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1 School of Life Science and Technology, Beijing Institute of Technology, Beijing 100081, People's Republic of China
2 Institute of Space Medico-Engineering, Beijing 100094, People's Republic of China
3 State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, People's Republic of China
4 School of Biology, University of Newcastle, Newcastle upon Tyne NE1 7RU, UK
Correspondence
Jianli Zhang
zhangjianli{at}bit.edu.cn
Zhiheng Liu
zhliu{at}sun.im.ac.cn
The taxonomic position of a soil isolate, strain Z6T, was established using a polyphasic approach. The organism showed a range of chemical and morphological properties consistent with its classification in the genus Lechevalieria. An almost complete 16S rRNA gene sequence determined for the strain was aligned with corresponding sequences of representatives of the genus Lechevalieria and related taxa using three tree-making algorithms. The organism formed a distinct phyletic line within the evolutionary radiation occupied by the genus Lechevalieria and was more closely related to the type strain of Lechevalieria aerocolonigenes than to that of Lechevalieria flava. Strain Z6T could be distinguished from both these strains using DNADNA relatedness data and by a combination of phenotypic properties. The combined genotypic and phenotypic data show that strain Z6T should be assigned to the genus Lechevalieria as a representative of a novel species. The name proposed for this new taxon is Lechevalieria fradiae sp. nov. The type strain is Z6T (=CGMCC 4.3506T=JCM 14205T).
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