Gene - Detail

Detail of Gene

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Basic Information
CGSNL Gene Symbol BU1
Gene Symbol Synonym ILI4, OsILI4 , OsBU1, BU1/ILI4, OsbHLH172, bHLH172
Gene Name Synonym BRASSINOSTEROID UPREGULATED1, Increased Leaf Inclination4, BR upregulated 1, basic helix-loop-helix protein 172
Protein Name
Chromosome No. 6
Explanation Q0DDF6. Transcription level is upregulated by BL application to rice. Helix-loop-helix protein. the closest homolog of PGL2.
Trait Class Vegetative organ - Leaf
Seed - Morphological traits
Character as QTL - Yield and productivity
cDNA Accession No. AK071601
MSU ID LOC_Os06g12210.1
RAP ID Os06g0226500
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 map Classical linkage map
Hao Z., Tian J., Fang H., Fang L., Xu X., He F., Li S., Xie W., Du Q., You X., Wang D., Chen Q., Wang R., Zuo S., Yuan M., Wang G.L., Xia L., Ning Y.
Cell Rep 2022  40(7)  111235
A VQ-motif-containing protein fine-tunes rice immunity and growth by a hierarchical regulatory mechanism.
Kim S.H., Shim K.C., Lee H.S., Jeon Y.A., Adeva C., Luong N.H., Ahn S.N.
Front Plant Sci 2022  13  985559
Brassinosteroid biosynthesis gene <i>OsD2</i> is associated with low-temperature germinability in rice.
Zhu C.L., Xing B., Teng S.Z., Deng C., Shen Z.Y., Ai P.F., Lu T.G., Zhang S.W., Zhang Z.G.
Front Plant Sci 2021  12  760041
OsRELA Regulates Leaf Inclination by Repressing the Transcriptional Activity of OsLIC in Rice.
Li P., Li H., Liu Z., Zhuang Y., Wei M., Gu Y., Liu Y., Sun X., Tang Y., Yue L., Lu L., Luo D., Huang W., Tu S., Wang S.
Rice (N Y) 2020  13(1)  73
Characterization of the 'Oat-like rice' Caused by a Novel Allele OsMADS1Olr Reveals Vital Importance of OsMADS1 in Regulating grain shape in Oryza sativa L.
Seo H., Kim S.H., Lee B.D., Lim J.H., Lee S.J., An G., Paek N.C.
Int J Mol Sci 2020  21(6) 
The Rice <i>Basic Helix-Loop-Helix 79</i> (<i>OsbHLH079</i>) Determines leaf angle and Grain Shape.
Li Y., Li X., Fu D., Wu C.
BMC Plant Biol. 2018  18(1)  348
Panicle Morphology Mutant 1 (PMM1) determines the inflorescence architecture of rice by controlling brassinosteroid biosynthesis.
Mach J.
Plant Cell 2018  30(4)  743-744
So Inclined: Phosphate Status and Leaf Angle in Rice.
Ruan W., Guo M., Xu L., Wang X., Zhao H., Wang J., Yi K.
Plant Cell 2018  30(4)  853-870
An SPX-RLI1 Module Regulates Leaf Inclination in Response to Phosphate Availability in Rice.
Qin R., Zeng D., Yang C., Akhter D., Alamin M., Jin X., Shi C.
Genes (Basel) 2018  9(6) 
<i>LTBSG1</i>, a New Allele of <i>BRD2</i>, Regulates Panicle and Grain Development in Rice by Brassinosteroid Biosynthetic Pathway.
Wei K., Chen H.
BMC Plant Biol. 2018  18(1)  309
Comparative functional genomics analysis of bHLH gene family in rice, maize and wheat.
Fang N., Xu R., Huang L., Zhang B., Duan P., Li N., Luo Y., Li Y.
Rice (N Y) 2016  9(1)  64
SMALL GRAIN 11 Controls grain size, Grain Number and grain yield in Rice.
Chen Q., Xie Q., Gao J., Wang W., Sun B., Liu B., Zhu H., Peng H., Zhao H., Liu C., Wang J., Zhang J., Zhang G., Zhang Z.
J. Exp. Bot. 2015   
Characterization of Rolled and Erect Leaf 1 in regulating leave morphology in rice.
Gan L., Wu H., Wu D., Zhang Z., Guo Z., Yang N., Xia K., Zhou X., Oh K., Matsuoka M., Ng D., Zhu C.
Plant Sci. 2015  241  238-45
Methyl jasmonate inhibits lamina joint inclination by repressing brassinosteroid biosynthesis and signaling in rice.
Jin J., Shi J., Liu B., Liu Y., Huang Y., Yu Y., Dong A.
Plant Physiol. 2015   
MRG702, a reader protein of H3K4me3 and H3K36me3, is involved in brassinosteroid-regulated growth and flowering time control in rice.
Zhang C., Bai M.Y., Chong K.
Plant Cell Rep. 2014  33(5)  683-96
Brassinosteroid-mediated regulation of agronomic traits in rice.
Ma B., He S.J., Duan K.X., Yin C.C., Chen H., Yang C., Xiong Q., Song Q.X., Lu X., Chen H.W., Zhang W.K., Lu T.G., Chen S.Y., Zhang J.S.
Mol Plant 2013  6(6)  1830-48
Identification of rice ethylene-response mutants and characterization of MHZ7/OsEIN2 in distinct ethylene response and yield trait regulation.
Sakamoto T., Kitano H., Fujioka S.
Plant Signal Behav 2013  8  e27117
An E3 ubiquitin ligase, ERECT LEAF1, functions in brassinosteroid signaling of rice.
Heang D., Sassa H.
Breed. Sci. 2012  62  133-141
An atypical bHLH protein encoded by POSITIVE REGULATOR OF GRAIN LENGTH 2 is involved in controlling grain length and weight of rice through interaction with a typical bHLH protein APG
Sui P., Jin J., Ye S., Mu C., Gao J., Feng H., Shen W.H., Yu Y., Dong A.
Plant J. 2012  70(2)  340-7
H3K36 methylation is critical for brassinosteroid-regulated plant growth and development in rice.
Jiang,Y., Bao,L., Jeong,S.Y., Kim,S.K., Xu,C., Li,X. and Zhang,Q.
Plant J. 2011   
XIAO is involved in the control of organ size by contributing to the regulation of signaling and homeostasis of brassinosteroids and cell cycling in rice
Tanaka A,Nakagawa H,Tomita C,Shimatani Z,Ohtake M,Nomura T,Jiang CJ,Dubouzet JG,Kikuchi S,Sekimoto H,Yokota T,Asami T,Kamakura T,Mori M
Plant Physiol. 2009  151(2)  669-80
BRASSINOSTEROID UPREGULATED1, encoding a helix-loop-helix protein, is a novel gene involved in brassinosteroid signaling and controls bending of the lamina joint in rice.
Zhang LY,Bai MY,Wu J,Zhu JY,Wang H,Zhang Z,Wang W,Sun Y,Zhao J,Sun X,Yang H,Xu Y,Kim SH,Fujioka S,Lin WH,Chong K,Lu T,Wang ZY
Plant Cell 2009  21(12)  3767-80
Antagonistic HLH/bHLH Transcription Factors Mediate Brassinosteroid Regulation of Cell Elongation and Plant Development in Rice and Arabidopsis.
TextPresso Search Search textpresso for BU1 ( Recent references may be retrievable, but without any warranty )
DB Reference
Gramene ID -
Gene Ontology response to brassinosteroid stimulus( GO:0009741 )
response to jasmonic acid stimulus( GO:0009753 )
brassinosteroid mediated signaling( GO:0009742 )
protein dimerization activity( GO:0046983 )
regulation of growth( GO:0040008 )
regulation of transcription, DNA-dependent( GO:0006355 )
transcription, DNA-dependent( GO:0006351 )
nucleus( GO:0005634 )
cytoplasm( GO:0005737 )
response to ethylene stimulus( GO:0009723 )
Trait Ontology brassinosteroid sensitivity( TO:0002677 )
grain size( TO:0000397 )
leaf lamina joint bending( TO:0002688 )
jasmonic acid sensitivity( TO:0000172 )
grain length( TO:0000734 )
ethylene sensitivity( TO:0000173 )
leaf angle( TO:0000206 )
Plant Ontology plant callus( PO:0005052 )
Related Strains
Phenotype images
Last updated
Mar 10, 2023