has part has participant bacterial pathogenesis Shane Babcock Pathogenesis process realization of a pathogenic disposition inhering in some bacterium or bacteria population, having at least the proper process parts: (1) toxin biosynthetic process, and (2) appearance of disorder. We cannot assert that this class has 'establishment of localization in host', nor 'process of establishing an infection', as parts. That would exclude disease caused by toxins, produced by bacteria that never localize in the diseased organism. toxin biosynthetic process pathogenesis appearance of disorder bacterium requires discussion