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Basic Information
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CGSNL Gene Symbol
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EG1
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Gene Symbol Synonym
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eg1, GY1, OsEG1, OsGY1, OsPLA1-Ialpha2, PLA1-Ialpha2
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CGSNL Gene Name
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EXTRA GLUME 1
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Gene Name Synonym
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extra glume-1, extra glume 1, extra glume1, gaoyao1 , phospholipase A1-Ialpha2
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Protein Name
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PUTATIVE TRIACYLGLYCEROL LIPASE 1
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Allele
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eg1, eg1-1, eg1-2, eg1-3, eg1-4 , eg1-5, eg1-6, gy1
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Chromosome No.
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1
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Explanation
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An extra glume between palea and lemma. PO:0009039; glume ; PO:0006318; floret (sensu Poaceae) ; PO:0009010; seed. GRO:0007148; 05-booting stage ; GRO:0007044; 06-heading stage ; GRO:0007042; 08-dough stage ; GRO:0007045; 09-mature grain stage ; GRO:0007046; 07-milk stage. EG1 is expressed strongly in inflorescence primordia and weakly in developing floral primordia.(2009) Q8S1D9. GO:0052740: 1-acyl-2-lysophosphatidylserine acylhydrolase activity. GO:0052739: phosphatidylserine 1-acylhydrolase activity. A High Temperature-Dependent Mitochondrial Lipase.
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Trait Class
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Biochemical character
Tolerance and resistance - Stress tolerance
Reproductive organ - Spikelet, flower, glume, awn
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Expression
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Sequence/Locus
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cDNA Accession No.
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AK242904
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MSU ID
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LOC_Os01g67430.1
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RAP ID
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Os01g0900400
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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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132.0
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Link map
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Classical linkage map
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References
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Cao H., Gong R., Xiong L., Wang F., Gu H., Li S., He G., Liang S., Luo W., Qiu X.
Int J Mol Sci 2024 25(21)
Comparative Metabolome and Transcriptome Analysis Reveals the Possible Roles of Rice phospholipase A Genes in the Accumulation of Oil in Grains.
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Zheng J., Hong K., Zeng L., Wang L., Kang S., Qu M., Dai J., Zou L., Zhu L., Tang Z., Meng X., Wang B., Hu J., Zeng D., Zhao Y., Cui P., Wang Q., Qian Q., Wang Y., Li J., Xiong G.
Plant Cell 2020 32(9) 2780-2805
Karrikin Signaling Acts Parallel to and Additively with Strigolactone Signaling to Regulate Rice Mesocotyl Elongation in Darkness.
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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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Zhang B., Wu S., Zhang Y., Xu T., Guo F., Tang H., Li X., Wang P., Qian W., Xue Y.
PLoS Genet. 2016 12(7) e1006152
A High Temperature-Dependent Mitochondrial Lipase EXTRA GLUME1 Promotes Floral Phenotypic Robustness against Temperature Fluctuation in Rice (Oryza sativa L.).
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Cai Q., Yuan Z., Chen M., Yin C., Luo Z., Zhao X., Liang W., Hu J., Zhang D.
Nat Commun 2014 5 3476
Jasmonic acid regulates spikelet development in rice.
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Sato D.S.a, Ohmori Y.a b, Nagashima H.a, Toriba T.a c, Hirano H.Y.a
Genes and Genetic Systems 2014 89 61-69
A role for TRIANGULAR HULL1 in fine-tuning spikelet morphogenesis in rice
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Zhang J., Tang W., Huang Y., Niu X., Zhao Y., Han Y., Liu Y.
J. Exp. Bot. 2014
Down-regulation of a LBD-like gene, OsIG1, leads to occurrence of unusual double ovules and developmental abnormalities of various floral organs and megagametophyte in rice.
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Li H., Xue D., Gao Z., Yan M., Xu W., Xing Z., Huang D., Qian Q., Xue Y.
Plant J. 2009 57(4) 593-605
A putative lipase gene EXTRA GLUME1 regulates both empty-glume fate and spikelet development in rice.
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Ashikawa, I., Y. Umehara, H. Tanoue, Z. Wang, S. Saji, T. Shimokawa, K. Yoshino, J. Wu, B. Antonio, K. Koike, W.Van Houten, A. Idonuma, E. Emoto, N. Kurata and T. Sasaki
Rice Genetics III. IRRI, Manila, Philippines. 1996 85-95.
Construction of a first-generation physical map of the rice genome.
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Van Houten, W., N. Kurata, Y. Umehara, T. Sasaki and Y. Minobe
Genome 1996 39 1072-1077.
Generation of a YAC contig encompassing the extra glume gene, eg, in rice.
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Yoshimura, A., O. Ideta, T. Matsumoto, T. Tsunematsu and N. Iwata
Japan. J. Breed. 1992 42(Suppl. 1) 168-169.
Integration of conventional and RFLP linkage maps in rice. 1. On chromosomes 1, 2, 3 and 4.
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Iwata, N., H. Satoh and A. Yoshimura
Bull. Inst. Trop. Agr. Kyushu Univ. 1989 12 1-9.
Linkage studies in rice (Oryza sativa L.). Linkage map of chromosome 3.
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Iwata, N., T. Omura and H. Satoh
J. Fac. Agr. Kyushu Univ. 1978 22 243-251.
Linkage studies in rice (Oryza sativa L.). On some mutants for physiological leaf spots.
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Iwata, N. and T. Omura
Japan. J. Breed. 1971 21(1) 19-28.
Linkage analysis by reciprocal translocation method in rice plants (Oryza sativa L).I. Linkage groups corresponding to the chromosome 1, 2, 3 and 4.
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DB Reference
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Gramene ID
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GR:0060287
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Ontologies
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Gene Ontology
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cell differentiation( GO:0030154 )
floral organ development( GO:0048437 )
phospholipase A1 activity( GO:0008970 )
response to heat( GO:0009408 )
chloroplast( GO:0009507 )
lipid catabolic process( GO:0016042 )
jasmonic acid biosynthetic process( GO:0009695 )
response to ethylene stimulus( GO:0009723 )
ethylene mediated signaling pathway( GO:0009873 )
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Trait Ontology
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lemma and palea anatomy and morphology trait( TO:0000079 )
jasmonic acid content( TO:0002668 )
spikelet anatomy and morphology trait( TO:0000657 )
floral organ development trait( TO:0006022 )
mesocotyl length( TO:0000544 )
coleoptile length( TO:0001007 )
ethylene sensitivity( TO:0000173 )
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Plant Ontology
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seed( PO:0009010 )
spikelet floret( PO:0009082 )
glume( PO:0009039 )
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Related Strains
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Phenotype images
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Click to full size image in new window
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Photo from
A. Yoshimura
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Last updated
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May 27, 2025
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Update info.