Gaetbulibacter jejuensis sp. nov., Isolated from Seawater

You-Sung Oh; Sang-Bin Lim; Hyung-Yeel Kahng; Byoung-Jun Yoon; Duck-Chul Oh; Jae-Ho Joa; Dong-Heon Lee

doi:10.1007/s12275-010-9232-8

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Gaetbulibacter jejuensis sp. nov., Isolated from Seawater: You-Sung Oh ¹, Sang-Bin Lim ¹, Hyung-Yeel Kahng ², Byoung-Jun Yoon ³, Duck-Chul Oh ³, Jae-Ho Joa ⁴, Dong-Heon Lee ²; Journal of Microbiology 2010;48(3):307-311.
DOI: https://doi.org/10.1007/s12275-010-9232-8
Published online: June 23, 2010

¹Jeju National University Biotechnology Regional Innovation Center, Jeju 690-756, Republic of Korea, ²Department of Environmental Education, Sunchon National University, Sunchon 540-742, Republic of Korea, ³Department of Biology, Jeju National University, Jeju 690-756, Republic of Korea, ⁴National Institute of Horticultural and Herbal Science, RDA, Jeju 695-150, Republic of Korea

Corresponding author: Dong-Heon Lee , Tel: +82-61-750-3380,

Received: 3 August 2009 • Accepted: 15 December 2009

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Abstract

A novel marine bacterium, designated strain CNURIC014T was isolated from coastal seawater of Jeju Island in Korea. Strain CNURIC014T formed yellow colonies on marine agar 2216 and the cells were Gram-negative, non-motile, strictly aerobic, rod-shaped. The temperature, pH and NaCl ranges for growth were 15-37°C, pH 6.0-9.0 and 1.0-7.0% NaCl. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain CNURIC014T was most closely related to Gaetbulibacter marinus and Gaetbulibacter saemankumensis, with a sequence similarity of 95.1% and 94.6%, respectively. The DNA G+C content of the strain was 33.1 mol% and the major respiratory quinone was menaquinone-6. The major cellular fatty acids were iso-C15:1 (22.8%), iso-C15:0 (18.8%), summed feature 3 (iso-C15:0 2-OH/C16:1 ω7c, 12.9%) and iso-C17:0 3-OH (11.5%). On the basis of phenotypic, phylogenetic, and genotypic data, strain CNURIC014T represents a novel species within the genus Geatbulibacter, for which the name Gaetbulibacter jejuensis sp. nov. is proposed. The type strain is CNURIC014T (=KCTC 22615T =JCM 15976T).

Keywords: G. jejuensis sp. nov.;Flavobacteriaceae;taxonomy;seawater

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Gaetbulibacter jejuensis sp. nov., Isolated from Seawater

J. Microbiol. 2010;48(3):307-311. Published online June 23, 2010

DOI: https://doi.org/10.1007/s12275-010-9232-8

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