ACTINOMYCOSIS

MICROBIOLOGY

Actinomycosis is caused by anaerobic or microaerophilic bacteria, primarily of the genus Actinomyces (e.g., A. israelii, A. naeslundii, A. odontolyticus), that colonize the mouth, colon, and vagina. Most infections are polymicrobial, but the role of other species in the pathogenesis of the disease is unclear.

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