Ornithinibacillus heyuanensis sp. nov., isolated from South China

A novel Gram-stain-positive, motile, hemolytic, endospore-forming and rod-shaped bacterium was isolated and designated as strain GIESS003(T). The strain grew optimally at 35 °C, at pH 7.0-7.5, and with 3.0-3.5 % (w/v) NaCl. The 16S rRNA gene sequence analysis indicated that strain GIESS003(T) was associated with the genus Ornithinibacillus and was most closely related to the type strain of Ornithinibacillus contaminans (96.5 % similarity). The major cellular fatty acids were iso-C15:0 and anteiso-C15:0. The polar lipids were diphosphatidylglycerol and phosphatidylglycerol. The major respiratory quinone was menaquinone-7. Strain GIESS003(T) contained a peptidoglycan of type A4β L-Orn-D-Asp. The G+C content of genomic DNA was 40.1 mol%. On the basis of polyphasic evidence from this study, a new species of the genus Ornithinibacillus, Ornithinibacillus heyuanensis sp. nov., is proposed, with strain GIESS003(T) (=KCTC 33159(T)=CCTCC 2013106(T)) as the type strain.