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Ultrastructural effect of VGP-106 in L. donovani promastigotes by transmission electron microscopy (TEM). Ultrathin sections of control promastigotes of L. donovani (A and B) or promastigotes treated with 0.5 and 1 μM VGP-106 for 24 h (C and E) and 48 h (D and F) are shown. Mitochondria (M), kinetoplasts (K), and nuclei (N) are indicated. Scale bars: 1 μm (A, C, and E) or 2 μm (B, D, and F).
