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Table 2. Differential characteristics of M. massiliensis strain NP3T, M. elsdenii strain DSM 20460 and M. micronuciformis strain AIP 412-00T.

From: Non-contiguous finished genome sequence and description of Megasphaera massiliensis sp. nov.

Properties M. massiliensis M. elsdenii M. micromuciniformis
Cell diameter (µm) 0.87 1.5–3.0 0.4–0.6
Oxygen requirement anaerobic anaerobic Anaerobic
Pigment production + +
Gram stain
Motility
Endospore formation
Indole production na
Production of    
Catalase
Oxidase + + na
Nitrate reductase na
Urease na
β-galactosidase na
N-acetyl-glucosamine na na
Acid production from    
Arabinose w
Ribose + na
Mannose
Mannitol + +
Raffinose
Sucrose
Glycerol w
Sorbitol + na
Arabitol + na
Galactose + +
D-glucose + +
D-fructose + +
D-maltose + +
D-lactose + +
Hydrolysis of gelatin + +
Habitat Human gut Sheep rumen Liver abscess, whitlow
  1. na = data not available; w = weak