2006, pp 400-418

Family Propionibacteriaceae: The Genus Propionibacterium

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The suborder Propionibacterineae is one of the ten suborders of the class Actinobacteria (Stackebrandt et al., 1997), containing the family Propionibacteriaceae Delwiche 1957, emend Rainey, Ward-Rainey and Stackebrandt 1997, with the genera Propionibacterium (Orla-Jensen, 1909), Luteococcus (Tamura et al., 1994), Microlunatus (Nakamura et al., 1995) and Propioniferax (Yokota et al., 1994). Recently, four new genera have been added to the family, i.e., Friedmanniella (Schumann et al., 1997), Tessaracoccus (Maszenan et al., 1999), Micropruina (Shintani et al., 2000) and Propionimicrobium (Stackebrandt et al., 2002; Table 1). Members of the Propionibacteriaceae genera are either aerobic or facultative anaerobic, exhibit different morphologies, peptidoglycan types and variations, and have a wide range of DNA G+C content (53–73 mol%); however, with respect to chemotaxonomic properties (such as the pattern of polyamines [Busse and Schumann, 1999], major menaquinones, and fatty acids), they a ...