|Photomicrograph of Bacillus anthracis (fuchsin-methylene blue spore stain).|
Bacillus anthracis is a Gram-positive rod-shaped bacterium, 1 - 1.2µm in width and 3 - 5µm in length.
Description[change | change source]
It lives in soils worldwide at mesophilic temperatures. It can be grown in aerobic or anaerobic conditions (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 Dr. Robert Koch and verified by Dr. Louis Pasteur.