Gene - Detail

Detail of Gene

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Basic Information
CGSNL Gene Symbol GN1A
Gene Symbol Synonym Gn1a, OsCKX2, CKX2, ckx2, Gn1a/OsCKX2, Os CKX2, CKX2/Gn1a
Gene Name Synonym Cytokinin oxidase/dehydrogenase 2, grain number 1a, cytokinin oxidase 2, Grain number 1a/Cytokinin oxidase 2, Grain number 1 a
Allele Gn1a-Habataki, Gn1a-5150, Gn1a-T1, Gn1a-T2, Gn1a-T3, Gn1a-type 3
Chromosome No. 1
Explanation AB205193. Q4ADV8. cytokinin oxidase/dehydrogenase. increase the number of reproductive organs. a negative regulator of grain number..
Trait Class Biochemical character
Reproductive organ - Inflorescence
Tolerance and resistance - Stress tolerance
Character as QTL - Yield and productivity
cDNA Accession No. AK243684
MSU ID LOC_Os01g10110.1
RAP ID Os01g0197700
Links Oryzabase Chromosome View ( IRGSP 1.0 / Build5 )
RAP-DB ( IRGSP 1.0 / Build5 )
Related IDs List ( IRGSP 1.0 / Build5 )
INSD Accession List
(Test version)
Link to INSD Accession List
Link map Classical linkage map
Yang X., Wang J., Dai Z., Zhao X., Miao X., Shi Z.
Rice (N Y) 2019  12(1)  40
miR156f integrates panicle architecture through genetic modulation of branch number and pedicel length pathways.
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.
Wang J., Wu B., Lu K., Wei Q., Qian J., Chen Y., Fang Z.
Plant Physiol. 2019  180(2)  1031-1045
The Amino Acid Permease 5 (OsAAP5) Regulates tiller number and grain yield in Rice.
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.
Huang Y., Bai X., Luo M., Xing Y.
J Integr Plant Biol 2018   
short panicle 3 controls panicle architecture by upregulating APO2/RFL and increasing cytokinin content in rice.
He Q., Yang L., Hu W., Zhang J., Xing Y.
Sci Rep 2018  8(1)  14051
Overexpression of an auxin receptor OsAFB6 significantly enhanced grain yield by increasing cytokinin and decreasing auxin concentrations in rice panicle.
Zhou J., Xin X., He Y., Chen H., Li Q., Tang X., Zhong Z., Deng K., Zheng X., Akher S.A., Cai G., Qi Y., Zhang Y.
Plant Cell Rep. 2018   
Multiplex QTL editing of grain-related genes improves yield in elite rice varieties.
Kim S.R., Ramos J.M., Hizon R.J.M., Ashikari M., Virk P.S., Torres E.A., Nissila E., Jena K.K.
Sci Rep 2018  8(1)  3833
Introgression of a functional epigenetic OsSPL14WFP allele into elite indica rice genomes greatly improved panicle traits and grain yield.
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.
Jiang S., Sun S., Bai L., Ding G., Wang T., Xia T., Jiang H., Zhang X., Zhang F.
PLoS ONE 2017  12(7)  e0181037
Resequencing and variation identification of whole genome of the japonica rice variety "Longdao24" with high yield.
Joshi R., Sahoo K.K., Tripathi A.K., Kumar R., Gupta B.K., Pareek A., Singla-Pareek SL.
Plant Cell Environ. 2017   
TKnockdown of an inflorescence meristem-specific cytokinin oxidase - OsCKX2 in rice reduces yield penalty under salinity stress condition.
Jin J., Hua L., Zhu Z., Tan L., Zhao X., Zhang W., Liu F., Fu Y., Cai H., Sun X., Gu P., Xie D., Sun C.
Plant Cell 2016  28(10)  2453-2463
GAD1 Encodes a Secreted Peptide That Regulates Grain Number, Grain Length, and Awn Development in Rice Domestication.
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.
Kim S.R., Ramos J., Ashikari M., Virk P.S., Torres E.A., Nissila E., Hechanova S.L., Mauleon R., Jena K.K.
Rice (N Y) 2016  9(1)  12
Development and validation of allele-specific SNP/indel markers for eight yield-enhancing genes using whole-genome sequencing strategy to increase yield potential of rice, Oryza sativa L.
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.
Peng Y., Gao Z., Zhang B., Liu C., Xu J., Ruan B., Hu J., Dong G., Guo L., Liang G., Qian Q.
Plant Cell Rep. 2014  33(11)  1843-50
Fine mapping and candidate gene analysis of a major QTL for panicle structure in rice.
Liang W., Shang F., Lin Q., Lou C., Zhang J.
Gene 2014  537(1)  1-5
Tillering and panicle branching genes in rice.
Jiang C.J., Shimono M., Sugano S., Kojima M., Liu X., Inoue H., Sakakibara H., Takatsuji H.
Mol. Plant Microbe Interact. 2013  26(3)  287-96
Cytokinins act synergistically with salicylic acid to activate defense gene expression in rice.
Li S., Zhao B., Yuan D., Duan M., Qian Q., Tang L., Wang B., Liu X., Zhang J., Wang J., Sun J., Liu Z., Feng Y.Q., Yuan L., Li C.
Proc. Natl. Acad. Sci. U.S.A. 2013  110(8)  3167-72
Rice zinc finger protein DST enhances grain production through controlling Gn1a/OsCKX2 expression.
Ikeda M., Miura K., Aya K., Kitano H., Matsuoka M.
Curr. Opin. Plant Biol. 2013  16(2)  213-20
Genes offering the potential for designing yield-related traits in rice.
Luo J., Liu H., Zhou T., Gu B., Huang X., Shangguan Y., Zhu J., Li Y., Zhao Y., Wang Y., Zhao Q., Wang A., Wang Z., Sang T., Wang Z., Han B.
Plant Cell 2013  25(9)  3360-76
An-1 encodes a basic helix-loop-helix protein that regulates awn development, grain size, and grain number in rice.
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.
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.
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.
TextPresso Search Search textpresso for GN1A ( Recent references may be retrievable, but without any warranty )
DB Reference
Gramene ID GR:0020051
Gene Ontology secretion by cell( GO:0032940 )
inflorescence development( GO:0010229 )
cytoplasmic membrane-bounded vesicle( GO:0016023 )
cytokinin dehydrogenase activity( GO:0019139 )
electron transport chain( GO:0022900 )
response to salt stress( GO:0009651 )
response to cytokinin stimulus( GO:0009735 )
Trait Ontology grain number( TO:0002759 )
inflorescence branching( TO:0000050 )
cytokinin content( TO:0002660 )
grain number per plant( TO:0000440 )
relative water content( TO:0000136 )
vegetative vigor( TO:0000296 )
photosynthetic ability( TO:0000316 )
harvest index( TO:0000128 )
cell membrane stability( TO:0000467 )
plant height( TO:0000207 )
chlorophyll content( TO:0000495 )
carotenoid content( TO:0000496 )
panicle number( TO:0000152 )
1000-seed weight( TO:0000382 )
inflorescence development trait( TO:0000621 )
spikelet number( TO:0000456 )
primary branching of inflorescence( TO:0000052 )
secondary branching of inflorescence( TO:0000142 )
grain weight( TO:0000590 )
salt tolerance( TO:0006001 )
grain yield( TO:0000396 )
cytokinin sensitivity( TO:0000167 )
Plant Ontology inflorescence meristem( PO:0000230 )
inflorescence development stage( PO:0001083 )
Related Strains
Phenotype images
Last updated
Feb 22, 2020