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Fig. 2 | BMC Research Notes

Fig. 2

From: Moderate rate of transmitted resistance mutations to antiretrovirals and genetic diversity in newly HIV-1 patients diagnosed in Benin

Fig. 2

Maximum likelihood tree for 248 HIV-1-infected drug-naïve patients in Benin. The length of the alignment was 656 unambiguously aligned nucleotides in the reverse transcriptase region of the pol gene. Circulating recombinant forms (CRFs) and sub-subtypes not represented within the sequences genomic structure were excluded. Reference sequences are in black and patient sequences are in red. Unique recombinants over protease and RT are shown with an asterisk. An arrow indicates the sample sequences involved into recent transmission chains (n = 8), older supposed transmission chains are indicated with a broken arrow (n = 3), and the clusters were numbered. Branch support values are indicated for the major key nodes

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