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. 2011 Sep 28;6(9):e24130. doi: 10.1371/journal.pone.0024130

Figure 2. Bootscanning analysis of full-length genomes from Portuguese and Spanish CRF14_BG isolates.

Figure 2

The dashed line indicates the cut-off of 70%. The maximum likelihood phylogenetic trees were constructed with reference sequences from all HIV-1 subtypes. The bootstrap values supporting the internal branches defining a subtype or a CRF are shown. Bootstrap values of 70% or greater provide reasonable confidence for assignment of an individual segment to one or the other genotype. The scale represents number of base substitutions per site.