Antarctobacter jejuensis sp. nov., isolated from seawater in Jeju, Korea

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Title
Antarctobacter jejuensis sp. nov., isolated from seawater in Jeju, Korea
Author(s)
Hyangmi Kim; J B Lee; Hyun Woo Oh; H Lee; Kee Sun Shin; Kyung Sook Bae; Doo-Sang Park
Bibliographic Citation
Antonie Van Leeuwenhoek International Journal of General and Molecular Microbiology, vol. 106, no. 6, pp. 1081-1087
Publication Year
2014
Abstract
A novel bacterium, designated strain 13-2-B6T, was isolated from seawater adjacent to Songak Mountain on Jeju Island, South Korea. The novel strain was observed to be Gram-negative, aerobic, rod-shaped and motile with a single polar flagellum. On the basis of 16S rRNA gene sequence similarity, strain 13-2-B6T was determined to be phylogenetically closely related to the type strain of Antarctobacter heliothermus, currently the sole species of the genus Antarctobacter (family Rhodobacteraceae). Sequence similarity between the 16S rRNA genes of strain 13-2-B6T and A. heliothermus EL-219T is 96.9 %. Strain 13-2-B6T was found to grow optimally at 25-30 °C, pH 7.0-8.0 and 3 % (w/v) NaCl. The predominant isoprenoid quinone in strain 13-2-B6T was identified as ubiquinone Q-10 and the major fatty acids were identified as C18:1 ω7c and/or C18:1 ω6c. Phosphatidylglycerol, diphosphatidylglycerol, phosphatidylethanolamine, two unknown aminolipids, two unknown phospholipids, an unknown glycolipid and an unknown lipid were found to be components of the polar lipid profile. The G + C content of strain 13-2-B6T was determined to be 62 mol %. On the basis of its phenotypic, chemotaxonomic and phylogenetic distinctiveness, strain 13-2-B6T is considered to represent a novel species of the genus Antarctobacter, for which the name Antarctobacter jejuensis sp. nov. is proposed. The type strain is 13-2-B6T (=KCTC 42009T =JCM 19898T).
Keyword
Antarctobacter jejuensisRhodobacteraceaeSea water bacteria
ISSN
0003-6072
Publisher
Springer
DOI
http://dx.doi.org/10.1007/s10482-014-0276-3
Type
Article
Appears in Collections:
Division of Bio Technology Innovation > Core Research Facility & Analysis Center > 1. Journal Articles
Division of Biomedical Research > Microbiome Convergence Research Center > 1. Journal Articles
Jeonbuk Branch Institute > Biological Resource Center > 1. Journal Articles
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