Marinoscillum luteum sp. nov., isolated from marine sediment

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Marinoscillum luteum sp. nov., isolated from marine sediment
I T Cha; S J Park; S J Kim; J G Kim; M Y Jung; Kee Sun Shin; K K Kwon; S H Yang; Y S Seo; S K Rhee
Bibliographic Citation
International Journal of Systematic and Evolutionary Microbiology, vol. 63, no. 9, pp. 3475-3480
Publication Year
A novel strain, designated SJP7T, was isolated from sediment of the Tofua Arc of the Tonga Trench. The 16S rRNA gene sequence of the isolate showed the highest similarity to that of Marinoscillum pacificum KCCM 42325T (95.9%). Phylogenetic analysis revealed that the isolate formed a distinct phyletic line with Marinoscillum pacificum KCCM 42325T and Marinoscillum furvescens LMG 13023T within the family Cytophagaceae. Cells of strain SJP7T were Gram- stain-negative and appeared as long rods that were motile by gliding. Growth was observed at 15-40 °C (optimum, 30 °C), at pH 5.5-9.0 (optimum, pH 7.5-8.0) and in the presence of 0.57.0% (w/v) NaCl (optimum, 2.5-3%). The major respiratory quinone was MK-7. The dominant fatty acids were summed feature 3 (comprising C16:1ω7c and/or C16:1ω6c), iso-C15:0 and C16:1ω5c. The DNA G + C content was 43.5 mol%. These properties support the affiliation of strain SJP7T with the genus Marinoscillum. Further phenotypic differentiation of strain SJP7T from other species of the genus Marinoscillum was indicated by the results of physiological and biochemical tests. On the basis of evidence from our polyphasic taxonomic study, strain SJP7T represents a novel species of the genus Marinoscillum, for which the name Marinoscillum luteum sp. nov. is proposed. The type strain of Marinoscillum luteum is SJP7T (=KCTC 23939T=NCAIM B02491T).
Microbiology Soc
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Division of Biomedical Research > Microbiome Convergence Research Center > 1. Journal Articles
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