Tag: Toxin

  • Tetanus

    Tetanus

    Tetanus is a severe infection caused by Clostridium tetani bacterium found in soil and human and animal waste. The infection is not contagious. C. tetani is introduced into the body from a wound and produces a toxin whose action on the central nervous system is responsible for the symptoms of tetanus. Tetanus is completely preventable…

  • Corynebacterium

    Corynebacterium

    GENERAL INFORMATION corynebacteria: Diphtheria has become exceptional in rich countries, but it persists in poor countries. Although rare in France and because of gravity, it is essential that the bacteriology laboratories are able to identify Corynebacterium diphtheriae.With advances in bacteriology, it is recognized that other corynebacteria can be pathogenic opportunists during hospitalization in the long…

  • Clostridium Tetani

    Clostridium Tetani

    Clostridium tetani, formerly known as bacillus Nicolaier, is a gram-positive bacillus spore forming, anaerobic strict, which releases a neurotropic exotoxin entramant a formidable poisoning: tetanus. Despite the existence of an effective vaccine, tetanus is not a rare disease. HISTORY: Already described by Hippocrates, tetanus has been well studied by Larrey during the Napoleonic campaigns. Nicolaier…

  • Clostridium Difficile

    Clostridium Difficile

    Clostridium difficile is the etiologic agent of pseudomembranous colitis (CPM); it is also responsible for many cases of diarrhea or colitis consecutive antibiotic therapy. These diseases are caused by the production and action of both toxins in the colon: an enterotoxin and cytotoxin. HISTORY: C. difficile was isolated in 1935 by Hall and O’Toole from…

  • Clostridium Botulinum

    Clostridium Botulinum

    This bacterium is responsible for a neurointoxication, botulism. Most often the disease is secondary to the ingestion of preformed toxin in food contaminated by this species. This cosmopolitan disease is daunting. HISTORY: Botulism term is related to the fact that the first described case reports were due to the ingestion of sausage (ofbotulus Latin). In…