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Roseovarius litoreus sp. nov., isolated from seawater of southern coast of Korean peninsula

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Abstract

A gram-negative, non-flagellated and ovoid- to rod-shaped bacterial strain, designated GSW-M15T, was isolated from seawater on the southern coast of South Korea. Strain GSW-M15T grew optimally at 30 °C, at pH 7.0–7.5 and in the presence of 2 % (w/v) NaCl. The phylogenetic trees based on 16S rRNA gene sequences revealed that strain GSW-M15T belonged to the genus Roseovarius. Strain GSW-M15T exhibited highest 16S rRNA gene sequence similarity values (98.3 and 97.5 %) to Roseovarius halotolerans HJ50T and Roseovarius pacificus 81-2T and 92.8-96.2 % sequence similarity values to the type strains of the other Roseovarius species. Strain GSW-M15T contained Q-10 as the predominant ubiquinone and C18:1 ω7c and 11-methyl-C18:1 ω7c as the major fatty acids. The major polar lipids detected in strain GSW-M15T were phosphatidylcholine, phosphatidylglycerol, phosphatidylethanolamine, one unidentified aminolipid and two unidentified lipids. The DNA G+C content of strain GSW-M15T was 62.9 mol% and its mean DNA–DNA relatedness values with R. halotolerans KCTC 22224T and R. pacificus LMG 24575T were 33 and 18 %, respectively. Differential phenotypic properties of strain GSW-M15T, together with the phylogenetic and genetic distinctiveness, demonstrated that this strain is distinguishable from other Roseovarius species. On the basis of the data presented here, strain GSW-M15T (=KCTC 23897T = CCUG 62218T) represents a novel species of the genus Roseovarius, for which the name Roseovarius litoreus sp. nov. is proposed.

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Acknowledgments

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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Authors and Affiliations

  1. Korea Research Institute of Bioscience and Biotechnology (KRIBB), 115, Yuseong, Daejeon, South Korea

    Yong-Taek Jung & Sooyeon Park

  2. University of Science and Technology (UST), 113, Gwahangno, Yuseong, Daejeon, South Korea

    Yong-Taek Jung

  3. Department of Food Science and Biotechnology, Sungkyunkwan University, Jangan-gu, Suwon, South Korea

    Jung-Hoon Yoon

Authors
  1. Yong-Taek Jung
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  2. Sooyeon Park
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  3. Jung-Hoon Yoon
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Correspondence to Jung-Hoon Yoon.

Additional information

The GenBank accession number of the 16S rRNA gene sequence of Roseovarius litoreus GSW-M15Tis JQ390520.

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Jung, YT., Park, S. & Yoon, JH. Roseovarius litoreus sp. nov., isolated from seawater of southern coast of Korean peninsula. Antonie van Leeuwenhoek 102, 141–148 (2012). https://doi.org/10.1007/s10482-012-9721-3

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  • DOI: https://doi.org/10.1007/s10482-012-9721-3

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