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Basic Information
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CGSNL Gene Symbol
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BC12
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Gene Symbol Synonym
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bc12, gdd, GDD1, BC12/GDD1, OsGDD1, OsBC12/GDD1, OsBC12, LGW, OsLGW, SWB9, OsSWB9
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CGSNL Gene Name
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BRITTLE CULM 12
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Gene Name Synonym
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Gibberellin-deficient dwarf 1, gibberellin-deficient dwarf1, kinesin-4 protein BRITTLE CULM12, kinesin-like protein BRITTLE CULM12, OsKinesin-4, low grain weight, small and white belly 9
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Protein Name
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KINESIN-4 PROTEIN
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Allele
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bc12-1, bc12-2, gdd1, lgw, swb9
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Chromosome No.
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9
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Explanation
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Q6YUL8. PO:0030123: panicle inflorescence. TO:0000975: grain width. GO:2000904: regulation of starch metabolic process.
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Trait Class
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Vegetative organ - Culm
Seed - Morphological traits - Endosperm
Seed - Morphological traits - Grain shape
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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AK100974
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MSU ID
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LOC_Os09g02650.1
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RAP ID
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Os09g0114500
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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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Chen Y., Hui S., Li H., Jiao G., Cao R., Zhou L., Wang J., Mawia A.M., Yang L., Wu Y., Zhang Y., Sheng Z., Shao G., Zhao F., Wang L., Lyu Y., Tang S., Hu S., Hu P.
Plant Biotechnol. J. 2025 23(7) 2793-2808
A myb61-SWB9-KOs module regulates grain chalkiness via gibberellin biosynthesis in rice endosperm.
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Ye Y., Wang S., Ren Y., Yang H., Guo J., Jiang H., Zhu X., Li W., Tao L., Zhan Y., Wu Y., Fu X., Wu K., Liu B.
Front Plant Sci 2022 13 997624
Low grain weight, a new allele of BRITTLE CULM12, affects grain size.through regulating <i>GW7</i> expression in rice.
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Jiang H., Ren Y., Guo J., Yang H., Zhu X., Li W., Tao L., Zhan Y., Wang Q., Wu Y., Liu B., Ye Y.
Biotechnol Biofuels Bioprod 2022 15(1) 111
CEF3 is involved in membrane trafficking and essential for secondary cell wall biosynthesis and its mutation enhanced biomass enzymatic saccharification in rice.
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Gong R., Cao H., Zhang J., Xie K., Wang D., Yu S.
Plant J. 2018 94(1) 32-47
Divergent functions of the GAGA-binding transcription factor family in rice.
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Xu X., Walter W.J., Liu Q., Machens I., Nick P.
Sci Rep 2018 8(1) 3588
A rice class-XIV kinesin enters the nucleus in response to cold.
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Li F., Liu S., Xu H., Xu Q.
Biotechnol Biofuels 2018 11 298
A novel FC17/CESA4 mutation causes increased biomass saccharification and lodging resistance by remodeling cell wall in rice.
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Burman N., Bhatnagar A., Khurana J.P.
Plant Physiol. 2017
OsbZIP48, a HY5 transcription factor ortholog, exerts pleiotropic effects in light-regulated development.
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Wu B., Zhang B., Dai Y., Zhang L., Shang-Guan K., Peng Y., Zhou Y., Zhu Z.
Plant Physiol. 2012 159(4) 1440-52
Brittle culm15 encodes a membrane-associated chitinase-like protein required for cellulose biosynthesis in rice.
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Li J,Jiang J,Qian Q,Xu Y,Zhang C,Xiao J,Du C,Luo W,Zou G,Chen M,Huang Y,Feng Y,Cheng Z,Yuan M,Chong K
Plant Cell 2011 23(2) 628-40
Mutation of Rice BC12/GDD1, Which Encodes a Kinesin-Like Protein That Binds to a GA Biosynthesis Gene Promoter, Leads to Dwarfism with Impaired Cell Elongation.
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Zhang M., Zhang B., Qian Q., Yu Y., Li R., Zhang J., Liu X., Zeng D., Li J., Zhou Y.
Plant J. 2010 63(2) 312-328
Brittle Culm 12, a dual-targeting kinesin-4 protein, controls cell-cycle progression and wall properties in rice
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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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microtubule motor activity( GO:0003777 )
ATP binding( GO:0005524 )
microtubule-based movement( GO:0007018 )
microtubule( GO:0005874 )
plus-end-directed microtubule motor activity( GO:0008574 )
microtubule binding( GO:0008017 )
sequence-specific DNA binding( GO:0043565 )
cell cycle( GO:0007049 )
cellulose microfibril organization( GO:0010215 )
plant-type cell wall biogenesis( GO:0009832 )
cytoplasm( GO:0005737 )
nucleus( GO:0005634 )
kinesin complex( GO:0005871 )
cytoskeleton( GO:0005856 )
transcription, DNA-dependent( GO:0006351 )
regulation of growth( GO:0040008 )
regulation of gibberellic acid mediated signaling( GO:0009937 )
positive regulation of transcription, DNA-dependent( GO:0045893 )
regulation of cell proliferation( GO:0042127 )
inflorescence development( GO:0010229 )
seed development( GO:0048316 )
regulation of unidimensional cell growth( GO:0051510 )
negative regulation of gibberellin biosynthetic process( GO:0010373 )
gibberellic acid mediated signaling( GO:0009740 )
response to gibberellin stimulus( GO:0009739 )
starch metabolic process( GO:0005982 )
sucrose metabolic process( GO:0005985 )
endosperm development( GO:0009960 )
regulation of starch biosynthetic process( GO:0010581 )
amyloplast organization( GO:0009660 )
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Trait Ontology
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setback viscosity( TO:0000412 )
peak viscosity( TO:0000409 )
gelatinization temperature( TO:0000462 )
cool paste viscosity( TO:0000379 )
hot paste viscosity( TO:0000408 )
gel consistency( TO:0000211 )
starch content( TO:0000696 )
amylose content( TO:0000196 )
total soluble sugar content( TO:0000340 )
endosperm storage protein content( TO:0002653 )
1000-seed weight( TO:0000382 )
grain width( TO:0000402 )
grain thickness( TO:0000399 )
tiller number( TO:0000346 )
days to heading( TO:0000137 )
primary branch number( TO:0000547 )
panicle length( TO:0000040 )
starch grain shape( TO:0002656 )
starch grain synthesis( TO:0002658 )
endosperm related trait( TO:0000575 )
gibberellic acid sensitivity( TO:0000166 )
gibberellic acid content( TO:0002675 )
endosperm color( TO:0000487 )
chalky endosperm( TO:0000266 )
seed development trait( TO:0000653 )
inflorescence development trait( TO:0000621 )
plant height( TO:0000207 )
grain weight( TO:0000590 )
grain size( TO:0000397 )
grain length( TO:0000734 )
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Plant Ontology
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stem internode( PO:0020142 )
root( PO:0009005 )
inflorescence( PO:0009049 )
stem( PO:0009047 )
inflorescence development stage( PO:0001083 )
seed development stage( PO:0001170 )
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Related Strains
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Phenotype images
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Last updated
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Sep 24, 2025
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Update info.