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Hahyoungchilella caricis gen. nov., sp. nov., isolated from a rhizosphere mudflat of a halophyte (Carex scabrifolia), transfer of Thioclava arenosa Thongphrom et al. 2017 to Pseudothioclava as Pseudothioclava arenosa gen. nov., comb. nov. and proposal of Thioclava electrotropha Chang et al. 2018 as a later heterosynonym of Thioclava sediminum

  • Microbial Systematics and Evolutionary Microbiology
  • Published:
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An Erratum to this article was published on 01 April 2020

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Abstract

A Gram-stain-negative strictly aerobic, marine bacterium, designated GH2-2T, was isolated from a rhizosphere mudflat of a halophyte (Carex scabrifolia) in Gangwha Island, the Republic of Korea. The cells of the organism were oxidase-positive, catalase-positive, flagellated, short rods that grew at 10–40°C, pH 4–10, and 0–13% (w/v) NaCl. The predominant ubiquinone was Q-10. The major polar lipids were phosphatidylcholine, phosphatidylethanolamine, and phosphatidylglycerol. The major fatty acid is C18:1. Phylogenetic analysis based on 16S rRNA gene sequences revealed that the novel isolate formed an independent lineage at the base of the radiation encompassing members of the genus Thioclava, except for Thioclava arenosa. The closest relatives were T. nitratireducens (96.03% sequence similarity) and T. dalianensis (95.97%). The genome size and DNA G+C content were 3.77 Mbp and 59.6 mol%, respectively. Phylogenomic analysis supported phylogenetic distinctness based on 16S rRNA gene sequences. Average nucleotide identity values were 73.6–74.0% between the novel strain and members of the genus Thioclava. On the basis of data obtained from a polyphasic approach, the strain GH2-2T (= KCTC 62124T = DSM 105743) represents a novel species of a new genus for which the name Hahyoungchilella caricis gen. nov., sp. nov. is proposed. Moreover, the transfer of Thioclava arenosa Thongphrom et al. 2017 to Pseudothioclava gen. nov. as Pseudothioclava arenosa comb. nov. is also proposed. Finally, Thioclava electrotropha Chang et al. 2018 is proposed to be a later heterosynonym of Thioclava sediminum Liu et al. 2017.

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Change history

  • 01 April 2020

    In the article by Kim and Lee published in Journal of Microbiology 2019; 57, 1048–1055, The sentence ‘The type strain of <Emphasis Type="Italic">Pseudothioclava arenosa</Emphasis> is CAU 1312<Superscript>T</Superscript> (=KCTC 52190<Superscript>T</Superscript> = NBRC 111989<Superscript>T</Superscript>).’ should be added in the section ‘Description of <Emphasis Type="Italic">Pseudothioclava arenosa</Emphasis> comb. nov’ on 12th line of page 1054.

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Acknowledgements

This research was carried out by the project for the survey and excavation of Korean indigenous species of the National Institute of Biological Resources (NIBR) under the Ministry of Environment, Korea, and through the partial support of the National Research Foundation of Korea (no. 2019015605). The authors are thankful for Dr. J. S. Lee (KCTC) for providing the type strains of T. arenosa and T. nitratireducens.

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  1. Ilseong Landscaping Co., Ltd., Jeju, 63242, Republic of Korea

    Young-Ju Kim

  2. Faculty of Science Education, Jeju National University, Jeju, 63243, Republic of Korea

    Soon Dong Lee

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  1. Young-Ju Kim
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Correspondence to Soon Dong Lee.

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Kim, YJ., Lee, S.D. Hahyoungchilella caricis gen. nov., sp. nov., isolated from a rhizosphere mudflat of a halophyte (Carex scabrifolia), transfer of Thioclava arenosa Thongphrom et al. 2017 to Pseudothioclava as Pseudothioclava arenosa gen. nov., comb. nov. and proposal of Thioclava electrotropha Chang et al. 2018 as a later heterosynonym of Thioclava sediminum. J Microbiol. 57, 1048–1055 (2019). https://doi.org/10.1007/s12275-019-9260-y

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