Alistair Lax studied Biochemistry at Glasgow University and carried out his PhD work at ICRF, London (now Cancer Research UK) on Dictyostelium discoideum. He was at the Institute for Animal Health in Berkshire for many years, working first on scrapie, then Salmonella pathogenesis and latterly on bacterial toxins. He is currently Professor of Cellular Microbiology at King's College London, where he is Head of the Department of Microbiology within the Dental Institute. His main interest is the novel mitogenic toxin of Pasteurella multocida which activates several signalling pathways in the cell....