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Basic Information
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CGSNL Gene Symbol
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SPX2
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Gene Symbol Synonym
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OsSPX2
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CGSNL Gene Name
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SPX DOMAIN PROTEIN 2
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Gene Name Synonym
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SPX (SYG/PHO81/XPR1) domain gene 2, SPX domain protein 2
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Protein Name
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SPX DOMAIN PROTEIN 2
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Allele
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spx2, osspx2
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Chromosome No.
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2
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Explanation
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Q6Z784 (japonica). A2X254 (indica). PDB accession number 7D3Y (Crystal structure of the osPHR2-osSPX2 complex). Pi signaling pathway. TO:0020098: nitrate sensitivity. GO:1900458: negative regulation of brassinosteroid mediated signaling pathway. GO:2000022: regulation of jasmonic acid mediated signaling pathway. GO:0036377: arbuscular mycorrhizal association.
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Trait Class
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Biochemical character
Vegetative organ - Leaf
Tolerance and resistance - Disease resistance
Tolerance and resistance - Stress tolerance
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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AK107245
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MSU ID
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LOC_Os02g10780.1
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RAP ID
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Os02g0202200
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Links
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Oryzabase Chromosome View
(
IRGSP 1.0
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Build5
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RAP-DB
(
IRGSP 1.0
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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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He Y., Zhao Y., Hu J., Wang L., Li L., Zhang X., Zhou Z., Chen L., Wang H., Wang J., Hong G.
Mol Plant 2024 17(2) 258-276
The OsBZR1-OsSPX1/2 module fine-tunes the growth-immunity trade-off in adaptation to phosphate availability in rice.
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Zhang Y., Zhang Q., Guo M., Wang X., Li T., Wu Q., Li L., Yi K., Ruan W.
J Integr Plant Biol 2023
NIGT1 represses plant growth and mitigates phosphate starvation signaling to balance the growth response tradeoff in rice.
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Lu S., Ye J., Li H., He F., Qi Y., Wang T., Wang W., Zheng L.
Plants (Basel) 2023 12(12)
The Splicing Factor OsSCL26 Regulates Phosphorus Homeostasis in Rice.
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Guan Z., Zhang Q., Zhang Z., Zuo J., Chen J., Liu R., Savarin J., Broger L., Cheng P., Wang Q., Pei K., Zhang D., Zou T., Yan J., Yin P., Hothorn M., Liu Z.
Nat Commun 2022 13(1) 1581
Mechanistic insights into the regulation of plant phosphate homeostasis by the rice SPX2 - PHR2 complex.
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Wu Q., Jing H.K., Feng Z.H., Huang J., Shen R.F., Zhu X.F.
Rice (N Y) 2022 15(1) 42
Salicylic Acid Acts Upstream of Auxin and Nitric Oxide (NO) in Cell Wall Phosphorus Remobilization in Phosphorus Deficient Rice.
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Pandey B.K., Verma L., Prusty A., Singh A.P., Bennett M.J., Tyagi A.K., Giri J., Mehra P.
Planta 2021 254(1) 8
OsJAZ11 regulates phosphate starvation responses in rice.
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Shi J., Zhao B., Zheng S., Zhang X., Wang X., Dong W., Xie Q., Wang G., Xiao Y., Chen F., Yu N., Wang E.
Cell 2021 184(22) 5527-5540.e18
A phosphate starvation response-centered network regulates mycorrhizal symbiosis.
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Zhang Z., Li Z., Wang W., Jiang Z., Guo L., Wang X., Qian Y., Huang X., Liu Y., Liu X., Qiu Y., Li A., Yan Y., Xie J., Cao S., Kopriva S., Li L., Kong F., Liu B., Wang Y., Hu B., Chu C.
Mol Plant 2021 14(3) 517-529
Modulation of nitrate-induced phosphate response by the MYB transcription factor RLI1/HINGE1 in the nucleus.
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He Q., Lu H., Guo H., Wang Y., Zhao P., Li Y., Wang F., Xu J., Mo X., Mao C.
Plant J. 2020
OsbHLH6 interacts with OsSPX4 and regulates the phosphate starvation response in rice.
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Zhu C.Q., Zhu X.F., Wang C., Dong X.Y., Shen R.F.
Planta 2018 248(1) 185-196
Nitrate inhibits the remobilization of cell wall phosphorus under phosphorus-starvation conditions in rice (Oryza sativa).
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Yang J., Xie M.Y., Wang L., Yang Z.L., Tian Z.H., Wang Z.Y., Xu J.M., Liu B.H., Deng L.W., Mao C.Z., Lin H.H.
Plant Cell Physiol. 2018 59(12) 2564-2575
A Phosphate-Starvation Induced RING-Type E3 ligase Maintains Phosphate Homeostasis Partially Through OsSPX2 in Rice.
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Zhong Y., Wang Y., Guo J., Zhu X., Shi J., He Q., Liu Y., Wu Y., Zhang L., Lv Q., Mao C.
New Phytol. 2018 219(1) 135-148
Rice SPX6 negatively regulates the phosphate starvation response through suppression of the transcription factor PHR2.
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Ruan W., Guo M., Xu L., Wang X., Zhao H., Wang J., Yi K.
Plant Cell 2018 30(4) 853-870
An SPX-RLI1 Module Regulates Leaf Inclination in Response to Phosphate Availability in Rice.
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Mach J.
Plant Cell 2018 30(4) 743-744
So Inclined: Phosphate Status and Leaf Angle in Rice.
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Zhao H., Frank T., Tan Y., Zhou C., Jabnoune M., Arpat A.B., Cui H., Huang J., He Z., Poirier Y., Engel K.H., Shu Q.
New Phytol. 2016
Disruption of OsSULTR3;3 reduces phytate and phosphorus concentrations and alters the metabolite profile in rice grains.
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Jeong K., Baten A., Waters D.L., Pantoja O., Julia C.C., Wissuwa M., Heuer S., Kretzschmar T., Rose T.J.
Plant Biotechnol. J. 2016
Phosphorus remobilization from rice flag leaves during grain filling: an RNA-seq study.
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Wang Z., Ruan W., Shi J., Zhang L., Xiang D., Yang C., Li C., Wu Z., Liu Y., Yu Y., Shou H., Mo X., Mao C., Wu P.
Proc. Natl. Acad. Sci. U.S.A. 2014 111(41) 14953-8
Rice SPX1 and SPX2 inhibit phosphate starvation responses through interacting with PHR2 in a phosphate-dependent manner.
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Wang Z,Hu H,Huang H,Duan K,Wu Z,Wu P
J. Integr. Plant Biol. 2009 51(7) 663-74
Regulation of OsSPX1 and OsSPX3 on expression of OsSPX domain genes and Pi-starvation signaling in rice.
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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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nucleus( GO:0005634 )
cellular response to phosphate starvation( GO:0016036 )
cellular response to cold( GO:0070417 )
positive regulation of cellular response to phosphate starvation( GO:0080040 )
response to nitrate( GO:0010167 )
response to starvation( GO:0042594 )
phosphate ion homeostasis( GO:0055062 )
response to brassinosteroid stimulus( GO:0009741 )
brassinosteroid mediated signaling( GO:0009742 )
jasmonic acid mediated signaling pathway( GO:0009867 )
regulation of flavonoid biosynthetic process( GO:0009962 )
flavonoid phytoalexin biosynthetic process( GO:0009716 )
detection of phosphate ion( GO:0010247 )
regulation of growth( GO:0040008 )
regulation of defense response( GO:0031347 )
symbiosis, encompassing mutualism through parasitism( GO:0044403 )
defense response to bacterium( GO:0042742 )
development during symbiotic interaction( GO:0044111 )
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Trait Ontology
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phosphorus sensitivity( TO:0000102 )
leaf angle( TO:0000206 )
leaf lamina joint bending( TO:0002688 )
growth and development trait( TO:0000357 )
disease resistance( TO:0000112 )
brassinosteroid sensitivity( TO:0002677 )
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Plant Ontology
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Related Strains
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Phenotype images
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Last updated
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Mar 10, 2025
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Update info.