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Bacillus cereus is an aerobic spore-forming bacterium that is commonly found in soil, on vegetables, and in many raw and processed foods. B. cereus food poisoning may occur when foods are prepared and held without adequate refrigeration for several hours before serving, with B. cereus 6 cells/g.
Like other members of the genus Bacillus, B. cereus can produce protective endospores. An endospore is a dormant, tough, and non-reproductive structure produced by certain bacteria from the Firmicute phylum.They are typically located at cells' centre and contain hydrophobic appendages.verview: Bacillus cereus is a Gram-positive, spore-forming, rod-shaped, facultative anaerobic bacterium belonging to the Bacillaceae family of the Firmicutes (Figure 1).