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Detail of Gene

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Basic Information
CGSNL Gene Symbol TOC1
Gene Symbol Synonym OsTOC1, OsPRR1, Os-PRR1, PRR1, OsRRA21, OsCCT07
Gene Name Synonym Two-component response regulator-like PRR1, Pseudo-response regulator 1, A-type RR 21, CCT domain-containing gene 7, CCT (CO, CO-LIKE and TOC1) domain protein 7, CCT domain protein 7
Allele osprr1, Ostoc1, Ostoc1-1, Ostoc1-2
Chromosome No. 2
Explanation Q689G9, AB189038. circadian clock-related gene. a rice ortholog of Arabidopsis gene for circadian clock component. a rice ortholog of the Arabidopsis TOC1/PRR1 gene. GO:2000028: regulation of photoperiodism, flowering.
Trait Class Vegetative organ - Culm
Reproductive organ - Heading date
Tolerance and resistance - Disease resistance
cDNA Accession No. AK111828
MSU ID LOC_Os02g40510.1
RAP ID Os02g0618200
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
Li J., Qiu J.X., Zeng Q.H., Yi Zhuang, Zhang N., Xu S.X., Jin J., Dong Z.C., Chen L., Huang W.
Cell Rep 2023  42(7)  112765
OsTOC1 plays dual roles in the regulation of plant circadian clock by functioning as a direct transcription activator or repressor.
Wei H., Wang X., He Y., Xu H., Wang L.
EMBO J. 2021  40(3)  e105086
Clock component OsPRR73 positively regulates rice salt tolerance by modulating OsHKT2;1-mediated sodium homeostasis.
Liang L., Zhang Z., Cheng N., Liu H., Song S., Hu Y., Zhou X., Zhang J., Xing Y.
Plant Cell Environ. 2021  44(3)  842-855
The transcriptional repressor OsPRR73 links circadian clock and photoperiod pathway to control heading date in rice.
Sun C., Zhang K., Zhou Y., Xiang L., He C., Zhong C., Li K., Wang Q., Yang C., Wang Q., Chen C., Chen D., Wang Y., Liu C., Yang B., Wu H., Chen X., Li W., Wang J., Xu P., Wang P., Fang J., Chu C., Deng X.
Plant Biotechnol. J. 2021  19(8)  1644-1657
Dual function of clock component OsLHY sets critical day length for photoperiodic flowering in rice.
Zhang J., Fan X., Hu Y., Zhou X., He Q., Liang L., Xing Y.
J Integr Plant Biol 2020   
Global analysis of CCT family knockout mutants identifies four genes involved in regulating heading date in rice.
Wang F., Han T., Song Q., Ye W., Song X., Chu J., Li J., Chen Z.J.
Plant Cell 2020  32(10)  3124-3138
The Rice Circadian Clock Regulates Tiller Growth and Panicle Development Through Strigolactone Signaling and Sugar Sensing.
Zhu C., Peng Q., Fu D., Zhuang D., Yu Y., Duan M., Xie W., Cai Y., Ouyang Y., Lian X., Wu C.
Plant Cell 2018  30(10)  2352-2367
The E3 Ubiquitin Ligase HAF1 Modulates Circadian Accumulation of EARLY FLOWERING3 to Control heading date in Rice under Long-Day Conditions.
Zhang K., Xu W., Wang C., Yi X., Su Z.
Plant Signal Behav 2017  12(3)  e1286438
Differential deposition of H2A.Z in rice seedling tissue during the day-night cycle.
Bai B., Zhao J., Li Y., Zhang F., Zhou J., Chen F., Xie X.
Plant Sci. 2016  247  25-34
OsBBX14 delays heading date by repressing florigen gene expression under long and short-day conditions in rice.
Matsuzaki J., Kawahara Y., Izawa T.
Plant Cell 2015  27(3)  633-48
Punctual Transcriptional Regulation by the Rice Circadian Clock under Fluctuating Field Conditions.
Zhang L., Li Q., Dong H., He Q., Liang L., Tan C., Han Z., Yao W., Li G., Zhao H., Xie W., Xing Y.
Sci Rep 2015  5  7663
Three CCT domain-containing genes were identified to regulate heading date by candidate gene-based association mapping and transformation in rice.
Yang Y., Peng Q., Chen G.X., Li X.H., Wu C.Y.
Mol Plant 2013  6(1)  202-15
OsELF3 is Involved in Circadian Clock Regulation for Promoting Flowering under Long-Day Conditions in Rice.
Cockram J., Thiel T., Steuernagel B., Stein N., Taudien S., Paul C Bailey, Donal M O'Sullivan
PLoS ONE 2012  7(9)  e45307
Genome dynamics explain the evolution of flowering time CCT domain gene families in the Poaceae.
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.
Izawa T.
Plant Cell Environ. 2012  35(10)  1729-41
Physiological significance of the plant circadian clock in natural field conditions.
Zhao J., Huang X., Ouyang X., Chen W., Du A., Zhu L., Wang S., Deng X.W., Li S.
PLoS ONE 2012  7(8)  e43705
OsELF3-1, an Ortholog of Arabidopsis EARLY FLOWERING 3, Regulates Rice Circadian Rhythm and Photoperiodic Flowering.
Zhao X.L., Shi Z.Y., Peng L.T., Shen G.Z., Zhang J.L.
N Biotechnol 2011  28(6)  788-97
An atypical HLH protein OsLF in rice regulates flowering time and interacts with OsPIL13 and OsPIL15.
Izawa T. , Mihara M. , Suzuki Y. , Gupta M. , Itoh H. , Nagano A.J. , Motoyama R. , Sawada Y. , Yano M. , Hirai M.Y. , Makino A. , Nagamura Y.
Plant Cell 2011  23(5)  1741-55
Os-GIGANTEA Confers Robust Diurnal Rhythms on the Global Transcriptome of Rice in the Field.
Wang W., Liu Z., Guo Z., Song G., Cheng Q., Jiang D., Zhu Y., Yang D.
BMC Genomics 2011  12  462
Comparative transcriptomes profiling of photoperiod-sensitive male sterile rice Nongken 58S during the male sterility transition between short-day and long-day.
Ogiso E,Takahashi Y,Sasaki T,Yano M,Izawa T
Plant Physiol. 2010  152(2)  808-20
The role of casein kinase II in flowering time regulation has diversified during evolution.
Nakamura Y,Kato T,Yamashino T,Murakami M,Mizuno T
Biosci. Biotechnol. Biochem. 2007  71  1183-91
Characterization of a set of phytochrome-interacting factor-like bHLH proteins in Oryza sativa.
Murakami M, Tago Y, Yamashino T, Mizuno T.
Plant Cell Physiol. 2007  48(1)  110-21
Comparative Overviews of Clock-Associated Genes of Arabidopsis thaliana and Oryza sativa.
Pareek A, Singh A, Kumar M, Kushwaha HR, Lynn AM, Singla-Pareek SL.
Plant Physiol. 2006  142(2)  380-97
Whole-genome analysis of Oryza sativa reveals similar architecture of two-component signaling machinery with Arabidopsis.
Murakami,M., Matsushika,A., Ashikari,M., Yamashino,T. and Mizuno,T.
Biosci. Biotechnol. Biochem. 2005  69(2)  410-414
Circadian-Associated Rice Pseudo Response Regulators (OsPRRs): Insight into the Control of Flowering Time.
Murakami,M., Ashikari,M., Miura,K., Yamashino,T. and Mizuno,T.
Plant Cell Physiol. 2003  44(11)  1229-1236
The evolutionarily conserved OsPRR quintet: rice pseudo-response regulators implicated in circadian rhythm.
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DB Reference
Gramene ID -
Gene Ontology negative regulation of transcription, DNA-dependent( GO:0045892 )
positive regulation of transcription, DNA-dependent( GO:0045893 )
photoperiodism, flowering( GO:0048573 )
positive regulation of defense response( GO:0031349 )
two-component response regulator activity( GO:0000156 )
nucleus( GO:0005634 )
transcription( GO:0006350 )
regulation of transcription, DNA-dependent( GO:0006355 )
rhythmic process( GO:0048511 )
two-component signal transduction system (phosphorelay)( GO:0000160 )
circadian rhythm( GO:0007623 )
regulation of circadian rhythm( GO:0042752 )
Trait Ontology tiller number( TO:0000346 )
tillering ability( TO:0000329 )
disease resistance( TO:0000112 )
days to heading( TO:0000137 )
flowering time( TO:0002616 )
plant height( TO:0000207 )
Plant Ontology leaf( PO:0025034 )
shoot system( PO:0009006 )
inflorescence( PO:0009049 )
plant embryo( PO:0009009 )
endosperm( PO:0009089 )
seed( PO:0009010 )
bud( PO:0000055 )
Related Strains
Phenotype images
Last updated
Dec 26, 2023