Crucial to the virulence of the organism is its ability to escape intracellular killing within macrophages by lysis of the phagosomal membrane and escape into the cytoplasm, which is mediated by its secretion of a haemolysin, iisteriolysin O (LLO).
Crucial to thevirulence of the organism is its ability to escapeintracellular killing within macrophages by lysis ofthe phagosomal membrane and escape into thecytoplasm, which is mediated by its secretion of ahaemolysin, iisteriolysin O (LLO).