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Genetic element
(GENE)
last updated: 01 Jun 2026
RNA Polymerase III promoter
EN
-
OsU3EN
-
Rice U3 promoterEN
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Rice U3 snRNA promoterEN
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Rice U3 small nuclear RNA promoterEN
P-U3-ORYSA
EN
Promoter
Yes
-
BCH-ORGA-SCBD-10454-5 Organism Oryza sativa (Rice, ORYSA)Crops
EN
The OsU3 promoter is a highly efficient RNA Polymerase III promoter derived from rice (Oryza sativa) that directs constitutive transcription of small non-coding RNAs. It is widely used in plant biotechnology to drive the expression of single guide RNAs (sgRNAs) for CRISPR/Cas9 genome editing. The promoter is characterized by strong constitutive activity, high transcriptional efficiency, and precise transcription initiation, making it particularly effective for targeted genome editing in rice and other monocot species.
| Record type | Field | Record(s) | |
|---|---|---|---|
| Living Modified Organism | Introduced or modified genetic element(s) | 1 | |
| Living Modified Organism | Genetic elements construct | 1 | |
