Figure 3
From: Human cytomegalovirus plasmid-based amplicon vector system for gene therapy
Southern blot analysis of passage 1 of HCMV amplicon DNA probed with plasmid pUC9. Lane 1. Plasmid Tn9-8 linearized with Hind III serves as a marker for correct migration of monomeric repeats. Lane 2. Plasmid Tn9-8 restricted with Hind III and Dpn I as a control for non-replicating DNA. Lanes 3–5. Infected cell DNAs restricted with Hind III and Dpn I. The signal in lanes 3–5 (arrow) demonstrates authentic replication and packaging of amplicon Tn9-8 in eucaryotic cells.