Update info.Gene - Detail
Detail of Gene
| Basic Information | |
|---|---|
| CGSNL Gene Symbol | PTB1 |
| Gene Symbol Synonym | OsPTB1, OsRING45, RING45, OsC3HC4_050, C3HC4_050 |
| CGSNL Gene Name | POLLEN TUBE BLOCKED 1 |
| Gene Name Synonym | RING-type E3 ubiquitin ligase 45, C3HC4-type RING zinc finger protein 050 |
| Protein Name | RING-TYPE E3 UBIQUITIN LIGASE 45 |
| Allele | ptb1 |
| Chromosome No. | 5 |
| Explanation | PTB1 is an important maternal sporophytic factor of pollen tube growth and a key modulator of the rice panicle seed setting rate. |
| Trait Class |
Biochemical character
Reproductive organ - Pollination, fertilization, fertility Tolerance and resistance - Stress tolerance |
| Expression | |
| Sequence/Locus | |
| cDNA Accession No. |
AK073253
|
| MSU ID |
LOC_Os05g05280.1
|
| RAP ID |
Os05g0145000 |
| 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 | |
|
Chen K., Wang S., Xu X., Zheng X., Wu H., Huang L., Dai L., Zhan C., Zeng D., Fu L.
Plants (Basel) 2025 14(15) Genome-Wide Identification, Characterization, and Comparison of <i>C3HC4</i> Family Genes in salt tolerance Between Barley and Rice.
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Wang R., You X., Zhang C., Fang H., Wang M., Zhang F., Kang H., Xu X., Liu Z., Wang J., Zhao Q., Wang X., Hao Z., He F., Tao H., Wang D., Wang J., Fang L., Qin M., Zhao T., Zhang P., Xing H., Xiao Y., Liu W., Xie Q., Wang G.L., Ning Y.
Genome Biol. 2022 23(1) 154 An ORFeome of rice E3 ubiquitin ligases for global analysis of the ubiquitination interactome.
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Li,S., Li,W., Huang,B., Cao,X., Zhou,X., Ye,S., Li,C., Gao,F., Zou,T., Xie,K., Ren,Y., Ai,P., Tang,Y., Li,X., Deng,Q., Wang,S., Zheng,A., Zhu,J., Liu,H., Wang,L. and Li,P.
Nat Commun 2013 4 2793 Natural variation in PTB1 regulates rice seed setting rate by controlling pollen tube growth
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| DB Reference | |
| Gramene ID | - |
| Ontologies | |
| Gene Ontology |
ubiquitin-protein ligase activity( GO:0004842 )
zinc ion binding( GO:0008270 ) protein ubiquitination( GO:0016567 ) sugar mediated signaling( GO:0010182 ) response to salt stress( GO:0009651 ) |
| Trait Ontology |
salt tolerance( TO:0006001 )
|
| Plant Ontology | - |
| Related Strains | |
| - | |
| Phenotype images | |
| - | |
| Last updated | |
| Dec 5, 2025 | |
