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Enzyme Research
New enzyme research study findings have been reported by researchers at University of Utah, Medical Department
November 25th, 2008
"Human immunodeficiency virus type 1 (HIV-1) Vif recruits a Cullin 5 ubiquitin ligase that targets APOBEC3 proteins for degradation. Recently, Vif has also been shown to induce cell cycle disturbance in G(2)," investigators in the United States report. "We show that in contrast to the expression of Vpr, the expression of Vif does not preclude cell division, and therefore, Vif causes delay and not arrest in G2. We also demonstrate that the interaction of Vif with the ubiquitin ligase is required for cell cycle disruption, as was previously shown for HIV-1 Vpr. The presence of APOBEC3 D/E, F, and G had no influence on Vif-induced alteration of the cell cycle," wrote J.L....
Source: Virus Weekly (2008-11-25)
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