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Salinicola peritrichatus sp. nov., isolated from deep-sea sediment

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Abstract

A Gram stain-negative, aerobic and rod-shaped bacterium, strain DY22T, was isolated from a deep-sea sediment collected from the east Pacific Ocean. The isolate was found to grow in the presence of 0–20.0 % (w/v) NaCl and at pH 4.5–8.5; optimum growth was observed with 0.5–2.0 % (w/v) NaCl and at pH 5.0–7.0. Chemotaxonomic analysis showed the presence of ubiquinone-9 as predominant respiratory quinone and C16:0, C19:0 ω8c cyclo and C12:0 3-OH as major cellular fatty acids. The genomic DNA G+C content was determined to be 59.6 mol%. Comparative 16S rRNA gene sequence analysis revealed that the novel isolate belongs to the genus Salinicola. Strain DY22T exhibited the closest phylogenetic affinity to the type strain of Salinicola salarius with 97.2 % sequence similarity and less than 97 % sequence similarity with respect to other Salinicola species with validly published names. The DNA–DNA reassociation values between strain DY22T and S. salarius DSM 18044T was 52 ± 4 %. On the basis of phenotypic, chemotaxonomic and genotypic data, strain DY22T represents a novel species of the genus Salinicola, for which the name Salinicola peritrichatus sp. nov. (type strain DY22T = CGMCC 1.12381T = JCM 18795T) is proposed.

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Acknowledgments

We thank Jean Euzéby for his help with the specific etymology and nomenclature. This study was supported by Grants from China Ocean Mineral Resources R & D Association (COMRA) Special Foundation (DY125-14-E-02), the Public Science and Technology Research Funds Projects of Ocean (201005032-3) and the National Natural Science Foundation of China (41276173).

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Authors and Affiliations

  1. State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, State Oceanic Administration, Hangzhou, 310012, People’s Republic of China

    Ying-Yi Huo, Fan-Xu Meng, Lin Xu, Chun-Sheng Wang & Xue-Wei Xu

  2. Laboratory of Marine Ecosystem and Biogeochemistry, State Oceanic Administration, Hangzhou, 310012, People’s Republic of China

    Ying-Yi Huo, Fan-Xu Meng, Lin Xu, Chun-Sheng Wang & Xue-Wei Xu

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  1. Ying-Yi Huo
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  2. Fan-Xu Meng
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  3. Lin Xu
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  4. Chun-Sheng Wang
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  5. Xue-Wei Xu
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Corresponding author

Correspondence to Xue-Wei Xu.

Additional information

The GenBank accession number for 16S rRNA gene sequence of S. peritrichatus DY22T is KC005304.

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Huo, YY., Meng, FX., Xu, L. et al. Salinicola peritrichatus sp. nov., isolated from deep-sea sediment. Antonie van Leeuwenhoek 104, 55–62 (2013). https://doi.org/10.1007/s10482-013-9925-1

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  • DOI: https://doi.org/10.1007/s10482-013-9925-1

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