In vitro synthesis of the murine norovirus VF1 protein.

(A) Coupled in vitro transcription and translation of a cDNA construct containing the murine norovirus 1 (MNV) sgRNA was performed prior to immunoprecipitation (IP) with polyclonal antisera to VP1, VP2 or VF1. Immunoprecipitated complexes were subsequently resolved by SDS-PAGE (15% polyacrylamide) alongside an aliquot of the complete reaction prior to immunoprecipitation (SG). (B) Western blot analysis indicating VF1 expression during virus high multiplicity infection. RAW264.7 cells were infected with MNV-1 at a MOI of 5 TCID50 per cell. Protein samples were prepared at various times post infections (HPI) and then separated by SDS-PAGE (15% polyacrylamide) prior to immune-blotting with antisera to VF1, NS7 or VP2.

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