Figure 5From: Evolution of the uniquely adaptable lentiviral envelope in a natural reservoir hostModes of selection in V1V2 and gag. (A) Positive selection (dN>dS) in env V1 and (B) purifying selection (dN<dS) in gag p27 within animal FQi is shown through a sliding window analysis of nonsynonymous and synonymous substitution rate.Back to article page