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. 2012 Sep;28(9):961–966. doi: 10.1089/aid.2011.0390

FIG. 2.

FIG. 2.

Bayesian maximum clade credibility (MCC) tree of subtype F sequences. The Bayesian-inferred phylogeny of 128 global subtype F sequences. Branch lengths are drawn to scale with the bar at the bottom representing 0.02 nucleotide substitutions per site. The color of each tip branch represents the country or continent of origin of the sequence as shown in the figure legend. The country of origin of some of the sequences is also shown at the branch tips. Major ancestral nodes with significant statistical support (posterior probability >0.9) are indicated with an asterisk (*). Four significantly supported clusters are indicated by roman numerals: I, Romania monophyletic; II, Angola; III, Brazil; IV, F2 sequences. The red dot represents the time of the most recent common ancestor (tMRCA) of the Romania monophyletic cluster. Adult Romanian sequences are indicated with an “a” at the tip of the branches; a† indicates adult sequence at the base of the parenteral cluster. The tree is rooted using a subtype K sequence (sub. K; accession no. AJ249239K).