期刊
ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY
卷 106, 期 6, 页码 1207-1214出版社
SPRINGER
DOI: 10.1007/s10482-014-0290-5
关键词
Rhodococcus kronopolitis sp nov.; Polyphasic taxonomy; 16S rRNA gene
类别
资金
- National Outstanding Youth Foundation [31225024]
- National Key Project for Basic Research [2010CB126102]
- National Key Technology RD Program [2012BAD19B06]
- Program for New Century Excellent Talents in University [NCET-11-0953]
- National Natural Science Foundation of China [31372006, 31171913, 31071750, 31471832]
- Outstanding Youth Foundation of Heilongjiang Province [JC201201]
- Chang Jiang Scholar Candidates Program for Provincial Universities in Heilongjiang (CSCP)
- Sicence and Technology Research Project of Heilongjiang Provincial Educational Commission [12541001]
- Youth Science Foundation of Heilongjiang Province [QC2014C013]
A novel actinobacterium, designated strain NEAU-ML12(T), was isolated from a millipede (Kronopolites svenhedind Verhoeff), which was collected from Fenghuang Mountain in Wuchang, Heilongjiang Province, north China. The strain was characterized using a polyphasic approach. Strain NEAU-ML12(T) was found to have morphological and chemotaxonomic characteristics typical of the members of the genus Rhodococcus. 16S rRNA gene sequence similarity analysis showed that the strain NEAU-ML12(T) belongs to the genus Rhodococcus, and was most closely related to Rhodococcus tukisamuensis Mb8(T) (98.9 %) and Rhodococcus koreensis DNP505(T) (97.7 %). Phylogenetic analysis based on 16S rRNA gene sequences also demonstrated that strain NEAU-ML12(T) should be classified in the genus Rhodococcus, forming a distinct clade with R. tukisamuensis Mb8(T) supported by a 99 % bootstrap value. However, the DNA-DNA relatedness between strain NEAU-ML12(T) and R. tukisamuensis Mb8(T) was found to be 41.9 +/- A 0.7 %. Furthermore, strain NEAU-ML12(T) could also be differentiated from R. tukisamuensis Mb8(T) and other closely related strains (R. koreensis DNP505(T) and Rhodococcus maanshanensis M712(T)) by morphological and physiological characteristics. Therefore, it is proposed that strain NEAU-ML12(T) represents a novel species of the genus Rhodococcus, for which the name Rhodococcus kronopolitis sp. nov. is proposed. The type strain is NEAU-ML12(T) (=CGMCC 4.7145(T) = DSM 46702(T)).
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