<unk>  is a genus of bacteria. Its sole known species,<unk>  prausnitzii is gram-positive, mesophilic, rod-shaped, anaerobic and is one of the most abundant and important commensal bacteria of the human gut microbiota. It is non-spore forming and non-motile. These bacteria produce butyrate and other short-chain fatty acids through the fermentation of dietary fiber.
Faecalibacterium
Entamoeba coli
Prevotella
Giardia
Entamoeba histolytica
Shigella
Salmonella
Bifidobacterium