Microbulbifer salipaludis sp. nov., a moderate halophile isolated from a Korean salt marsh

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Title
Microbulbifer salipaludis sp. nov., a moderate halophile isolated from a Korean salt marsh
Author(s)
Jung-Hoon Yoon; In Gi Kim; Dong Yeon Shin; K H Kang; Yong Ha Park
Bibliographic Citation
International Journal of Systematic and Evolutionary Microbiology, vol. 53, no. 1, pp. 53-57
Publication Year
2003
Abstract
A Gram-negative, non-motile, non-spore-forming, moderately halophilic rod (strain SM-1T) was isolated from salt marsh around the junction of the Youngsan River and the Yellow Sea in Korea and subjected to a polyphasic taxonomic study. This organism grew optimally at 37 °C and was able to grow at 10 and 45 °C. It grew optimally in the presence of 2-3 % (w/v) NaCI. The major fatty acids in strain SM-1T were iso-C15:0 and C16:0. Strain SM-1T and Microbulbifer hydrolyticus DSM 11525T were characterized by having ubiquinone-8 as the predominant respiratory lipoquinone. The DNA G+C content of strain SM-1T was 59 mol%. Phylogenetic analysis based on 16S rDNA sequences showed that strain SM-1T formed a coherent cluster with M. hydrolyticus; this relationship was supported by a bootstrap resampling value of 100 %. The level of 16S rDNA identity between strain SM-1T and the type strain of M. hydrolyticus was 98.6 %. The mean level of DNA-DNA relatedness between strain SM-1T and the type strain of M. hydrolyticus was 20.6 %. Therefore, on the basis of phenotypic properties, phylogeny and genomic data, strain SM-1T should be placed in the genus Microbulbifer as a member of a novel species, for which the name Microbulbifer salipaludis sp. nov. is proposed. The type strain of the novel species is strain SM-1T (=KCCM 41586T =JCM 11542T).
ISSN
0020-7713
Publisher
Microbiology Soc
DOI
http://dx.doi.org/10.1099/ijs.0.02342-0
Type
Article
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1. Journal Articles > Journal Articles
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