Peptococcus species are gram-positive, obligate anaerobic cocci that form part of the normal human flora, particularly in the gastrointestinal and genitourinary tracts. Although generally considered…
Fusobacterium species are obligate anaerobic, gram-negative bacilli commonly found in the oropharynx, gastrointestinal tract, and genitourinary system. Though often commensal, these bacteria can cause severe…
Clostridium species are anaerobic, spore-forming, gram-positive bacilli found ubiquitously in soil, the gastrointestinal tract, and human skin. Certain species, particularly Clostridium perfringens, Clostridium septicum, and…