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Basic Information
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CGSNL Gene Symbol
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PHO1;2
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Gene Symbol Synonym
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OsPHO1;2, PHO1.2, OsPHO1.2, PHO1
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CGSNL Gene Name
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PHOSPHATE TRANSPORTER 1;2
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Gene Name Synonym
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PHOSPHATE1;2, PHOSPHATE1.2
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Protein Name
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Allele
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Ospho1;2, Ospho1;2-ko1, Ospho1;2-ko2, Ospho1;2-ko3, Ospho1;2-ko4, Ospho1;2-ko5, Ospho1;2-ko6, Ospho1;2-ko7, Ospho1;2-ko8, OsPHO1;2:PE, OsPHO1;2:PE5, OsPHO1;2PE8, Ospho1;2-1, Ospho1;2-2
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Chromosome No.
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2
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Explanation
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Q6K991. Root-to-shoot Pi transfer. PHO1 in Wang et al. 2020. TO:0020102: phosphate content. PO:0030123: panicle inflorescence. GO:0090408: phloem nitrate loading. GO:1905157: positive regulation of photosynthesis.
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Trait Class
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Biochemical character
Seed
Seed - Morphological traits - Endosperm
Tolerance and resistance - Stress tolerance
Character as QTL - Grain quality
Character as QTL - Yield and productivity
Character as QTL - Plant growth activity
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Expression
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Sequence/Locus
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cDNA Accession No.
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AK100323
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MSU ID
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LOC_Os02g56510.1
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RAP ID
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Os02g0809800
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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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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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Kuang H., Yan M., Chen S., Deng T., Chen W., Xie M., Wang Z., Zhu Y., Lin H., Yang J.
Rice (N Y) 2025 18(1) 84
Genetic Dissection of Rice Plant-Specific Non-ε Group 14-3-3 Proteins in Response to Phosphate Starvation.
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Maurya K., Mani B., Singh B., Sirohi U., Jaskolowski A., Sharma S., Tatiparthi H.V., Mangrauthia S.K., Pandey R., Poirier Y., Giri J.
Plant Biotechnol. J. 2025 23(9) 3864-3878
Editing cis-elements of OsPHO1;2 improved phosphate transport and yield in rice.
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Ko S.S., Lu W.C., Hung J.C., Chang H.F., Li M.J., Yeh K.C., Chiou T.J.
New Phytol. 2024 244(2) 351-357
Maternal effect contributes to grain-filling defects of Ospho1;2 rice mutants.
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Ma B., Zhang Y., Fan Y., Zhang L., Li X., Zhang Q.Q., Shu Q., Huang J., Chen G., Li Q., Gao Q., Zhu X.G., He Z., Wang P.
Proc. Natl. Acad. Sci. U.S.A. 2024 121(34) e2404199121
Genetic improvement of phosphate-limited photosynthesis for high yield in rice.
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Yang M., Sakruaba Y., Ishikawa T., Ohtsuki N., Kawai-Yamada M., Yanagisawa S.
Plant Physiol. 2023
Chloroplastic Sec14-like proteins modulate growth and phosphate deficiency responses in Arabidopsis and rice.
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Reis R.S., Deforges J., Schmidt R.R., Schippers J.H.M., Poirier Y.
Plant Cell 2021
An antisense noncoding RNA enhances translation via localised structural rearrangements of its cognate mRNA.
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Ma B., Zhang L., Gao Q., Wang J., Li X., Wang H., Liu Y., Lin H., Liu J., Wang X., Li Q., Deng Y., Tang W., Luan S., He Z.
Nat. Genet. 2021 53(6) 906-915
A plasma membrane transporter coordinates phosphate reallocation and grain filling in cereals.
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Ai H., Cao Y., Jain A., Wang X., Hu Z., Zhao G., Hu S., Shen X., Yan Y., Liu X., Sun Y., Lan X., Xu G., Sun S.
J. Exp. Bot. 2020 71(16) 4828-4842
The ferroxidase LPR5 functions in the maintenance of phosphate homeostasis and is required for normal growth and development of rice.
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Wang F., Deng M., Chen J., He Q., Jia X., Guo H., Xu J., Liu Y., Zhang S., Shou H., Mao C.
Plant Physiol. 2020 183(1) 250-262
CASEIN KINASE2-Dependent Phosphorylation of PHOSPHATE2 Fine-tunes Phosphate Homeostasis in Rice.
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Chaiwong N., Prom-U-Thai C., Bouain N., Lacombe B., Rouached H.
Int J Mol Sci 2018 19(3)
Individual versus Combinatorial Effects of Silicon, Phosphate, and Iron Deficiency on the Growth of Lowland and Upland Rice Varieties.
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Begum M.C., Islam M.S., Islam M., Amin R., Parvez M.S., Kabir A.H.
Plant Physiol. Biochem. 2016 104 266-277
Biochemical and molecular responses underlying differential arsenic tolerance in rice (Oryza sativa L.).
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Jabnoune M., Secco D., Lecampion C., Robaglia C., Shu Q., Poirier Y.
Plant Cell 2013 25(10) 4166-82
A Rice cis-Natural Antisense RNA Acts as a Translational Enhancer for Its Cognate mRNA and Contributes to Phosphate Homeostasis and Plant Fitness.
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Secco D,Baumann A,Poirier Y
Plant Physiol. 2010 152 1693-704
Characterization of the rice PHO1 gene family reveals a key role for OsPHO1;2 in phosphate homeostasis and the evolution of a distinct clade in dicotyledons.
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DB Reference
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Gramene ID
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-
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Ontologies
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Gene Ontology
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response to arsenic( GO:0046685 )
phosphate transport( GO:0006817 )
integral to membrane( GO:0016021 )
plasma membrane( GO:0005886 )
trans-Golgi network( GO:0005802 )
response to starvation( GO:0042594 )
cellular response to phosphate starvation( GO:0016036 )
phloem transport( GO:0010233 )
phosphate ion homeostasis( GO:0055062 )
seed maturation( GO:0010431 )
polyphosphate biosynthetic process( GO:0006799 )
inositol phosphate-mediated signaling( GO:0048016 )
phosphate transmembrane transporter activity( GO:0015114 )
inositol hexakisphosphate binding( GO:0000822 )
Golgi apparatus( GO:0005794 )
cytoplasm( GO:0005737 )
regulation of photosynthesis( GO:0010109 )
phloem loading( GO:0009915 )
carbon utilization by fixation of carbon dioxide( GO:0015977 )
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Trait Ontology
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photosynthetic rate( TO:0001015 )
photosynthetic ability( TO:0000316 )
starch content( TO:0000696 )
seed size( TO:0000391 )
endosperm color( TO:0000487 )
chalky endosperm( TO:0000266 )
phosphorus content( TO:0001024 )
panicle length( TO:0000040 )
flag leaf lamina width( TO:0002758 )
plant height( TO:0000207 )
tiller number( TO:0000346 )
filled grain number( TO:0000447 )
phosphorus uptake( TO:0000511 )
root number( TO:0000084 )
root length( TO:0000227 )
growth and development trait( TO:0000357 )
relative shoot dry weight( TO:0000636 )
shoot dry weight( TO:0000552 )
panicle number( TO:0000152 )
grain number( TO:0002759 )
relative plant height( TO:0001034 )
total biomass yield( TO:0000457 )
relative biomass( TO:0000143 )
phosphorus sensitivity( TO:0000102 )
grain yield( TO:0000396 )
seedling height( TO:0000019 )
seed development trait( TO:0000653 )
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Plant Ontology
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nucellar epidermis( PO:0008006 )
caryopsis hull( PO:0006000 )
inflorescence( PO:0009049 )
seed( PO:0009010 )
pericarp( PO:0009084 )
endosperm( PO:0009089 )
plant embryo( PO:0009009 )
shoot node( PO:0005004 )
vascular bundle( PO:0005020 )
plant ovule( PO:0020003 )
root( PO:0009005 )
seed maturation stage( PO:0007632 )
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Related Strains
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Phenotype images
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Last updated
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Mar 9, 2026
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Update info.