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Basic Information
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CGSNL Gene Symbol
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O3
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Gene Symbol Synonym
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OsbZIP60, bZIP60
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CGSNL Gene Name
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OPAQUE 3
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Gene Name Synonym
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b-ZIP transcription factor 60, OPAQUE3, OsbZIP60-like
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Protein Name
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b-ZIP TRANSCRIPTION FACTOR 60
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Allele
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o3, Osbzip60-like, bzip60
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Chromosome No.
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7
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Explanation
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bZIP60 is an ER stress sensor in rice, and a counterpart of mammalian ATF6. PO:0030123: panicle inflorescence. GO:0035437: maintenance of protein localization in endoplasmic reticulum. TO:0001109: grain color trait. GO:0120127: response to zinc ion starvation. GO:1900101: regulation of endoplasmic reticulum unfolded protein response.
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Trait Class
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Seed - Morphological traits - Endosperm
Seed - Morphological traits - Grain shape
Seed - Physiological traits - Storage substances
Seed - Physiological traits - Taste
Tolerance and resistance - Stress tolerance
Character as QTL - Grain quality
Other
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Expression
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Sequence/Locus
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cDNA Accession No.
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AK121898
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MSU ID
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LOC_Os07g44950.1
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RAP ID
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Os07g0644100
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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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Lou G., Fu P., Gao H., Li M., Shi H., Liu R., Li Y., Zhou H., Xia D., Wang Y., Gao G., He Y.
Plant Biotechnol. J. 2026 24(3) 1697-1711
Genetic Determinants and Breeding Strategies for Rice Cooking and Eating Quality: A Comprehensive Review.
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Sun Q., Duan E., Jing R., Ren Y., Xu H., Gu C., Lv W., Jiang X., Chen R., Wang Q., Zhang Y., Zhang R., Xu H., Zhang Y., Chi J., Fu Y., Zhu Y., Zhang Y., Zhang B., Teng X., Dong H., Yang X., Zhou L., Tian Y., Liu X., Liu S., Guo X., Lei C., Jiang L., Wang Y., Wan J.
Plant Commun 2025 6(9) 101458
The bZIP transcription factor RISBZ1 balances grain filling and ER stress response in rice grains.
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Yang W., Yang Z., Yang L., Li Z., Zhang Z., Wei T., Huang R., Li G.
Genomics 2024 116(5) 110915
Genomic and transcriptomic analyses of the elite rice variety Huizhan provide insight into disease resistance and heat tolerance.
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Bao G., Ashraf U., Li L., Qiao J., Wang C., Zheng Y.
Plants (Basel) 2023 13(1)
Transcription Factor OsbZIP60-like Regulating <i>Osp5cs1</i> Gene and 2-Acetyl-1-pyrroline (2-AP) Biosynthesis in Aromatic Rice.
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Feng H., Qiu T., Yin C., Zhao X., Xu G., Qi L., Zhang Y., Peng Y., Zhao W.
Int J Mol Sci 2022 23(10)
The Rice Malectin Regulates Plant Cell Death and disease resistance by Participating in Glycoprotein Quality Control.
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Cao R., Zhao S., Jiao G., Duan Y., Ma L., Dong N., Lu F., Zhu M., Shao G., Hu S., Sheng Z., Zhang J., Tang S., Wei X., Hu P.
Plant Commun 2022 3(6) 100463
OPAQUE3, encoding a transmembrane bZIP transcription factor, regulates endosperm storage protein and starch biosynthesis in rice.
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Zhang X., Zheng X., Ke S., Zhu H., Liu F., Zhang Z., Peng X., Guo L., Zeng R., Hou P., Liu Z., Wu S., Song M., Yang J., Zhang G.
Plant Mol. Biol. 2016 92(6) 701-715
ER-localized adenine nucleotide transporter ER-ANT1: an integrator of energy and stress signaling in rice.
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Lim S.D., Jung C.G., Park Y.C., Lee S.C., Lee C., Lim C.W., Kim D.S., Jang C.S.
Plant Mol. Biol. 2015 89(4-5) 365-84
Molecular dissection of a rice microtubule-associated RING finger protein and its potential role in salt tolerance in Arabidopsis.
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Cheng Q., Zhou Y., Liu Z., Zhang L., Song G., Guo Z., Wang W., Qu X., Zhu Y., Yang D.
Plant Biol (Stuttg) 2014
An alternatively spliced heat shock transcription factor, OsHSFA2dI, functions in the heat stress-induced UNFOLDED PROTEIN RESPONSE in rice.
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Zhang L., Jiang D., Pang J., Chen R., Wang X., Yang D.
Plant Mol. Biol. 2013 83(1-2) 153-61
The endoplasmic reticulum stress induced by highly expressed OsrAAT reduces seed size via pre-mature programmed cell death.
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Ohta M., Wakasa Y., Takahashi H., Hayashi S., Kudo K., Takaiwa F.
J. Exp. Bot. 2013 64(18) 5429-41
Analysis of rice ER-resident J-proteins reveals diversity and functional differentiation of the ER-resident Hsp70 system in plants.
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Zhang X., Rerksiri W., Liu A., Zhou X., Xiong H., Xiang J., Chen X., Xiong X.
Gene 2013 530(2) 185-92
Transcriptome profile reveals heat response mechanism at molecular and metabolic levels in rice flag leaf.
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Hayashi S., Takahashi H., Wakasa Y., Kawakatsu T., Takaiwa F.
Plant J. 2013 74(2) 248-57
Identification of a cis-element that mediates multiple pathways of the endoplasmic reticulum stress response in rice.
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Kudo K., Ohta M., Yang L., Wakasa Y., Takahashi S., Takaiwa F.
Plant Mol. Biol. 2013 81(4-5) 461-75
ER stress response induced by the production of human IL-7 in rice endosperm cells.
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Hayashi S., Wakasa Y., Takahashi H., Kawakatsu T., Takaiwa F.
Plant J. 2012 69 946-956
Signal transduction by IRE1-mediated splicing of bZIP50 and other stress sensors in the endoplasmic reticulum stress response of rice.
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Takahashi H., Kawakatsu T., Wakasa Y., Hayashi S., Takaiwa F.
Plant Cell Physiol. 2011 53 144-153
A Rice Transmembrane bZIP Transcription Factor, OsbZIP39, Regulates the Endoplasmic Reticulum Stress Response.
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Wakasa Y,Yasuda H,Oono Y,Kawakatsu T,Hirose S,Takahashi H,Hayashi S,Yang L,Takaiwa F
Plant J. 2010 65(5) 675-89
Expression of ER quality control-related genes in response to changes in BiP1 levels in developing rice endosperm.
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Nijhawan A,Jain M,Tyagi AK,Khurana JP
Plant Physiol. 2008 146 333-50
Genomic survey and gene expression analysis of the basic leucine zipper transcription factor family 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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endoplasmic reticulum unfolded protein response( GO:0030968 )
aromatic compound biosynthetic process( GO:0019438 )
response to starvation( GO:0042594 )
endosperm development( GO:0009960 )
seed development( GO:0048316 )
seed maturation( GO:0010431 )
regulation of starch biosynthetic process( GO:0010581 )
endoplasmic reticulum( GO:0005783 )
nucleus( GO:0005634 )
response to endoplasmic reticulum stress( GO:0034976 )
regulation of protein transport( GO:0051223 )
regulation of protein processing( GO:0070613 )
response to heat( GO:0009408 )
sequence-specific DNA binding( GO:0043565 )
transcription factor activity( GO:0003700 )
response to unfolded protein( GO:0006986 )
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Trait Ontology
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temperature response trait( TO:0000432 )
starch content( TO:0000696 )
protein content( TO:0000598 )
endosperm storage protein content( TO:0002653 )
seed development trait( TO:0000653 )
endosperm color( TO:0000487 )
floury endosperm( TO:0000104 )
endosperm storage protein-2 content( TO:0000109 )
endosperm storage protein-1 content( TO:0000107 )
heat tolerance( TO:0000259 )
grain weight( TO:0000590 )
amylose content( TO:0000196 )
grain size( TO:0000397 )
aroma( TO:0000087 )
zinc sensitivity( TO:0000351 )
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Plant Ontology
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endosperm development stage( PO:0007633 )
seed development stage( PO:0001170 )
seed maturation stage( PO:0007632 )
seed( PO:0009010 )
inflorescence( PO:0009049 )
leaf( PO:0025034 )
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Related Strains
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Phenotype images
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Last updated
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Jul 24, 2026
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Update info.