Gene - Detail

Detail of Gene

Basic Information
CGSNL Gene Symbol PHO1
Gene Symbol Synonym Pho1, OsPho1, OsPHOL, PHOL, OsPHOI, PHOI
CGSNL Gene Name STARCH PHOSPHORYLASE 1
Gene Name Synonym Starch phosphorylase 1, plastidial starch phosphorylase1, plastidial starch phosphorylase 1, Plastidic a-1,4-glucan phosphorylase 2, starch phosphorylase L
Protein Name STARCH PHOSPHORYLASE 1
Allele pho1, pho1-1, pho1-2
Chromosome No. 3
Explanation AB441692, AB441693, AB441694, AF327055. D23280.
Trait Class Biochemical character
Seed - Morphological traits - Endosperm
Seed - Physiological traits - Storage substances
Expression
Sequence/Locus
cDNA Accession No. AK063766
MSU ID LOC_Os03g55090.1
RAP ID Os03g0758100
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) 		-
Map
Locate(cM)
Link map Classical linkage map
References
Liu N., Li J., Wang C.C., Yang T., Li A., Zeng P., Peng H., Zhang Y., Huang D., Zheng X., Zhang X.Q.
Plants (Basel) 2025  14(17) 
Extensin-like Protein OsPEX1 Modulates Grain Filling in Rice.
Huang K., Chen L., Jiao G., Ruan Z., Li X., Tang S., Hu P., Wei X.
Life (Basel) 2025  15(6) 
<i>OsMYBR1</i>, a 1R-MYB Family Transcription Factor Regulates Starch Biosynthesis in Rice Endosperm.
Guo D., Chen L., Liu S., Jiang W., Ye Q., Wu Z., Wang X., Hu X., Zhang Z., He H., Hu L.
Plants (Basel) 2023  12(17) 
<i>Curling Leaf 1</i>, Encoding a MYB-Domain Protein, Regulates Leaf Morphology and Affects Plant Yield in Rice.
Jin S.K., Zhang M.Q., Leng Y.J., Xu L.N., Jia S.W., Wang S.L., Song T., Wang R.A., Yang Q.Q., Tao T., Cai X.L., Gao J.P.
Front Plant Sci 2022  13  905148
<i>OsNAC129</i> Regulates Seed Development and Plant Growth and Participates in the Brassinosteroid Signaling Pathway.
Fukayama H., Miyagawa F., Shibatani N., Koudou A., Sasayama D., Hatanaka T., Azuma T., Yamauchi Y., Matsuoka D., Morita R.
Plant Cell Environ. 2021  44(8)  2480-2493
CO2 -responsive CCT protein interacts with 14-3-3 proteins and controls the expression of starch synthesis-related genes.
Hu L., Tu B., Yang W., Yuan H., Li J., Guo L., Zheng L., Chen W., Zhu X., Wang Y., Qin P., Ma B., Li S.
Plant Physiol. 2020  183(3)  1073-1087
Mitochondria-Associated pyruvate kinase Complexes Regulate Grain Filling in Rice.
Baysal C., He W., Drapal M., Villorbina G., Medina V., Capell T., Khush G.S., Zhu C., Fraser P.D., Christou P.
Proc. Natl. Acad. Sci. U.S.A. 2020  117(42)  26503-26512
Inactivation of rice starch branching enzyme IIb triggers broad and unexpected changes in metabolism by transcriptional reprogramming.
Xue M., Liu L., Yu Y., Zhu J., Gao H., Wang Y., Wan J.
Rice (N Y) 2019  12(1)  100
Lose-of-Function of a Rice Nucleolus-Localized Pentatricopeptide Repeat Protein Is Responsible for the floury endosperm14 Mutant Phenotypes.
Pérez L., Soto E., Villorbina G., Bassie L., Medina V., Muñoz P., Capell T., Zhu C., Christou P., Farré G.
Transgenic Res. 2018  27(5)  423-439
CRISPR/Cas9-induced monoallelic mutations in the cytosolic AGPase large subunit gene APL2 induce the ectopic expression of APL2 and the corresponding small subunit gene APS2b in rice leaves.
Zhu X., Shen W., Huang J., Zhang T., Zhang X., Cui Y., Sang X., Ling Y., Li Y., Wang N., Zhao F., Zhang C., Yang Z., He G.
Plant Cell Physiol. 2018  59(3)  487-499
Mutation of the OsSAC1 Gene, which Encodes an Endoplasmic Reticulum Protein with an Unknown Function, Causes Sugar Accumulation in Rice Leaves.
Hwang S.K., Singh S., Cakir B., Satoh H., Okita T.W.
Planta 2016  243(4)  999-1009
The plastidial Starch phosphorylase from rice endosperm: catalytic properties at low temperature.
Hwang S.K., Koper K., Satoh H., Okita T.W.
J. Biol. Chem. 2016   
Rice endosperm starch phosphorylase (Pho1) assembles with disproportionating enzyme (Dpe1) to form a protein complex that enhances synthesis of malto-oligosaccharides.
Morita R., Sugino M., Hatanaka T., Misoo S., Fukayama H.
Plant Physiol. 2015  167(4)  1321-31
CO2-Responsive CONSTANS, CONSTANS-Like, and Time of Chlorophyll a/b Binding Protein Expression1 Protein Is a Positive Regulator of Starch Synthesis in Vegetative Organs of Rice.
Park S.H., Chung P.J., Juntawong P., Bailey-Serres J., Kim Y.S., Jung H., Bang S.W., Kim Y.K., Do Choi Y., Kim J.K.
Plant Physiol. 2012  159(3)  1111-24
Posttranscriptional Control of Photosynthetic mRNA Decay under Stress Conditions Requires 3' and 5' Untranslated Regions and Correlates with Differential Polysome Association in Rice.
Nakamura Y., Ono M., Utsumi C., Steup M.
Plant Cell Physiol. 2012  53(5)  869-78
Functional Interaction between Plastidial Starch Phosphorylase and Starch Branching Enzymes from Rice during the Synthesis of Branched Maltodextrins.
Satoh,H., Shibahara,K., Tokunaga,T., Nishi,A., Tasaki,M., Hwang,S.K., Okita,T.W., Kaneko,N., Fujita,N., Yoshida,M., Hosaka,Y., Sato,A., Utsumi,Y., Ohdan,T. and Nakamura,Y.
Plant Cell 2008  20(7)  1833-1849
Mutation of the Plastidial {alpha}-Glucan Phosphorylase Gene in Rice Affects the Synthesis and Structure of Starch in the Endosperm
Sasaki,T., Song,J., Koga-Ban,Y., Matsui,E., Fang,F., Higo,H., Nagasaki,H., Hori,M., Miya,M. and Murayama-Kayano,E.
Plant J. 1994  6(4)  615-624
Toward cataloguing all rice genes: large-scale sequencing of randomly chosen rice cDNAs from a callus cDNA library.
DB Reference
Gramene ID -
Ontologies
Gene Ontology chloroplast stroma( GO:0009570 )
carbohydrate metabolic process( GO:0005975 )
glycogen phosphorylase activity( GO:0008184 )
pyridoxal phosphate binding( GO:0030170 )
response to temperature stimulus( GO:0009266 )
response to water deprivation( GO:0009414 )
endosperm development( GO:0009960 )
starch biosynthetic process( GO:0019252 )
oligosaccharide biosynthetic process( GO:0009312 )
regulation of starch biosynthetic process( GO:0010581 )
Trait Ontology starch grain synthesis( TO:0002658 )
Plant Ontology endosperm( PO:0009089 )
leaf( PO:0025034 )
mesophyll cell( PO:0004006 )
anther( PO:0009066 )
stem( PO:0009047 )
leaf sheath( PO:0020104 )
Related Strains
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Phenotype images
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Last updated
Jan 19, 2026

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