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

Table 2. Positive selective pressure on the V3 loop of the analysed dataset.

Codons under selective pressure1
Method Whole Tree (Bs+BGs) (Number of sequences in cluster = 201) BGs cluster (Number of sequences in cluster = 19)
SLAC 11, 20, 21, 23 and 35 None
Dual variable rates 11 , 20, 26 and 35 22
1

Codons identified by Hyphy as being significantly (P<0.05) under selective pressure are indicated.