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Botulinum toxin can cause botulism, a severe flaccid paralytic disease in humans and other animals, [3] and is the most potent toxin known to science, natural or synthetic, with a lethal dose of 1.3–2.1 ng/kg in humans.
The toxin is the protein botulinum toxin produced under anaerobic conditions (where there is no oxygen) [37] by the bacterium Clostridium botulinum. [38] Clostridium botulinum is a large anaerobic Gram-positive bacillus that forms subterminal endospores. [39] There are eight serological varieties of the bacterium denoted by the letters A to H.
Clostridium botulinum; Clostridium perfringens (previously called Clostridium welchii) ... List of human diseases associated with infectious pathogens
Clostridium species are readily found inhabiting soils and intestinal tracts. Clostridium species are also a normal inhabitant of the healthy lower reproductive tract of females. [14] The main species responsible for disease in humans are: [15] Clostridium botulinum can produce botulinum toxin in food or wounds and can cause botulism.
Clostridium botulinum; Note: Botulism is not an infection by Clostridium botulinum but caused by the intake of botulinum toxin. Botulism (and Infant botulism) Enzyme-linked immunosorbent assays (ELISAs), electrochemiluminescent (ECL) tests Botulism antitoxin and supportive care No Sabiá virus: Brazilian hemorrhagic fever: No Brucella species ...
However, the genus does contain some human pathogens (outlined below). The toxins produced by certain members of the genus Clostridium are among the most dangerous known. Examples are tetanus toxin (known as tetanospasmin ) produced by C. tetani and botulinum toxin produced by C. botulinum .
It occurs mainly in cooked and processed foods due to competition with other biota in raw foods, and humans are the main cause of contamination as a substantial percentage of humans are persistent carriers of S. aureus. [16] The CDC has estimated about 240,000 cases per year in the United States. [17] Clostridium botulinum; Clostridium perfringens
This figure shows that exotoxins are secreted by bacterial cells, Clostridium botulinum for example, and are toxic to somatic cells. Somatic cells have antibodies on the cell wall to target exotoxins and bind to them, preventing the invasion of somatic cells. The binding of the exotoxin and antibody forms an antigen-antibody interaction and the ...