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. 2015 Oct 1;31(10):1046–1051. doi: 10.1089/aid.2015.0166

FIG. 2.

FIG. 2.

Phylogenetic and subtyping analysis of the pol gene. (A) Maximum likelihood tree showing the phylogenetic relationship among 41 HIV-1 strains from this study (in bold) and 54 HIV-1 group M reference sequences from different subtypes. The scale bar at the bottom indicating 0.2 nucleotide substitutions per site. The (*) along the branches represents significant statistical support for the clusters subtending that branch (bootstrap ≥ 70%). Different subtypes are indicated by brackets. (B) Maximum likelihood tree showing phylogenetic relationships between 37 BF reference sequences and 7 HIV-1 sequences that were generated in the present study (in bold). The scale bar at the bottom indicates 0.2 nucleotide substitutions per site. The (*) along the branches represents significant statistical support for the clusters subtending that branch (bootstrap ≥ 70%). Different subtypes are indicated by brackets.