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Bacillus - DISTINCTIVE PROPERTIES • Members of the genus...

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Bacillus ORGANISM: Genus: Bacillus Species: anthracis , cereus GENERAL CONCEPTS: At least 48 species are known but only B. anthracis and B. cereus cause disease in humans. B. anthracis is responsible for the disease anthrax. This is a disease primarily of animals but humans can acquire via handling, inhaling or ingesting contaminated animal products. B. cereus is predominantly responsible for food poisoning in humans.
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Unformatted text preview: DISTINCTIVE PROPERTIES: • Members of the genus Bacillus are Gram-positive, rod-shaped, spore-formers that require oxygen. However, this is a very diverse group of organisms and some species are actually Gram-negative or facultative. • B. anthracis produces a single antigenic type of capsule and several exotoxins. • B. cereus produces enterotoxins that causes food poisoning....
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