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Basic Information
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CGSNL Gene Symbol
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CKX1
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Gene Symbol Synonym
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OsCKX1
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CGSNL Gene Name
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CYTOKININ OXIDASE/DEHYDROGENASE 1
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Gene Name Synonym
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cytokinin oxidase 1
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Protein Name
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CYTOKININ OXIDASE/DEHYDROGENASE 1
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Allele
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osckx1
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Chromosome No.
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1
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Explanation
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Q0JQ12. BGIOSGA002233. GO:1901698: response to nitrogen compound. GO:1902347: response to strigolactone.
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Trait Class
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Biochemical character
Seed - Morphological traits - Embryo
Seed - Physiological traits - Storage substances
Tolerance and resistance - Stress tolerance
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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AK109624
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MSU ID
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LOC_Os01g09260.1
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RAP ID
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Os01g0187600
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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 S., Peng J., Zhang W., Liu J.
BMC Plant Biol. 2025 25(1) 880
Transcriptome and metabolome analyses reveal new insights into the regulatory mechanism of early embryoless seed development in rice.
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Ku W., Su Y., Peng X., Wang R., Li H., Xiao L.
Plants (Basel) 2024 13(6)
Comparative Transcriptome Analysis Reveals Inhibitory Roles of Strigolactone in axillary bud Outgrowth in Ratoon Rice.
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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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Shi Y., Jiang N., Wang M., Du Z., Chen J., Huang Y., Li M., Jin Y., Li J., Wan J., Jin X., Zhang L., Huang J.
Front Plant Sci 2023 14 1183445
<i>OsHIPP17</i> is involved in regulating the tolerance of rice to copper stress.
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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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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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Sun P., Zhang W., Wang Y., He Q., Shu F., Liu H., Wang J., Wang J., Yuan L., Deng H.
J Integr Plant Biol 2016
OsGRF4 controls grain shape, panicle length and seed shattering 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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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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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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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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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 starvation( GO:0042594 )
cytokinin catabolic process( GO:0009823 )
embryonic development ending in seed dormancy( GO:0009793 )
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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 )
cytokinin content( TO:0002660 )
chalky endosperm( TO:0000266 )
embryo development trait( TO:0000620 )
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Plant Ontology
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root( PO:0009005 )
plant embryo stage( PO:0007631 )
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Related Strains
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Phenotype images
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Last updated
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Nov 26, 2025
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Update info.