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HOME > J. Microbiol > Volume 47(6); 2009 > Article
Research Support, Non-U.S. Gov't
Methylobacterium dankookense sp. nov., Isolated from Drinking Water
Si-Won Lee 1, Hyun-Woo Oh 2, Kang-Hyun Lee 2, Tae-Young Ahn 1
Journal of Microbiology 2009;47(6):716-720.
DOI: https://doi.org/10.1007/s12275-009-0126-6
Published online: February 4, 2010
1Department of Microbiology, Dankook University, Cheonan 330-714, Republic of Korea, 2Biological Resource Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 305-806, Republic of Korea1Department of Microbiology, Dankook University, Cheonan 330-714, Republic of Korea, 2Biological Resource Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 305-806, Republic of Korea
Corresponding author:  Tae-Young Ahn , Tel: 82-41-550-3451, 
Received: 20 April 2009   • Accepted: 4 November 2009
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Abstract

A pink-pigmented bacterium, designated SW08-7T was isolated from the drinking water of a water purifier. Cells were Gram-negative, rod-shaped, strictly aerobic, and non-spore-forming. It grew optimally at 25°C, pH 6~7. Phylogenetic analysis based on 16S rRNA gene sequence showed that strain SW08-7T belongs to the genus Methylobacterium. The highest 16S rRNA gene sequence similarities were found to Methylobacterium mesophilicum JCM 2829T (96.9%), Methylobacterium brachiatum B0021T (96.9%), Methylobacterium phyllosphaerae CBMB27T (96.6%), Methylobacterium radiotolerans JCM 2831T (96.6%), and Methylobacterium hispanicum GP34T (96.5%). DNA-DNA hybridization experiment revealed low-level (28.5%) of DNA- DNA relatedness between strain SW08-7T and Methylobacterium hispanicum. The genomic DNA G+C content was 68.9 mol% and the major isoprenoid quinone was Q-10. The major cellular fatty acid of strain SW08-7T was C18:1 ω7c (79.8±2.1%). Results of phylogenetic, phenotypic, and biochemical analyses revealed that strain SW08-7T could be classified as representing a novel species of genus Methylobacterium, for which the name Methylobacterium dankookense sp. nov. is proposed. The type strain is SW08-7T (=KCTC 22512T =DSM 22415T).

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    Methylobacterium dankookense sp. nov., Isolated from Drinking Water
    J. Microbiol. 2009;47(6):716-720.   Published online February 4, 2010
    DOI: https://doi.org/10.1007/s12275-009-0126-6
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