Figure 6
DPV downregulated duck IFN-β and ISG production via the UL41 protein. DEF cells were infected with the DPV CHv-BAC-G parent virus or the DPV CHv-BAC-G-ΔUL41 mutant virus at an MOI of 5 and then harvested and subjected to RT-PCR analysis at 4 hpi. A Quantification of IFN-β. B Quantification of Mx and OASL. C The viral titers in cytoplasmic samples were determined by TCID50. The data were analysed by one-way ANOVA. **p < 0.01, ***p < 0.001 and ****p < 0.0001.