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- Flavobacterium jejuensis sp. nov., isolated from marine brown alga Ecklonia cava
- So-Hyun Park , Ji-Young Kim , Young-Ju Kim , Moon-Soo Heo
- J. Microbiol. 2015;53(11):756-761. Published online October 28, 2015
- DOI: https://doi.org/10.1007/s12275-015-5280-4
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- 0 Download
- 13 Crossref
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Abstract
- A bacterial strain, designated EC11T was isolated from brown alga Ecklonia cava collected from Jeju Island, Korea. EC11T was identified as a Gram-negative, rod-shaped and yellowpigmented bacterial strain. The strain EC11T grew over a temperature range of 10°C to 30°C (optimally at 25°C), and a pH range of 6.0–10.5 (optimally at pH 7.5). Phylogenetic analysis based on 16S rRNA gene sequences showed that strain EC11T belongs to the genus Flavobacterium. Strain EC11T shared close similarity with Flavobacterium jumunjinense HME7102T (96.4%), Flavobacterium dongtanense LW30T (95.8%), Flavobacterium haoranii LQY-7T (95.3%), and Flavobacterium urocaniciphilum (95.1%). The major fatty acids (> 5%) were iso-C17:0 3-OH (22.4%), iso-C15:0 3-OH (19.0%), C15:0 (12.4%), summed feature 3 (comprising C16:1 ω7c/ C16:1 ω6c; 9.78%), iso-C15:1 G (9.6%), and iso-C16:0 3-OH (9.0%). The DNA G+C content was 28.1 mol% and the strain contained MK-6 as the predominant menaquinone. The major polar lipids were phosphatidylethanolamine, two unknown aminolipids and three unknown polar lipids. Based on phenotypic, chemotaxonomic and phylogenetic analysis, strain EC11T represents a novel species of the Flavobacterium genus, for which the name Flavobacterium jejuensis sp. nov. is proposed. The type strain of F. jejuensis is EC11T (=KCTC 42149T = JCM 30735T).
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Journal Article
- NOTE] Winogradskyella jejuensis sp. nov., a Marine Bacterium Isolated from a Brown Alga Carpopeltis affinis
- Ji-Young Kim , Duck-Chul Oh
- J. Microbiol. 2012;50(5):888-892. Published online November 4, 2012
- DOI: https://doi.org/10.1007/s12275-012-2447-0
- 30 View
- 0 Download
- 13 Scopus
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Abstract
- A Gram-negative, orange-pigmented, rod-shaped bacterium, designated strain CP32T was isolated from a brown alga Carpopeltis affinis collected on the coast of Jeju Island, Republic of Korea. The isolate grew at 10–37°C (optimum 25°C) and at pH 6.5–9.5 (optimum pH 7.0). The 16S rRNA gene sequence of the isolate showed much similarity with the type strains of recognized species of the genus Winogradskyella (94.0–96.6%). The most closely related species were Winogradskyella echinorum KMM 6211T, Winogradskyella ulvae KMM 6390T, Winogradskyella thalassocola KMM 3907T, Winogradskyella poriferorum UST030701-295T, and Winogradskyella eximia KMM 3944T. The major respiratory quinone was menaquinone-6 (MK-6) and the predominant cellular fatty acids were iso-C15:1 G (24.8%), iso-C15:0 (23.4%), and iso-C17:0 3-OH (11.6 %). The DNA G+C content was 33.3 mol%. The polar lipid profile was composed of phosphatidylethanolamine, two aminolipids, and five unknown lipids. On the basis of phenotypic features, and the result of 16S rRNA gene sequence analysis, strain CP32T (=KCTC 23835T =JCM 18454T) represents a novel species of the genus Winogradskyella, for which the name Winogradskyella jejuensis sp. nov. is proposed.
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