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Fig. 3 | BMC Veterinary Research

Fig. 3

From: The recombinant pseudorabies virus expressing porcine deltacoronavirus spike protein is safe and effective for mice

Fig. 3

Biological characteristics of rPRVXJ delgE/gI/TK-S. A. Electron microscopic observation of recombinant strains. (a) PRV XJ. (b) rPRVXJ-delgE/gI/TK-EGFP. (c) rPRVXJ-delgE/gI/TK-S. B. One-step growth curve. C. Plaque test. The experiment was repeated three times. Ten plaques were randomly selected for each strain to calculate plaque size. Data are expressed as mean ± SD. Significant difference was indicated by “***” (P < 0.001); Extremely significant difference was indicated by “**” (P < 0.01); Significant difference was indicated by “*” (P < 0.05); No significant difference was indicated by “ns” (P > 0.05)

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