Microbiology - Properties of Toxins
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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mostly Gram+, some Gram- | exotoxins
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extracellular, excreted into medium | exotoxins
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unstable, denatured above 60 degrees & ultraviolet light | exotoxins
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most powerful toxins | exotoxins
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highly specific, some act as neurotoxins or cardiac m. toxins | exotoxins
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little or no fever produced | exotoxins
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strong antigenicity; stimulates antibody production & immunity | exotoxins
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treatment with heat or chemicals; toxoid used to immunize against toxins | exotoxins
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Ex: botulism, gas gangrene, tetanus, diptheria, staphylococcal food poisoning, cholera, entertoxins, plague | exotoxins
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mostly Gram+ | endotoxins
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bound withing bacterial cell wall; released upon death of bacterium | endotoxins
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lipopolysaccharide complex | endotoxins
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relatively stable; can withstand several hours above 60 degrees | endotoxins
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weak, but can be fatal in relatively large doses | endotoxins
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nonspecific; ache all over systemic effects or local site reactions | endotoxins
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rapid rise in temperature to high fever | endotoxins
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weak; recovery from disease often does not produce immunity | endotoxins
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cannot be converted to toxoid; cannot be used to immunize | endotoxins
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Ex: Salmonellosis, tularemia, endotoxic shock | endotoxins
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Created by:
JYarger
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