Anaerobacterium†,

Firmicutes
Clostridia
Acetivibrionales
Acetivibrionaceae
Akio Tonouchi

Akio Tonouchi

Hirosaki University, Hirosaki, Japan

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First published: 30 September 2021
Horino et al. 2014VP
Published by John Wiley & Sons, Inc., in association with Bergey's Manual Trust.

Abstract

An.ae.ro.bac.te'ri.um. Gr. pref. an- not; Gr. masc. n. aer air; N.L. neut. n. bacterium rod; N.L. neut. n. Anaerobacterium an anaerobic rod.

Firmicutes / Clostridia / “Acetivibrionales” / “Acetivibrionaceae” / Anaerobacterium

Cells are Gram-stain-positive, thermotolerant, non-spore-forming, and strictly anaerobic rods (0.8–1.0 × 3.5–15.0 μm) with rounded ends, occurring singly or in pairs. Motile with two to four polar flagella. Cells in aged cultures are irregularly shaped. Mesophilic and slightly alkaliphilic. Anaerobic growth by fermentation of carbohydrates including cellulosic substances. The major fermentation products are ethanol and lactate. Yeast extract is required for growth. A member of Clostridium rRNA cluster III in the phylum Firmicutes. The major cellular fatty acids are iso-C16:0, iso-C13:0 3-OH, and C16:0.

DNA G + C content (mol%): 46.0 (HPLC).

Type species: Anaerobacterium chartisolvens Horino et al. 2014VP.

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