Clostridium Species The clostridia are opportunistic pathogens. Nonetheless, they are responsible for some of the deadliest diseases including gas gangrene, tetanus and botulism less life threatening diseases include pseudomembranous colitis(Pc) and food poisoning。 cause disease primarily through the production of numerous exotoxins. perfringens, tetani, botulinum, difficileClostridium Species ◼ The clostridia are opportunistic pathogens. Nonetheless, they are responsible for some of the deadliest diseases including gas gangrene, tetanus and botulism. Less life￾threatening diseases include pseudomembranous colitis (PC) and food poisoning. ◼ cause disease primarily through the production of numerous exotoxins. ◼ perfringens, tetani, botulinum, difficile