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Basic Information
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CGSNL Gene Symbol
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EP2
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Gene Symbol Synonym
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ep2, EP2/DEP2/SRS1, SRS1/DEP2, DEP2, SRS1, OsSRS1, CL7(t), OsRELA, RELA, SUG1, OsSUG1
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CGSNL Gene Name
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ERECT PANICLE 2
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Gene Name Synonym
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erect panical 2, Erect panicle2, erect panicle2-1, erect panicle2-2, dense and erect panicle 2, small and round seed 1, cleistogamy 7, cleistogamy gene on chromosome 7, regulator of leaf angle, suppressor of GS2AA 1
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Protein Name
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Allele
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ep2-1, ep2-2, dep2, dep2-1, dep2-2, srs1, srs1-1, srs1-2, srs1-3, srs1-4, srs1-5, cl7(t), rela, sug1, sug1-1, sug1-2, sug1-cr
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Chromosome No.
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7
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Explanation
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GQ449684. TO:0000800: inflorescence density (panicle density), TO:0000847: panicle anatomy and morphology trait. TO:0000756: stem internode anatomy and morphology trait. TO:0000882: cleistogamous flower. TO:0000975: grain width. PO:0030123: panicle inflorescence. GO:0140426: pathogen-associated molecular pattern receptor signaling pathway. GO:1900150: regulation of defense response to fungus. GO:2000377: regulation of reactive oxygen species metabolic process.
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Trait Class
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Vegetative organ - Leaf
Seed - Morphological traits - Grain shape
Tolerance and resistance - Disease resistance
Character as QTL - Yield and productivity
Character as QTL - Plant growth activity
Reproductive organ - Panicle, Mode of branching
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Expression
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Sequence/Locus
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cDNA Accession No.
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AK120310
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MSU ID
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LOC_Os07g42410.1
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RAP ID
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Os07g0616000
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Links
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Oryzabase Chromosome View
(
IRGSP 1.0
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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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Teixeira M.
Plant Physiol. 2026 200(1)
Targeting OsRING80 enables resistance to rice blast without developmental costs.
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Hou X., You X., Mi X., Huang X., Hu H., Wang J., He F., Wang R., Wang S., Ning Y.
Plant Physiol. 2025 199(4)
Balancing rice blast resistance and growth through suppression of the E3 ubiquitin ligase OsRING80.
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Li Y., Huang K., Zhang L., Zhang B., Duan P., Zhang G., Huang X., Zhou C., Han N., Zheng L., Wang Y., Li Y.
Nat Commun 2025 16(1) 3944
A molecular framework for the GS2-sug1 module-mediated control of grain size and weight in rice.
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Wang Y., Lv Y., Yu H., Hu P., Wen Y., Wang J., Tan Y., Wu H., Zhu L., Wu K., Chai B., Liu J., Zeng D., Zhang G., Zhu L., Gao Z., Dong G., Ren D., Shen L., Zhang Q., Li Q., Guo L., Xiong G., Qian Q., Hu J.
Plant Commun 2023 100673
GR5 acts in the G protein pathway to regulate grain size in rice.
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Jin S.K., Zhang M.Q., Leng Y.J., Xu L.N., Jia S.W., Wang S.L., Song T., Wang R.A., Yang Q.Q., Tao T., Cai X.L., Gao J.P.
Front Plant Sci 2022 13 905148
<i>OsNAC129</i> Regulates Seed Development and Plant Growth and Participates in the Brassinosteroid Signaling Pathway.
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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.
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Chun Y., Fang J., Zafar S.A., Shang J., Zhao J., Yuan S., Li X.
Rice (N Y) 2020 13(1) 7
MINI SEED 2 (MIS2) Encodes a Receptor-like Kinase that Controls grain size and Shape in Rice.
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Wang M., Yu Y., Haberer G., Marri P.R., Fan C., Goicoechea J.L., Zuccolo A., Song X., Kudrna D., Ammiraju J.S., Cossu R.M., Maldonado C., Chen J., Lee S., Sisneros N., de Baynast K., Golser W., Wissotski M., Kim W., Sanchez P., Ndjiondjop M.N., Sanni K., Long M., Carney J., Panaud O., Wicker T., Machado C.A., Chen M., Mayer K.F., Rounsley S., Wing R.A.
Nat. Genet. 2014 46(9) 982-8
The genome sequence of African rice (Oryza glaberrima) and evidence for independent domestication.
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Ni D.H., Li J., Duan Y.B., Yang Y.C., Wei P.C., Xu R.F., Li C.R., Liang D.D., Li H., Song F.S., Ni J.L., Li L., Yang J.B.
J. Exp. Bot. 2014 65(8) 2107-17
Identification and utilization of cleistogamy gene cl7(t) in rice (Oryza sativa L.).
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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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Zhu K,Tang D,Yan C,Chi Z,Yu H,Chen J,Liang J,Gu M,Cheng Z
Genetics 2010 184(2) 343-50.
ERECT PANICAL2 Encodes a Novel Protein That Regulates Panicle Erectness in Indica Rice.
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Li F., Liu W., Tang J., CHEN J., Tong H., Hu B., Li C., Fang J., Chen M., Chu C
Cell Res. 2010 20 839-849
Rice DENSE AND ERECT PANICLE 2 is essential for determining panicle outgrowth and elongation.
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Abe Y., Mieda K., Ando T., Kono I., Yano M., Kitano H., Iwasaki Y.
Genes Genet. Syst. 2010 85(5) 327-39
The SMALL AND ROUND SEED1 (SRS1/DEP2) gene is involved in the regulation of seed size 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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negative regulation of immune response( GO:0050777 )
defense response to fungus( GO:0050832 )
respiratory burst during defense response( GO:0002679 )
detection of molecule of fungal origin( GO:0032491 )
response to chitin( GO:0010200 )
pattern recognition receptor signaling pathway( GO:0002221 )
regulation of gibberellin biosynthetic process( GO:0010371 )
regulation of gibberellic acid mediated signaling( GO:0009937 )
regulation of brassinosteroid biosynthetic process( GO:0010422 )
cytoplasm( GO:0005737 )
regulation of cell growth( GO:0001558 )
gibberellic acid mediated signaling( GO:0009740 )
response to gibberellin stimulus( GO:0009739 )
response to brassinosteroid stimulus( GO:0009741 )
regulation of transcription, DNA-dependent( GO:0006355 )
nucleus( GO:0005634 )
brassinosteroid mediated signaling( GO:0009742 )
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Trait Ontology
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grain size( TO:0000397 )
grain length( TO:0000734 )
plant height( TO:0000207 )
inflorescence branching( TO:0000050 )
grain number( TO:0002759 )
vascular bundle number( TO:0000472 )
leaf size( TO:0002637 )
lemma and palea anatomy and morphology trait( TO:0000079 )
leaf angle( TO:0000206 )
grain weight( TO:0000590 )
brassinosteroid sensitivity( TO:0002677 )
stem thickness( TO:0000339 )
panicle length( TO:0000040 )
secondary branch number( TO:0000557 )
spikelet fertility( TO:0000180 )
grain width( TO:0000402 )
1000-seed weight( TO:0000382 )
stem strength( TO:0000051 )
leaf lamina joint bending( TO:0002688 )
gibberellic acid sensitivity( TO:0000166 )
grain thickness( TO:0000399 )
blast disease( TO:0000074 )
panicle axis angle( TO:0000342 )
grain shape( TO:0002730 )
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Plant Ontology
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leaf( PO:0025034 )
inflorescence( PO:0009049 )
inflorescence development stage( PO:0001083 )
palea( PO:0009038 )
spikelet floret( PO:0009082 )
stem( PO:0009047 )
vascular bundle( PO:0005020 )
leaf sheath( PO:0020104 )
root( PO:0009005 )
lemma( PO:0009037 )
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Related Strains
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Phenotype images
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Last updated
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Aug 1, 2026
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Update info.