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. 2018 Jan 9;8:209. doi: 10.1038/s41598-017-18638-7

Figure 1.

Figure 1

Generation and characterization of the recombinant MDV mutants. (A) Overview of MDV genome with a focus on the vTR with its eight conserved regions (CR1-CR8). Recombinant viruses that either lack the entire vTR (v∆vTR), harbor EBER-1 (vEBER-1) or EBER-2 (vEBER-2) instead of vTR are shown below. The vTR sequences were completely restored in the revertant virus (vRev). (B) Plaque size assays of indicated recombinant viruses. The plaque sizes are shown as box plots with minimums and maximums. Results are shown as the means of three independent experiments (p > 0.05; one-way ANOVA, n = 150). (C) Multi-step growth kinetics of indicated viruses. The average titer and standard deviations (error bar) are shown of triplicates of one independent experiment (p > 0.05; Kruskal-Wallis test).