Sarcina is a genus of Gram-positive cocci bacteria in the family Clostridiaceae.[2][3] [4] A synthesizer of microbial cellulose,[5] they have a cuboidal cell arrangement. Various members of the genus are human flora and may be found in the skin [6] and large intestine.[7]
The genus's type species is Sarcina ventriculi, a variety found on the surface of cereal seeds, in soil, mud, and in the stomachs of humans, rabbits, and guinea pigs.[8]