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Basic Information
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CGSNL Gene Symbol
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LTN1
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Gene Symbol Synonym
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LTN1, OsPHO2, PHO2.1, PHO2.2, PHO2, OsUBC35, UBC35
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CGSNL Gene Name
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LEAF TIP NECROSIS 1
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Gene Name Synonym
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Leaf tip necrosis1, Phosphate Overaccumulator2, PHOSPHATE2, PHOSPHATE 2, Ubiquitin-conjugating enzyme 35
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Protein Name
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UBIQUITIN-CONJUGATING ENZYME 35
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Allele
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ospho2, ltn1, pho2
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Chromosome No.
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5
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Explanation
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AC104709, AU032431. putative ortholog of Arabidopsis PHO2. rice ortholog of AtPHO2. The alternative isoform PHO2.2 overlapped with LOC_Os05g48400 (Secco et al. 2013). a target gene of OsmiR399. TO:0020102: phosphate content. TO:0006055: selenium concentration. GO:1903426: regulation of reactive oxygen species biosynthetic process. GO:2000377: regulation of reactive oxygen species metabolic process.
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Trait Class
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Tolerance and resistance - Disease resistance
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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AK241747
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MSU ID
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LOC_Os05g48390.1
LOC_Os05g48400.1
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RAP ID
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Os05g0557700
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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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-
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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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Baek D., Hong S., Kim H.J., Moon S., Jung K.H., Yang W.T., Kim D.H.
Int J Mol Sci 2024 25(4)
OsMYB58 Negatively Regulates Plant Growth and Development by Regulating Phosphate Homeostasis.
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Lü S., Yu X., Wu X., Hu Q., Zhu X., Wu M., Hu Q., Zhao S., Hu J., Wu J., Zhang S.
Plant Physiol. 2024
The microRNA399d-PHOSPHATE2 module alters rice sensitivity to rice ragged stunt virus by manipulating phosphate uptake.
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Gho Y.S., Choi H., Moon S., Song M.Y., Park H.E., Kim D.H., Ha S.H., Jung K.H.
Front Plant Sci 2020 11 585561
Phosphate-Starvation-Inducible S-like RNase Genes in Rice Are Involved in Phosphate Source Recycling by RNA Decay.
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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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Yang Z., Yang J., Wang Y., Wang F., Mao W., He Q., Xu J., Wu Z., Mao C.
Plant Cell 2020 32(3) 740-757
PROTEIN PHOSPHATASE95 Regulates Phosphate Homeostasis by Affecting Phosphate Transporter Trafficking in Rice.
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Dong C., He F., Berkowitz O., Liu J., Cao P., Tang M., Shi H., Wang W., Li Q., Shen Z., Whelan J., Zheng L.
Plant Cell 2018 30(10) 2267-2285
Alternative Splicing Plays a Critical Role in Maintaining Mineral Nutrient Homeostasis in Rice (<i>Oryza sativa</i>).
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Zhong S., Mahmood K., Bi Y.M., Rothstein S.J., Ranathunge K.
Front Plant Sci 2017 8 928
Altered Expression of OsNLA1 Modulates Pi Accumulation in Rice (Oryza sativa L.) Plants.
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Ruan W., Guo M., Wu P., Yi K.
Plant Mol. Biol. 2016
Phosphate starvation induced OsPHR4 mediates Pi-signaling and homeostasis in rice.
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Cao Y., Ai H., Jain A., Wu X., Zhang L., Pei W., Chen A., Xu G., Sun S.
BMC Plant Biol. 2016 16(1) 210
Identification and expression analysis of OsLPR family revealed the potential roles of OsLPR3 and 5 in maintaining phosphate homeostasis in rice.
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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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E Z., Zhang Y., Li T., Wang L., Zhao H.
PLoS ONE 2015 10(4) e0122621
Characterization of the Ubiquitin-Conjugating Enzyme Gene Family in Rice and Evaluation of Expression Profiles under Abiotic Stresses and Hormone Treatments.
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Hu B., Wang W., Deng K., Li H., Zhang Z., Zhang L., Chu C.
Front Plant Sci 2015 6 188
MicroRNA399 is involved in multiple nutrient starvation responses in rice.
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Ye Y., Yuan J., Chang X., Yang M., Zhang L., Lu K., Lian X.
PLoS ONE 2015 10(5) e0126186
The Phosphate Transporter Gene OsPht1;4 Is Involved in Phosphate Homeostasis in Rice.
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Shi J., Hu H., Zhang K., Zhang W., Yu Y., Wu Z., WU P.
J. Exp. Bot. 2014 65 859-870
The paralogous SPX3 and SPX5 genes redundantly modulate Pi homeostasis in rice
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Zhang L.a, Hu B.b c, Li W.a, Che R.b c, Deng K.a, Li H.b c, Yu F.a, Ling H.d, Li Y.a, Chu C.b c
New Phytologist 2014 201 1183-1191
OsPT2, a phosphate transporter, is involved in the active uptake of selenite in rice
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Wang S., Zhang S., Sun C., Xu Y., Chen Y., Yu C., Qian Q., Jiang D.A., Qi Y.
New Phytol. 2014 201(1) 91-103
Auxin response factor (OsARF12), a novel regulator for phosphate homeostasis in rice (Oryza sativa).
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Secco D., Jabnoune M., Walker H., Shou H., Wu P., Poirier Y., Whelan J.
Plant Cell 2013 25(11) 4285-304
Spatio-Temporal Transcript Profiling of Rice Roots and Shoots in Response to Phosphate Starvation and Recovery.
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Cao Y., Yan Y., Zhang F., Hua-Dun Wang, Gu M., Xue-Neng Wu, Shu-Bin Sun, Guo-Hua Xu
J. Plant Physiol. 2013
Fine characterization of OsPHO2 knockout mutants reveals its key role in Pi utilization in rice.
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Sun S., Gu M., Cao Y., Huang X., Zhang X., Ai P., Zhao J., Fan X., Xu G.
Plant Physiol. 2012 159(4) 1571-81
A Constitutive Expressed Phosphate Transporter, OsPht1;1, Modulates Phosphate Uptake and Translocation in Phosphate-Replete Rice.
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Hu B., Zhu C., Li F., Tang J., Wang Y., Lin A., Liu L., Che R., Chu C.
Plant physiology 2011 156 1101-1105
Leaf tip necrosis1 plays a pivotal role in the regulation of multiple phosphate starvation responses in rice
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Liu F., Wang Z., Ren H., Shen C., Li Y., Hong-Qing Ling, Wu C., Lian X., WU P.
Plant J. 2010 62(3) 508-17
OsSPX1 suppresses the function of OsPHR2 in the regulation of expression of OsPT2 and phosphate homeostasis in shoots of rice.
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Wang C,Ying S,Huang H,Li K,Wu P,Shou H
Plant J. 2009 57 895-904
Involvement of OsSPX1 in phosphate homeostasis in rice.
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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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Zhou J, Jiao F, Wu Z, Li Y, Wang X, He X, Zhong W, Wu P.
Plant Physiol. 2008 146(4) 1673-86.
OsPHR2 Is Involved in Phosphate-Starvation Signaling and Excessive Phosphate Accumulation in Shoots of Plants.
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Bari R, Datt Pant B, Stitt M, Scheible WR.
Plant Physiol. 2006 141(3) 988-99
PHO2, microRNA399, and PHR1 define a phosphate-signaling pathway in plants.
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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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regulation of innate immune response( GO:0045088 )
defense response to virus( GO:0051607 )
endomembrane system( GO:0012505 )
acid-amino acid ligase activity( GO:0016881 )
phosphate ion homeostasis( GO:0055062 )
response to starvation( GO:0042594 )
response to abscisic acid stimulus( GO:0009737 )
response to auxin stimulus( GO:0009733 )
response to salt stress( GO:0009651 )
response to water deprivation( GO:0009414 )
cellular response to phosphate starvation( GO:0016036 )
regulation of phosphate transport( GO:0010966 )
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Trait Ontology
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phosphorus sensitivity( TO:0000102 )
drought tolerance( TO:0000276 )
salt tolerance( TO:0006001 )
abscisic acid sensitivity( TO:0000615 )
auxin sensitivity( TO:0000163 )
rice ragged stunt virus resistance( TO:0000386 )
phosphorus uptake( TO:0000511 )
hydrogen peroxide content( TO:0000605 )
leaf color( TO:0000326 )
leaf yellowing tolerance( TO:0002664 )
leaf rolling tolerance( TO:0002662 )
relative plant height( TO:0001034 )
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Plant Ontology
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root( PO:0009005 )
leaf( PO:0025034 )
inflorescence( PO:0009049 )
stem base( PO:0008039 )
leaf sheath( PO:0020104 )
portion of vascular tissue( PO:0009015 )
root stele( PO:0020124 )
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Related Strains
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Phenotype images
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Last updated
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Mar 12, 2026
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Update info.