Journal
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
Volume 57, Issue -, Pages 2849-2853Publisher
SOC GENERAL MICROBIOLOGY
DOI: 10.1099/ijs.0.65262-0
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A novel bacterial strain, designated PMB02(T), was isolated from a leaf of the tree Platanus orientalis. Colonies grown on TYG agar plates were circular, pink-pigmented and slow-growing, being 0.2-1.5 mm in diameter after 3 days growth. The cells of strain PMB02(T) were Gram-negative, aerobic, motile rods that possessed oxidase and catalase activities and grew at 20-30 degrees C, pH 6-8 and in media containing less than 1% NaCl. The major respiratory quinone was identified as Q-10. A phylogenetic analysis based on 16S rRNA gene sequence comparisons indicated that strain PMB02(T) was related to members of the genus Methylobacterium. A comparative 16S rRNA gene sequence-based phylogenetic analysis placed the strain in a clade with the species Methylobacterium aquaticum and Methylobacterium, variabile, with which it showed sequence similarities of 97.7 and 97.4%, respectively. The values for DNA-DNA hybridization between strain PMB02(T) and M. aquaticum CCM 7218(T) and M. variabile GR3(T) were less than 32%. On the basis of the phenotypic characterization, the phylogenetic analysis and the DNA-DNA relatedness data, strain PMB02(T) is considered to represent a novel species of the genus Methylobacterium, for which the name Methylobacterium platani sp. nov. is proposed. The type strain is PMB02(T) (=KCTC 1290(T) =jCM 14648(T)).
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