Figure 6

PLD apparently induces host cell damage by necrosis. Representative transmission electron micrographs of HeLa cells, (A) uninoculated, or inoculated with (B) A. haemolyticum pld mutant or (C, D) A. haemolyticum wild type using a standard invasion assay. Arrows indicate bacteria, N and M indicate the nucleus and mitochondria, respectively. The bars on the lower right indicates ~1 μm.