Abstract
A Gram-negative, non-motile, non-endospore-forming bacterial strain, designated DPSR-4T, was isolated from a tidal flat sediment on the southern coast of Korea. Strain DPSR-4T grew optimally at 25–30°C, at pH 7.0–7.5 and in the presence of 2% (w/v) NaCl. A Neighbour-Joining phylogenetic tree based on 16S rRNA gene sequences revealed that strain DPSR-4T clustered with Salinimonas chungwhensis BH030046T by a high bootstrap resampling value of 99.7%. Strain DPSR-4T exhibited 96.2% 16S rRNA gene sequence similarity to that of S. chungwhensis BH030046T and 93.7–96.6% sequence similarity to the sequences of type strains of Alteromonas species. Strain DPSR-4T contained Q-8 as the predominant ubiquinone and iso-C15:0 2-OH and/or C16:1 ω7c, C16:0 and C18:1 ω7c as the major fatty acids. The major polar lipids detected in strain DPSR-4T and S. chungwhensis KCTC 12239T were phosphatidylglycerol, phosphatidylethanolamine and an unidentified phospholipid. The DNA G+C content was 53.4 mol%. Differential phenotypic properties and phylogenetic distinctiveness of strain DPSR-4T demonstrated that this strain is distinguishable from the sole recognized species of the genus Salinimonas, S. chungwhensis. On the basis of phenotypic, chemotaxonomic and phylogenetic data, strain DPSR-4T is considered to represent a novel species of the genus Salinimonas, for which the name Salinimonas lutimaris sp. nov. is proposed. The type strain is DPSR-4T (KCTC 23464T, CCUG 60743T).
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This work was supported by the Program for Collection, Management and Utilization of Biological Resources (grant M10867010003) and BK21 program from the Ministry of Education, Science and Technology (MEST) of the Republic of Korea.
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The GenBank accession number of the 16S rRNA gene sequence of Salinimonas lutimaris DPSR-4T is HQ340609.
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Yoon, JH., Kang, SJ. & Lee, SY. Salinimonas lutimaris sp. nov., a polysaccharide-degrading bacterium isolated from a tidal flat. Antonie van Leeuwenhoek 101, 803–810 (2012). https://doi.org/10.1007/s10482-011-9695-6
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DOI: https://doi.org/10.1007/s10482-011-9695-6