Corynebacterium macginleyi

Corynebacterium macginleyi is a species of bacteria within the genus Corynebacterium, which is part of the family Corynebacteriaceae of the order Corynebacteriales. This bacterium is primarily known for its role in human disease, particularly in association with ocular infections.

Characteristics

Corynebacterium macginleyi is a Gram-positive, non-spore-forming, non-motile bacterium. The cells are typically club-shaped and occur mostly in V-shaped arrangements or in palisades. This species is characterized by its ability to produce a distinctive type of diphtheroid bacilli that can be identified in clinical laboratories by its biochemical and morphological properties.

Pathogenicity

Corynebacterium macginleyi is most commonly associated with eye infections, particularly in patients who use contact lenses. It has been isolated from cases of conjunctivitis, keratitis, and endophthalmitis. The presence of this bacterium in the ocular flora can lead to serious eye infections if not properly managed.

Diagnosis

Diagnosis of Corynebacterium macginleyi infection is typically achieved through bacterial culture and identification techniques. Samples taken from the infected site (e.g., corneal scrapings or conjunctival swabs) are cultured on selective media, and the organism is identified based on its morphological and biochemical characteristics.

Treatment

Treatment of infections caused by Corynebacterium macginleyi involves the use of appropriate antibiotics. The choice of antibiotic can depend on the susceptibility profile of the isolate, as resistance patterns can vary. Commonly used antibiotics include vancomycin, erythromycin, and fluoroquinolones.

Epidemiology

While Corynebacterium macginleyi is not one of the most common pathogens in ocular infections, its incidence may be underreported due to difficulties in identification. Awareness and recognition of this organism are important for effective management of related infections.

See also

• Corynebacterium
• Bacterial conjunctivitis
• Keratitis

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