Research Article

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.
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