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Basic Information
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CGSNL Gene Symbol
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EXPA4
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Gene Symbol Synonym
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OsEXP4 (Os-EXP4), EXP4, OsEXPA4, OsEXP4, Os-EXP4, OsaEXPa1.22
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CGSNL Gene Name
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ALPHA-EXPANSIN 4
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Gene Name Synonym
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Rice expansin-4, Expansin-A4, Alpha-expansin-4
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Protein Name
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ALPHA-EXPANSIN 4
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Allele
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Chromosome No.
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5
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Explanation
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This gene controls the expansin which is a protein catalyzing long-term extension of isolated cell walls. A2Y5R6(indica), Q0DHB7(japonica). U85246(cDNA), AF394545(Genomic).
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Trait Class
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Biochemical character
Vegetative organ - Root
Tolerance and resistance - Stress tolerance
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Expression
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Sequence/Locus
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cDNA Accession No.
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AK100179
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MSU ID
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LOC_Os05g39990.1
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RAP ID
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Os05g0477600
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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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Link to INSD Accession List
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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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Liu N., Li J., Wang C.C., Yang T., Li A., Zeng P., Peng H., Zhang Y., Huang D., Zheng X., Zhang X.Q.
Plants (Basel) 2025 14(17)
Extensin-like Protein OsPEX1 Modulates Grain Filling in Rice.
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Xiong D., Wang R., Wang Y., Li Y., Sun G., Yao S.
Plant Biotechnol. J. 2023
SLG2 specifically regulates grain width through WOX11-mediated cell expansion control in rice.
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Zhang Y., Gan L., Zhang Y., Huang B., Wan B., Li J., Tong L., Zhou X., Wei Z., Li Y., Song Z., Zhang X., Cai D., He Y.
Plant J. 2023
OsCBL5-CIPK1-pp23 module enhances rice grain size and weight through the gibberellin pathway.
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Ge L., Guo H., Li X., Tang M., Guo C., Bao H., Huang L., Yi Y., Cui Y., Chen L.
Front Plant Sci 2022 13 863233
OsSIDP301, a Member of the DUF1644 Family, Negatively Regulates Salt Stress and grain size in Rice.
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Guo F., Zhang P., Wu Y., Lian G., Yang Z., Liu W., Buerte B., Zhou C., Zhang W., Li D., Han N., Tong Z., Zhu M., Xu L., Chen M., Bian H.
Front Plant Sci 2022 13 887980
Rice LEAFY COTYLEDON1 Hinders Embryo Greening During the Seed Development.
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Jang S., Cho J.Y., Do G.R., Kang Y., Li H.Y., Song J., Kim H.Y., Kim B.G., Hsing Y.I.
Int J Mol Sci 2021 22(15)
Modulation of Rice leaf angle and grain size.by Expressing <i>OsBCL1</i> and <i>OsBCL2</i> under the Control of <i>OsBUL1</i> Promoter.
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Huang Y., Zhou J., Li Y., Quan R., Wang J., Huang R., Qin H.
Int J Mol Sci 2021 22(19)
Salt Stress Promotes Abscisic Acid Accumulation to Affect Cell Proliferation and Expansion of Primary Roots in Rice.
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Mo W., Tang W., Du Y., Jing Y., Bu Q., Lin R.
Plant Physiol. 2020
PHYTOCHROME-INTERACTING FACTOR-LIKE14 and SLENDER RICE1 interaction controls seedling growth under salt stress.
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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.
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Jang S., Li H.Y.
Front Plant Sci 2017 8 1253
Oryza sativa BRASSINOSTEROID UPREGULATED1 LIKE1 Induces the Expression of a Gene Encoding a Small Leucine-Rich-Repeat Protein to Positively Regulate Lamina Inclination and grain size.in Rice.
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Xiong Q., Ma B., Lu X., Huang Y.H., He S.J., Yang C., Yin C.C., Zhao H., Zhou Y., Zhang W.K., Wang W.S., Li Z.K., Chen S.Y., Zhang J.S.
Plant Cell 2017 29(5) 1053-1072
Ethylene-Inhibited Jasmonic Acid Biosynthesis Promotes Mesocotyl/Coleoptile Elongation of Etiolated Rice Seedlings.
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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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Schmidt R., Schippers J.H., Mieulet D., Obata T., Fernie A.R., Guiderdoni E., Mueller-Roeber B.
Plant J. 2013 76(2) 258-73
MULTIPASS, a rice R2R3-type MYB transcription factor, regulates adaptive growth by integrating multiple hormonal pathways.
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Todaka D., Nakashima K., Maruyama K., Kidokoro S., Osakabe Y., Ito Y., Matsukura S., Fujita Y., Yoshiwara K., Ohme-Takagi M., Kojima M., Sakakibara H., Shinozaki K., Yamaguchi-Shinozaki K.
Proc. Natl. Acad. Sci. U.S.A. 2012 109(39) 15947-52
Rice phytochrome-interacting factor-like protein OsPIL1 functions as a key regulator of internode elongation and induces a morphological response to drought stress.
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Magneschi L,Kudahettige RL,Alpi A,Perata P
J. Plant Physiol. 2009 166 1576-80
Expansin gene expression and anoxic coleoptile elongation in rice cultivars.
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Koh S,Lee SC,Kim MK,Koh JH,Lee S,An G,Choe S,Kim SR
Plant Mol. Biol. 2007 65 453-66
T-DNA tagged knockout mutation of rice OsGSK1, an orthologue of Arabidopsis BIN2, with enhanced tolerance to various abiotic stresses.
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Jun-Hye Shin, Dong-Hoon Jeong, Min Chul Park, An G.
Mol. Cells 2005 20(2) 210-8
Characterization and transcriptional expression of the alpha-expansin gene family in rice.
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Kende H., Bradford K., Brummell D., Hyung-Taeg Cho, Cosgrove D., Fleming A., Gehring C., Lee Y., Simon McQueen-Mason, Rose J., Laurentius A C J Voesenek
Plant Mol. Biol. 2004 55(3) 311-4
Nomenclature for members of the expansin superfamily of genes and proteins.
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Lee,Y. and Kende,H.
Plant Physiol. 2002 130(3) 1396-1405
Expression of alpha-Expansin and Expansin-Like Genes in Deepwater Rice.
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Lee,Y., Choi,D. and Kende,H.
Curr. Opin. Plant Biol. 2001 4(6) 527-532
Expansins: ever-expanding numbers and functions.
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Cho, H.T. and H. Kende
Plant J. 1998 15(6) 805-812
Tissue localization of expansins in deepwater rice.
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Cho,H.T. and Kende,H.
Plant Cell 1997 9(9) 1661-1671
Expression of expansin genes is correlated with growth in deepwater 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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regulation of cell growth( GO:0001558 )
root development( GO:0048364 )
response to abscisic acid stimulus( GO:0009737 )
extrinsic to membrane( GO:0019898 )
extracellular region( GO:0005576 )
cell wall( GO:0005618 )
plant-type cell wall organization( GO:0009664 )
cell wall organization( GO:0007047 )
growth factor activity( GO:0008083 )
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Trait Ontology
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abscisic acid sensitivity( TO:0000615 )
root length( TO:0000227 )
root thickness( TO:0000306 )
root development trait( TO:0000656 )
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Plant Ontology
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root( PO:0009005 )
root development stage( PO:0007520 )
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Related Strains
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Phenotype images
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Last updated
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Jan 19, 2026
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Update info.