Marinobacterium marisflavi sp. nov., isolated from a costal seawater

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Marinobacterium marisflavi sp. nov., isolated from a costal seawater
H Kim; H M Oh; S J Yang; Jung-Sook Lee; J S Hong; J C Cho
Bibliographic Citation
Current Microbiology, vol. 58, no. 5, pp. 511-515
Publication Year
A marine bacterium designated strain IMCC4074T was isolated from surface seawater collected off Incheon Port, the Yellow Sea, and subjected to a polyphasic taxonomy. The strain was Gram-negative, chemoheterotrophic, slightly halophilic, strictly aerobic, and motile rods. Based on 16S rRNA gene sequence comparisons, the strain was most closely related to Marinobacterium litorale KCTC 12756T (93.9%) and shared low 16S rRNA gene sequence similarities with members of the genus Marinobacterium (91.8-93.9%) and the genus Neptunomonas (93.4%) in the order Oceanospirillales. Phylogenetic analyses showed that this marine isolate formed an independent phyletic line within the genus Marinobacterium clade. The DNA G+C composition of the strain was 56.0 mol% and the predominant constituents of the cellular fatty acids were C 16:0 (28.0%), C16:1ω7c and/or iso-C15:0 2-OH (19.3%), C18:1ω7c (17.8%), and C17:1 cyclo (12.5%), which differentiated the strain from other Marinobacterium species. Based on the taxonomic data collected in this study, only a distant relationship could be found between strain IMCC4074T and other members of the genus Marinobacterium, thus the strain represents a novel species of the genus Marinobacterium, for which the name Marinobacterium marisflavi sp. nov. is proposed. The type strain of Marinobacterium marisflavi is IMCC4074T (= KCTC 12757T = LMG 23873T).
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Jeonbuk Branch Institute > Biological Resource Center > 1. Journal Articles
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