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. 2009 May 20;83(15):7434–7439. doi: 10.1128/JVI.00487-09

FIG. 4.

FIG. 4.

Replication kinetics of wild-type (WT) and Tyr-215 (215Y) HIV-1 variants in the presence of 0.02 μM (A), 0.2 μM (B), and 1 μM (C) ZDV. The slope of p24 antigen production in each experiment was compared to the slope of the corresponding nonmutated wild-type virus harboring the same 214 background in the absence of drug (Phe-214 in gray bars and Leu-214 in black bars). Error bars represent the standard deviations of two independent experiments. Statistical analyses were performed by using the Student t test.