Microbacterium aquimaris sp. nov., isolated from seawater

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Microbacterium aquimaris sp. nov., isolated from seawater
K K Kim; Keun Chul Lee; Hee-Mock OhJung-Sook Lee
Bibliographic Citation
International Journal of Systematic and Evolutionary Microbiology, vol. 58, no. 7, pp. 1616-1620
Publication Year
Strains JS54-2T and JS63-1 were isolated from seawater at Jeju, Korea. Cells of these strains were Gram-positive, non-motile, non-spore-forming, short rods and formed yellow-pigmented colonies on tryptic soy agar. The strains had chemotaxonomic markers that were consistent with their classification in the genus Microbacterium, i.e. MK-11, MK-12 and MK-10 as the major menaquinones, fatty acids that were predominantly iso- and anteiso-branched, galactose and glucose as the cell-wall sugars, peptidoglycan-type B2β with glycolyl residues and DNA G+C contents of 69.3-69.6 mol%. A phylogenetic analysis based on 16S rRNA gene sequences showed that the strains were closely related to Microbacterium oleivorans DSM 16091T and Microbacterium halophilum IFO 16062T (with 97.7 and 97.4% sequence similarity, respectively) and formed a separate lineage with M. halophilum in the genus Microbacterium. Data from DNA-DNA hybridization and phenotypic analyses supported the conclusion that strains JS54-2T and JS63-1 represent a novel species in the genus Microbacterium, for which the name Microbacterium aquimaris sp. nov. is proposed. The type strain is JS54-2T (=KCTC 19124T =DSM 19713T).
Microbiology Soc
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Jeonbuk Branch Institute > Biological Resource Center > 1. Journal Articles
Synthetic Biology and Bioengineering Research Institute > Cell Factory Research Center > 1. Journal Articles
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