Photobacterium lipolyticum sp. nov., a bacterium with lipolytic activity isolated from the Yellow Sea in Korea

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Title
Photobacterium lipolyticum sp. nov., a bacterium with lipolytic activity isolated from the Yellow Sea in Korea
Author(s)
Jung-Hoon Yoon; Jung-Kee Lee; Y O Kim; Tae Kwang Oh
Bibliographic Citation
International Journal of Systematic and Evolutionary Microbiology, vol. 55, no. 1, pp. 335-339
Publication Year
2005
Abstract
A Gram-negative, motile, non-spore-forming, pleomorphic and lipolytic bacterial strain, M37T, was isolated from an intertidal sediment of the Yellow Sea in Korea. This organism grew optimally at 25-28 °C and in the presence of 1-2% NaCl. It did not grow without NaCl or in the presence of more than 6% NaCl. Strain M37T was characterized chemotaxonomically by having Q-8 as the predominant respiratory lipoquinone and C16:1ω7c and/or iso-C15:0 2-OH and C16:0 as the major fatty acids. The DNA G+C content was 47 mol%. Phylogenetic analyses based on 16S RNA gene sequences placed strain M37T within the clade comprising Photobacterium species, forming a coherent cluster with the type strains of Photobacterium profundum and Photobacterium indicum (16S rRNA gene similarity levels of 97.5-98.0%). The mean DNA-DNA relatedness levels between strain M37T and P. profundum JCM 10084T and P. indicum DSM 5151T were in the range 12-15%. Similarities between 16S RNA gene sequences of strain M37T and those of the type strains of the other Photobacterium species ranged from 93.9% (with Photobacterium fischeri) to 96.2% (with Photobacterium phosphoreum). On the basis of phenotypic properties and phylogenetic and genomic distinctiveness, strain M37T (=KCTC 10562BPT=DSM 16190T) should be placed in the genus Photobacterium as a novel species, for which the name Photobacterium lipolyticum sp. nov. is proposed.
ISSN
0020-7713
Publisher
Microbiology Soc
DOI
http://dx.doi.org/10.1099/ijs.0.63215-0
Type
Article
Appears in Collections:
Division of Biomedical Research > Metabolic Regulation Research Center > 1. Journal Articles
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