Norman, J.M. et al. Nat. Immunol. doi:10.1038/ni.2087 (28 August).

An intrinsic antiviral mechanism is characterized in which the cytidine deaminase APOBEC3G leads to upregulation of ligands recognized by the natural killer (NK) cell-activating receptor NKG2D in HIV-infected cells, thus stimulating destruction of the infected cells by NK cells.