Sarcina is a genus of Gram-positive

Gram-positive

Gram-positive bacteria are those that are stained dark blue or violet by Gram staining. This is in contrast to Gram-negative bacteria, which cannot retain the crystal violet stain, instead taking up the counterstain and appearing red or pink...

 cocci bacteria

Bacteria

Bacteria are a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria have a wide range of shapes, ranging from spheres to rods and spirals...

 in the family Clostridiaceae

Clostridiaceae

The Clostridiaceae are a family of the Clostridia, and contains the Clostridium genus.The family Clostridiaceae defined by the taxonomic outline of ' Bergey's Manual of Systematic...

. A synthesizer of microbial cellulose

Microbial cellulose

Microbial cellulose is a form of cellulose that is produced by bacteria. It is widely used in the traditional Filipino dessert Nata de coco. Microbial cellulose was first confirmed as cellulose in 1886.- Production :...

, they have a cuboidal cell

Cell (biology)

The cell is the basic structural and functional unit of all known living organisms. It is the smallest unit of life that is classified as a living thing, and is often called the building block of life. The Alberts text discusses how the "cellular building blocks" move to shape developing embryos....

 arrangement. Various members of the genus are human flora and may be found in the skin and large intestine

Large intestine

The large intestine is the third-to-last part of the digestive system — — in vertebrate animals. Its function is to absorb water from the remaining indigestible food matter, and then to pass useless waste material from the body...

.

The genus's type species

Type species

In biological nomenclature, a type species is both a concept and a practical system which is used in the classification and nomenclature of animals and plants. The value of a "type species" lies in the fact that it makes clear what is meant by a particular genus name. A type species is the species...

 is Sarcina ventriculi, a variety found on the surface of cereal seeds, in soil, mud, and in the stomachs of humans, rabbit

Rabbit

Rabbits are small mammals in the family Leporidae of the order Lagomorpha, found in several parts of the world...

s, and guinea pig

Guinea pig

The guinea pig , also called the cavy, is a species of rodent belonging to the family Caviidae and the genus Cavia. Despite their common name, these animals are not in the pig family, nor are they from Guinea...

s.

Species list

Sarcina includes approximately 67 species:

• Sarcina adriatica
• Sarcina agilis
• Sarcina alba
• Sarcina alutacea
• Sarcina aurantiaca
• Sarcina aurea
• Sarcina aurescens
• Sarcina barkeri
• Sarcina bicolor
• Sarcina candida
• Sarcina carnea
• Sarcina cellaris
• Sarcina cerevisiae
• Sarcina citrea
• Sarcina citrina
• Sarcina devorans
• Sarcina equi
• Sarcina erythromyxa
• Sarcina fusca
• Sarcina gasoformans
• Sarcina gigantea
• Sarcina hansenii
• Sarcina hyalina

• Sarcina incana
• Sarcina incarnata
• Sarcina intermedia
• Sarcina lactea
• Sarcina liquefaciens
• Sarcina litoralis
• Sarcina livida
• Sarcina lutea
• Sarcina luteola
• Sarcina marginata
• Sarcina maxima
• Sarcina meliflava
• Sarcina methanica
• Sarcina minuta
• Sarcina mirabilis
• Sarcina mobilis
• Sarcina morrhuae
• Sarcina mucosa
• Sarcina nivea
• Sarcina noctiluca
• Sarcina paludosa
• Sarcina parvulus

• Sarcina pelagia
• Sarcina pulchra
• Sarcina pulmonum
• Sarcina purpurascens
• Sarcina radiata
• Sarcina renis
• Sarcina rosacea
• Sarcina rosea
• Sarcina rubra
• Sarcina solani
• Sarcina striata
• Sarcina subflava
• Sarcina sulfurea
• Sarcina sulphurata
• Sarcina symbiotica
• Sarcina tetragena
• Sarcina thermophila
• Sarcina ureae
• Sarcina urinae
• Sarcina velutina
• Sarcina ventriculi
• Sarcina vesicae