IFNG and infection: Ovine M1-macrophages obtained upon stimulation with IFN-γ were resistant to SRLVs infection and presented high levels of A3Z1 mRNA (this study and [8]), whereas M2 susceptible to SRLVs infection, showed low A3Z1 levels, positioning A3Z1 in the SRLVs (MVV and CAEV-like) restriction pathway.