Cyclobacterium caenipelagi sp. nov., isolated from a tidal flat sediment, and emended description of the genus Cyclobacterium

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Title
Cyclobacterium caenipelagi sp. nov., isolated from a tidal flat sediment, and emended description of the genus Cyclobacterium
Author(s)
Yong Taek Jung; Jung-Sook Lee; J H Yoon
Bibliographic Citation
International Journal of Systematic and Evolutionary Microbiology, vol. 63, no. 9, pp. 3158-3163
Publication Year
2013
Abstract
A Gram-staining-negative, aerobic, non-flagellated, non-gliding and ring-like or horseshoeshaped bacterial strain, designated HD-17T, was isolated from a tidal flat sediment in the Korean peninsula. Strain HD-17T grew optimally at pH 7.0-8.0, at 25 °C and in the presence of 2.0% (w/v) NaCl. Phylogenetic analyses based on 16S rRNA gene sequences revealed that strain HD- 17T fell within the clade comprising species of the genus Cyclobacterium. Strain HD-17T exhibited 16S rRNA gene sequence similarity values of 93.8-98.8% to the type strains of species of the genus Cyclobacterium. Strain HD-17T contained MK-7 as the predominant menaquinone and iso-C15:0, summed feature 3 (C16:1ω6c and/or C16:1 ω7c), anteiso-C15:0 and iso-C15:1 G as the major fatty acids. The major polar lipids of strain HD-17T were phosphatidylcholine, phosphatidylethanolamine and two unidentified lipids. The DNA G + C content of strain HD-17T was 43.8 mol% and its DNA-DNA relatedness values with Cyclobacterium amurskyense KCTC 12363T, Cyclobacterium qasimii KCTC 23011T and Cyclobacterium marinum KCTC 2917Twere 10.4, 7.6 and 5.3%, respectively. The phylogenetic and genetic distinctiveness and several differentiating phenotypic properties revealed that strain HD-17T was separate from other species of the genus Cyclobacterium. On the basis of the data presented, strain HD-17T represents a novel species of the genus Cyclobacterium, for which the name Cyclobacterium caenipelagi sp. nov. is proposed. The type strain is HD-17T (=KCTC 32178T=CCUG 63247T). An emended description of the genus Cyclobacterium is also provided.
ISSN
1466-5026
Publisher
Microbiology Soc
DOI
http://dx.doi.org/10.1099/ijs.0.050161-0
Type
Article
Appears in Collections:
Jeonbuk Branch Institute > Biological Resource Center > 1. Journal Articles
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