Shewanella gaetbuli sp. nov., a slight halophile isolated from a tidal flat in Korea

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Shewanella gaetbuli sp. nov., a slight halophile isolated from a tidal flat in Korea
Jung-Hoon Yoon; K H Kang; Tae Kwang Oh; Yong Ha Park
Bibliographic Citation
International Journal of Systematic and Evolutionary Microbiology, vol. 54, no. 2, pp. 487-491
Publication Year
A Gram-negative, motile, non-spore-forming, rod-shaped strain, TF-27T (=KCCM 41648T=JCM 11814T), was isolated from a tidal flat in Korea. This organism grew well at 25-35°C, with optimum growth at 30°C. Strain TF-27T grew optimally in the presence of 2% NaCl; it did not grow without NaCl or in the presence of > 8% NaCl. Strain TF-27T simultaneously contained both menaquinones and ubiquinones as isoprenoid quinones. The predominant menaquinone was MK-7 and the predominant ubiquinones were Q-7 and Q-8. The major fatty acids in strain TF-27T were iso-C15:0 (20.6%) and iso-C15:0 2-OH and/or C16:1ω7c (21.1%). The DNA G+C content of strain TF-27T was 42 mol%. Phylogenetic analyses based on 16S rDNA sequences showed that strain TF-27T falls within the radiation of the cluster that is encompassed by the genus Shewanella. Levels of 16S rDNA sequence similarity between strain TF-27T and the type strains of Shewanella species were 93.2-96.8%. On the basis of phenotypic properties and phylogenetic data, strain TF-27T should be placed in the genus Shewanella as a novel species, for which the name Shewanella gaetbuli sp. nov. is proposed.
Microbiology Soc
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Division of Biomedical Research > Metabolic Regulation Research Center > 1. Journal Articles
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