Aerobic, G+ rods in chains, spores are located in center of the non-motile bacilli
Found in soil, water, air and vegetation
Spores are viable for decades.
B. cereus – produce enterotoxin and cause food poisoning.
B. anthracis – infection in human through injured skin (cutaneous anthrax), mucous membranes (GI anthrax), or inhalation of spores into lung.