A ribozyme that enhances gene suppression in tobacco protoplasts.

Abstract excerpt

Site-directed mutagenesis has been used to produce two hammerhead ribozyme molecules targeting the chloramphenicol acetyltransferase gene (CAT). One ribozyme has a single catalytic domain between two 12-nucleotide arms that can hybridize 5' and 3' of the GUC target site of the CAT RNA transcript. The second ribozyme is a full-length antisense RNA with four catalytic domains inserted along the length, each...

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