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Salicibibacter kimchii gen. nov., sp. nov., a moderately halophilic and alkalitolerant bacterium in the family Bacillaceae, isolated from kimchi

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Abstract

A moderately halophilic and alkalitolerant bacterial strain NKC1-1T was isolated from commercial kimchi in Korea. Strain NKC1-1T was Gram-stain-positive, aerobic, rod-shaped, non-motile, and contained diaminopimelic acid-type murein. Cell growth was observed in a medium containing 0–25% (w/v) NaCl (optimal at 10% [w/v]), at 20–40°C (optimal at 37°C) and pH 6.5–10.0 (optimal at pH 9.0). The major isoprenoid quinone of the isolate was menaquinone-7, and the major polar lipids were phosphatidylglycerol and unidentified phospholipids. Cell membrane of the strain contained iso-C17:0 and anteiso-C15:0 as the major fatty acids. Its DNA G + C content was 45.2 mol%. Phylogenetic analysis indicated the strain to be most closely related to Geomicrobium halophilum with 92.7–92.9% 16S rRNA gene sequence similarity. Based on polyphasic taxonomic evaluation with phenotypic, phylogenetic, and chemotaxonomic analyses, the strain represents a novel species in a new genus, for which the name Salicibibacter kimchii gen. nov., sp. nov. is proposed (= CECT 9537T; KCCM 43276T).

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  1. These authors contributed equally to this work.

Authors and Affiliations

  1. Research and Development Division, World Institute of Kimchi, Gwangju, 61755, Republic of Korea

    Ja-Young Jang, Young Joon Oh, Seul Ki Lim, Hyo Kyeong Park, Changsu Lee, Mi-Ai Lee & Hak-Jong Choi

  2. Department of Biology, Kyung Hee University, Seoul, 02447, Republic of Korea

    Joon Yong Kim

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  1. Ja-Young Jang
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  2. Young Joon Oh
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  3. Seul Ki Lim
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  4. Hyo Kyeong Park
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  5. Changsu Lee
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  6. Joon Yong Kim
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  7. Mi-Ai Lee
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Correspondence to Hak-Jong Choi.

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Jang, JY., Oh, Y.J., Lim, S.K. et al. Salicibibacter kimchii gen. nov., sp. nov., a moderately halophilic and alkalitolerant bacterium in the family Bacillaceae, isolated from kimchi. J Microbiol. 56, 880–885 (2018). https://doi.org/10.1007/s12275-018-8518-0

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  • DOI: https://doi.org/10.1007/s12275-018-8518-0

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