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===''Bacillus anthracis''===
*Saprophyte in soil
*Capsule composed of homopolymer of D-isomer of glutamic acid allows survival in the body by resisting phagocytosis
*Capsule stains mauve with polychrome methylene blue in the MacFadyean's reaction - identify anthrax in blood samples
*Bacilli appear as chains of dark blue, square-ended rods surounded with the capsule
*Extracellular toxin (holotoxin) composed of oedema factor, protective factor and lethal factor
*
===''Bacillus licheniformis''===
*Widespread in the environment
*Associated with food spoilage
*Abortion in cattle and sheep, possibly from spoiled silage or hay