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HoldemaniaRANK: GenusTAXONOMY: Bacteria -> Terrabacteria group -> Firmicutes -> Erysipelotrichia -> Erysipelotrichales -> Erysipelotrichaceae -> Holdemania OVERVIEW: Holdemania is a genus of Firmicutes that is a component of the normal human gut microbial flora.Gram-stain-positive, strictly anaerobic, nonsporeforming rods. Cells occur in pairs and short chains. Catalase-negative. Fermentative metabolism. Growth in broth media is enhanced by the addition of Tween 80. Major end products from glucose fermentation are acetic and lactic acid. Succinic acid is also produced but in smaller quantities. The cell-wall peptidoglycan is of type B1 with an l-Asp–l-Lys interpeptide bridge. Major cellular fatty acids are nonhydroxylated, monounsaturated or saturated. The only known representatives are three strains that were isolated from human feces.DNA G+C content (mol%): 38. Type species: Holdemania filiformis This genus contains microbial species that can reside in the human gastrointestinal tract. [PMC 4262072]
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