Fig. 6From: Experimental Listeria–Tetrahymena–Amoeba food chain functioning depends on bacterial virulence traitsTransmission electron micrographs of A. proteus digestive vacuoles with L. monocytogenes EGDe (a, and its enlarged fragment on b) and L. innocua pHly/PrfA* (c). Membrane perforations are shown with arrows. Bars represent 1 µmBack to article page