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Vif is dispensable for simian immunodeficiency virus (SIV) replication in some cells, termed permissive (i.e., CEM-SS), but not in others, termed non-permissive (i.e., H9, CEMx174, and peripheral blood lymphocytes). Non-permissive cells express the RNA editing enzyme, APOBEC3G. To determine whether vif mRNA could be alternatively spliced, a mutation altering the putative vif splice acceptor site (SA1)...
L-chicoric acid (L-CA) is a potent inhibitor of HIV integrase (IN) in vitro. In this report, the effects of a glycine to serine mutation at position 140 (G140S) on HIV IN and its effects on IN inhibitor resistance are described. HIV containing the G140S mutation showed a delay in replication. Using real-time polymerase chain reaction, the delay was secondary to a failure in integration. The mutant...
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