Flaviaesturariibacter flavus sp. nov., isolated from soil in Jeju Island
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ORIGINAL PAPER
Flaviaesturariibacter flavus sp. nov., isolated from soil in Jeju Island Jun Hwee Jang1,2 · Soo Hyun Maeng1 · Hee Young Jung2 · Myung Kyum Kim1 · Gayathri Subramani1 Received: 27 March 2019 / Revised: 6 June 2020 / Accepted: 24 June 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract A Gram-stain-negative, non-motile and yellow-colored bacterium, designated 17J68-12T, was isolated from soil in Jeju Island, Korea. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain 17J68-12T formed a distinct lineage within the family Chitinophagaceae and was mostly related to members of Flaviaesturariibacter luteus (97.5%), Flaviaesturariibacter amylovorans (96.8%) and Flaviaesturariibacter terrae (96.8%). Growth was observed at 18–42 °C (optimum 30 °C) in R2A broth at pH 7.0. The major cellular fatty acids of the strain 17J68-12 T were summed feature 3 (C16:1 ω6c and/or C 16:1 ω7c), summed feature 1 (C15:1 iso-H and/or C 13:0 3-OH), and iso-C15:0. The predominant respiratory quinones are MK-7 and MK-6. The major polar lipid was identified as phosphatidylethanolamine. Based on biochemical, chemotaxonomic and phylogenetic characteristics, the strain 17J68-12T represents a novel bacterial species within the family Chitinophagaceae, for which the name Flaviaesturariibacter flavus sp. nov. is proposed. The type strain of Flaviaesturariibacter flavus is 17J68-12T (= KCTC 62219T = JCM 33179T). Keywords Chitinophagaceae · Flaviaesturariibacter · Novel species · Taxonomy
Introduction
Communicated by Erko Stackebrandt. Jun Hwee Jang, Soo Hyun Maeng: Co-first authorship. TaxoNumber and draft genome accession number The Digital Protologue database TaxoNumber for strain 17J68-12T is TA00801. The draft genome sequence of strain 17J68-12T was deposited at DDBJ/EMBL/GenBank under the accession number SJZI01000000. Electronic supplementary material The online version of this article (https://doi.org/10.1007/s00203-020-01963-3) contains supplementary material, which is available to authorized users. * Myung Kyum Kim [email protected] * Gayathri Subramani [email protected] 1
Department of Bio and Environmental Technology, College of Natural Science, Seoul Women’s University, Seoul 01797, Republic of Korea
College of Agricultural and Life Sciences, Kyungpook National University, Daegu 41566, Republic of Korea
2
The genus Flaviaesturariibacter is first proposed by Kang et al. (2015), belonging to the family Chitinophagaceae. At the time of writing, the genus Flaviaesturariibacter consists of 3 species (https://www.bacterio.net), Flaviaesturariibacter amylovorans (Kang et al. 2015), Flaviaesturariibacter luteus (Pascual et al. 2017), and Flaviaesturariibacter terrae (Okiria et al. 2017). Within the family, the genus Flaviaesturariibacter was closely related to the genera Cnuella (Zhao et al. 2015), and Flavisolibacter (Yoon and Im 2007). The cells of this genus are Gram-stain-negative, rod-shaped, nonmotile, and non-spore forming. Earlier, the isolation source of
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