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Deinococcus kurensis sp. nov., isolated from pond water collected in Japan

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Abstract

An aerobic, oligotrophic, Gram-positive, non-sporulating, motile, rod-shaped, palladium-leaching bacterial strain, Deinococcus sp. KR-1, was previously isolated from pond water collected in Japan. This strain grew at 10 °C to 40 °C (optimum 30 °C), at pH 4.5 to 11.5 (optimum pH 8.0), and in the presence of 2.0% NaCl. Its major cellular fatty acids were C15: 1ω6 and C16 : 1ω7c. The quinone system was menaquinone 8. Multilocus sequence analysis based on partial sequences of four housekeeping genes (atpD, dnaA, gyrB and rpoB) showed that branching of Deinococcus sp. KR-1 was distant to those of Deinococcus type strains. The genome average nucleotide identity value between strain KR-1 and its closest related Deinococcus type strain was less than 95.69%. Based on its phenotypic, chemotaxonomic and phylogenetic data, strain KR-1 (= HUT-8138T = KCTC 33977T) can be considered a novel species within the genus Deinococcus with the proposed name Deinococcus kurensis sp. nov.

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Acknowledgements

We are grateful to all members of the Bio-conversion Research Group at our Institute [Research Institute for Sustainable Chemistry, National Institute of Advanced Industrial Science and Technology (AIST)] for their technical assistance and valuable discussion. Our work was supported by Grants from JSPS KAKENHI to H. Akita (19K15743) and to Z. Kimura (18H01574).

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Correspondence to Zen-ichiro Kimura.

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Communicated by Erko Stackebrandt.

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Akita, H., Itoiri, Y., Ihara, S. et al. Deinococcus kurensis sp. nov., isolated from pond water collected in Japan. Arch Microbiol 202, 1757–1762 (2020). https://doi.org/10.1007/s00203-020-01845-8

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