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5. Conclusions Although viruses from all genera within the Paramyxoviridae family antagonize the IFN response, there are a wide variety of mechanisms by which this antagonism occurs. It appears that viruses from both sub-families suppress the production of IFN via the V protein for members of the Paramyxovirinae and the NS proteins for members of the Pneumovirinae. Members of the Paramyxovirinae also...
The induction of IFN-β by the paramyxovirus PIV5 (formerly known as SV5) is limited by the action of the viral V protein that targets the cellular RNA helicase mda-5. Here we show that 12 other paramyxoviruses also target mda-5 by a direct interaction between the conserved cysteine-rich C-terminus of their V proteins and the helicase domain of mda-5. The inhibition of IFN-β induction is not species-restricted,...
The V protein of the Paramyxovirus simian virus 5 (SV5) is a multifunctional protein containing an N-terminal 164 residue domain that is shared with the P protein and a distinct C-terminal domain that is cysteine-rich and which is highly conserved among Paramyxoviruses. We report the recovery from Vero cells [interferon (IFN) nonproducing cells] of a recombinant SV5 (rSV5) that lacks the V protein...
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