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 produce a …

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 efficacious and …

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 infection known as …

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 them to enter …

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 …

Actinomyces are normal inhabitants of the mouth, gastrointestinal tract, and female genital tract, and do not cause an infection unless there is a break in the skin or mucosa. Actinomyces also appear to …

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, particularly …