Figure 1From: A novel Bifidobacterium infantis-mediated TK/GCV suicide gene therapy system exhibits antitumor activity in a rat model of bladder cancerConstruction and verification of Bifidobacterium infantis-mediated TK tumor-targeting suicide gene therapy system. Plasmid DNA was purified from anaerobic culture, digested with restriction enzymes, and resolved on 1% agarose gel. The expected 6.0 kb fragment of pGEX-TK is indicated by arrows.Back to article page