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The Consequences of Reconfiguring the Ambisense S Genome Segment of Rift Valley Fever Virus on Viral Replication in Mammalian and Mosquito Cells and for Genome Packaging

Figure 3

Protein expression by recombinant viruses.

A. Western blot analysis of proteins synthesised in BHK-21 cells infected with rMP12 (M), rMP12:S-Swap (S), rMP12ΔNSs:eGFP (MΔ) or rMP12:S-SwapΔNSs:eGFP (SΔ) at MOI of 1. Cell lysates, prepared at the indicated h p.i., were fractionated by SDS-PAGE, and after transfer, membranes were reacted with rabbit antibodies specific for N, NSs, Gn or eGFP as indicated. Anti-tubulin antibodies were used as a loading control. B. eGFP fluorescence in BHK-21 infected with rMP12ΔNSs:eGFP or rMP12:S-SwapΔNSs:eGFP as above. C. Western blot analysis of infected mosquito cells. A.albopictus C6/36, U4.4 or A. aegypti Ae cells were infected with recombinant viruses (MOI of 1) and lysates prepared at different times post infection. Fractionated proteins were probed with the indicated antibodies. D. eGFP fluorescence in mosquito cells infected with rMP12ΔNSs:eGFP or rMP12:S-SwapΔNSs:eGFP as above. Note that eGFP fluorescence in parts B and D was recorded first and then the same cells were harvested for the western blotting.

Figure 3

doi: https://doi.org/10.1371/journal.ppat.1003922.g003