In vitro and in vivo stability of recombinant plasmids in a vaccine strain of Salmonella enterica var. Typhimurium.
This study examined the ability of different plasmid vectors encoding H(C) fragment, the non-toxic binding portion of tetanus toxin, to be stably retained by Salmonella enterica var. Typhimurium (Salmonella typhimurium) vaccine strain BRD509 and, upon immunisation, to induce an antibody response against the carried antigen. The H(C) fragment expression cassette containing the transcription/translation signals, H(C) fragment open reading frame and the downstream TrpA terminator, was excised fr...Expand abstract
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