Prévot's strain DO-4 (VPI strain 0416) is proposed as the neotype strain of Prévot and Taffanel (1942). This strain represents members of the genus formerly assigned to , , and , which are objective synonyms. is an aerobic, Gram-positive, catalase-negative, pleomorphic rod that produces alcohols and acetic, butyric, caprioc, and often caprylic acids from glucose, apparently by condensation of 2-carbon intermediates with carboxylic acids in the medium. The organism is morphologically similar to the anaerobic corynebacteria, but can be differentiated from catalase-negative anaerobic corynebacteria by fermentation products and by several other properties as described in this study. has been isolated from human infections in Europe and in the United States.


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