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Showing 1 to 1 of 1 for “"leucine auxotroph"”.
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Development of an Antibiotic Resistance Free Bivalent Vaccine Against Swine Brucellosis and Swine Influenza
… vaccine for swine against these two diseases, a leucine auxotroph of the USDA approved vaccine B. abortus strain RB51 was constructed along with leuB gene complementing plasmid pNS4 to over-express antigens from Brucella and influenza. This antibiotic resistance free system over-expressed …