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The capsid (Cap) protein, an important immunoprotective protein of porcine circovirus type 2 (PCV2), was expressed on the cell surface of the Gram-positive food-grade bacterium, Lactococcus lactis. Cap protein was fused to the peptidoglycan binding domain (known as the protein anchor domain, PA) of the lactococcal AcmA cell-wall hydrolase. The Cap protein(More)
To improve the preservation period without cold-chain of the live attenuated vaccine of porcine reproductive and respiratory syndrome (PRRS), a set of thermostable formulations composed of trehalose, tryptone and other protectants were dried by vacuum foam drying (VFD) along with PRRSV solutions. In the 37°C and 45°C resistance ageing test, the dried foam(More)
To construct a recombinant T7 phage expressing matrix protein 2 ectodomain (M2e) peptides of avian influenza A virus and test immunological and protective efficacy in the immunized SPF chickens. M2e gene sequence was obtained from Genbank and two copies of M2e gene were artificially synthesised, the M2e gene was then cloned into the T7 select 415-1b phage(More)
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