Bacillus subtilis

Catalase-positive bacterium

Bacillus subtilis, known also as the hay bacillus or grass bacillus, is a Gram-positive, catalase-positive bacterium, found in soil and the gastrointestinal tract of ruminants, humans, and marine sponges. Bacillus subtilis is motile and amylase-positive. It forms biofilms through the formation of extracellular polymeric matrix containing sugars and proteins.

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