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Flavobacterium koreense sp. nov., Flavobacterium chungnamense sp. nov., and Flavobacterium cheonanense sp. nov., isolated from a freshwater reservoir



Flavobacterium koreense sp. nov., Flavobacterium chungnamense sp. nov., and Flavobacterium cheonanense sp. nov., isolated from a freshwater reservoir



Journal of Microbiology 49(3): 387-392



Taxonomic studies were performed on three strains isolated from Cheonho reservoir in Cheonan, Korea. The isolates were Gram-negative, aerobic, rod-shaped, non-motile, catalase-positive, and oxidase-positive. Colonies on solid media were cream-yellow, smooth, shiny, and circular. Phylogenetic analysis of the 16S rRNA gene sequences revealed that these strains belong to the genus Flavobacterium. The strains shared 98.6 99.4% sequence similarity with each other and showed less than 97% similarity with members of the genus Flavobacterium with validly published names. The DNA-DNA hybridization results confirmed the separate genomic status of strains ARSA-42T, ARSA-13T, and ARSA-18T. The isolates contained menaqui-none-6 as the predominant menaquinone and iso-C15:, iso-C15: 3-OH, iso-Ci15:1 G, and iso-C16: 3-OH as the major fatty acids. The genomic DNA G+C content of the isolates were 31.4 33.2 mol%. According to the phenotypic and genotypic data, these organisms are classified as representative of three novel species in the genus Flavobacterium, and the name Flavobacterium koreense sp. nov. (strain ARSA-42T =KCTC 23182T =JCM 1766T =KACC 14969T), Flavobacterium chungnamense sp. nov. (strain ARSA-13T =KCTC 23183T =JCM 1768T =KACC 14971T), and Flavobacterium cheonanense sp. nov. (strain ARSA-18T =KCTC 23184T =JCM 1769T =KACC 14972) are proposed.

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Accession: 036140610

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PMID: 21717323

DOI: 10.1007/s12275-011-0382-0



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