 )
root development( GO:0048364 )
auxin mediated signaling pathway( GO:0009734 )
cytokinin mediated signaling( GO:0009736 )
response to starvation( GO:0042594 )
secretion by cell( GO:0032940 )
cytoplasmic membrane-bounded vesicle( GO:0016023 )
electron transport chain( GO:0022900 )
oxidoreductase activity( GO:0016491 )
cytokinin dehydrogenase activity( GO:0019139 )
extracellular space( GO:0005615 )
UDP-N-acetylmuramate dehydrogenase activity( GO:0008762 )
cytokinin metabolic process( GO:0009690 )
FAD binding( GO:0050660 )
response to hormone stimulus( GO:0009725 )
response to auxin stimulus( GO:0009733 )
response to cytokinin stimulus( GO:0009735 )
response to jasmonic acid stimulus( GO:0009753 )
defense response to virus( GO:0051607 )
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Trait Ontology
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nitrogen sensitivity( TO:0000011 )
cytokinin sensitivity( TO:0000167 )
auxin sensitivity( TO:0000163 )
plant growth hormone sensitivity( TO:0000401 )
jasmonic acid sensitivity( TO:0000172 )
viral disease resistance( TO:0000148 )
black streak dwarf virus resistance( TO:0000020 )
root development trait( TO:0000656 )
crown root number( TO:0002685 )
plant height( TO:0000207 )
tiller number( TO:0000346 )
seed set percent( TO:0000455 )
grain length( TO:0000734 )
grain width( TO:0000402 )
1000-seed weight( TO:0000382 )
grain yield per plant( TO:0000449 )
germination rate( TO:0000430 )
seedling height( TO:0000019 )
cytokinin content( TO:0002660 )
root length( TO:0000227 )
panicle size( TO:0006032 )
spikelet number( TO:0000456 )
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Plant Ontology
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root development stage( PO:0007520 )
leaf( PO:0025034 )
root( PO:0009005 )
inflorescence branch meristem( PO:0009105 )
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Related Strains
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Phenotype images
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Last updated
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Mar 10, 2025
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