Journal
ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY
Volume 108, Issue 5, Pages 1099-1105Publisher
SPRINGER
DOI: 10.1007/s10482-015-0563-7
Keywords
Sphingobacterium rhinocerotis sp nov.; Faeces; Rhinoceros unicornis
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Funding
- National Natural Science Foundation of China [31270001, 31460005]
- Yunnan Provincial Society Development Project [2014BC006]
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A novel Gram-negative, strictly aerobic, short rod-shaped, non-motile bacterium, designated YIM 101302(T), was isolated from the faeces of Rhinoceros unicornis dwelling in the Yunnan Wild Animal Park, Yunnan province, South-West China. The 16S rRNA gene sequence analysis revealed a clear affiliation of strain YIM 101302(T) to the genus Sphingobacterium. The newly isolated bacterium was found to be closely related to Sphingobacterium composti T5-12(T) (97.1 % 16S rRNA sequence identity) and Sphingobacterium alimentarium WCC 4521(T) (95.6 % 16S rRNA sequence identity) forming a distinct clade with these two species. Polar lipids of strain YIM 101302(T) were identified as phosphatidylethanolamine, phosphatidylmethylethanolamine, phosphatidylglycerol, phosphatidylinositol, an unidentified aminophospholipid, and three unidentified polar lipids; the predominant menaquinone as MK-7 and the major fatty as iso-C-15:0. The genomic DNA G+C content was determined to be 38.9 mol%. The DNA-DNA hybridization values between strain YIM 101302(T) and S. composti T5-12(T), was 53.6 +/- A 5.8 %. These results indicates that strain YIM 101302(T) represents a novel species of the genus Sphingobacterium, for which the name Sphingobacterium rhinocerotis sp. nov. is proposed. The type strain is YIM 101302(T) (=CCTCC AB 2013218(T) = KCTC 42533(T)).
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