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Basic Information
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CGSNL Gene Symbol
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SG1
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Gene Symbol Synonym
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OsSG1, Sg1
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CGSNL Gene Name
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SHORT GRAIN 1
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Gene Name Synonym
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SHORT GRAIN1, Short grain 1
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Protein Name
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Allele
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Sg1, Sg1-D
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Chromosome No.
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9
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Explanation
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Rice overexpressor shows short grain phenotype. Knock-down line shows long grain phenotype. TO:0000919: grain weight.
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Trait Class
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Vegetative organ - Leaf
Vegetative organ - Culm
Reproductive organ - panicle
Seed - Morphological traits - Grain shape
Character as QTL - Yield and productivity
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Expression
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Sequence/Locus
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cDNA Accession No.
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AK110733
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MSU ID
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LOC_Os09g28520.1
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RAP ID
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Os09g0459200
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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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Zhang X., Xu Y., Xian F., Liu S., Huang J., Xie B., Hu J.
Plants (Basel) 2025 14(12)
The auxin response factor <i>OsARF25</i> Negatively Regulates grain size and Weight in Rice (<i>Oryza sativa</i> L.) by Activating the Expression of <i>SG1</i> and <i>OsOFP04</i>.
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Pei W., Jain A., Ai H., Liu X., Feng B., Wang X., Sun Y., Xu G., Sun S.
J. Plant Physiol. 2019 232 51-60
OsSIZ2 regulates nitrogen homeostasis and some of the reproductive traits in rice.
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Zhang C., Bai M.Y., Chong K.
Plant Cell Rep. 2014 33(5) 683-96
Brassinosteroid-mediated regulation of agronomic traits in rice.
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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.
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Nakagawa H., Tanaka A., Tanabata T., Ohtake M., Fujioka S., Nakamura H., Ichikawa H., Mori M.
Plant Physiol. 2011
SHORT GRAIN 1 Decreases Organ Elongation and Brassinosteroid Response in Rice.
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Mori-M, Tomita-C, Hasegawa-M, Hayashi-N, Sugimoto-K, Sekimoto-H, Hirochika-H, Kikuchi-S
Breeding Res. 2004 6(Suppl.2) 102
Isolation of a lesion mimic mutant and a short grain mutant by rice activation tagging and analyses of causative genes
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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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brassinosteroid mediated signaling( GO:0009742 )
negative regulation of cell proliferation( GO:0008285 )
response to brassinosteroid stimulus( GO:0009741 )
inflorescence development( GO:0010229 )
seed development( GO:0048316 )
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Trait Ontology
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plant height( TO:0000207 )
grain size( TO:0000397 )
brassinosteroid sensitivity( TO:0002677 )
internode length( TO:0000145 )
leaf angle( TO:0000206 )
leaf color( TO:0000326 )
leaf width( TO:0000370 )
grain length( TO:0000734 )
panicle length( TO:0000040 )
seed length( TO:0000146 )
seed development trait( TO:0000653 )
inflorescence development trait( TO:0000621 )
grain weight( TO:0000590 )
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Plant Ontology
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seed development stage( PO:0001170 )
inflorescence development stage( PO:0001083 )
stem elongation stage( PO:0007089 )
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Related Strains
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-
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Phenotype images
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-
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Last updated
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Oct 10, 2025
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Update info.