A Gram-positive, aerobic, rod-shaped, peritrichously flagellated, roundendospore-forming bacterium was isolated from a forest soil near Braunschweig, Lower Saxony, Germany, and designated strain HR3-23(T = type strain). Morphologically, strain HR3-23shows the characteristics of a member of the genus The spore position is terminal in a swollen sporangium. Comparative analysis of the 16S rDNA sequence shows strain HR3-23to be most closely related to (95·8% 16S rRNA similarity) and to (95·4% 16S rRNA similarity).

Phylogenetically, the isolate clusters among species of RNA group 2. The DNA G+C content of isolate HR3-23is 39·3 mol%, the peptidoglycan type is A4α (L-Lys-D-Glu), the major respiratory lipoquinone is menaquinone MK-7 and the predominant fatty acid is of the iso-Ctype. Based on the morphological, chemotaxonomic, physiological and phylogenetic properties, a new species, , is proposed; strain HR3-23is the type strain (= DSM 12223).


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