Peptococcus

Peptococcus is a Gram-positive bacterium genus in the family Peptococcaceae.

Peptococcus
Scientific classification
Domain:	Bacteria
Phylum:	Bacillota
Class:	Clostridia
Order:	Clostridiales
Family:	Peptococcaceae
Genus:	Peptococcus Kluyver and van Niel 1936
Type species
Peptococcus niger (Hall 1930) Kluyver & van Niel 1936
Species
P. niger P. simiae

Species in the genus are part of the human microbiome, especially in the bacteria that form the gut flora. They are part of the flora of the mouth, upper respiratory tract and large intestine.

Mezlocillin is an antibiotic that is effective against Peptococcus species.

Peptococcus niger is the only species left in the genus. All others have been moved to Peptostreptococcus.^[1]

See also

• List of human flora
• List of MeSH codes (B03) (bacteria)
• List of bacterial vaginosis microbiota
• List of bacterial orders
• List of bacteria genera