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Coryneform bacteria

Medical expert of the article

Infectious disease
, medical expert
Last reviewed: 23.04.2024

Some corynebacteria - not pathogenic in normal human skin inhabitants or pathogenic to animals, can also cause disease in humans, but mostly in persons with impaired immunity. Such microorganisms are called coryneform bacteria or diphtheria.

S. Pseudodiphthericum (S. Hojfmani) - is a constant normal inhabitant of the man's pharynx and nose; forms straight, short cells, often without grains, arranged in the form of a "stockade"; biochemically inert, but possess urease. C. Pseudodiphthericum is rarely isolated from patients with sputum in bronchitis and pulmonary abscesses.

C. Ulcerans is a pathogen of cattle, produces a toxin and causes mastitis in cows, but in rare cases is the cause of diphtheria-like diseases in humans. In its morphological properties, it is ovoid cells randomly arranged in smears. Biochemically close to C. Diphtherias gravis.

S. Xerosis refers to the saprophytic microorganisms of a person, inhabits the mucous membranes of the upper respiratory tract and the cavities lined with them. It is allocated with conjunctivitis and purulent-septic lesions.

With pseudotuberculosis - affects people in rare cases, mainly when in contact with sheep and goats, causing septic lymphadenitis.

C. Jetkeium - is a part of the normal flora of the skin, inguinal and axillary region, but it is also considered the causative agent of purulent-septic diseases, endocarditis, pneumonia, meningitis in immunodeficient patients.

trusted-source[1], [2], [3], [4], [5], [6], [7],


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