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. 2010 May;60(Pt 5):1177-1181.
doi: 10.1099/ijs.0.015073-0. Epub 2009 Aug 10.

Pseudoruegeria Lutimaris Sp. Nov., Isolated From a Tidal Flat Sediment, and Emended Description of the Genus Pseudoruegeria

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Pseudoruegeria Lutimaris Sp. Nov., Isolated From a Tidal Flat Sediment, and Emended Description of the Genus Pseudoruegeria

Yong-Taek Jung et al. Int J Syst Evol Microbiol. .

Abstract

A Gram-negative-staining, non-motile and rod-shaped bacterial strain, HD-43(T), was isolated from a tidal flat sediment collected from Hwang-do, an island of Korea. Strain HD-43(T) grew optimally at pH 7.0-8.0, at 30 degrees C and in the presence of 2 % (w/v) NaCl. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain HD-43(T) clustered with Pseudoruegeria aquimaris SW-255(T). It exhibited 96.6 % 16S rRNA gene sequence similarity and 79.4 % gyrB sequence similarity with P. aquimaris SW-255(T). Strain HD-43(T) contained Q-10 as the predominant ubiquinone and C(18 : 1)omega7c as the major fatty acid. The major polar lipids were phosphatidylcholine, phosphatidylglycerol, phosphatidylethanolamine, an unidentified aminolipid, an unidentified glycolipid and an unidentified lipid. The DNA G+C content was 73.5 mol%. The mean DNA-DNA relatedness between strain HD-43(T) and P. aquimaris SW-255(T) was 5 %. Differential phenotypic properties demonstrated that strain HD-43(T) is clearly distinguishable from P. aquimaris. On the basis of phenotypic, chemotaxonomic and phylogenetic data, strain HD-43(T) is considered to represent a novel species of the genus Pseudoruegeria, for which the name Pseudoruegeria lutimaris sp. nov. is proposed. The type strain is HD-43(T) (=KCTC 22690(T) =CCUG 57754(T)).

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