Hymenobacter radiodurans sp. nov., isolated from soil in the Republic of Korea
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ORIGINAL PAPER
Hymenobacter radiodurans sp. nov., isolated from soil in the Republic of Korea Jun Hwee Jang1,2 · Soo Hyun Maeng2 · Hee Young Jung1 · Myung Kyum Kim2 · Gayathri Subramani2 Received: 26 May 2019 / Revised: 27 March 2020 / Accepted: 11 May 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract A bacterial strain, designated 17J36-26T, was isolated from the UV-irradiated soil from Jeju Island, South Korea. Cells are Gram negative, strictly aerobic, non-motile, non-spore forming, rod shaped, and catalase and oxidase positive. The major fatty acids of strain 17J36-26T were summed feature 4 (17:1 iso I/17:1 anteiso B), summed feature 3 (16:1 ω6c/16:1 ω7c), C16:1 ω5c and iso-C15:0. The polar lipid profile contained phosphatidylethanolamine, unidentified aminophospholipid, phospholipids and four unidentified lipids. The G+C content of the strain 17J36-26T was 62.6 mol%. The 16S rRNA gene sequence analysis showed that strain 17J36-26T was phylogenetically related to Hymenobacter qilianensis DK6-37T and Hymenobacter roseosalivarius AA718T (97.5% and 96.8% sequence similarity, respectively). Strain 17J36-26T showed resistance to UV radiation. Both average nucleotide identity (ANI) and in silico DNA–DNA hybridization (isDDH) values between strains 17J36-26T and type strains of Hymenobacter species were lower than the cut-off (≥ 95–96% for ANI and ≥ 70% for isDDH) to define a bacterial new species. The polyphasic approach using genotypic, phenotypic and chemotaxonomic data showed that strain 17J36-26T could be distinguished from its phylogenetically related species, and thus, the strain representative of a novel species within the genus Hymenobacter, for which the name Hymenobacter radiodurans sp. nov. (type strain 17J3626T = KCTC 62269T = JCM 33185T) is proposed. Keywords UV irradiation · Hymenobacer · Hymenobaceraceae · Novel species
Introduction Communicated by Erko Stackebrandt. Jun Hwee Jang and Soo Hyun Maeng: co-first authors. Accession numbers The GenBank accession number for the 16S rRNA gene sequences of strain 17J36-26T is MH588268. The draft genome sequence of strain 17J36-26T was deposited at DDBJ/EMBL/GenBank under the accession number NZ_ CP037921. Electronic supplementary material The online version of this article (https://doi.org/10.1007/s00203-020-01895-y) contains supplementary material, which is available to authorized users. * Myung Kyum Kim [email protected] * Gayathri Subramani [email protected] 1
College of Agricultural and Life Sciences, Kyungpook National University, Taegu 41566, Republic of Korea
Department of Bio and Environmental Technology, College of Natural Science, Seoul Women’s University, Seoul 01797, Republic of Korea
2
The genus Hymenobacter was first described by Hirsch et al. (1998), and the genus was amended by Buczolits et al. (2006) and Han et al. (2014). At the time of writing, the genus consisted of 65 species with validly published names (https: //www.bacter io.net/). Members of the genus Hymenobacter have been isolated fro
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