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US 5,354,854 AGranted
Expression system for use in plants to suppress foreign expression and method
AssigneeThe Curators of the University of Missouri
InventorsJune E. Bourque, William R. Folk
Life of this patent
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Abstract
An expression system and method for using the same in plants to suppress gene expression, the system including a constitutive promoter element from a tRNA gene and an antisense strand DNA fused to the promoter element for being co-transcribed with the promoter element by an RNA polymerase III to suppress expression of a gene.
Claims2
An expression system for use in plants to suppress foreign gene expression, said system consisting essentially of:
- a constitutive promoter element from a plant tRNA methionine initiator (tRNA.sup.met) gene, said promoter element lacking a terminator, and a DNA sequence in reverse orientation fused to said promoter element for being co-transcribed with said promoter element by an RNA polymerase III to inhibit expression of the foreign gene.
Dependencies are inferred from the claim text.