Table 3.

General characteristics of Faecalibacterium prausnitzii.

Phylum	Class	Order	Family	Genus	Species
Firmicutes	Clostridia	Clostridiales	Clostridiaceae	Faecalibacterium	Faecalibacterium prausnitzii
Type strain	ATCC 27768
Biosafety level	1
Origin	Faecal sample from a healthy adult volunteer
CHARACTERISTICS
Morphology	Gram-positive, obligately anaerobe, oval-shaped, non-motile, non-spore-forming
Genome	Size: 3.05 Mb, ORF's: 2,745, GC content: 56.4%
Physiology	Chemo-organotrophic, anaerobic, mesophilic (optimum 37°C), pH for growth ranges between 5.7 and 6.7
	Butyrate, D-lactate, and formate production during glucose fermentation
	Can utilize pectin, uronic acid, and host-derived substrates for growth