Actinomyces species are ubiquitous, occurring in soil and in the microbiota of animals, including the human microbiota. They are known for the important role they play in soil ecology; they …

Actinomycosis is an infection with Actinomyces bacteria. It causes pus-filled wounds, usually around your face and mouth, which spread to nearby tissue.

Jun 23, 2025 · Penicillin is the most well-known agent for treatment of actinomycosis and has the greatest amount of experience behind it [1,2]. Ampicillin and amoxicillin are equally …

The causative organisms, Actinomyces species (most commonly A. israelii), are often present commensally on the gums, tonsils, and teeth and may be present in the intestines and vagina.

Actinomycosis is a rare chronic disease caused by Actinomyces spp., anaerobic Gram-positive bacteria that normally colonize the human mouth and digestive and genital tracts.

Jul 28, 2025 · Actinomyces spp. are a group of bacteria commonly found within the human body. Though often harmless, these microorganisms can sometimes lead to a chronic …

Actinomyces bacteria are anaerobes and do not require oxygen to live. Actinomyces bacteria cause infection only when the surface of the tissue on which they reside is broken, enabling …

Feb 8, 2023 · Actinomyces spp. reside on mucosal surfaces and gain access to deeper tissues via surgical procedures, trauma, etc., disrupting the mucosal barrier. The main niche is the oral …

Sep 18, 2022 · Actinomycosis starts in the soft tissues of the body, but it can infect any surrounding bone if it’s left untreated. Surgery may be necessary to remove any infected bone. …

Sep 16, 2025 · Actinomycosis is an infection characterized by abscess formation, induration, draining sinus tracts, fistulae, and tissue fibrosis. It can mimic several other conditions, …