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D-Alanine Metabolism in B. cereus ZK

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Bacillus cereus is a Gram-positive, facultative anaerobic rod-shaped endospore-forming bacterium. B. cereus occurs ubiquitously in soil and in many raw and processed foods such as rice, milk and dairy products, spices, and vegetables. Many strains of B. cereus are able to produce toxins and cause distinct types of food poisoning. Concerns over B. cereus contamination have increased because of the rapidly expanding number of chilled foods that may be pasteurized but may still contain viable spores. Spores from B. cereus can germinate and outgrow during storage, even at low temperatures. B. cereus is an opportunistic pathogen causing food poisoning manifested by diarrhoeal or emetic syndromes (Ref.2). It is closely related to the animal and human pathogen Bacillus anthracis and the [...]


1.Genomics of the Bacillus cereus group of organisms.
Rasko DA, Altherr MR, Han CS, Ravel J.
FEMS Microbiol Rev. 2005 Apr; 29(2):303-29.
2.Bacillus anthracis, Bacillus cereus, and Bacillus thuringiensis--one species on the basis of genetic evidence.
Helgason E, Okstad OA, Caugant DA, Johansen HA, Fouet A, Mock M, Hegna I, Kolsto.
Appl Environ Microbiol. 2000 Jun; 66(6):2627-30.
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