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Molecular Ecology and Natural History of Simian Foamy Virus Infection in Wild-Living Chimpanzees

Figure 7

Evolutionary relationships of newly derived SFVcpz strains in the gag region.

Gag (616 bp) sequences were analyzed as described in Figure 6. The gag tree was rooted using a relaxed clock. Posterior probabilities are indicated on well-supported nodes, either as asterisks (100%) or filled circles (90%–99%). Newly identified SFVcpz strains are color coded according to their subspecies of origin (Figure 1). Representative strains from the database are shown in black. Plus signs (+) denote sequences that represent placeholders of multiple viruses with identical sequences (Table S2). Sample WE464 (boxed) was collected in the P. t. vellerosus range, but has a P. t. troglodytes mtDNA haplotype (Figure S1). The scale bar represents 0.02 substitutions per site.

Figure 7

doi: https://doi.org/10.1371/journal.ppat.1000097.g007