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''Brevibacillus brevis'' (formerly known as ''Bacillus brevis'') is a
Gram-positive In bacteriology, gram-positive bacteria are bacteria that give a positive result in the Gram stain test, which is traditionally used to quickly classify bacteria into two broad categories according to their type of cell wall. The Gram stain is ...
, aerobic, motile, spore-forming, rod-shaped bacterium commonly found in soil, air, water, and decaying matter. It is rarely associated with infectious diseases. The antibiotics gramicidin and tyrocidine were first isolated from it.Abedon, Stephen. "Bacteria Binomials." 26 Apr 1998. Ohio State University. 17 Jun 2006 . ''Brevibacillus brevis'' is catalase positive, amylase negative, casein negative, gelatinase positive, and indole negative; most strains are citrate users. Some strains are capable of oxidizing carbon monoxide aerobically. Optimal growth occurs at 35 °C to 55 °C.


References

Paenibacillaceae Pathogenic bacteria Bacteria described in 1900 {{Bacilli-stub