Photobacterium gaetbulicola sp. nov., a lipolytic bacterium isolated from a tidal flat sediment

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Title
Photobacterium gaetbulicola sp. nov., a lipolytic bacterium isolated from a tidal flat sediment
Author(s)
Y O Kim; K K Kim; Soo Yeon Park; So Jung Kang; J H Lee; S J Lee; Tae Kwang Oh; Jung-Hoon Yoon
Bibliographic Citation
International Journal of Systematic and Evolutionary Microbiology, vol. 60, no. 11, pp. 2587-2591
Publication Year
2010
Abstract
A Gram-negative, motile, non-spore-forming and lipolytic bacterial strain, designated Gung47T, was isolated from a tidal flat on the west coast of Korea. Strain Gung47T grew optimally at 30 °C and with 2-5% (w/v) NaCl. Phylogenetic analyses based on 16S rRNA gene sequences revealed that strain Gung47T belonged to the genus Photobacterium. Strain Gung47T exhibited 98.1% 16S rRNA gene sequence similarity with Photobacterium rosenbergii LMG 22223T and 94.3-96.3% similarity with other type strains of species of the genus Photobacterium. Strain Gung47 T exhibited 47% DNA-DNA relatedness to P. rosenbergii LMG 22223 T. Strain Gung47T contained Q-8 as the predominant ubiquinone and C16 : 1ω7c and/or iso-C15 : 0 2-OH, C16 : 0 and C18 : 1ω7c as the major fatty acids. In this study, two closely related type strains, P. rosenbergii LMG 22223 T and Photobacterium halotolerans LMG 22194T, were also found to have Q-8 as the predominant ubiquinone. The DNA G+C content of strain Gung47T was 50.6 mol%. The differential phenotypic properties together with the phylogenetic and genetic distinctiveness of strain Gung47 T demonstrated that this strain is distinguishable from recognized Photobacterium species. Therefore, strain Gung47T is considered to represent a novel species of the genus Photobacterium, for which the name Photobacterium gaetbulicola sp. nov. is proposed. The type strain is Gung47 T (=KCTC 22804T =CCUG 58399T).
ISSN
0020-7713
Publisher
Microbiology Soc
DOI
http://dx.doi.org/10.1099/ijs.0.016923-0
Type
Article
Appears in Collections:
Division of Biomedical Research > Metabolic Regulation Research Center > 1. Journal Articles
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