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. 2017 Dec 12;7:17471. doi: 10.1038/s41598-017-17803-2

Figure 4.

Figure 4

Plaque morphologies of the wild-type and mutant viruses in BSR T7 cells. (A) The shape and size of plaques formed by these viruses. (B) Summary of the average plaque number and size for each virus. P-values were calculated based on a two-tailed, unpaired t-test (95% confidence levels). *P = 0.01–0.05; **P = 0.001–0.01; ***P = 0.0001–0.001. n = 3.