Cellulophaga geojensis sp. nov., a member of the family Flavobacteriaceae isolated from marine sand

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Cellulophaga geojensis sp. nov., a member of the family Flavobacteriaceae isolated from marine sand
Sooyeon Park; K H Oh; S Y Lee; Tae Kwang Oh; J H Yoon
Bibliographic Citation
International Journal of Systematic and Evolutionary Microbiology, vol. 62, no. 6, pp. 1354-1358
Publication Year
A Gram-stain-negative, aerobic, non-flagellated, non-spore-forming, motile (by gliding) bacterial strain, designated M-M6 T, was isolated from marine sand of Geoje island, Korea. Strain M-M6 T grew optimally at 25 6C, at pH 7.0-8.0 and in the presence of 2% (w/v) NaCl. Phylogenetic analyses based on 16S rRNA gene sequences revealed that strain M-M6 T fell within the clade comprising Cellulophaga species, forming a coherent cluster with Cellulophaga lytica ATCC 23178 T and Cellulophaga fucicola NN015860 T, with which it shared 16S rRNA gene sequence similarities of 98.1 and 98.2 %, respectively. Sequence similarities between strain M-M6 T and the type strains of other recognized Cellulophaga species were in the range 92.4-93.8 %. Strain MM6 T contained MK-6 as the predominant menaquinone and iso-C 15: 0, iso-C 15: 1 G, iso-C 17: 0 3- OH, and C 16: 1v7c and/or iso-C 15: 0 2-OH as the major fatty acids. The major polar lipids detected in strain M-M6 T and the type strains of C. lytica and C. fucicola were two unidentified lipids, one unidentified aminolipid and one unidentified aminophospholipid. The DNA G+C content of strain M-M6 T was 35.4 mol%. Levels of DNA-DNA relatedness between strain M-M6 T and C. lytica JCM 8516 T and C. fucicola JCM 21778 T were 33 and 35 %, respectively. Differential phenotypic properties and phylogenetic and genetic distinctiveness distinguished strain M-M6 T from all recognized Cellulophaga species. On the basis of the data presented, strain M-M6 T is considered to represent a novel species of the genus Cellulophaga, for which the name Cellulophaga geojensis sp. nov. is proposed. The type strain is M-M6 T (5KCTC 23498 T5CCUG 60801 T).
Microbiology Soc
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Division of Biomedical Research > Metabolic Regulation Research Center > 1. Journal Articles
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