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Basic Information
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CGSNL Gene Symbol
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SMS2
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Gene Symbol Synonym
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INV3, OSINV3, OsINV3, OsVIN2, VIN2, VINV, OsSMS2
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CGSNL Gene Name
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SMALL GRAIN SIZE 2
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Gene Name Synonym
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invertase 3, fructosyl transferase, vacuolar invertase 2, small grain size 2
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Protein Name
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INVERTASE 3
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Allele
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osvin2-1, osvin2-2, osvin2-3, sms2, osvin2, osvin2-#4, osvin2-#19
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Chromosome No.
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2
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Explanation
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AF276704, C25279. AY575557. OsVIN2 in Ji et al. 2005, Kim et al. 2021, Cho et al. 2024. PO:0030123: panicle inflorescence. TO:0000975: grain width. GO:2000028: regulation of photoperiodism, flowering. TO:0001069: cooking quality trait.
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Trait Class
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Character as QTL - Grain quality
Biochemical character
Seed - Morphological traits
Vegetative organ - Culm
Reproductive organ - Heading date
Seed - Morphological traits - Grain shape
Character as QTL - Yield and productivity
Seed - Physiological traits - Storage substances
Reproductive organ - Spikelet, flower, glume, awn
Reproductive organ - panicle
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Expression
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Sequence/Locus
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cDNA Accession No.
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AK072245
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MSU ID
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LOC_Os02g01590.1
LOC_Os02g01590.2
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RAP ID
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Os02g0106100
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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 X., Lin Y., Xi X., Yang S., Wu S., Qian H., Wu M., Hu T., Mei F., Zheng M., Shi C., Zhu Y.
Biology (Basel) 2025 15(1)
Generation of Novel High-Quality Small-Grained Rice Germplasm by Targeting the <i>OsVIN2</i> Gene.
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Huang J., Zhou Z., Wang Y., Yang J., Wang X., Tang Y., Xu R., Li Y., Wu L.
Plants (Basel) 2024 13(9)
<i>SMS2</i>, a Novel Allele of <i>OsINV3</i>, Regulates grain size.in Rice.
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Cho L.H., Yoon J., Baek G., Tun W., Kwon H.C., Lee D.W., Choi S.H., Lee Y.S., Jeon J.S., An G.
J Integr Plant Biol 2024
Sucrose induces flowering by degradation of the floral repressor Ghd7 via K48-linked polyubiquitination in rice.
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Kim E.J., Hong W.J., Kim Y.J., Jung K.H.
Int J Mol Sci 2021 23(1)
Transcriptome Analysis of Triple Mutant for OsMADS62, OsMADS63, and OsMADS68 Reveals the Downstream Regulatory Mechanism for pollen Germination in Rice (<i>Oryza sativa</i>).
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Lee D.W., Lee S.K., Rahman M.M., Kim Y.J., Zhang D., Jeon J.S.
Mol. Cells 2019 42(10) 711-720
The Role of Rice Vacuolar Invertase2 in seed size Control.
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Chen L., Yuan Y., Wu J., Chen Z., Wang L., Shahid M.Q., Liu X.
Rice (N Y) 2019 12(1) 34
Carbohydrate metabolism and fertility related genes high expression levels promote heterosis in autotetraploid rice harboring double neutral genes.
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Li C., Wang Y., Liu L., Hu Y., Zhang F., Mergen S., Wang G., Schläppi MR., Chu C.
PLoS Genet. 2011 7(7) e1002196
A rice plastidial nucleotide sugar epimerase is involved in galactolipid biosynthesis and improves photosynthetic efficiency.
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Ji,X., Van den Ende,W., Van Laere,A., Cheng,S. and Bennett,J.
J. Mol. Evol. 2005 60(5) 615-634
Structure, evolution, and expression of the two invertase gene families of rice.
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Oliver S.N., Dongen J.V., Alfred S.C., Mamun E, Zhao X, Saini H.S., Fernandes S.F., Blanchard C.L., Sutton B.G., Geigenberger P, Dennis E.S., Dolferus R
Plant, Cell and Environment 2005 28 1534-1551
Cold-induced repression of the rice anther-specific cell wall invertase gene OSINV4 is correlated with sucrose accumulation and pollen sterility
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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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sucrose alpha-glucosidase activity( GO:0004575 )
sucrose transport( GO:0015770 )
sucrose catabolic process( GO:0005987 )
starch biosynthetic process( GO:0019252 )
seed development( GO:0048316 )
plant-type cell wall( GO:0009505 )
carbohydrate metabolic process( GO:0005975 )
vacuole( GO:0005773 )
propionate metabolic process( GO:0019541 )
methionine metabolic process( GO:0006555 )
cysteine metabolic process( GO:0006534 )
sucrose mediated signaling( GO:0009745 )
photoperiodism, flowering( GO:0048573 )
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Trait Ontology
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seed size( TO:0000391 )
seed development trait( TO:0000653 )
grain length( TO:0000734 )
grain weight( TO:0000590 )
spikelet anatomy and morphology trait( TO:0000657 )
hexose content( TO:0000307 )
glucose content( TO:0000300 )
starch content( TO:0000696 )
sucrose content( TO:0000328 )
grain size( TO:0000397 )
1000-seed weight( TO:0000382 )
fructose content( TO:0006005 )
plant height( TO:0000207 )
panicle number( TO:0000152 )
panicle length( TO:0000040 )
filled grain number( TO:0000447 )
secondary branch number( TO:0000557 )
days to heading( TO:0000137 )
flowering time( TO:0002616 )
grain width( TO:0000975 )
grain width( TO:0000402 )
chalky endosperm( TO:0000266 )
endosperm storage protein content( TO:0002653 )
seed quality( TO:0000162 )
amylose content( TO:0000196 )
grain yield per plant( TO:0000449 )
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Plant Ontology
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seed development stage( PO:0001170 )
endocarp( PO:0009086 )
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Related Strains
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Phenotype images
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Last updated
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Aug 8, 2026
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Update info.