Fig. 1
From: Transformed Salmonella typhimurium SL7207/pcDNA-CCOL2A1 as an orally administered DNA vaccine
Electrophoresis restriction patterns. 1. Marker (DNA Ladder [D15000]; TIANGEN, Beijing, China). 2. Original extract of the transformed strain SL7207. 3. Product of the extract obtained from the transformed strain SL7207 using EcoRI restriction enzyme. 4. Product of the extract obtained from the transformed strain SL7207 using EcoRI and HindIII restriction enzymes. 5. Positive control (product of the extract obtained from the E. coli/pcDNA-CCOL2A1 transformed strain using EcoRI and HindIII restriction enzymes)