This is a big group (genus) of gram-positive (see GRAM’S STAIN) rod-like BACTERIA. Found widely in the air and soil – commonly as spores
– they feed on dead organic matter. As well as infecting and spoiling food, some are pathogenic to humans, causing, for example, ANTHRAX, conjunctivitis (see EYE, DISORDERS OF) and DYSENTERY. They are also the source of some antibiotics (See under MICROBIOLOGY.)... bacillus
A Gram positive saprophytic rod which grows on parboiled unrefrigerated rice and other food. It produces potent exotoxins which can cause food poisoning – especially in Chinese and other restaurants specialising in rice dishes. Food poisoning from this organism can cause an emetic syndrome (associated with vomiting) or a diarrhoeal syndrome.... bacillus cereus
The original name for Mycobacterium tuberculosis, which causes TUBERCULOSIS. It stems from the name of the German doctor who ?rst identi?ed the bacillus.... koch’s bacillus
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