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. 2015 Oct 26;5:15584. doi: 10.1038/srep15584

Figure 6. Fusogenic activity of mutant aMPV F proteins exposed to low or neutral pH.

Figure 6

(a,b) The fusogenic activity of aMPV F proteins exposed to low or neutral pH was measured using syncytium formation and reporter gene assays. P < 0.05 and P < 0.005 are respectively presented as **and ***. (c) Syncytium induced through mutant aMPV F proteins at low or neutral pH treatment (magnification: 100×, 8 cm × 8 cm as shown). (d) The expression of wild-type and mutant aMPV F proteins exposed to low pH or neutral pH was analyzed through biotinylation and western blot analyses.