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Basic Information
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CGSNL Gene Symbol
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GE1
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Gene Symbol Synonym
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ge1, ge, CYP78A13, OsCYP78A13, GE, OsGE, BG2, OsBG2, GES, OsGES , OsGE/CYP78B5, CYP78B5, OsCYP78B5
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CGSNL Gene Name
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GIANT EMBRYO 1
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Gene Name Synonym
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giant embryo1, giant embryo 1, giant embryo, big grain2, Cytochrome P450 78A13, GIANT EMBRYO, super-giant embryo
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Protein Name
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CYTOCHROME P450 78A13
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Allele
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ge1-1, ge1-2, ge1-3, ge1-4, ge1-5, ge1-6, ge1-s, bg2-D, ge, ge-1, ge-2, ge-3, ge-4, ge-5, ge-6, ge-7, ge-8, ge-9, ge-10, ge, ges, bg2-1, bg2-2
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Chromosome No.
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7
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Explanation
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Induced by chemical mutagen treatment. Embyro size is 2-3 times as large as that of the original variety [440]. In the mature seed, the endosperm is degenerate and a giant embryo is produced due to the enlarged scutellum [708]. PO:0009009; embryo ; PO:0009089; endosperm. GRO:0007044; 06-heading stage ; GRO:0007042; 08-dough stage ; GRO:0007045; 09-mature grain stage ; GRO:0007046; 07-milk stage. GO:2000014: regulation of endosperm development. AB780362. CYP78B5 in Chen et al. 2015.
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Trait Class
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Biochemical character
Reproductive organ - panicle
Seed - Morphological traits - Embryo
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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AK287485
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MSU ID
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LOC_Os07g41240.1
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RAP ID
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Os07g0603700
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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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93.0
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Link map
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Classical linkage map
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References
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Zhou C., Lin Q., Ren Y., Lan J., Miao R., Feng M., Wang X., Liu X., Zhang S., Pan T., Wang J., Luo S., Qian J., Luo W., Mou C., Nguyen T., Cheng Z., Zhang X., Lei C., Zhu S., Guo X., Wang J., Zhao Z., Liu S., Jiang L., Wan J.
Plant Cell 2023
A CYP78As-smg4-COPⅡ pathway promotes grain size.in rice.
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Hu Z., Xiong Q., Wang K., Zhang L., Yan Y., Cao L., Niu F., Zhu J., Hu J., Wu S.
Front Plant Sci 2021 12 697889
Identification of a New Giant Emrbryo Allele, and Integrated Transcriptomics and Metabolomics Analysis of giant embryo Development in Rice.
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Qi D., Wen Q., Meng Z., Yuan S., Guo H., Zhao H., Cui S.
Plant J. 2020 104(4) 901-916
OsLFR is essential for early endosperm and embryo development by interacting with SWI/SNF complex members in Oryza sativa.
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Ke S., Liu X.J., Luan X., Yang W., Zhu H., Liu G., Zhang G., Wang S.
Gene 2018 675 285-300
Genome-wide transcriptome profiling provides insights into panicle development of rice (Oryza sativa L.).
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Huang X., Peng X., Sun M.X.
New Phytol. 2017 215(3) 1039-1058
OsGCD1 is essential for rice fertility and required for embryo dorsal-ventral pattern formation and endosperm development.
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Yu H., Ruan B., Wang Z., Ren D., Zhang Y., Leng Y., Zeng D., Hu J., Zhang G., Zhu L., Gao Z., Chen G., Guo L., Chen W., Qian Q.
Front Plant Sci 2017 8 486
Fine Mapping of a Novel defective glume 1 (dg1) Mutant, Which Affects Vegetative and Spikelet Development in Rice.
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Chen Y., Liu L., Shen Y., Liu S., Huang J., Long Q., Wu W., Yang C., Chen H., Guo X., Cheng Z., Jiang L., Wan J.
Plant Molecular Biology Reporter 2015 33 69-83
Loss of Function of the Cytochrome P450 Gene CYP78B5 Causes Giant Embryos in Rice
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Xu F., Fang J., Ou S., Gao S., Zhang F., DU L., Xiao Y., Wang H., Sun X., Chu J., Wang G., Chu C.
Plant Cell Environ. 2014
Variations in CYP78A13 coding region influence grain size and yield in rice.
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Nagasawa N., Hibara K.I., Heppard E.P., Vander Velden KA., Luck S., Beatty M., Nagato Y., Sakai H.
Plant J. 2013 75(4) 592-605
GIANT EMBRYO, encoding CYP78A13, affects size balance between embryo and endosperm in rice.
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Hong, S.K., H. Kitano, H. Satoh and Y. Nagato
Development 1996 122 2051-2058.
How is embryo size genetically regulated in rice?
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Hong, S.K., T, Aoki, H. Kitano, H. Satoh and Y. Nagato
Dev Genet. 1995 16 298-310.
Phenotypic diversity of 188 rice embryo mutants.
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Hong, S.K., T. Aoki, H. Kitano, H. Satoh and Y. Nagato
Plant Sci. 1995 108(2) 165-172.
Temperature-sensitive mutation, embryoless 1, affects both embryo and endosperm development in rice.
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DB Reference
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Gramene ID
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GR:0060362
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Ontologies
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Gene Ontology
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endoplasmic reticulum( GO:0005783 )
regulation of lipid metabolic process( GO:0019216 )
regulation of cellular amino acid metabolic process( GO:0006521 )
regulation of generation of precursor metabolites and energy( GO:0043467 )
monooxygenase activity( GO:0004497 )
endosperm development( GO:0009960 )
anatomical structure morphogenesis( GO:0009653 )
embryonic development( GO:0009790 )
inflorescence development( GO:0010229 )
regulation of seed growth( GO:0080113 )
heme binding( GO:0020037 )
oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen( GO:0016705 )
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Trait Ontology
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giant embryo( TO:0000113 )
endosperm related trait( TO:0000575 )
inflorescence development trait( TO:0000621 )
embryo shape( TO:0000193 )
embryo related trait( TO:0000064 )
seed size( TO:0000391 )
grain yield( TO:0000396 )
grain size( TO:0000397 )
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Plant Ontology
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endosperm( PO:0009089 )
plant embryo( PO:0009009 )
inflorescence development stage( PO:0001083 )
caryopsis hull( PO:0006000 )
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Related Strains
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Phenotype images
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Last updated
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Feb 28, 2025
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Update info.