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Basic Information
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CGSNL Gene Symbol
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FLO4
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Gene Symbol Synonym
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FLO4-4, flo4, flo4-2, flo4-3, ppdk, OsPPDK, PPDK1, CPDK1, PPDKB, OsPPDKB, cyOsPPDKB, OsPBDK, PBDK, osppdkb, PPD, cyPPDK, chPPDKB, chOsPPDKB
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CGSNL Gene Name
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FLOURY ENDOSPERM 4
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Gene Name Synonym
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floury endosperm4, floury endosperm 4, pyruvate orthophospate dikinase, "Pyruvate, phosphate dikinase 1, chloroplastic", "Pyruvate, orthophosphate dikinase 1", pyruvate orthophosphate dikinase, pyruvate orthophosphate dikinase B, cytosolic pyruvate orthophosphate dikinase, orthophosphate dikinase, Pyruvate phosphate dikinase, White-Core Rice
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Protein Name
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PYRUVATE, ORTHOPHOSPHATE DIKINASE 1
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Allele
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flo4, wcr
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Chromosome No.
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5
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Explanation
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EC=2.7.9.1 Q6AVA8. AY427567 (promoter). AJ004966. D87952. GRO:0007172; embryo stage EM6 ; GRO:0007175; embryo stage EM8 ; GRO:0007042; 08-dough stage ; GRO:0007174; embryo stage EM7 ; GRO:0007045; 09-mature grain stage. TO:0000975: grain width. GO:2000904: regulation of starch metabolic process.
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Trait Class
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Character as QTL - Grain quality
Biochemical character
Vegetative organ - Leaf
Vegetative organ - Culm
Seed - Morphological traits - Endosperm
Seed - Physiological traits - Storage substances
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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AK068025
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MSU ID
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LOC_Os05g33570.1
LOC_Os05g33570.2
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RAP ID
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Os05g0405000
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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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Lu F., Jiao G., Qiu J., Zhao S., Zhao F., Wang P., Chen L., Chen P., Li X., Dong N., Cao R., Li X., Ruan Z., Shao G., Hu S., Sheng Z., Xie L., Tang S., Hu P., Wei X.
Natl Sci Rev 2025 12(2) nwae416
A molecular module improves rice grain quality and yield at high temperatures.
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Yang Y., Yang X., Wu L., Sun Z., Zhang Y., Shen Z., Zhou J., Guo M., Yan C.
Plants (Basel) 2024 13(18)
Phenotypic Analysis and Gene Cloning of Rice floury endosperm Mutant <i>wcr</i> (White-Core Rice).
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Zhou H., Meng F., Jiang W., Lu X., Zhang R., Huang A., Wu K., Deng P., Wang Y., Zhao H., Du Y., Huo J., Du X., Feng N., Zheng D.
Front Plant Sci 2024 15 1416936
Potassium indole-3-butyric acid affects rice's adaptability to salt stress by regulating carbon metabolism, transcription factor genes expression, and biosynthesis of secondary metabolites.
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Dong N., Jiao G., Cao R., Li S., Zhao S., Duan Y., Ma L., Li X., Lu F., Wang H., Wang S., Shao G., Sheng Z., Hu S., Tang S., Wei X., Hu P.
Plant Commun 2024 5(7) 100893
OsLESV and OsESV1 promote transitory and storage starch biosynthesis to determine rice grain quality and yield.
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Jiang L., Zhong H., Jiang X., Zhang J., Huang R., Liao F., Deng Y., Liu Q., Huang Y., Wang H., Tao Y., Zheng J.
Front Plant Sci 2021 12 814928
Identification and Pleiotropic Effect Analysis of <i>GSE5</i> on Rice Chalkiness and grain shape.
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Paul P., Dhatt B.K., Miller M., Folsom J.J., Wang Z., Krassovskaya I., Liu K., Sandhu J., Yu H., Zhang C., Obata T., Staswick P., Walia H.
Plant Physiol. 2020 182(2) 933-948
<i>MADS78</i> and <i>MADS79</i> Are Essential Regulators of Early Seed Development in Rice.
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Wang H., Zhang Y., Sun L., Xu P., Tu R., Meng S., Wu W., Anis G.B., Hussain K., Riaz A., Chen D., Cao L., Cheng S., Shen X.
Int J Mol Sci 2018 19(8)
<i>WB1</i>, a Regulator of Endosperm Development in Rice, Is Identified by a Modified MutMap Method.
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Wang H., Mo Y.J., Im D.E., Jang S.G., Ham T.H., Lee J., Jeung J.U., Kwon S.W.
Mol. Genet. Genomics 2018
A new SNP in cyOsPPDK gene is associated with floury endosperm in Suweon 542.
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Xu E., Chen M., He H., Zhan C., Cheng Y., Zhang H., Wang Z.
Front Plant Sci 2016 7 2006
Proteomic Analysis Reveals Proteins Involved in Seed Imbibition under Salt Stress in Rice.
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Liu J., Shen J., Xu Y., Li X., Xiao J., Xiong L.
J. Exp. Bot. 2016 67(19) 5785-5798
Ghd2, a CONSTANS-like gene, confers drought sensitivity through regulation of senescence in rice.
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Yang J., Kim S.R., Lee S.K., Choi H., Jeon J.S., An G.
Plant Sci. 2015 240 79-89
Alanine aminotransferase 1 (OsAlaAT1) plays an essential role in the regulation of starch storage in rice endosperm.
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Mo Y.J., Jeung J.U., Shin Y.S., Park C.S., Kang K.H., Kim B.K.
Rice (N Y) 2013 6 37
Agronomic and genetic analysis of Suweon 542, a rice floury mutant line suitable for dry milling.
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Yamaguchi, Takeshi
Plant Physiol. 2007 144(1) 258-277
Comprehensive Expression Profiling of Rice Grain Filling-Related Genes under High Temperature Using DNA Microarray.
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Kang HG, Park S, Matsuoka M, An G.
Plant J. 2005 42(6) 901-911
White-core endosperm floury endosperm-4 in rice is generated by knockout mutations in the C-type pyruvate orthophosphate dikinase gene (OsPPDKB).
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Qu,L.Q. and Takaiwa,F.
Plant Biotechnol J. 2004 2(2) 113-125
Evaluation of tissue specificity and expression strength of rice seed component gene promoters in transgenic rice
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A Moons, R Valcke, M Van Montagu
Plant J. 1998 15(1) 89-98
Low-oxygen stress and water deficit induce cytosolic pyruvate orthophosphate dikinase (PPDK) expression in roots of rice, a C3 plant.
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Imaizumi,N., Ku,M.S., Ishihara,K., Samejima,M., Kaneko,S. and Matsuoka,M.
Plant Mol. Biol. 1997 34(5) 701-716
Characterization of the gene for pyruvate,orthophosphate dikinase from rice, a C3 plant, and a comparison of structure and expression between C3 and C4 genes for this protein.
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DB Reference
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Gramene ID
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GR:0101188
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Ontologies
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Gene Ontology
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regulation of starch biosynthetic process( GO:0010581 )
response to auxin stimulus( GO:0009733 )
response to indolebutyric acid stimulus( GO:0080026 )
response to heat( GO:0009408 )
ATP binding( GO:0005524 )
cytosol( GO:0005829 )
photosynthesis( GO:0015979 )
magnesium ion binding( GO:0000287 )
asparagine biosynthetic process( GO:0006529 )
leaf senescence( GO:0010150 )
phosphorylation( GO:0016310 )
transferase activity, transferring phosphorus-containing groups( GO:0016772 )
starch biosynthetic process( GO:0019252 )
pyruvate, phosphate dikinase activity( GO:0050242 )
transferase activity( GO:0016740 )
lipid biosynthetic process( GO:0008610 )
response to light stimulus( GO:0009416 )
chloroplast( GO:0009507 )
plastid( GO:0009536 )
kinase activity( GO:0016301 )
response to salt stress( GO:0009651 )
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Trait Ontology
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floury endosperm( TO:0000104 )
light sensitivity( TO:0000075 )
leaf senescence( TO:0000249 )
salt tolerance( TO:0006001 )
heat tolerance( TO:0000259 )
starch content( TO:0000696 )
amylose content( TO:0000196 )
chalky endosperm( TO:0000266 )
1000-seed weight( TO:0000382 )
auxin sensitivity( TO:0000163 )
grain weight( TO:0000590 )
endosperm color( TO:0000487 )
starch grain synthesis( TO:0002658 )
albumin content( TO:0002680 )
endosperm storage protein content( TO:0002653 )
protein composition related trait( TO:0000490 )
globulin protein content( TO:0000710 )
plant height( TO:0000207 )
grain length( TO:0000734 )
tiller number( TO:0000346 )
grain thickness( TO:0000399 )
seed quality( TO:0000162 )
grain yield( TO:0000396 )
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Plant Ontology
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aleurone layer( PO:0005360 )
root( PO:0009005 )
endosperm( PO:0009089 )
leaf lamina( PO:0020039 )
4 leaf senescence stage( PO:0001054 )
leaf sheath( PO:0020104 )
scutellum( PO:0020110 )
seed imbibition stage( PO:0007022 )
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Related Strains
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Phenotype images
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Last updated
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Jun 17, 2025
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