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Summary
DescriptionHIV-SIV-phylogenetic-tree straight.svg
English: Phylogenetic Tree of the SIV and HIV viruses. The "in env" arrows describe alternative tree topologies based on the env gene.
Viruses Depicted:
Human
HIV-1 M (Main) group, including reference strains from subtypes A-J. Group M is responsible for the pandemic.
HIV-1 O (Outlier) group, most commonly found in West Africa
HIV-1 N (Not-M, Not-O) group, found in a very small number of individuals in West Africa
HIV-1 M group reference strains: A_UG.U455, A_KE.Q2317, B_US.JRFL, B_US.WEAU160, C_ET.ETH2220, C_IN.21068, D_ZR.NDK, D_ZR.ELI, F_FI.FIN6393, F_BE.VI850, G_SE.SE6165, G_BE.DRCBL, H_CF.90CF056, H_BE.VI997, J_SE.SE91733, J_SE.SE92809, and CRF01 AE_CF.90CF402 and AE_TH.CM240, which are subtype A in pol.
HIV-1 N group: N_CM.YBF30
HIV-1 O group: O_CM.ANT70, O_CM.MVP5180
HIV-2 subtypes A and B: H2A_DE.BEN, H2A_SN.ST, H2B_GH.D205, and H2B_CI.EHO
Simian
SIVcpz from chimpanzee Pan troglodytes troglodytes (P.t.t.):
SIVcpz.GAB, SIVcpz.US, and SIVcpz.Cam3
SIVcpz from chimpanzee Pan troglodytes shweinfuthii (P.t.s.): SIVcpz.ANT
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correcting SIVMM (an error in the source image from hiv.LANLgov) to SIVSMM. The latter is correct as noted in the current [https://www.hiv.lanl.gov/content/sequence/HIV/COMPENDIUM/2016/hiv2dna.pdf LANL compendium] and numerous other sources.