What is Bacillus anthracis?
{{Italictitle}} {{Taxobox | name = ''Bacillus anthracis'' | image = Bacillus_anthracis.png | image_width = 240px | image_caption = Photomicrograph of ''Bacillus anthracis'' ([[fuchsin]]-[[methylene blue]] spore stain). | regnum = [[Bacterium|Bacteria]] | phylum = [[Firmicutes]] | classis = [[Bacilli]] | ordo = [[Bacillales]] | familia = [[Bacillaceae]] | genus = ''[[Bacillus]]'' | binomial = ''Bacillus anthracis''}} '''''Bacillus anthracis''''' is a [[gram-positive]] rod-shaped [[bacterium]], 1{{ndash}}1.2[[µm]] in width and 3–5µm in length. It is the agent which causes [[anthrax]]. == Description == The bacillus lives in [[soil]]s worldwide at moderate temperatures. It can be grown in [[aerobic]] or [[anaerobic]] conditions (it is a [[facultative anaerobe]]) in a medium with essential [[nutrients]], including [[carbon]] and [[nitrogen]] sources. In 1877, this organism was the first to be shown to cause disease by [[Robert Koch]] and verified by [[Louis Pasteur]]. {{-}} {{biology-stub}} [[category:Gram-positive bacteria]]