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Hyun Dong-Wook,Tak Euon Jung,Kim Pil Soo,Bae Jin-Woo 한국미생물학회 2021 The journal of microbiology Vol.59 No.2
A polyphasic taxonomic approach was used to characterize two novel bacterial strains, HDW17AT and HDW17BT, isolated from the intestine of the diving beetle Cybister lewisianus, and the dark diving beetle Hydrophilus acuminatus, respectively. Both strains were Gram-positive and facultative anaerobic cocci forming cream-colored colonies. The isolates grew optimally at 25°C, pH 7, in the presence of 0.3% (wt/vol) NaCl. Phylogenetic analysis based on 16S rRNA gene sequences and genome sequences showed that the isolates were members of the genus Vagococcus, and strain HDW17AT was closely related to Vagococcus fessus CCUG 41755T (98.9% of 16S rRNA gene sequence similarity and 74.3% of average nucleotide identity [ANI]), whereas strain HDW17BT was closely related to Vagococcus fluvialis NCFB 2497T (98.9% of 16S rRNA gene sequence similarity and 76.6% of ANI). Both strains contained C16:0, and C18:1 ω9c as the major cellular fatty acids, but C16:1 ω9c was also observed only in strain HDW17BT as the major cellular fatty acid. The respiratory quinone of the isolates was MK-7. The major polar lipid components were phosphatidylglycerol, phosphatidylethanolamine, and diphosphatidylglycerol. The genomic DNA G + C content of strains HDW17AT and HDW17BT were 36.6 and 34.4%, respectively. Both strains had cell wall peptidoglycan composed of the amino acids L-alanine, glycine, D-glutamic acid, L-tryptophan, L-lysine, and L-aspartic acid, and the sugars ribose, glucose, and galactose. Based on phylogenetic, phenotypic, chemotaxonomic, and genotypic analyses, strains HDW17AT and HDW17BT represent two novel species in the genus Vagococcus. We propose the name Vagococcus coleopterorum sp. nov. for strain HDW17AT (= KACC 21348T = KCTC 49324T = JCM 33674T) and the name Vagococcus hydrophili sp. nov. for strain HDW17BT (= KACC 21349T = KCTC 49325T = JCM 33675T).
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Kim, Pil Soo,Lee, Ki-Eun,Tak, Euon Jung,Kang, Myung-Suk,Bae, Jin-Woo The National Institute of Biological Resources 2020 Journal of species research Vol.9 No.1
In 2016 and 2017, as part of a comprehensive investigation to identify the prokaryotic species in Korea, a total of 12 bacterial strains were isolated from the gastrointestinal tract and/or fecal samples of four endangered species, including reptile, bird, and marine and terrestrial mammals. Phylogenetic analysis with the 16S rRNA gene sequence was used to assign these strains to the phyla, Firmicutes, Actinobacteria or Proteobacteria. Furthermore, most of the strains Firmicutes belonged to the order Lactobacillales. Interestingly, 12 of the isolated strains have not been previously reported from the Korean Peninsula. Also, based on their high 16S rRNA gene sequence similarities(>98.7%) and formation of strong monophyletic clades with the closest type species, each isolated strain of isolates was assigned to an independent, predefined bacterial species. Gram-stain reaction, colony and cell morphology, biochemical characteristics, isolation source, and NIBR IDs are described in the species description section.
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Lee So-Yeon,Sung Hojun,Kim Pil Soo,Kim Hyun Sik,Lee Jae-Yun,이준영,Jeong Yun-Seok,Tak Euon Jung,Han Jeong Eun,Hyun Dong-Wook,Bae Jin-Woo 한국미생물학회 2021 The journal of microbiology Vol.59 No.11
Phenotypic and genomic analyses were performed to characterize two novel species, H23M54T and AMA3305T, isolated from the faeces of the Oriental stork (Ciconia boyciana) and the cinereous vulture (Aegypius monachus), respectively. Strains H23M54T and AMA3305T showed the highest similarities of 16S rRNA gene sequences and complete genome sequences with Ornithinimicrobium cavernae CFH 30183T (98.5% of 16S rRNA gene sequence similarity and 82.1% of average nucleotide identity, ANI) and O. pekingense DSM 21552T (98.5% of 16S rRNA gene sequence similarity and 82.3% of ANI), respectively. Both strains were Gram-stain-positive, obligate aerobes, non-motile, non-spore-forming, and coccoid- and rodshaped. Strain H23M54T grew optimally at 25–30°C and pH 8.0 and in the presence of 1.5–2% (wt/vol) NaCl, while strain AMA3305T grew optimally at 30°C and pH 7.0 and in the presence of 1–3% (wt/vol) NaCl. Both strains had iso-C15:0, iso- C16:0, and summed feature 9 (iso-C17:1 ω9c and/or C16:0 10- methyl) as major cellular fatty acids. MK-8 (H4) was identified as the primary respiratory quinone in both strains. Strains H23M54T and AMA3305T possessed diphosphatidylglycerol and phosphatidylglycerol as major polar lipids. Moreover, strains H23M54T and AMA3305T commonly contained ribose and glucose as major sugars and L-ornithine, L-alanine, glycine, and aspartic acid as major amino acids. The polyphasic taxonomic data indicate that strains H23M54T and AMA3305T represent novel species of the genus Ornithinimicrobium. We propose the names Ornithinimicrobium ciconiae sp. nov. and Ornithinimicrobium avium sp. nov. for strains H23M54T (= KCTC 49151T = JCM 33221T) and AMA3305T (= KCTC 49180T = JCM 32873T), respectively.
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Tumebacillus avium sp. nov., isolated from the gut of a cinereous vulture, Aegypius monachus
Sung, Hojun,Kim, Hyun Sik,Lee, June-Young,Kang, Woorim,Kim, Pil Soo,Hyun, Dong-Wook,Tak, Euon Jung,Jung, Mi-Ja,Yun, Ji-Hyun,Kim, Min-Soo,Shin, Na-Ri,Whon, Tae Woong,Rho, Jeong Rae,Park, Sun Duk,Shim, Microbiology Society 2018 International journal of systematic and evolutiona Vol.68 No.5
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Oceanisphaera avium sp. nov., isolated from the gut of the cinereous vulture, Aegypius monachus
Sung, Hojun,Kim, Hyun Sik,Lee, June-Young,Kang, Woorim,Kim, Pil Soo,Hyun, Dong-Wook,Tak, Euon Jung,Jung, Mi-Ja,Yun, Ji-Hyun,Kim, Min-Soo,Shin, Na-Ri,Whon, Tae Woong,Rho, Jeong Rae,Park, Sun Duk,Shim, Microbiology Society 2018 International journal of systematic and evolutiona Vol.68 No.6
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Lee, Jae-Yun,Kang, Woorim,Kim, Pil Soo,Lee, So-Yeon,Shin, Na-Ri,Sung, Hojun,Lee, June-Young,Yun, Ji-Hyun,Jeong, Yun-Seok,Han, Jeong Eun,Jung, Mi-Ja,Hyun, Dong-Wook,Kim, Hyun Sik,Tak, Euon Jung,Kang, M Society for General Microbiology 2019 International journal of systematic and evolutiona Vol.69 No.9
<P> A novel Gram-stain-negative, facultatively anaerobic, non-motile, non-violet-pigmented, rod-shaped bacterium, designated strain H11R3<SUP>T</SUP>, was isolated from the feces of Oriental stork, <I>Ciconia boyciana</I>, collected from Seoul Grand Park Zoo, Republic of Korea. Phylogenetic analysis of the 16S rRNA gene sequence revealed that H11R3<SUP>T</SUP> formed a monophyletic clade with <I>Iodobacter fluviatilis</I> DSM 3764<SUP>T</SUP>, <I>Iodobacter arcticus</I> DSM 100243<SUP>T</SUP>, and <I>Iodobacter limnosediminis</I> DSM 103822<SUP>T</SUP>, with sequence similarities of 98.8, 98.6 and 98.4%, respectively. H11R3<SUP>T</SUP> grew optimally at 15 ℃, pH 8, with 0.5% (w/v) NaCl. The predominant isoprenoid quinone was ubiquinone-8 (Q-8), and polar lipids included phosphatidylethanolamine, three unidentified lipids, four unidentified phospholipids, and two unidentified aminophospholipids. The major fatty acids were summed feature 3 and C<SUB>16 : 0</SUB>, and the DNA G+Ccontent of the genome is 48.0mol%. The average nucleotide identity (ANI) value between strains H11R3<SUP>T</SUP> and <I>I. fluviatilis</I> NCTC 11159<SUP>T</SUP> (=DSM 3764T) is 83.7%. On the basis of phenotypic, genotypic, phylogenetic and chemotaxonomic characteristics, strain H11R3<SUP>T</SUP> represents a novel species of the genus <I>Iodobacter</I> for which the name <I>Iodobacter ciconiae</I> sp. nov. is proposed. The type strain is H11R3<SUP>T</SUP> (=KCTC 62666<SUP>T</SUP>=JCM 33283<SUP>T</SUP>). </P>
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