Figure 15.3. The phylogeny of the HIV-1 subtypes based on the env gene, which includes the coding for the gp120 protein.

Figure 15.3

The phylogeny of the HIV-1 subtypes based on the env gene, which includes the coding for the gp120 protein. The letters name the different subtypes. The bar shows the length along branches corresponding to 10% divergence in sequence. From McCutchan (1999), with permission from Johns Hopkins University Press.

From: Chapter 15, Measuring Selection with Population Samples

Cover of Immunology and Evolution of Infectious Disease
Immunology and Evolution of Infectious Disease.
Frank SA.
Princeton (NJ): Princeton University Press; 2002.
Copyright © 2002, Steven A Frank.

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