PeptostreptococcaceaeRANK: FamilyTAXONOMY: cellular organisms -> Bacteria -> Terrabacteria group -> Firmicutes -> Clostridia -> Clostridiales -> Peptostreptococcaceae OVERVIEW: 'Peptostreptococcaceae' is a family of Gram positive bacteria in the class Clostridia. Peptostreptococcus species are commensal organisms in humans, living predominantly in the mouth, skin, gastrointestinal, vagina and urinary tracts, and compose a portion of the bacterial gut flora. Under immunosuppressed or traumatic conditions these organisms can become pathogenic, as well as septicemic, harming their host. Peptostreptococcus can cause brain, liver, breast, and lung abscesses, as well as generalized necrotizing soft tissue infections. They participate in mixed anaerobic infections, a term which is used to describe infections that are caused by multiple bacteria that do not require or may even be harmed by oxygen. Specific differences have been found in blood group A-secretors demonstrating higher abundances of members of the Peptostreptococcaceae family. [PMCID: PMC5625272]
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