These Bacteria are generally present in soil, but bacterial strains have been isolated from bread ingredients and bread (13) and, in one case, Genome Sequence of Bacillus simplex has been isolated from a human fecal sample (19).

Where can Bacillus be found?

Bacillus organisms are widely distributed in the environment although the primary habitat is the soil. These organisms are usually found in decaying organic matter, dust, vegetable, water, and some species are part of the normal flora.

Where is Bacillus subtilis most commonly found?

Bacillus subtilis is a spore forming, motile, rod-shaped, Gram-positive, facultative aerobe. It is mostly found in soil and vegetation with an optimal growth temperature from 25-35 degrees Celsius.