Fig. 1From: Development of short hairpin RNA expression vectors targeting the internal ribosomal entry site of the classical swine fever virus genomic RNAPosition of siRNAs in domain III of CSFV-IRES. The positions of siRNA, si42, si56, si107, si142, and si198 in CSFV-IRES are indicated as dotted lines. Subdomains IIIa–IIIf are also indicatedBack to article page