Brevibacillus brevis

Brevibacillus brevis (formerly known as Bacillus brevis^[2]) is a Gram-positive, aerobic, motile, spore-forming, rod-shaped bacterium commonly found in soil, air, water, and decaying matter. It is rarely associated with infectious diseases.^[3] The antibiotics gramicidin and tyrocidine were first isolated from it.^[4]

Brevibacillus brevis
Scientific classification
Domain:	Bacteria
Kingdom:	Bacillati
Phylum:	Bacillota
Class:	Bacilli
Order:	Brevibacillales
Family:	Brevibacillaceae
Genus:	Brevibacillus
Species:	B. brevis
Binomial name
Brevibacillus brevis (Migula 1900) Shida et al. 1996[1]

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.