Enterococcus faecium strain ARL08-552

Enterococcus faecium strain ARL08-552 is a Gram-positive bacterium primarily found in fermented mare milk. This strain exhibits a cocci shape and is classified as a facultative anaerobe, allowing it to thrive in both aerobic and anaerobic environments. Notably, it possesses flagella, which may contribute to its motility. The strain is characterized by having a single replicon and is associated with a variety of hosts, including Homo sapiens (humans), Gallus gallus (domestic chickens), Bos taurus (cattle), and several other animal species across different taxa, including mammals and birds. This wide range of hosts suggests a versatile ecological niche and potential for transmission across species. E. faecium strain ARL08-552 has been implicated in several health issues, particularly in humans, where it can cause serious conditions such as endocarditis, bloodstream infections, and various nosocomial infections, including urinary and biliary tract infections. Its pathogenicity is a significant concern, especially in clinical settings, where it is known to lead to nosocomial bacteremia and systemic infections. The presence of E. faecium in fermented mare milk and its ability to cause infections in humans highlights the complex interplay between food sources and human health. This relationship underscores the importance of monitoring and understanding microbial populations in food products, as they can harbor pathogenic strains that pose risks to human health.