Attenuated Salmonella typhimurium SV4089 as a Potential Carrier of
Oral DNA Vaccine in Chickens
Figure 2
PCR amplification of HA, NA and NP, genes of pcDNA3.1 vector from transfected S. typhimurium. M = 100 bp marker (Fermentas, Germany) lane 1–3 = HA; 4-5 = NA; 6–8 = NP.