Pronunciation: er'i-sip'e-lo-thriks', -si-pel'o-thriks
Definition: A genus of bacteria (family Corynebacteriaceae) containing nonmotile, gram-positive, rod-shaped organisms that have a tendency to form long filaments; older cells tend to become gram-negative. They produce acid but no gas from glucose. They are facultatively anaerobic and catalase negative. Members of this genus infect mammals, birds, and fish. The type species is Erysipelothrix rhusiopathiae.
[erysipelas + G. thrix, hair]
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Examples: glitazone, GI cocktail, etc.