Gene - Detail

Detail of Gene

Basic Information
CGSNL Gene Symbol UGP2
Gene Symbol Synonym Ugp2, OsUgp2
CGSNL Gene Name UDP-GLUCOSE PYROPHOSPHORYLASE 2
Gene Name Synonym UDP-Glucose Pyrophosphorylase2, UDP-Glucose Pyrophosphorylase 2, UDPGase 2
Protein Name UDP-GLUCOSE PYROPHOSPHORYLASE 2
Allele
Chromosome No. 2
Explanation AF249880.
Trait Class Biochemical character
Reproductive organ - Pollination, fertilization, fertility - Male sterility
Expression
Sequence/Locus
cDNA Accession No. AK071248
MSU ID LOC_Os02g02560.1
RAP ID Os02g0117700
Links Oryzabase Chromosome View ( IRGSP 1.0 / Build5 )
RAP-DB ( IRGSP 1.0 / Build5 )
Related IDs List ( IRGSP 1.0 / Build5 )
INSD Accession List
(Test version) 		Link to INSD Accession List
Map
Locate(cM)
Link map Classical linkage map
References
Zhao S., Zhang S., Xu W., Fang S., Liu M., Wang L., Zhang X., Chen B., Wei S., Zhao H.
PLoS ONE 2026  21(1)  e0338401
Fine mapping and transcriptomics reveal OSG function in regulation of grain size and pollen fertility in rice (Oryza sativa).
He Z., Zou T., Xiao Q., Yuan G., Liu M., Tao Y., Zhou D., Zhang X., Deng Q., Wang S., Zheng A., Zhu J., Liang Y., Yu X., Wang A., Liu H., Wang L., Li P., Li S.
Development 2021  148(6) 
An L-type lectin receptor-like kinase promotes starch accumulation during rice pollen maturation.
Ren L., Tang D., Zhao T., Zhang F., Liu C., Xue Z., Shi W., Du G., Shen Y., Li Y., Cheng Z.
New Phytol. 2018  218(2)  789-803
OsSPL regulates meiotic fate acquisition in rice.
Pu C.X., Han Y.F., Zhu S., Song F.Y., Zhao Y., Wang C.Y., Zhang Y.C., Yang Q., Wang J., Bu S.L., Sun L.J., Zhang S.W., Zhang S.Q., Sun D.Y., Sun Y.
Plant Cell 2017  29(1)  70-89
The Rice Receptor-Like Kinases DWARF AND RUNTISH SPIKELET1 and 2 Repress Cell Death and Affect Sugar Utilization during Reproductive Development.
Huang Z., Gan Z., He Y., Li Y., Liu X., Mu H.
Mol. Biol. Rep. 2011  38(7)  4291-302
Functional analysis of a rice late pollen-abundant UDP-glucose pyrophosphorylase (OsUgp2) promoter.
Mu H., JianHao Ke, Liu W., ChuXiong Zhuang, WingKin Yip
Chinese Science Bulletin 2009  54  234-243
UDP-glucose pyrophosphorylase2 (OsUgp2), a pollen-preferential gene in rice, plays a critical role in starch accumulation during pollen maturation
Chen,R., Zhao,X., Shao,Z., Wei,Z., Wang,Y., Zhu,L., Zhao,J. and Sun,M.
Plant Cell 2007  19(3)  847-861
Rice UDP-Glucose Pyrophosphorylase1 Is Essential for Pollen Callose Deposition and Its Cosuppression Results in a New Type of Thermosensitive Genic Male Sterility
Chen,R., Zhao,X., Shao,Z., Zhu,L. and He,G.
Physiol. Plantarum 2007  129(4)  725-736
Multiple isoforms of UDP-glucose pyrophosphorylase in rice
DB Reference
Gramene ID -
Ontologies
Gene Ontology UTP:glucose-1-phosphate uridylyltransferase activity( GO:0003983 )
nucleotidyltransferase activity( GO:0016779 )
starch biosynthetic process( GO:0019252 )
pollen development( GO:0009555 )
Trait Ontology starch content( TO:0000696 )
pollen fertility( TO:0000421 )
Plant Ontology anther( PO:0009066 )
floral organ( PO:0025395 )
pollen( PO:0025281 )
pollen development stage( PO:0001007 )
Related Strains
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Phenotype images
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Last updated
Aug 8, 2026

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