Microbacterium insulae sp. nov., isolated from soil

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Microbacterium insulae sp. nov., isolated from soil
Jung-Hoon Yoon; P Schumann; So Jung Kang; Chang Soo Lee; Soo Young Lee; Tae Kwang Oh
Bibliographic Citation
International Journal of Systematic and Evolutionary Microbiology, vol. 59, no. 7, pp. 1738-1742
Publication Year
A Gram-positive, non-motile, rod- or coccoid-shaped Microbacterium-like bacterium, designated strain DS-66T, was isolated from soil of Dokdo, Korea, and its exact taxonomic position was investigated by using a polyphasic approach. Strain DS-66T grew optimally at 30 °C and pH 6.5-7.0 in the presence of 0.5-1.0% (w/v) NaCl. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain DS-66T belonged to the genus Microbacterium. Strain DS-66T had a peptidoglycan type based on B2β with partial substitution of glutamic acid by 3-hydroxy glutamic acid (Glu/ Hyg-Gly-D-Orn), and galactose, rhamnose and ribose as whole-cell sugars. The acyl type was glycolyl. Strain DS-66T contained MK-13, MK-12 and MK-14 as predominant menaquinones and anteiso-C15:0, anteiso-C17:0, iso-C17:0 and iso-C16:0 as major fatty acids. Major polar lipids were diphosphatidylglycerol, phosphatidylglycerol, an unidentified phospholipid and an unidentified glycolipid. The DNA G+C content was 69.9 mol%. Phylogenetic distinctiveness, DNA-DNA relatedness data and differential phenotypic properties demonstrated that strain DS-66T is distinguishable from recognized Microbacterium species. On the basis of the data presented, strain DS-66T is considered to represent a novel species of the genus Microbacterium, for which the name Microbacterium insulae sp. nov. is proposed. The type strain is DS-66T (5KCTC 19247T=CCUG 54523T).
Microbiology Soc
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Division of Biomedical Research > Metabolic Regulation Research Center > 1. Journal Articles
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