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Joe HI, Choi JW, Lee JY, Sung H, Jeong SW, Jeong YS, Lee JY, Bae JW. Description of Luteibacter aegosomatis sp. nov., Luteibacter aegosomaticola sp. nov., and Luteibacter aegosomatissinici sp. nov. isolated from the Intestines of Aegosoma sinicum Larvae. J Microbiol 2023:10.1007/s12275-023-00051-7. [PMID: 37145290 DOI: 10.1007/s12275-023-00051-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 04/10/2023] [Accepted: 04/13/2023] [Indexed: 05/06/2023]
Abstract
Three novel bacterial strains, 321T, 335T, and 353T, were isolated from the intestines of Aegosoma sinicum larvae collected from Paju-Si, South Korea. The strains were Gram-negative, obligate aerobe and had rod-shaped cells with a single flagellum. The three strains belonged to the genus Luteibacter in the family Rhodanobacteraceae and shared < 99.2% similarity in their 16S rRNA gene sequence and < 83.56% similarity in thier whole genome sequence. Strains 321T, 335T, and 353T formed a monophyletic clade with Luteibacter yeojuensis KACC 11405T, L. anthropi KACC 17855T, and L. rhizovicinus KACC 12830T, with sequence similarities of 98.77-98.91%, 98.44-98.58%, and 97.88-98.02%, respectively. Further genomic analyses, including the construction of the Up-to-date Bacterial Core Gene (UBCG) tree and assessment of other genome-related indices, indicated that these strains were novel species belonging to the genus Luteibacter. All three strains contained ubiquinone Q8 as their major isoprenoid quinone and iso-C15:0 and summed feature 9 (C16:0 10-methyl and/or iso-C17:1 ω9c) as their major cellular fatty acids. Phosphatidylethanolamine and diphosphatidylglycerol were the major polar lipids in all the strains. The genomic DNA G + C contents of strains 321T, 335T, and 353T were 66.0, 64.5, and 64.5 mol%, respectively. Based on multiphasic classification, strains 321T, 335T, and 353T were classified into the genus Luteibacter as the type strains of novel species, for which the names Luteibacter aegosomatis sp. nov., Luteibacter aegosomaticola sp. nov., and Luteibacter aegosomatissinici sp. nov. are proposed, respectively.
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Affiliation(s)
- Hae-In Joe
- Department of Biology, Kyung Hee University, Seoul, 02447, Republic of Korea
- Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Jee-Won Choi
- Department of Biology, Kyung Hee University, Seoul, 02447, Republic of Korea
- Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - June-Young Lee
- Department of Biology, Kyung Hee University, Seoul, 02447, Republic of Korea
- Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Hojun Sung
- Department of Biology, Kyung Hee University, Seoul, 02447, Republic of Korea
- Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Su-Won Jeong
- Department of Biology, Kyung Hee University, Seoul, 02447, Republic of Korea
- Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Yun-Seok Jeong
- Department of Biology, Kyung Hee University, Seoul, 02447, Republic of Korea
- Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Jae-Yun Lee
- Department of Biology, Kyung Hee University, Seoul, 02447, Republic of Korea
- Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Jin-Woo Bae
- Department of Biology, Kyung Hee University, Seoul, 02447, Republic of Korea.
- Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea.
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea.
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Yoo JH, Han JE, Lee JY, Jeong SW, Jeong YS, Lee JY, Lee SY, Sung H, Tak EJ, Kim HS, Kim PS, Choi JW, Kim DY, Jeong IC, Gim DH, Kang SM, Bae JW. Parasphingorhabdus cellanae sp. nov., isolated from the gut of a Korean limpet, Cellana toreuma. Int J Syst Evol Microbiol 2022; 72. [DOI: 10.1099/ijsem.0.005470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
A novel bacterium, designated strain JHSY0214T, was isolated from the gut of a Korean limpet, Cellana toreuma. Cells of strain JHSY0214T were Gram-stain-negative, strictly aerobic, yellow-pigmented, non-spore-forming, non-motile and showed a rod–coccus growth cycle. Phylogenetic analysis based on 16S rRNA gene sequences indicated that the strain belonged to the genus
Parasphingorhabdus
, and was most closely related to
Parasphingorhabdus litoris
KCTC 12764T (98.71 %). Strain JHSY0214T had two fluoroquinolone-resistance genes and seven multidrug-resistance efflux pump genes, but did not have beta-lactamase genes and zinc resistance genes compared with
P. litoris
KCTC 12764T. Strain JHSY0214T grew optimally at 30 °C, pH 7.0 and in the presence of 2 % (w/v) NaCl. The predominant cellular fatty acids of strain JHSY0214T were summed feature 8 (C18 : 1
ω6c and/or C18 : 1
ω7c; 41.2 %), summed feature 3 (C16 : 1
ω7c and/or C16 : 1
ω6c; 21 %) and C16 : 0 (18.9 %). The major isoprenoid quinone was ubiquinone-10. The major polar lipids were sphingoglycolipid and phosphatidylethanolamine. The genomic DNA G+C content was 52.8 mol%. Based on phylogenetic, genotypic and phenotypic data, strain JHSY0214T represents a novel species of the genus
Parasphingorhabdus
, for which the name Parasphingorhabdus cellanae is proposed. The type strain is JHSY0214T (=KCTC 82387T=DSM 112279T).
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Affiliation(s)
- Ji-Ho Yoo
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Jeong Eun Han
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - June-Young Lee
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Su-Won Jeong
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Yun-Seok Jeong
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Jae-Yun Lee
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - So-Yeon Lee
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Hojun Sung
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Euon Jung Tak
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Hyun Sik Kim
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Pil Soo Kim
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Jee-Won Choi
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Do-Yeon Kim
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - In Chul Jeong
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Do-Hun Gim
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Seo Min Kang
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
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Jung MJ, Kim J, Lee SH, Whon TW, Sung H, Bae JW, Choi YE, Roh SW. Role of combinated lactic acid bacteria in bacterial, viral, and metabolite dynamics during fermentation of vegetable food, kimchi. Food Res Int 2022; 157:111261. [DOI: 10.1016/j.foodres.2022.111261] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 04/10/2022] [Accepted: 04/14/2022] [Indexed: 12/20/2022]
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Cunningham C, Sung H, Benoit J, Conway J, Scott S. Web-Based Knowledge Translation Tools for Parents of Children with Heart Failure: An Environmental Scan. J Heart Lung Transplant 2022. [DOI: 10.1016/j.healun.2022.01.1570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Lee JY, Kang W, Shin NR, Hyun DW, Kim PS, Kim HS, Lee JY, Tak EJ, Sung H, Bae JW. Anaerostipes hominis sp. nov., a novel butyrate-producing bacteria isolated from faeces of a patient with Crohn's disease. Int J Syst Evol Microbiol 2021; 71. [PMID: 34870576 DOI: 10.1099/ijsem.0.005129] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Cultivation and isolation of gut bacteria are necessary for understanding their role in the intestinal ecosystem. We isolated a novel bacterium, designated strain BG01T, from the faeces of a patient with Crohn's disease. Strain BG01T was a strictly anaerobic, rod-shaped, Gram-variable and endospore-forming bacterium. Strain BG01T possessed C12 : 0, C18 : 0 dimethyl aldehyde (DMA) and C18 : 1 ω9c DMA as predominant cellular fatty acids and meso-diaminopimelic acid as a diagnostic diamino acid. Strain BG01T grew at 15-45 °C (optimum, 37 °C), with 0-4 % (w/v) NaCl (optimum, 0-1 %), at pH 6-10 (optimum, pH 7) and was resistant to bile salt, but not to ampicillin, metronidazole, vancomycin and cefoperazone. Butyrate, propionate, oxalacetate and fumarate were produced as fermentation end products from Gifu anaerobic medium broth. Strain BG01T showed 97.7 % 16S rRNA gene sequence similarity, and 92.0 and 48.5 % of average nucleotide identity and digital DNA-DNA hybridization values, respectively, with Anaerostipes caccae KCTC 15019T. Genomic analysis indicated that strain BG01T had a butyrate-producing pathway. The genomic G+C content of the strain was 43.5 mol%. Results of the phenotypic, phylogenetic and genotypic analyses indicated that strain BG01T represents a novel butyrate-producing species of the genus Anaerostipes, for which the name Anaerostipes hominis sp. nov. is proposed. The type strain is BG01T (=KCTC 15617T=JCM 32275T).
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Affiliation(s)
- Jae-Yun Lee
- Department of Biology, Department of Life and Nanopharmaceutical Sciences and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Woorim Kang
- Department of Biology, Department of Life and Nanopharmaceutical Sciences and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Na-Ri Shin
- Biological Resource Center, Korea Research Institute of Bioscience and Biotechnology, Jeongeup-si, Jeollabuk-do 56212, Republic of Korea
| | - Dong-Wook Hyun
- Department of Biology, Department of Life and Nanopharmaceutical Sciences and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Pil Soo Kim
- Department of Biology, Department of Life and Nanopharmaceutical Sciences and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Hyun Sik Kim
- Department of Biology, Department of Life and Nanopharmaceutical Sciences and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - June-Young Lee
- Department of Biology, Department of Life and Nanopharmaceutical Sciences and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Euon Jung Tak
- Department of Biology, Department of Life and Nanopharmaceutical Sciences and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Hojun Sung
- Department of Biology, Department of Life and Nanopharmaceutical Sciences and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Jin-Woo Bae
- Department of Biology, Department of Life and Nanopharmaceutical Sciences and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 130-701, Republic of Korea
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Lee SY, Sung H, Kim PS, Kim HS, Lee JY, Lee JY, Jeong YS, Tak EJ, Han JE, Hyun DW, Bae JW. Description of Ornithinimicrobium ciconiae sp. nov., and Ornithinimicrobium avium sp. nov., isolated from the faeces of the endangered and near-threatened birds. J Microbiol 2021; 59:978-987. [PMID: 34570338 DOI: 10.1007/s12275-021-1323-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 08/10/2021] [Accepted: 08/17/2021] [Indexed: 10/20/2022]
Abstract
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-C17:1ω9c 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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Affiliation(s)
- So-Yeon Lee
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Hojun Sung
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Pil Soo Kim
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Hyun Sik Kim
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Jae-Yun Lee
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - June-Young Lee
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Yun-Seok Jeong
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Euon Jung Tak
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Jeong Eun Han
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Dong-Wook Hyun
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Jin-Woo Bae
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea. .,Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul, 02447, Republic of Korea.
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Jung J, Lim SY, Lee J, Bae S, Lim YJ, Hong MJ, Kwak SH, Kim EO, Sung H, Kim MN, Bae JY, Park MS, Kim SH. Clustering and multiple-spreading events of nosocomial severe acute respiratory syndrome coronavirus 2 infection. J Hosp Infect 2021; 117:28-36. [PMID: 34453983 PMCID: PMC8384763 DOI: 10.1016/j.jhin.2021.06.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 06/06/2021] [Accepted: 06/07/2021] [Indexed: 11/04/2022]
Abstract
Background There is growing evidence that super-spreading events (SSEs) and multiple-spreading events (MSEs) are a characteristic feature of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. However, data regarding the possibility of SSEs or MSEs in healthcare settings are limited. Methods This study was performed at a tertiary-care hospital in Korea. We analysed the nosocomial COVID-19 cases that occurred in healthcare workers and inpatients and their caregivers between January and 20th December 2020. Cases with two to four secondary cases were defined as MSEs and those with five or more secondary cases as SSEs. Findings We identified 21 nosocomial events (single-case events, N = 12 (57%); MSE + SSE, N = 9 (43%)) involving 65 individuals with COVID-19. Of these 65 individuals, 21 (32%) were infectors. The infectors tended to have a longer duration between symptom onset and diagnostic confirmation than did the non-infectors (median two days vs zero days, P=0.08). Importantly, 12 (18%) individuals were responsible for MSEs and one (2%) for an SSE, which collectively generated 35 (54%) secondary cases. Conclusion In a hospital with thorough infection-control measures, approximately 70% of the nosocomial cases of COVID-19 did not generate secondary cases, and one-fifth of the infectors were responsible for SSEs and MSEs, which accounted for approximately half of the total cases. Early case identification, isolation, and extensive contact tracing are important for the prevention of transmission and SSEs.
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Affiliation(s)
- J Jung
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea; Office for Infection Control, Asan Medical Center, Seoul, Republic of Korea
| | - S Y Lim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - J Lee
- Department of Microbiology, Institute for Viral Diseases, Biosafety Center, College of Medicine, Korea University, Seoul, Republic of Korea
| | - S Bae
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Y-J Lim
- Office for Infection Control, Asan Medical Center, Seoul, Republic of Korea
| | - M J Hong
- Office for Infection Control, Asan Medical Center, Seoul, Republic of Korea
| | - S H Kwak
- Office for Infection Control, Asan Medical Center, Seoul, Republic of Korea
| | - E O Kim
- Office for Infection Control, Asan Medical Center, Seoul, Republic of Korea
| | - H Sung
- Department of Laboratory Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - M-N Kim
- Department of Laboratory Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - J-Y Bae
- Department of Microbiology, Institute for Viral Diseases, Biosafety Center, College of Medicine, Korea University, Seoul, Republic of Korea
| | - M-S Park
- Department of Microbiology, Institute for Viral Diseases, Biosafety Center, College of Medicine, Korea University, Seoul, Republic of Korea.
| | - S-H Kim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea; Office for Infection Control, Asan Medical Center, Seoul, Republic of Korea.
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Choi JW, Lee JY, Hyun DW, Lee JY, Kim PS, Han JE, Jeong YS, Lee SY, Sung H, Tak EJ, Kim HS, Bae JW. Chitinibacter bivalviorum sp. nov., isolated from the gut of the freshwater mussel Anodonta arcaeformis. Int J Syst Evol Microbiol 2021; 71. [PMID: 34296988 DOI: 10.1099/ijsem.0.004909] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
A novel Gram-stain-negative, aerobic, rod-shaped bacterium with a single polar flagellum, designated strain 2T18T, was isolated from the gut of the freshwater mussel Anodonta arcaeformis collected in the Republic of Korea. Phylogenetic analyses based on 16S rRNA gene sequences showed that the strain belonged to the genus Chitinibacter. Strain 2T18T formed a monophyletic clade with Chitinibacter fontanus KCTC 42982T, C. tainanensis KACC 11706T and C. alvei KCTC 23839T, with sequence similarities of 98.5, 98.4 and 95.9 %, respectively. Strain 2T18T exhibited optimal growth at 30 °C, at pH 8 and with 0.5 % (w/v) NaCl. The major isoprenoid quinone was ubiquinone-8 (Q-8). The predominant fatty acids were summed feature 3 (C16 : 1 ω6c and/or C16 : 1 ω7c) and C16 : 0. The polar lipids comprised phosphatidylethanolamine, phosphatidylglycerol, diphosphatidylglycerol, one unidentified lipid, three unidentified phospholipids and two unidentified aminophospholipids. The G+C content of the genomic DNA was 50.6 mol%. The average nucleotide identity and digital DNA-DNA hybridization values between strains 2T18T and C. fontanus KCTC 42982T were below the thresholds used for the delineation of a novel species. Based on the phylogenetic, phenotypic, chemotaxonomic and genotypic characteristics, strain 2T18T represents a novel species of the genus Chitinibacter, for which the name Chitinibacter bivalviorum sp. nov. is proposed. The type strain is 2T18T (=KCTC 72821T=CCUG 74764T).
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Affiliation(s)
- Jee-Won Choi
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, Republic of Korea
| | - Jae-Yun Lee
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, Republic of Korea
| | - Dong-Wook Hyun
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, Republic of Korea
| | - June-Young Lee
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, Republic of Korea
| | - Pil Soo Kim
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, Republic of Korea
| | - Jeong Eun Han
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, Republic of Korea
| | - Yun-Seok Jeong
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, Republic of Korea
| | - So-Yeon Lee
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, Republic of Korea
| | - Hojun Sung
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, Republic of Korea
| | - Euon Jung Tak
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, Republic of Korea
| | - Hyun Sik Kim
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, Republic of Korea
| | - Jin-Woo Bae
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, Republic of Korea
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Hyun DW, Lee JY, Kim MS, Shin NR, Whon TW, Kim KH, Kim PS, Tak EJ, Jung MJ, Lee JY, Kim HS, Kang W, Sung H, Jeon CO, Bae JW. Pathogenomics of Streptococcus ilei sp. nov., a newly identified pathogen ubiquitous in human microbiome. J Microbiol 2021; 59:792-806. [PMID: 34302622 DOI: 10.1007/s12275-021-1165-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 06/08/2021] [Accepted: 06/14/2021] [Indexed: 01/09/2023]
Abstract
Viridans group streptococci are a serious health concern because most of these bacteria cause life-threatening infections, especially in immunocompromised and hospitalized individuals. We focused on two alpha-hemolytic Streptococcus strains (I-G2 and I-P16) newly isolated from an ileostomy effluent of a colorectal cancer patient. We examined their pathogenic potential by investigating their prevalence in human and assessing their pathogenicity in a mouse model. We also predicted their virulence factors and pathogenic features by using comparative genomic analysis and in vitro tests. Using polyphasic and systematic approaches, we identified the isolates as belonging to a novel Streptococcus species and designated it as Streptococcus ilei. Metagenomic survey based on taxonomic assignment of datasets from the Human Microbiome Project revealed that S. ilei is present in most human population and at various body sites but is especially abundant in the oral cavity. Intraperitoneal injection of S. ilei was lethal to otherwise healthy C57BL/6J mice. Pathogenomics and in vitro assays revealed that S. ilei possesses a unique set of virulence factors. In agreement with the in vivo and in vitro data, which indicated that S. ilei strain I-G2 is more pathogenic than strain I-P16, only the former displayed the streptococcal group A antigen. We here newly identified S. ilei sp. nov., and described its prevalence in human, virulence factors, and pathogenicity. This will help to prevent S. ilei strain misidentification in the future, and improve the understanding and management of streptococcal infections.
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Affiliation(s)
- Dong-Wook Hyun
- Department of Biology, Department of Biomedical and Pharmaceutical Sciences, and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Jae-Yun Lee
- Department of Biology, Department of Biomedical and Pharmaceutical Sciences, and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Min-Soo Kim
- Department of Biology, Department of Biomedical and Pharmaceutical Sciences, and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Na-Ri Shin
- Department of Biology, Department of Biomedical and Pharmaceutical Sciences, and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Tae Woong Whon
- Department of Biology, Department of Biomedical and Pharmaceutical Sciences, and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Kyung Hyun Kim
- Department of Life Science, Chung-Ang University, Seoul, 06974, Republic of Korea
| | - Pil Soo Kim
- Department of Biology, Department of Biomedical and Pharmaceutical Sciences, and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Euon Jung Tak
- Department of Biology, Department of Biomedical and Pharmaceutical Sciences, and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Mi-Ja Jung
- Department of Biology, Department of Biomedical and Pharmaceutical Sciences, and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - June Young Lee
- Department of Biology, Department of Biomedical and Pharmaceutical Sciences, and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Hyun Sik Kim
- Department of Biology, Department of Biomedical and Pharmaceutical Sciences, and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Woorim Kang
- Department of Biology, Department of Biomedical and Pharmaceutical Sciences, and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Hojun Sung
- Department of Biology, Department of Biomedical and Pharmaceutical Sciences, and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Che Ok Jeon
- Department of Life Science, Chung-Ang University, Seoul, 06974, Republic of Korea
| | - Jin-Woo Bae
- Department of Biology, Department of Biomedical and Pharmaceutical Sciences, and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea.
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10
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Hyun DW, Jeong YS, Lee JY, Sung H, Lee SY, Choi JW, Kim HS, Kim PS, Bae JW. Description of Nocardioides piscis sp. nov., Sphingomonas piscis sp. nov. and Sphingomonas sinipercae sp. nov., isolated from the intestine of fish species Odontobutis interrupta (Korean spotted sleeper) and Siniperca scherzeri (leopard mandarin fish). J Microbiol 2021; 59:552-562. [PMID: 33877575 DOI: 10.1007/s12275-021-1036-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 03/02/2021] [Accepted: 03/04/2021] [Indexed: 12/17/2022]
Abstract
A polyphasic taxonomic approach was used to characterize three novel bacterial strains, designated as HDW12AT, HDW-15BT, and HDW15CT, isolated from the intestine of fish species Odontobutis interrupta or Siniperca scherzeri. All isolates were obligate aerobic, non-motile bacteria, and grew optimally at 30°C. Phylogenetic analysis based on 16S rRNA sequences revealed that strain HDW12AT was a member of the genus Nocardioides, and closely related to Nocardioides allogilvus CFH 30205T (98.9% sequence identities). Furthermore, strains HDW15BT and HDW15CT were members of the genus Sphingomonas, and closely related to Sphingomonas lutea JS5T and Sphingomonas sediminicola Dae 20T (97.1% and 97.9% sequence identities), respectively. Strain HDW12AT contained MK-8 (H4), and strains HDW15BT and HDW15CT contained Q-10 as the respiratory quinone. Major polar lipid components of strain HDW12AT were diphosphatidylglycerol, phosphatidylglycerol, and phosphatidylinositol, and those of strains HDW15BT and HDW15CT were sphingoglycolipid, diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, and phosphatidylcholine. The G + C content of strains HDW12AT, HDW15BT, and HDW15CT were 69.7, 63.3, and 65.5%, respectively. The results of phylogenetic, phenotypic, chemotaxonomic, and genotypic analyses suggest that strain HDW12AT represents a novel species within the genus Nocardioides, and strains HDW15BT and HDW15CT represent two novel species within the genus Sphingomonas. We propose the names Nocardioides piscis for strain HDW12AT (= KACC 21336T = KCTC 49321T = JCM 33670T), Sphingomonas piscis for strain HDW15BT (= KACC 21341T = KCTC 72588T = JCM 33738T), and Sphingomonas sinipercae for strain HDW15CT (= KACC 21342T = KCTC 72589T = JCM 33739T).
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Affiliation(s)
- Dong-Wook Hyun
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Yun-Seok Jeong
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Jae-Yun Lee
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Hojun Sung
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - So-Yeon Lee
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Jee-Won Choi
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Hyun Sik Kim
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Pil Soo Kim
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Jin-Woo Bae
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea.
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Hyun DW, Lee JY, Sung H, Kim PS, Jeong YS, Lee JY, Yun JH, Choi JW, Han JE, Lee SY, Tak EJ, Kim HS, Bae JW. Brevilactibacter coleopterorum sp. nov., isolated from the intestine of the dark diving beetle Hydrophilus acuminatus, and Weissella coleopterorum sp. nov., isolated from the intestine of the diving beetle Cybister lewisianus. Int J Syst Evol Microbiol 2021; 71. [PMID: 33886445 DOI: 10.1099/ijsem.0.004779] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
A polyphasic taxonomic approach was used to characterize two novel bacterial strains, designated as HDW11T and HDW19T, isolated from intestine samples of the dark diving beetle Hydrophilus acuminatus and the diving beetle Cybister lewisianus, respectively. Both isolates were Gram-stain-positive, facultatively anaerobic and non-motile. Strain HDW11T grew optimally at 30 °C, pH 8 and in the presence of 1% (w/v) NaCl. Strain HDW19T grew optimally at 25 °C, pH 7 and in the presence of 0.3% (w/v) NaCl. Phylogenetic analysis based on 16S rRNA gene sequences and genome sequences revealed that strain HDW11T is a member of the genus Brevilactibacter and is closely related to Brevilactibacter flavus VG341T [with 97.9% 16S rRNA sequence identity and 79.1% average nucleotide identity (ANI)], and that strain HDW19T belongs to the genus Weissella and is closely related to W. koreensis KCTC 3621T (with 98.9% 16S rRNA sequence identity and 79.5% ANI). The major cellular fatty acids of strains HDW11T and HDW19T were C18:1 ω9c and anteiso-C15:0, respectively. The sole respiratory quinone of strain HDW11T was MK-9 (H4). The major polar lipid components of strain HDW11T were diphosphatidylglycerol and phosphatidylglycerol, and the major polar lipid component of strain HDW19T was diphosphatidylglycerol. The genomic DNA G+C content of strains HDW11T and HDW19T were 72.1 and 37.2 mol%, respectively. The results of phylogenetic, phenotypic, chemotaxonomic and genotypic analyses suggest that strain HDW11T represents a novel species within the genus Brevilactibacter, and that strain HDW19T represents a novel species within the genus Weissella. We propose the name Brevilactibacter coleopterorum sp. nov. for strain HDW11T (=KACC 21335T=KCTC 49320T=JCM 33680T) and the name Weissella coleopterorum for strain HDW19T (=KACC 21347T=KCTC 43114T=JCM 33684T).
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Affiliation(s)
- Dong-Wook Hyun
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - June-Young Lee
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Hojun Sung
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Pil Soo Kim
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Yun-Seok Jeong
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jae-Yun Lee
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Ji-Hyun Yun
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jee-Won Choi
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jeong Eun Han
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - So-Yeon Lee
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Euon Jung Tak
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Hyun Sik Kim
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jin-Woo Bae
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
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12
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Whon TW, Kim HS, Shin NR, Sung H, Kim MS, Kim JY, Kang W, Kim PS, Hyun DW, Seong HJ, Sul WJ, Roh SW, Bae JW. Calf Diarrhea Caused by Prolonged Expansion of Autochthonous Gut Enterobacteriaceae and Their Lytic Bacteriophages. mSystems 2021; 6:e00816-20. [PMID: 33653940 PMCID: PMC8546982 DOI: 10.1128/msystems.00816-20] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Accepted: 02/03/2021] [Indexed: 01/04/2023] Open
Abstract
Neonatal calf diarrhea is a common disease leading to a major economic loss for cattle producers worldwide. Several infectious and noninfectious factors are implicated in calf diarrhea, but disease control remains problematic because of the multifactorial etiology of the disease. Here, we conducted diagnostic multiplex PCR assay and meta-omics analysis (16S rRNA gene-based metataxonomics and untargeted transcriptional profiling) of rectal content of normal and diarrheic beef calves (n = 111). In the diarrheic calf gut, we detected both microbial compositional dysbiosis (i.e., increased abundances of the family Enterobacteriaceae members and their lytic bacteriophages) and functional dysbiosis (i.e., elevated levels of aerobic respiration and virulence potential). The calf diarrheic transcriptome mirrored the gene expression of the bovine host and was enriched in cellular pathways of sulfur metabolism, innate immunity, and gut motility. We then isolated 12 nontoxigenic Enterobacteriaceae strains from the gut of diarrheic calves. Feeding a strain mixture to preweaning mice resulted in a significantly higher level of fecal moisture content, with decreased body weight gain and shortened colon length. The presented findings suggest that gut inflammation followed by a prolonged expansion of nontoxigenic autochthonous Enterobacteriaceae contributes to the onset of diarrhea in preweaning animals.IMPORTANCE Calf diarrhea is the leading cause of death of neonatal calves worldwide. Several infectious and noninfectious factors are implicated in calf diarrhea, but disease control remains problematic because of the multifactorial etiology of the disease. The major finding of the current study centers around the observation of microbial compositional and functional dysbiosis in rectal samples from diarrheic calves. These results highlight the notion that gut inflammation followed by a prolonged expansion of autochthonous Enterobacteriaceae contributes to the onset of calf diarrhea. Moreover, this condition possibly potentiates the risk of invasion of notorious enteric pathogens, including Salmonella spp., and the emergence of inflammation-resistant (or antibiotic-resistant) microbiota via active horizontal gene transfer mediated by lytic bacteriophages.
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Affiliation(s)
- Tae Woong Whon
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul, Republic of Korea
- Microbiology and Functionality Research Group, World Institute of Kimchi, Gwangju, Republic of Korea
| | - Hyun Sik Kim
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul, Republic of Korea
| | - Na-Ri Shin
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul, Republic of Korea
- Biological Resource Center, Korea Research Institute of Bioscience and Biotechnology, Jeongeup-si, Jeollabuk-do, Republic of Korea
| | - Hojun Sung
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul, Republic of Korea
| | - Min-Soo Kim
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul, Republic of Korea
- Department of Microbiology and Molecular Biology, Chungnam National University, Daejeon, Republic of Korea
| | - Joon Yong Kim
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul, Republic of Korea
- Microbiology and Functionality Research Group, World Institute of Kimchi, Gwangju, Republic of Korea
| | - Woorim Kang
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul, Republic of Korea
| | - Pil Soo Kim
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul, Republic of Korea
| | - Dong-Wook Hyun
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul, Republic of Korea
| | - Hoon Je Seong
- Department of Systems Biotechnology, Chung-Ang University, Anseong-si, Gyeonggi-do, Republic of Korea
| | - Woo Jun Sul
- Department of Systems Biotechnology, Chung-Ang University, Anseong-si, Gyeonggi-do, Republic of Korea
| | - Seong Woon Roh
- Microbiology and Functionality Research Group, World Institute of Kimchi, Gwangju, Republic of Korea
| | - Jin-Woo Bae
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul, Republic of Korea
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13
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Jeong YS, Kang W, Lee JY, Sung H, Kim HS, Han JE, Tak EJ, Lee SY, Lee JY, Kim PS, Hyun DW, Jung MJ, Bae JW. Pseudorhodobacter turbinis sp. nov., isolated from the gut of the Korean turban shell, Turbo cornutus. Int J Syst Evol Microbiol 2021; 71. [PMID: 33616519 DOI: 10.1099/ijsem.0.004711] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
A novel Gram-stain-negative, coccus-shaped, aerobic and motile bacterial strain, designated S12M18T, was isolated from the gut of the Korean turban shell, Turbo cornutus. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain S12M18T belonged to the genus Pseudorhodobacter and had the highest 16S rRNA gene sequence similarity twith Pseudorhodobacter aquimaris HDW-19T (98.63 %). The phylogenomic tree congruently verified that strain S12M18T occupies a taxonomic position within the genus Pseudorhodobacter. The OrthoANIu value between strain S12M18T and P. aquimaris HDW-19T was 87.22 %. The major cellular fatty acid of strain S12M18T was summed feature 8 (C18 : 1 ω7c or C18 : 1 ω6c). The major components of the polar lipids were phosphatidylcholine, phosphatidylglycerol and phosphatidylethanolamine. The predominant isoprenoid quinone was Q-10. The DNA G+C content was 57.8 mol%. The polyphasic analyses indicated that strain S12M18T represents a novel species of the genus Pseudorhodobacter, for which the name Pseudorhodobacter turbinis sp. nov. is proposed. The type strain is S12M18T (=KCTC 62742T=JCM 33168T).
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Affiliation(s)
- Yun-Seok Jeong
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Woorim Kang
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - June-Young Lee
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Hojun Sung
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Hyun Sik Kim
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jeong-Eun Han
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Euon Jung Tak
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - So-Yeon Lee
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jae-Yun Lee
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Pil Soo Kim
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Dong-Wook Hyun
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Mi-Ja Jung
- Microbiology and Functionality Research Group, World Institute of Kimchi, Gwangju, Republic of Korea
| | - Jin-Woo Bae
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
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14
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Hyun DW, Sung H, Kim PS, Yun JH, Bae JW. Leucobacter coleopterorum sp. nov., Leucobacter insecticola sp. nov., and Leucobacter viscericola sp. nov., isolated from the intestine of the diving beetles, Cybister brevis and Cybister lewisianus, and emended description of the genus Leucobacter. J Microbiol 2021; 59:360-368. [PMID: 33496938 DOI: 10.1007/s12275-021-0472-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 12/29/2020] [Accepted: 12/30/2020] [Indexed: 11/29/2022]
Abstract
Three novel bacterial strains, HDW9AT, HDW9BT, and HDW9CT, isolated from the intestine of the diving beetles Cybister lewisianus and Cybister brevis, were characterized as three novel species using a polyphasic approach. The isolates were Gram-staining-positive, strictly aerobic, non-motile, and rod-shaped. They grew optimally at 30°C (pH 7) in the presence of 0.5% (wt/vol) NaCl. Phylogenetic analysis based on the 16S rRNA gene sequences revealed that they belong to the genus Leucobacter and are closely related to L. denitrificans M1T8B10T (98.4-98.7% sequence similarity). Average nucleotide identity (ANI) values among the isolates were 76.4-84.1%. ANI values for the isolates and the closest taxonomic species, L. denitrificans KACC 14055T, were 72.3-73.1%. The isolates showed ANI values of < 76.5% with all analyzable Leucobacter strains in the EzBioCloud database. The genomic DNA G + C content of the isolates was 60.3-62.5%. The polar lipid components were phosphatidylglycerol, diphosphatidylglycerol, and other unidentified glycolipids, phospholipids, and lipids. The major cellular fatty acids were anteiso-C15:0, iso-C16:0, and anteiso-C17:0. MK-10 was the major respiratory quinone, and MK-7 and MK-11 were the minor respiratory quinones. The whole-cell sugar components of the isolates were ribose, glucose, galactose, and mannose. The isolates harbored L-2,4-diaminobutyric acid, L-serine, L-lysine, L-aspartic acid, glycine, and D-glutamic acid within the cell wall peptidoglycan. Based on phylogenetic, phenotypic, chemotaxonomic, and genotypic analyses, strains HDW9AT, HDW9BT, and HDW9CT represent three novel species within the genus Leucobacter. We propose the name Leucobacter coleopterorum sp. nov. for strain HDW9AT (= KACC 21331T = KCTC 49317T = JCM 33667T), the name Leucobacter insecticola sp. nov. for strain HDW9BT (= KACC 21332T = KCTC 49318T = JCM 33668T), and the name Leucobacter viscericola sp. nov. for strain HDW9CT (= KACC 21333T = KCTC 49319T = JCM 33669T).
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Affiliation(s)
- Dong-Wook Hyun
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Hojun Sung
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Pil Soo Kim
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Ji-Hyun Yun
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Jin-Woo Bae
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea.
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15
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Whon TW, Kim HS, Shin N, Jung ES, Tak EJ, Sung H, Jung M, Jeong Y, Hyun D, Kim PS, Jang YK, Lee CH, Bae J. Male castration increases adiposity via small intestinal microbial alterations. EMBO Rep 2021; 22:e50663. [PMID: 33225575 PMCID: PMC7788444 DOI: 10.15252/embr.202050663] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 10/20/2020] [Accepted: 10/22/2020] [Indexed: 01/21/2023] Open
Abstract
Castration of young males is widely used in the cattle industry to improve meat quality, but the mechanism linking hypogonadism and host metabolism is not clear. Here, we use metataxonomic and metabolomic approaches to evaluate the intestinal microbiota and host metabolism in male, castrated male (CtM), and female cattle. After pubescence, the CtM cattle harbor distinct ileal microbiota dominated by the family Peptostreptococcaceae and exhibit distinct serum and muscle amino acid profiles (i.e., highly abundant branched-chain amino acids), with increased extra- and intramuscular fat storage. We also evaluate the causative factor(s) that underpin the alteration of the intestinal microbiota and host metabolic phenotype in response to hypogonadism. Castration of male mice phenocopies both the intestinal microbial alterations and obese-prone metabolism observed in cattle. Antibiotic treatment and fecal microbiota transplantation experiments in a mouse model confirm that the intestinal microbial alterations associated with hypogonadism are a key contributor to the obese phenotype in the CtM animals. Collectively, targeting the gut microbiota is a potential therapeutic strategy for the treatment of both hypogonadism and obesity.
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Affiliation(s)
- Tae Woong Whon
- Department of Life and Nanopharmaceutical Sciences and Department of BiologyKyung Hee UniversitySeoulKorea
- Present address:
Microbiology and Functionality Research GroupWorld Institute of KimchiGwangjuKorea
| | - Hyun Sik Kim
- Department of Life and Nanopharmaceutical Sciences and Department of BiologyKyung Hee UniversitySeoulKorea
| | - Na‐Ri Shin
- Department of Life and Nanopharmaceutical Sciences and Department of BiologyKyung Hee UniversitySeoulKorea
- Present address:
Biological Resource CenterKorea Research Institute of Bioscience and BiotechnologyJeongeup‐si, Jeollabuk‐doKorea
| | - Eun Sung Jung
- Department of Bioscience and BiotechnologyKonkuk UniversitySeoulKorea
| | - Euon Jung Tak
- Department of Life and Nanopharmaceutical Sciences and Department of BiologyKyung Hee UniversitySeoulKorea
| | - Hojun Sung
- Department of Life and Nanopharmaceutical Sciences and Department of BiologyKyung Hee UniversitySeoulKorea
| | - Mi‐Ja Jung
- Department of Life and Nanopharmaceutical Sciences and Department of BiologyKyung Hee UniversitySeoulKorea
| | - Yun‐Seok Jeong
- Department of Life and Nanopharmaceutical Sciences and Department of BiologyKyung Hee UniversitySeoulKorea
| | - Dong‐Wook Hyun
- Department of Life and Nanopharmaceutical Sciences and Department of BiologyKyung Hee UniversitySeoulKorea
| | - Pil Soo Kim
- Department of Life and Nanopharmaceutical Sciences and Department of BiologyKyung Hee UniversitySeoulKorea
| | - Yu Kyung Jang
- Department of Bioscience and BiotechnologyKonkuk UniversitySeoulKorea
| | - Choong Hwan Lee
- Department of Bioscience and BiotechnologyKonkuk UniversitySeoulKorea
| | - Jin‐Woo Bae
- Department of Life and Nanopharmaceutical Sciences and Department of BiologyKyung Hee UniversitySeoulKorea
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16
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Hyun DW, Sung H, Kim PS, Lee JY, Jeong YS, Yun JH, Choi JW, Han JE, Lee SY, Tak EJ, Lee JY, Kim HS, Bae JW. Tessaracoccus coleopterorum sp. nov., isolated from the intestine of the dark diving beetle, Hydrophilus acuminatus. Int J Syst Evol Microbiol 2020; 71. [PMID: 33289624 DOI: 10.1099/ijsem.0.004588] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
A polyphasic taxonomic approach was used to characterize a novel bacterium, designated as strain HDW20T, isolated from the intestine of the dark diving beetle Hydrophilus acuminatus. The isolate was Gram-stain-positive, facultatively anaerobic, non-motile, coccus-shaped, and formed pale orange colonies. Phylogenetic analysis based on 16S rRNA gene sequences and genome sequences showed that the isolate belonged to the genus Tessaracoccus in the phylum Actinobacteria and was closely related to T. flavescens SST-39T, T. defluvii JCM 17540T, and T. aquimaris NSG39T, with the highest 16S rRNA gene sequence similarity of 98.5 % and a highest average nucleotide identity (ANI) value of 80.6 %. The major cellular fatty acids were C18 : 1 ω9c and anteiso-C15 : 0. The main respiratory quinone was MK-9 (H4). The major polar lipid components were phosphatidylglycerol and diphosphatidylglycerol. The genomic DNA G+C content was 69.0 %. The isolate contains ʟʟ-diaminopimelic acid, ʟ-alanine, and ʟ-lysine as amino acid components, and ribose, glucose, and galactose as sugar components of the cell wall peptidoglycan. The results of phylogenetic, phenotypic, chemotaxonomic, and genotypic analyses suggested that strain HDW20T represents a novel species within the genus Tessaracoccus. We propose the name Tessaracoccus coleopterorum sp. nov. The type strain is HDW20T (=KACC 21348T=KCTC 49324T=JCM 33674T).
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Affiliation(s)
- Dong-Wook Hyun
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Hojun Sung
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Pil Soo Kim
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jae-Yun Lee
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Yun-Seok Jeong
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Ji-Hyun Yun
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jee-Won Choi
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jeong Eun Han
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - So-Yeon Lee
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Euon Jung Tak
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - June-Young Lee
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Hyun Sik Kim
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jin-Woo Bae
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
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17
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Lee JY, Kang W, Kim PS, Lee SY, Shin NR, Sung H, Lee JY, Yun JH, Jeong YS, Han JE, Jung MJ, Hyun DW, Kim HS, Tak EJ, Bae JW. Flaviflexus ciconiae sp. nov., isolated from the faeces of the oriental stork, Ciconia boyciana. Int J Syst Evol Microbiol 2020; 70:5439-5444. [PMID: 32886601 DOI: 10.1099/ijsem.0.004435] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
A novel Gram-stain-positive, non-motile, non-spore-forming, coccobacillus-shaped, strictly aerobic bacterium, designated strain H23T48T, was isolated from the faecal sample of an oriental stork collected from the Seoul Grand Park Zoo in Seoul, Republic of Korea. Optimal growth of strain H23T48T was observed at 30-37 °C, pH 8 and with 3 % (w/v) NaCl. 16S rRNA gene sequence-based phylogenetic analysis revealed that strain H23T48T was closely related to the genus Flaviflexus, with 97.0 and 96.7 % sequence similarities to Flaviflexus salsibiostraticola EBR4-1-2T and Flaviflexus huanghaiensis H5T, respectively. Strain H23T48T possessed MK-9(H4) as the major menaquinone and C16 : 0 (42.4 %), C18 : 1 ω9c (31.3 %) and C14 : 0 (17.7 %) as the major cellular fatty acids. The polar lipids included phosphatidylglycerol, two unidentified lipids, six unidentified phospholipids and two unidentified glycophospholipids. The amino acid composition of the cell-wall peptidoglycan was l-alanine, l-lysine, d-glutamic acid, l-aspartic acid and glycine. The genomic G+C content of strain H23T48T is 59.5 mol% and the average nucleotide identity value between H23T48T and F. salsibiostraticola KCT C33148T (=EBR4-1-2T) is 75.5 %. Based on the obtained data, strain H23T48T represents a novel species of the genus Flaviflexus, for which the name Flaviflexus ciconiae sp. nov. is proposed. The type strain is H23T48T (=KCTC 49253T=JCM 33282T).
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Affiliation(s)
- Jae-Yun Lee
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Woorim Kang
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Pil Soo Kim
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - So-Yeon Lee
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Na-Ri Shin
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Hojun Sung
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - June-Young Lee
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Ji-Hyun Yun
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Yun-Seok Jeong
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Jeong Eun Han
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Mi-Ja Jung
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Dong-Wook Hyun
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Hyun Sik Kim
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Euon Jung Tak
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Jin-Woo Bae
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
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18
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Lee CG, Kwon J, Sung H, Oh I, Kim O, Kang J, Park JW. The effect of physically or non-physically forced sexual assault on trajectories of sport participation from adolescence through young adulthood. ACTA ACUST UNITED AC 2020; 78:54. [PMID: 32537142 PMCID: PMC7288495 DOI: 10.1186/s13690-020-00435-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 05/28/2020] [Indexed: 12/02/2022]
Abstract
Background Sexual assault is one of potential factors that may greatly affect an individual’s sport participation. The purpose of this study is to investigate the effect of experiencing physically or non-physically forced sexual activity on trajectories of sport participation from adolescence to young adulthood. Methods This study used the National Longitudinal Study of Adolescent Health (Add Health) data. Group-based trajectory modeling was utilized to examine the effect of experiencing sexual assault on trajectories of sport participation from adolescence to young adulthood. Results A three-group trajectory model (high-stable group, high-decreasing group, and low-stable group) best fit sport participation among male participants and a two-group trajectory model (high-decreasing group and low-stable group) best fit sport participation among female participants. Both physically and non-physically forced sexual activity did not have significant effect on trajectories of sport participation among male participants. On the other hand, non-physically forced sexual assault significantly affected sport participation trajectory among female participants. Conclusions Special care is required in developing sport promotion program for women victims of non-physically forced sexual activity. The results of this study also suggest that group-based trajectory modeling is a useful technique to examine distinct trajectories of sport participation from adolescence through young adulthood.
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Affiliation(s)
- Chung Gun Lee
- Department of Physical Education, College of Education, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826 South Korea
| | - Junhye Kwon
- Department of Physical Education, College of Education, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826 South Korea
| | - Hojun Sung
- Department of Physical Education, College of Education, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826 South Korea
| | - Inae Oh
- Department of Physical Education, College of Education, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826 South Korea
| | - Ohsup Kim
- Department of Physical Education, College of Education, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826 South Korea
| | - Jeehyun Kang
- Department of Physical Education, College of Education, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826 South Korea
| | - Ji-Won Park
- Department of Taekwondo, College of Sports Science, Woosuk University, 443 Samnye-ro, Samnye-eup, Wanju-gun, Jeollabuk-do 55338 South Korea
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19
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Lee SY, Kang W, Kim PS, Kim HS, Sung H, Shin NR, Yun JH, Lee JY, Lee JY, Jung MJ, Jeong YS, Tak EJ, Han JE, Hyun DW, Kang MS, Lee KE, Lee BH, Bae JW. Jeotgalibaca ciconiae sp. nov., isolated from the faeces of an Oriental stork. Int J Syst Evol Microbiol 2020; 70:3247-3254. [PMID: 32375988 DOI: 10.1099/ijsem.0.004163] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
A novel, Gram-stain-positive, non-spore-forming, facultatively anaerobic bacterium, designated strain H21T32T, was isolated from the faeces of an Oriental stork, Ciconia boyciana. Cells formed cocci grouped in pairs, tetrads or conglomerates, and colonies on solid medium were pale yellow. Strain H21T32T belonged to the genus Jeotgalibaca, family Carnobacteriaceae, order Lactobacillales and class Bacilli. The 16S rRNA gene sequences of the strain showed 97.06-97.34, 96.17-96.31 and 95.93-96.07 % similarity to the type strains of Jeotgalibaca arthritidis, J. porci and J. dankookensis, respectively. The strain grew at 10-37 °C (optimum temperature: 30 °C), with 0-7 % (w/v) NaCl (optimum salinity: 0.5 %) and at pH 7-9 (optimum pH: 8). The main cellular fatty acids were C16 : 1 ω9c, C18 : 1 ω9c and C16 : 0. The major polar lipids were diphosphatidylglycerol and phosphatidylglycerol. Respiratory quinones were not detected. Sugar components of the peptidoglycan were rhamnose, ribose and glucose. Amino acid components of the cell wall were l-alanine, d-glucose, l-lysine, glycine and aspartic acid. The DNA G+C content of the strain was 37.1 mol%. Average nucleotide identity between strain H21T32T and J. arthritidis CECT 9157T was 77.02 %, confirming that strain H21T32T represents a novel species of the genus Jeotgalibaca, for which the name Jeotgalibaca ciconiae sp. nov. is proposed. The type strain is H21T32T (=KCTC 33991T=JCM 33222T).
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Affiliation(s)
- So-Yeon Lee
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Woorim Kang
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Pil Soo Kim
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Hyun Sik Kim
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Hojun Sung
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Na-Ri Shin
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Ji-Hyun Yun
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jae-Yun Lee
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - June-Young Lee
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Mi-Ja Jung
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Yun-Seok Jeong
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Euon Jung Tak
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jeong Eun Han
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Dong-Wook Hyun
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Myung-Suk Kang
- Biological Resources Utilization Department, National Institute of Biological Resources, Incheon, Republic of Korea
| | - Ki-Eun Lee
- Microorganism Resources Division, National Institute of Biological Resources, Incheon, Republic of Korea
| | - Byoung-Hee Lee
- Microorganism Resources Division, National Institute of Biological Resources, Incheon, Republic of Korea
| | - Jin-Woo Bae
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
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20
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Jung J, Choi HS, Lee JY, Ryu S, Kim SK, Hong M, Kwak S, Kim H, Lee MS, Sung H, Kim MN, Kim SH. Outbreak of carbapenemase-producing Enterobacteriaceae associated with a contaminated water dispenser and sink drains in the cardiology units of a Korean hospital. J Hosp Infect 2020; 104:476-483. [DOI: 10.1016/j.jhin.2019.11.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 11/12/2019] [Accepted: 11/21/2019] [Indexed: 12/19/2022]
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21
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Han JE, Kang W, Lee JY, Sung H, Hyun DW, Kim HS, Kim PS, Tak EJ, Jeong YS, Lee JY, Lee SY, Yun JH, Jung MJ, Shin NR, Whon TW, Kang MS, Lee KE, Lee BH, Bae JW. Tabrizicola piscis sp. nov., isolated from the intestinal tract of a Korean indigenous freshwater fish, Acheilognathus koreensis. Int J Syst Evol Microbiol 2020; 70:2305-2311. [DOI: 10.1099/ijsem.0.004034] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
A novel Gram-negative, obligately aerobic, rod-shaped and non-motile bacterium, designated strain K13M18T, was isolated from the intestinal tract of a Korean indigenous fish, oily bitterling (Acheilognathus koreensis). Strain K13M18T formed creamy-pink colonies on a marine agar plate. Results of phylogenetic analysis based on the 16S rRNA gene sequence similarity indicated that strain K13M18T was most closely related to
Tabrizicola sediminis
DRYC-M-16T, sharing 97.62 % similarity with that strain. Strain K13M18T belonged to the genus
Tabrizicola
, which formed a cluster with
Tabrizicola aquatica
RCRI19T,
Tabrizicola fusiformis
SY72T,
Tabrizicola sediminis
DRYC-M-16T and
Tabrizicola alkalilacus
DJCT in a phylogenetic tree based on the 16S rRNA gene sequences. Strain K13M18T grown optimally in 0 % (w/v) NaCl, at pH 7 and 30 °C, in a marine broth medium. The predominant cellular fatty acids were C18 : 1
ω7c and C18 : 1
ω6c. The major respiratory isoprenoid quinone was ubiquinone Q-10. Polar lipids of strain K13M18T contained phosphatidylcholine, phosphatidylglycerol, phosphatidylinositol, diphosphatidylglycerol, six unidentified aminophospholipids, one unidentified aminolipid and an unidentified lipid. Based on genome sequencing, the DNA G+C content of strain K13M18T was 64.08 mol %, with an average nucleotide identity value, calculated by a comparative genomic analysis of strains K13M18T and
T. sediminis
DRYC-M-16T, of 74.82 %. Based on the phylogenetic, genotypic, and phenotypic information, strain K13M18T is proposed to be a novel species of the genus
Tabrizicola
. The type strain is K13M18T (=KCTC 62659T=JCM 33230T).
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Affiliation(s)
- Jeong Eun Han
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Woorim Kang
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - June-Young Lee
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Hojun Sung
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Dong-Wook Hyun
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Hyun Sik Kim
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Pil Soo Kim
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Euon Jung Tak
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Yun-Seok Jeong
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Jae-Yun Lee
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - So-Yeon Lee
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Ji-Hyun Yun
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Mi-Ja Jung
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Na-Ri Shin
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Tae Woong Whon
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Myung-Suk Kang
- Biological Resources Utilization Department, National Institute of Biological Resources, Incheon, Republic of Korea
| | - Ki-Eun Lee
- Microorganism Resources Division, National Institute of Biological Resources, Incheon, Republic of Korea
| | - Byoung-Hee Lee
- Microorganism Resources Division, National Institute of Biological Resources, Incheon, Republic of Korea
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22
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Jeong YS, Kang W, Sung H, Lee JY, Yun JH, Shin NR, Kim HS, Lee SY, Han JE, Lee JY, Tak EJ, Kim PS, Hyun DW, Jung MJ, Whon TW, Kang MS, Lee KE, Lee BH, Bae JW. Flammeovirga pectinis sp. nov., isolated from the gut of the Korean scallop, Patinopecten yessoensis. Int J Syst Evol Microbiol 2019; 70:499-504. [PMID: 31613737 DOI: 10.1099/ijsem.0.003783] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
A novel Gram-stain-negative, aerobic, rod-shaped, reddish-orange-coloured, gliding bacterial strain, designated L12M1T, was isolated from the gut of the Korean scallop, Patinopecten yessoensis. Phylogenetic analysis based on 16S rRNA gene sequence revealed that strain L12M1T formed a monophyletic clade with the strains in the genus Flammeovirga and showed highest 16S rRNA gene sequence similarity to Flammeovirga kamogawensis YS10T (98.66 %). The major cellular fatty acids of strain L12M1T were iso-C15 : 0 and C20 : 4ω6,9,12,15c. The predominant isoprenoid quinone was MK-7. The major polyamines were spermidine, cadaverine and the minor polyamine was putrescine. The DNA G+C content was 32.1 mol%. The phylogenetic, phenotypic, biochemical, chemotaxonomic and genotypic results indicated that strain L12M1T represents a novel species of the genus Flammeovirga, for which the name Flammeovirga pectinis sp. nov. is proposed. The type strain is L12M1T (=KCTC 62750T=JCM 33169T).
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Affiliation(s)
- Yun-Seok Jeong
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Woorim Kang
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Hojun Sung
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - June-Young Lee
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Ji-Hyun Yun
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Na-Ri Shin
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Hyun Sik Kim
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - So-Yeon Lee
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jeong Eun Han
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jae-Yun Lee
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Euon Jung Tak
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Pil Soo Kim
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Dong-Wook Hyun
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Mi-Ja Jung
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Tae Woong Whon
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Myung-Suk Kang
- Biological Resources Utilization Department, National Institute of Biological Resources, Incheon, Republic of Korea
| | - Ki-Eun Lee
- Microorganism Resources Division, National Institute of Biological Resources, Incheon, Republic of Korea
| | - Byoung-Hee Lee
- Microorganism Resources Division, National Institute of Biological Resources, Incheon, Republic of Korea
| | - Jin-Woo Bae
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
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23
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Lee SY, Kang W, Kim PS, Kim HS, Sung H, Shin NR, Whon TW, Yun JH, Lee JY, Lee JY, Jung MJ, Jeong YS, Tak EJ, Han JE, Hyun DW, Kang MS, Lee KE, Lee BH, Bae JW. Undibacterium piscinae sp. nov., isolated from Korean shiner intestine. Int J Syst Evol Microbiol 2019; 69:3148-3154. [DOI: 10.1099/ijsem.0.003604] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Affiliation(s)
- So-Yeon Lee
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Woorim Kang
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Pil Soo Kim
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Hyun Sik Kim
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Hojun Sung
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Na-Ri Shin
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Tae Woong Whon
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Ji-Hyun Yun
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jae-Yun Lee
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - June-Young Lee
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Mi-Ja Jung
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Yun-Seok Jeong
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Euon Jung Tak
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jeong Eun Han
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Dong-Wook Hyun
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Myung-Suk Kang
- Biological Resources Utilization Department, National Institute of Biological Resources, Incheon, Republic of Korea
| | - Ki-Eun Lee
- Microorganism Resources Division, National Institute of Biological Resources, Incheon, Republic of Korea
| | - Byoung-Hee Lee
- Microorganism Resources Division, National Institute of Biological Resources, Incheon, Republic of Korea
| | - Jin-Woo Bae
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
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Herzog C, Best D, Dolan J, Donnelly L, Patel M, Sung H. Demographic Analysis of the Current Oral and Maxillofacial Surgery Applicant/Resident Cohorts. J Oral Maxillofac Surg 2019. [DOI: 10.1016/j.joms.2019.06.131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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25
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Peeters TLPR, Mills BM, Pennings E, Sung H. Manager migration, learning‐by‐hiring, and cultural distance in international soccer. Global Strategy Journal 2019. [DOI: 10.1002/gsj.1354] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | - Brian M. Mills
- Department of Kinesiology and Health Education University of Texas Austin Texas
| | - Enrico Pennings
- Erasmus School of Economics Tinbergen Institute & ERIM Rotterdam Netherlands
| | - Hojun Sung
- Division of Health and Kinesiology Incheon National University Incheon Republic of Korea
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26
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Yang XR, Abubakar M, Guo C, Koka H, Sung H, Guida J, Deng J, Zhou B, Hu N, Lu N. Abstract P1-09-12: TP53 expression in relation to clinical and etiologic factors in breast cancer subtypes. Cancer Res 2019. [DOI: 10.1158/1538-7445.sabcs18-p1-09-12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
TP53 is a well-known tumor suppressor gene and mutations in TP53 are the most frequent genomic event in most cancers including breast cancer. Recent studies have shown that the frequency, spectrum, timing, and clinical implications of TP53 mutations varied in different molecular subtypes of breast cancer. For example, the frequency of TP53 mutations is the highest in basal-like subtype and lowest in luminal A tumors. However, the evaluation of TP53 protein expression, as a surrogate for TP53 mutations, in large studies in the context of tumor subtypes is limited. In addition, the etiologic relevance of TP53 expression is yet to be investigated. The goal of this study is to evaluate the association of clinical and breast cancer risk factors with TP53 expression, measured using immunohistochemistry (IHC), in breast cancer molecular subtypes. The analysis included 7,226 women with invasive breast cancer who were diagnosed and treated in a tertiary hospital in Beijing, China. Subtypes were defined as Luminal A: ER+ and PR+, HER2–, and low grade (grades 1 or 2); luminal B/HER2–: ER+ and/or PR+, HER2–, and high grade (grade 3); luminal B/HER2+: ER+ and/or PR+, HER2+ (regardless of grade); HER2-enriched: ER–, PR–, and HER2+; Triple-negative (TN): ER–, PR–, and HER2–. As expected, positive TP53 staining showed the lowest frequency in the luminal A (46%) and highest in the TN (61%) and HER2-enriched (63%) subtypes (P-value <0.001). Overall and particularly in luminal A patients, positive TP53 staining was associated with higher frequencies of aggressive tumor features such as higher grade, larger tumor size, higher proliferative index, and EGFR expression. Compared with TP53– patients, TP53+ patients were more likely to have younger ages at onset and increased parity, but these associations were largely driven by the luminal A subtype [OR (95% CI) vs nulliparity = 2.67 (1.59, 4.51); 2.63 (1.52, 4.55); 3.68 (2.01, 6.72) for 1, 2, and ≥3 children, respectively (P-trend = 0.006)]. Luminal A/TP53+ patients were also more likely to have breastfed [OR (95% CI) ever vs never = 1.38 (1.03, 1.85)] than luminal A/TP53– patients. These findings suggest that TP53 IHC staining might be used to further refine the classification of luminal A breast cancer into subgroups with distinct clinical and etiologic relevance.
Citation Format: Yang XR, Abubakar M, Guo C, Koka H, Sung H, Guida J, Deng J, Zhou B, Hu N, Lu N. TP53 expression in relation to clinical and etiologic factors in breast cancer subtypes [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr P1-09-12.
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Affiliation(s)
- XR Yang
- National Cancer Institute, NIH/DHHS, Bethesda, MD; Cancer Hospital, Chinese Academy of Medical Sciences, Beijing, China; American Cancer Society, Atlanta
| | - M Abubakar
- National Cancer Institute, NIH/DHHS, Bethesda, MD; Cancer Hospital, Chinese Academy of Medical Sciences, Beijing, China; American Cancer Society, Atlanta
| | - C Guo
- National Cancer Institute, NIH/DHHS, Bethesda, MD; Cancer Hospital, Chinese Academy of Medical Sciences, Beijing, China; American Cancer Society, Atlanta
| | - H Koka
- National Cancer Institute, NIH/DHHS, Bethesda, MD; Cancer Hospital, Chinese Academy of Medical Sciences, Beijing, China; American Cancer Society, Atlanta
| | - H Sung
- National Cancer Institute, NIH/DHHS, Bethesda, MD; Cancer Hospital, Chinese Academy of Medical Sciences, Beijing, China; American Cancer Society, Atlanta
| | - J Guida
- National Cancer Institute, NIH/DHHS, Bethesda, MD; Cancer Hospital, Chinese Academy of Medical Sciences, Beijing, China; American Cancer Society, Atlanta
| | - J Deng
- National Cancer Institute, NIH/DHHS, Bethesda, MD; Cancer Hospital, Chinese Academy of Medical Sciences, Beijing, China; American Cancer Society, Atlanta
| | - B Zhou
- National Cancer Institute, NIH/DHHS, Bethesda, MD; Cancer Hospital, Chinese Academy of Medical Sciences, Beijing, China; American Cancer Society, Atlanta
| | - N Hu
- National Cancer Institute, NIH/DHHS, Bethesda, MD; Cancer Hospital, Chinese Academy of Medical Sciences, Beijing, China; American Cancer Society, Atlanta
| | - N Lu
- National Cancer Institute, NIH/DHHS, Bethesda, MD; Cancer Hospital, Chinese Academy of Medical Sciences, Beijing, China; American Cancer Society, Atlanta
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Yun JH, Sung H, Kim HS, Tak EJ, Kang W, Lee JY, Hyun DW, Kim PS, Bae JW. Complete genome sequence of the halophile bacterium Kushneria konosiri X49 T, isolated from salt-fermented Konosirus punctatus. Stand Genomic Sci 2018; 13:19. [PMID: 30305867 PMCID: PMC6167781 DOI: 10.1186/s40793-018-0324-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 09/24/2018] [Indexed: 11/16/2022] Open
Abstract
Kushneria konosiri X49T is a member of the Halomonadaceae family within the order Oceanospirillales and can be isolated from salt-fermented larval gizzard shad. The genome of K. konosiri X49T reported here provides a genetic basis for its halophilic character. Diverse genes were involved in salt-in and -out strategies enabling adaptation of X49T to hypersaline environments. Due to resistance to high salt concentrations, genome research of K. konosiri X49T will contribute to the improvement of environmental and biotechnological usage by enhancing understanding of the osmotic equilibrium in the cytoplasm. Its genome consists of 3,584,631 bp, with an average G + C content of 59.1%, and 3261 coding sequences, 12 rRNAs, 66 tRNAs, and 8 miscRNAs.
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Affiliation(s)
- Ji-Hyun Yun
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, South Korea
- Department of Biology, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, South Korea
| | - Hojun Sung
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, South Korea
- Department of Biology, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, South Korea
| | - Hyun Sik Kim
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, South Korea
- Department of Biology, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, South Korea
| | - Euon Jung Tak
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, South Korea
- Department of Biology, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, South Korea
| | - Woorim Kang
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, South Korea
- Department of Biology, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, South Korea
| | - June-Young Lee
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, South Korea
- Department of Biology, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, South Korea
| | - Dong-Wook Hyun
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, South Korea
- Department of Biology, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, South Korea
| | - Pil Soo Kim
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, South Korea
- Department of Biology, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, South Korea
| | - Jin-Woo Bae
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, South Korea
- Department of Biology, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, South Korea
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28
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Tak EJ, Kim PS, Hyun DW, Kim HS, Lee JY, Kang W, Sung H, Shin NR, Kim MS, Whon TW, Bae JW. Phenotypic and Genomic Properties of Brachybacterium vulturis sp. nov. and Brachybacterium avium sp. nov. Front Microbiol 2018; 9:1809. [PMID: 30131788 PMCID: PMC6090031 DOI: 10.3389/fmicb.2018.01809] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Accepted: 07/18/2018] [Indexed: 11/16/2022] Open
Abstract
Two strains, VM2412T and VR2415T, were isolated from the feces of an Andean condor (Vultur gryphus) living in Seoul Grand Park, Gyeonggi-do, South Korea. Cells of both strains were observed to be Gram-stain positive, non-motile, aerobic, catalase positive and oxidase negative. Growth was found to occur at 10-30°C, showing optimum growth at 30°C. The strains could tolerate up to 15% (w/v) NaCl concentration and grow at pH 6-9. The strains shared 99.3% 16S rRNA gene sequence similarity to each other but were identified as two distinct species based on 89.0-89.2% ANIb, 90.3% ANIm, 89.7% OrthoANI and 38.0% dDDH values calculated using whole genome sequences. Among species with validly published names, Brachybacterium ginsengisoli DCY80T shared high 16S rRNA gene sequence similarities with strains VM2412T (98.7%) and VR2415T (98.4%) and close genetic relatedness with strains VM2412T (83.3–83.5% ANIb, 87.0% ANIm, 84.3% OrthoANI and 27.8% dDDH) and VR2415T (82.8–83.2% ANIb, 86.7% ANIm, 83.9% OrthoANI and 27.2% dDDH). The major fatty acid of the two strains was identified as anteiso-C15:0 and the polar lipids consisted of phosphatidylglycerol, diphosphatidylglycerol, presumptively phosphatidylethanolamine and three unidentified glycolipids. Strain VR2415T also produced an unidentified phospholipid. The cell walls of the two strains contained meso-diaminopimelic acid as diagnostic diamino acid and the whole cell sugars were ribose, glucose, and galactose. The strains contained MK-7 as their predominant menaquinone. The genomes of strains VM2412T, VR2415T, and B. ginsengisoli DCY80T were sequenced in this study. The genomic G+C contents of strains VM2412T and VR2415T were determined to be 70.8 and 70.4 mol%, respectively. A genome-based phylogenetic tree constructed using an up-to-date bacterial core gene set (UBCG) showed that the strains formed a clade with members of the genus Brachybacterium, supporting their taxonomic classification into the genus Brachybacterium. Based on phenotypic and genotypic analyses in this study, strains VM2412T and VR2415T are considered to represent two novel species of the genus Brachybacterium and the names Brachybacterium vulturis sp. nov. and Brachybacterium avium sp. nov. are proposed for strains VM2412T (=KCTC 39996T = JCM 32142T) and VR2415T (=KCTC 39997T = JCM 32143T), respectively.
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Affiliation(s)
- Euon J Tak
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, South Korea.,Department of Biology, Kyung Hee University, Seoul, South Korea
| | - Pil S Kim
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, South Korea.,Department of Biology, Kyung Hee University, Seoul, South Korea
| | - Dong-Wook Hyun
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, South Korea.,Department of Biology, Kyung Hee University, Seoul, South Korea
| | - Hyun S Kim
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, South Korea.,Department of Biology, Kyung Hee University, Seoul, South Korea
| | - June-Young Lee
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, South Korea.,Department of Biology, Kyung Hee University, Seoul, South Korea
| | - Woorim Kang
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, South Korea.,Department of Biology, Kyung Hee University, Seoul, South Korea
| | - Hojun Sung
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, South Korea.,Department of Biology, Kyung Hee University, Seoul, South Korea
| | - Na-Ri Shin
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, South Korea.,Department of Biology, Kyung Hee University, Seoul, South Korea
| | - Min-Soo Kim
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, South Korea.,Department of Biology, Kyung Hee University, Seoul, South Korea
| | - Tae W Whon
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, South Korea.,Department of Biology, Kyung Hee University, Seoul, South Korea
| | - Jin-Woo Bae
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, South Korea.,Department of Biology, Kyung Hee University, Seoul, South Korea
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Monetti C, Liang Q, Shutova M, Neely E, Hacibekiroglu S, Yang H, Kim C, Zhang P, Mileikovsky M, Sung H, Nagy A. A solution for cell therapy safety. Cytotherapy 2018. [DOI: 10.1016/j.jcyt.2018.02.276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Sung H, Kim HS, Lee JY, Kang W, Kim PS, Hyun DW, Tak EJ, Jung MJ, Yun JH, Kim MS, Shin NR, Whon TW, Rho JR, Park SD, Shim HE, Bae JW. Tumebacillus avium sp. nov., isolated from the gut of a cinereous vulture, Aegypius monachus. Int J Syst Evol Microbiol 2018; 68:1659-1664. [PMID: 29561257 DOI: 10.1099/ijsem.0.002725] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
A Gram-stain-positive, facultatively aerobic, spore-forming, oxidase-positive, catalase- and DNase-negative, rod-shaped and motile bacterial strain, AR23208T, was isolated from the gut of a cinereous vulture (Aegypius monachus), collected at Seoul Grand Park Zoo (Republic of Korea). Strain AR23208T grew optimally at 25-30 °C, at pH 7 and in the absence of NaCl. Phylogenetic analysis revealed that strain AR23208T shared 98.2 and 97.1 % 16S rRNA gene sequence similarity with Tumebacillus algifaecis THMBR28T and Tumebacilluslipolyticus NIO-S10T, respectively. The predominant fatty acids (>10 %) of strain AR23208T were iso-C15 : 0, summed feature 4 (anteiso-C17 : 1 B and/or iso-C17 : 1 I) and anteiso-C15 : 0 and the primary isoprenoid quinone was menaquinone-7. The polar lipids were phosphatidylethanolamine, phosphatidylmonomethylethanolamine, phosphatidylglycerol, six unidentified phospholipids, an unidentified aminophospholipid and ten unidentified lipids. The sugar components of the cell wall peptidoglycan were ribose and arabinose. The amino acids of the cell wall peptidoglycan were l-alanine, aspartic acid, meso-diaminopimelic acid, l-glutamic acid, glycine and l-lysine. The OrthoANI value based on the complete genome sequence of strain AR23208T and the closest related strain, T. algifaecis THMBR28T, was 80.4 %. The genomic DNA G+C content of strain AR23208T was 56.0 mol%. Based on the data presented in the current study, strain AR23208T is considered to represent a novel species of the genus Tumebacillus, for which the name Tumebacillus avium sp. nov. is proposed. The type strain is AR23208T (=KCTC 33929T=JCM 32188T).
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Affiliation(s)
- Hojun Sung
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Hyun Sik Kim
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 02447, Republic of Korea
| | - June-Young Lee
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Woorim Kang
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Pil Soo Kim
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Dong-Wook Hyun
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Euon Jung Tak
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Mi-Ja Jung
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Ji-Hyun Yun
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Min-Soo Kim
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Na-Ri Shin
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Tae Woong Whon
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jeong Rae Rho
- Seoul Grand Park, 102, Daegongwongwangjang-ro, Gwacheon-si, Gyeonggi-do, Republic of Korea
| | - Sun Duk Park
- Seoul Grand Park, 102, Daegongwongwangjang-ro, Gwacheon-si, Gyeonggi-do, Republic of Korea
| | - Hyung Eun Shim
- Seoul Grand Park, 102, Daegongwongwangjang-ro, Gwacheon-si, Gyeonggi-do, Republic of Korea
| | - Jin-Woo Bae
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 02447, Republic of Korea
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Abstract
In this study, an epoxy-fixed porcine pericardia I patch with or without ionically bound heparin was evaluated in a canine model as an alternative to the glutaraldehyde-fixed biological patch for clinical applications. To evaluate the effectiveness of this epoxy-fixed patch, a composite membrane composed of: an epoxy-fixed porcine patch with ionically bound heparin; a glutaraldehyde-fixed porcine patch with ionically bound heparin; an ePTFE polymeric patch; a polyester polymeric patch; an epoxy-fixed porcine patch without ionically bound heparin; and a glutaraldehyde-fixed porcine patch without ionically bound heparin was made. This membrane was assessed orthopically in a canine model. The early results (1-4 weeks post implant) revealed that the biological patches with ionically bound heparin had the mildest tissue reactions (inflammatory reaction, fibrosis, and adhesion) among all the test samples. However, by 12 weeks postoperatively, all the test samples had mild to severe tissue reactions. The order of tissue reactions with increasing severity was: the biological patches with ionically bound heparin, the biological patches without ionically bound heparin, and the polymeric patches. The results suggest that heparin may be used to reduce adhesion. Additionally, the epoxy-fixed tissue caused a relatively lower degree of inflammatory reaction than the glutaraldehyde-fixed tissue.
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Affiliation(s)
- Y. Chang
- Division of Cardiovascular Surgery, National Central University, Chung-Li, Taiwan
| | - H. Sung
- Department of Chemical Engineering, National Central University, Chung-Li, Taiwan
| | - Y. Chiu
- Department of Pathobiology, Pig Research Institute, Chu-Nan, Taiwan
| | - J. Lu
- Pediatric Cardiology, Veterans General Hospital, Taipiei, Taiwan - Republic of China
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Tak EJ, Kim HS, Lee JY, Kang W, Sung H, Kim PS, Hyun DW, Shin NR, Roh JR, Park SD, Shim HE, Bae JW. Virgibacillus phasianinus sp. nov., a halophilic bacterium isolated from faeces of a Swinhoe's pheasant, Lophura swinhoii. Int J Syst Evol Microbiol 2018; 68:1190-1196. [PMID: 29465338 DOI: 10.1099/ijsem.0.002650] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
A rod-shaped, Gram-stain-positive, motile and aerobic bacterium, designated LM2416T, was isolated from faeces of Lophuras winhoii living in Seoul Grand Park, Gyeonggi-do, Republic of Korea. Phylogenetic analyses based on 16S rRNA gene sequences indicated that strain LM2416T belonged to the genus Virgibacillus, sharing high 16S rRNA gene sequence similarities to Virgibacillus necropolis LMG 19488T (99.0 %), Virgibacillus carmonensis LMG 20964T (98.4 %), Virgibacillus arcticus Hal 1T (98.3 %) and Virgibacillus flavescens S1-20T (97.9 %). The isolate grew at 10-30 °C, pH 6-7 and 0-20 % (w/v) NaCl. Optimal growth was observed at 30 °C, pH 6-7 and 10 % (w/v) NaCl. The major fatty acid was anteiso-C15 : 0. Polar lipids were composed of phosphatidylglycerol, diphosphatidylglycerol, three unknown phospholipids and two unknown aminophospholipids. The main menaquinone was MK-7. Strain LM2416T had alanine, lysine, glutamic acid, glycine and aspartic acid as cell-wall amino acids and ribose as a cell-wall sugar. The whole genome sequences of strain LM2416T and V. necropolis KCTC 3820T were sequenced by PacBio RS II sequencing. The genome sequence-based G+C content of strain LM2416T was 39.5 mol%. The orthologous average nucleotide identity value, showing genetic relatedness between strain LM2416T and V. necropolis KCTC 3820T, was 78.3 %. Based on the phylogenetic, biochemical, chemotaxonomic and genotypic data presented in this study, strain LM2416T is considered to represent a novel species of the genus Virgibacillus, for which the name Virgibacillus phasianinus is proposed. The type strain is LM2416T (=KCTC 33927T=JCM 32144T).
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Affiliation(s)
- Euon Jung Tak
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Hyun Sik Kim
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 02447, Republic of Korea
| | - June-Young Lee
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Woorim Kang
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Hojun Sung
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Pil Soo Kim
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Dong-Wook Hyun
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Na-Ri Shin
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jeong Rae Roh
- Seoul Grand Park, 102, Daegongwongwangjang-ro, Gwacheon-si, Gyeonggi-do, Republic of Korea
| | - Sun Duk Park
- Seoul Grand Park, 102, Daegongwongwangjang-ro, Gwacheon-si, Gyeonggi-do, Republic of Korea
| | - Hyung Eun Shim
- Seoul Grand Park, 102, Daegongwongwangjang-ro, Gwacheon-si, Gyeonggi-do, Republic of Korea
| | - Jin-Woo Bae
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 02447, Republic of Korea
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33
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Shin NR, Kang W, Tak EJ, Hyun DW, Kim PS, Kim HS, Lee JY, Sung H, Whon TW, Bae JW. Blautia hominis sp. nov., isolated from human faeces. Int J Syst Evol Microbiol 2018; 68:1059-1064. [PMID: 29458493 DOI: 10.1099/ijsem.0.002623] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
A strictly anaerobic, Gram-stain-positive, non-motile and coccoid- or oval-shaped bacterium, designated strain KB1T, was isolated from a faecal sample of a patient with diverticulitis in South Korea. Degeneracies in the 16S rRNA gene sequence of strain KB1T were resolved by cloning, which yielded five different sequences with heterogeneity. Phylogenetic analysis based on the 16S rRNA gene sequences showed that strain KB1T formed a monophyletic branch with species in the genus Blautia, with highest sequence similarity to the type strain of Blautia producta (97.7-98.9 %), followed by Blautia coccoides (97.5-98.1 %). Strain KB1T was able to grow at temperatures of between 15 and 42 °C, with optimal growth at 37 °C, and in the presence of 20 % dehydrated bile. Acetic acid, succinic acid, lactic acid and fumaric acid were produced by strain KB1T from Gifu anaerobic medium broth as metabolic fermentation end-products. The major cellular fatty acids of strain KB1T were C14 : 0, C16 : 0 and C16 : 0 dimethyl aldehyde. The DNA G+C content was 46.3 mol%. The average nucleotide identity value between strain KB1T and the type strain of B. producta was 84.1 %. On the basis of polyphasic analysis, strain KB1T represents a novel species in the genus Blautia, for which the name Blautia hominis sp. nov. is proposed. The type strain is KB1T (=KCTC 15618T=JCM 32276T).
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Affiliation(s)
- Na-Ri Shin
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Woorim Kang
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Euon Jung Tak
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Dong-Wook Hyun
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Pil Soo Kim
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Hyun Sik Kim
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - June-Young Lee
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Hojun Sung
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Tae Woong Whon
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jin-Woo Bae
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
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Kim T, Jin CE, Sung H, Koo B, Park J, Kim SM, Kim JY, Chong YP, Lee SO, Choi SH, Kim YS, Woo JH, Lee JH, Lee JH, Lee KH, Shin Y, Kim SH. Molecular epidemiology and environmental contamination during an outbreak of parainfluenza virus 3 in a haematology ward. J Hosp Infect 2017; 97:403-413. [PMID: 28893615 PMCID: PMC7114920 DOI: 10.1016/j.jhin.2017.09.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Accepted: 09/05/2017] [Indexed: 11/25/2022]
Abstract
Background Although fomites or contaminated surfaces have been considered as transmission routes, the role of environmental contamination by human parainfluenza virus type 3 (hPIV-3) in healthcare settings is not established. Aim To describe an hPIV-3 nosocomial outbreak and the results of environmental sampling to elucidate the source of nosocomial transmission and the role of environmental contamination. Methods During an hPIV-3 outbreak between May and June 2016, environmental surfaces in contact with clustered patients were swabbed and respiratory specimens used from infected patients and epidemiologically unlinked controls. The epidemiologic relatedness of hPIV-3 strains was investigated by sequencing of the haemagglutinin–neuraminidase and fusion protein genes. Findings Of 19 hPIV-3-infected patients, eight were haematopoietic stem cell recipients and one was a healthcare worker. In addition, four had upper and 12 had lower respiratory tract infections. Of the 19 patients, six (32%) were community-onset infections (symptom onset within <7 days of hospitalization) and 13 (68%) were hospital-onset infections (≥7 days of hospitalization). Phylogenetic analysis identified two major clusters: five patients, and three patients plus one healthcare worker. Therefore, seven (37%) were classified as nosocomial transmissions. hPIV-3 was detected in 21 (43%) of 49 environmental swabs up to 12 days after negative respiratory polymerase chain reaction conversion. Conclusion At least one-third of a peak season nosocomial hPIV-3 outbreak originated from nosocomial transmission, with multiple importations of hPIV-3 from the community, providing experimental evidence for extensive environmental hPIV-3 contamination. Direct contact with the contaminated surfaces and fomites or indirect transmission from infected healthcare workers could be responsible for nosocomial transmission.
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Affiliation(s)
- T Kim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea; Division of Infectious Diseases, Department of Internal Medicine, Gyeongsang National University Hospital, Republic of Korea
| | - C E Jin
- Department of Convergence Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - H Sung
- Department of Laboratory Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - B Koo
- Department of Convergence Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - J Park
- Department of Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - S-M Kim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - J Y Kim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Y P Chong
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - S-O Lee
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - S-H Choi
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Y S Kim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - J H Woo
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - J-H Lee
- Department of Hematology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - J-H Lee
- Department of Hematology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - K-H Lee
- Department of Hematology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Y Shin
- Department of Convergence Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
| | - S-H Kim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
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Ee C, Thuraisingam S, Pirotta M, French S, Xue C, Teede H, Kristoffersen AE, Sirois F, Stub T, Engler J, Joos S, Güthlin C, Felenda J, Beckmann C, Stintzing F, Evans R, Bronfort G, Keefe D, Taberko A, Hanson L, Haley A, Ma H, Jolton J, Yarosh L, Keefe F, Nam J, Evans R, Ojala L, Kreitzer MJ, Hanson L, Fink C, Kraft K, Flower A, Lewith G, Harman K, Stuart B, Bishop FL, Frawley J, Füleki L, Kiss E, Vancsik T, Krenacs T, Funabashi M, Pohlman KA, Mior S, Thiel H, Hill MD, Cassidy DJ, Westaway M, Yager J, Hurwitz E, Kawchuk GN, O’Beirne M, Vohra S, Gaboury I, Morin C, Gaertner K, Torchetti L, Frei-Erb M, Kundi M, Frass M, Gallo E, Maggini V, Comite M, Sofi F, Baccetti S, Vannacci A, Di Stefano M, Monechi MV, Gori L, Rossi E, Firenzuoli F, Mediati RD, Ballerini G, Gardiner P, Lestoquoy AS, Negash L, Stillman S, Shah P, Liebschutz J, Adelstein P, Farrell-Riley C, Brackup I, Penti B, Saper R, Sampedro IG, Carvajal G, Gleiss A, Gross MM, Brendlin D, Röttger J, Stritter W, Seifert G, Grzanna N, Stange R, Guendling PW, Gu W, Lu Y, Wang J, Zhang C, Hajimonfarednejad M, Hannan N, Hellsing R, Wode K, Nordberg JH, Nordberg JH, Andermo S, Arman M, von Hörsten I, Torrielo PV, Bai H, Vilaró CLA, Cabrera FC, Huber R, Hui H, Ziea E, Tsui D, Hsieh J, Lam C, Chan E, Jensen MP, He Y, Battalio SL, Chan J, Edwards KA, Gertz KJ, Day MA, Sherlin LH, Ehde DM, Kim KH, Jang S, Jang BH, Zhang X, Go HY, Park S, Ko SG, Kraft K, Janik H, Börner A, Lee J, Lee B, Chang GT, Menassa A, Zhang Z, Motoo Y, Müller J, Rabini S, Vinson B, Kelber O, Storr M, Kraft K, Niemeijer M, Baars E, Hoekman J, Wang D, Ruijssenaaars W, Njoku FC, Klose P, Brinkhaus B, Michalsen A, Dobos G, Cramer H, Norheim AJ, Alræk T, Okumus F, Meng F, Oncu-Celik H, Hagel A, Albrecht H, Vollbracht C, Dauth W, Hagel W, Vitali F, Ganzleben I, Schultis H, Konturek P, Stein J, Neurath M, Raithel M, Hagel A, Vollbracht C, Raithel M, Konturek P, Krick B, Haller H, Klose P, Dobos G, Kümmel S, Cramer H, Haller H, Saha FJ, Kowoll A, Ebner B, Berger B, Dobos G, Choi KE, He L, Wang H, He X, Gu C, Zhang Y, Zhao L, Tong X, He L, Wang H, He X, Gu C, Zhang Y, Zhao L, Tong X, He L, Wang H, He X, Gu C, Zhang Y, Zhao L, Tong X, Ho RST, Chung VCH, Wu X, Wong CHL, Wu JCY, Wong SYS, Lau AYL, Sit RWS, Wong W, Holmes M, Bishop F, Calman L, Holmes M, Bishop F, Lewith G, Newell D, Field J, Htut WL, Han D, Choi DI, Choi SJ, Kim HY, Hwang JH, Huang CW, Jang BH, Chen FP, Ko SG, Huang W, Jin D, Lian F, Jang S, Kim KH, Lee EK, Sun SH, Go HY, Ko Y, Park S, Jang BH, Shin YC, Ko SG, Janik H, Greiffenhagen N, Bolte J, Kraft K, Jaworski M, Adamus M, Dobrzynska A, Jeitler M, Jaspers J, von Scheidt C, Koch B, Michalsen A, Steckhan N, Kessler C, Jin D, Huang WJ, Pang B, Lian FM, Jong M, Baars E, Glockmann A, Hamre H, Kainuma M, Murakami A, Kubota T, Kobayashi D, Sumoto Y, Furusyo N, Ando SI, Shimazoe T, Kelber O, Verjee S, Gorgus E, Schrenk D, Kemper K, Hill E, Kemper K, Rao N, Gascon G, Mahan J, Kienle G, Dietrich J, Schmoor C, Huber R, Kim WH, Han D, Ahmed M, He L, Hwang JH, Kiss E, Vancsik T, Meggyeshazi N, Kovago C, Krenacs T, Klaus AK, Zerm R, Pranga D, Ostermann T, Reif M, von Laue HB, Brinkhaus B, Kröz M, Klaus AK, Zerm R, Pranga D, Recchia DR, Ostermann T, Reif M, von Laue HB, Brinkhaus B, Kröz M, Klein-Laansma CT, Jong M, von Hagens C, Jansen JP, van Wietmarschen H, Jong MC, Ko Y, Sun SH, Go HY, Jeon CY, Song YK, Ko SG, Koch AK, Rabsilber S, Lauche R, Kümmel S, Dobos G, Langhorst J, Cramer H, Koch AK, Trifunovic-Koenig M, Klose P, Cramer H, Dobos G, Langhorst J, Koster E, Baars E, Delnoij D, Kroll L, Weiss K, Kubo A, Hendlish S, Altschuler A, Connolly N, Avins A, Lauche R, Recchia DR, Cramer H, Wardle J, Lee D, Sibbritt D, Adams J, Ostermann T, Lauche R, Sibbritt D, Park C, Mishra G, Adams J, Cramer H, Lechner J, Lee I, Chae Y, Lee J, Cho SH, Choi Y, Lee JY, Ryu HS, Yoon SS, Oh HK, Hyun LK, Kim JO, Yoon SW, Lee JY, Shin SH, Jang M, Müller I, Park SHJ, Lestoquoy AS, Laird L, Negash L, Mitchell S, Gardiner P, Li X, Wang Y, Zhen J, Yu H, Liu T, Gu X, Liu H, Ma W, Zhang C, Shang X, Bai Y, Meng F, Liu W, Rooney C, Smith A, Lopes S, Demarzo M, do Patrocínio Nunes M, Lorenz P, Gründemann C, Heinrich M, Garcia-Käufer M, Grunewald F, Messerschmidt S, Herrick A, Gruber K, Beckmann C, Knödler M, Huber R, Steinborn C, Stintzing F, Lu T, Wang L, Wu D, Luberto CM, Hall DL, Chad-Friedman E, Lechner S, Park ER, Luberto CM, Park E, Goodman J, Luer S, Heri M, von Ammon K, Frei-Erb M, Ma W, Meng F, Maggini V, Gallo E, Landini I, Lapucci A, Nobili S, Mini E, Firenzuoli F, McDermott C, Lewith G, Richards S, Cox D, Frossell S, Leydon G, Eyles C, Raphael H, Rogers R, Selby M, Adler C, Allam J, Meng F, Gu W, Zhang C, Bai H, Zhang Z, Wang D, Bu X, Zhang H, Zhang J, Liu H, Mikolasek M, Berg J, Witt C, Barth J, Miskulin I, Lalic Z, Miskulin M, Dumic A, Sebo D, Vcev A, Mohammed NAA, Han D, Ahmed M, Choi SJ, Im HB, Hwang JH, Mukherjee A, Kandhare A, Bodhankar S, Mukherjee A, Kandhare A, Thakurdesai P, Bodhankar S, Munk N, Evans E, Froman A, Kline M, Bair MJ, Musial F, Kristoffersen AE, Alræk T, Hamre HJ, Stub T, Björkman L, Fønnebø VM, Pang B, Lian FM, Ni Q, Tong XL, Li XL, Liu WK, Feng S, Zhao XY, Zheng YJ, Zhao XM, Lin YQ, Pang B, Lian FM, Tong XL, Zhao TY, Zhao XY, Phd HC, Zhang C, Pang B, Liu F, Tong XL, Zhao LH, Zhao XM, Ye R, Gu CJ, Pang B, Ni Q, Tong XL, Lian FM, Zhao XY, Jin D, Zhao XM, Zheng YJ, Lin YQ, Peng W, Lauche R, Sibbritt D, Adams J, Peng W, Wardle J, Cramer H, Mishra G, Lauche R, Pohlman KA, Mior S, Funabashi M, De Carvalho D, El-Bayoumi M, Haig B, Kelly K, Wade DJ, O’Beirne M, Vohra S, Portalupi E, Gobo G, Bellavita L, Guglielmetti C, Raak C, Teuber M, Molsberger F, von Rath U, Reichelt U, Schwanebeck U, Zeil S, Vogelberg C, Veintimilla DR, Vollbracht C, Mery GT, Villavicencio MM, Moran SH, Sachse C, Gündlin PW, Stange R, Sahebkarkhorasani M, Azizi H, Schumann D, Lauche R, Sundberg T, Leach MJ, Cramer H, Seca S, Greten H, Selliah S, Shakya A, Han D, Kim HY, Choi DI, Im HB, Choi SJ, Sherbakova A, Ulrich-Merzenich G, Kelber O, Abdel-Aziz H, Sibinga E, Webb L, Ellen J, Skrautvol K, Nåden D, Song R, Grabowska W, Osypiuk K, Diaz GV, Bonato P, Park M, Hausdorff J, Fox M, Sudarsky LR, Tarsy D, Novakowski J, Macklin EA, Wayne PM, Song R, Hwang I, Ahn S, Lee MA, Wayne PM, Sohn MK, Sorokin O, Steckhan N, Heydeck D, Borchert A, Hohmann CD, Kühn H, Michalsen A, Kessler C, Steckhan N, Hohmann CD, Cramer H, Michalsen A, Dobos G, von Scheidt C, Kirschbaum C, Stalder T, Stöckigt B, Teut M, Suhr R, Sulmann D, Brinkhaus B, Streeter C, Gerbarg P, Silveri M, Brown R, Jensen J, Stritter W, Rutert B, Eggert A, Längler A, Seifert G, Holmberg C, Sun J, Deng X, Li WY, Wen B, Robinson N, Liu JP, Sung HK, Yang N, Go HY, Shin SM, Jung H, Kim YJ, Jung WS, Park TY, Suzuki K, Ito T, Uchida S, Kamohara S, Ono N, Takamura M, Yokochi A, Maruyama K, Tapia P, Thabaut K, Brinkhaus B, Stöckigt B, Thronicke A, Kröz M, Steele M, Matthes H, Herbstreit C, Schad F, Tian J, Lian F, Yang L, Tong X, Tian T, Zhang H, Tian X, Wang C, Chai QY, Zhang L, Xia R, Huang N, Fei Y, Liu J, Trent N, Miraglia M, Dusek J, Pasalis E, Khalsa SB, Trifunovic-König M, Klose P, Cramer H, Lauche R, Koch A, Dobos G, Langhorst J, Uebelacker L, Tremont G, Gillette L, Epstein-Lubow G, Strong D, Abrantes A, Tyrka A, Tran T, Gaudiano B, Miller I, Ullmann G, Ullmann G, Li Y, Vaidya S, Marathe V, Vale AC, Motta J, Donadão F, Valente AC, Valente LCC, Ghelman R, Vesovic D, Jevdic D, Jevdic A, Jevdic K, Djacic M, Letic D, Bozic D, Markovic M, Dunjic S, Vesovic D, Jevdic D, Jevdic A, Jevdic K, Djacic M, Letic D, Bozic D, Markovic M, Ruscuklic G, Baksa D, Dunjic S, Vesovic D, Jevdic D, Jevdic A, Jevdic K, Djacic M, Letic D, Bozic D, Markovic M, Ruscuklic G, Baksa D, Dunjic S, Vesovic D, Jevdic D, Jevdic A, Jevdic K, Djacic M, Letic D, Bozic D, Markovic M, Ruscuklic G, Baksa D, Dunjic S, Vesovic D, Jevdic D, Jevdic A, Jevdic K, Djacic M, Letic D, Bozic D, Markovic M, Vrca K, Dunjic S, Vincent A, Wahner-Roedler D, Whipple M, Vogelius MM, Vollbracht C, Friesecke I, Gündling PW, Wahner-Roedler D, Mahapatra S, Hynes R, Van Rooy K, Looker S, Ghosh A, Bauer B, Cutshall S, Walach H, Flores AB, Walach H, Ofner M, Kastner A, Schwarzl G, Schwameder H, Alexander N, Strutzenberger G, Wang J, Lu Y, Gu W, Zhang C, Bu X, Zhang H, Zhang J, He Y, Zhang X, Meng F, Wang S, Yu H, Shi J, Hao Y, Liu T, Wu J, Qiu Z, Gu X, Wang YH, Lou CJ, Watts S, Wayne P, Osypiuk K, Vergara-Diaz G, Bonato P, Gow B, Hausdorff J, Miranda J, Sudarsky L, Tarsy D, Fox M, Macklin E, Wode K, Bergqvist J, Bernhardsson BM, Nordberg JH, Kienle G, Sharp L, Henriksson R, Woo Y, Hyun MK, Wu H, Wang TF, Zhao Y, Wei Y, Tian L, He L, Wang X, Wu R, Feng S, Han M, Caldwell PHY, Liu S, Zhang J, Liu J, Xia R, Chai Q, Fei Y, Guo Z, Wang C, Liu Z, Li X, Zhang Y, Liu J, Yang IJ, Lincha VR, Ahn SH, Lee DU, Shin HM, Yang L, Sibbritt D, Peng W, Adams J, Yang N, Sung H, Shin SM, Go HY, Jung H, Kim Y, Park TY, Yap A, Kwan YH, Tan CS, Ibrahim S, Ang SB, Yayi A, Han D, Im HB, Hwang JH, Choi SJ, Yoo JE, Yoo HR, Jang SB, Lee HL, Youssef A, Ezzat S, Motaal AA, El-Askary H, Yu X, Cui Y, Zhang Y, Lian F, Yun Y, Ko Y, Ahn JH, Jang BH, Kim KS, Ko SG, Choi I, Zerm R, Glinz A, Pranga D, Berger B, ten Brink F, Reif M, Büssing A, Gutenbrunner C, Kröz M, Zerm R, Helbrecht B, Pranga D, Brinkhaus B, Michalsen A, Kröz M, Zhang H, Fang T, Wang J, Zhang C, He Y, Zhang X, Zhang Z, Wang D, Meng F, Zhang J, Zhang C, Bai H, Shen Z, Ma W, Liu H, Bai Y, Shang X, Meng F, Zhang R, Wu F, Li M, Xuan X, Shen X, Ren K, Berman B, Zhen J, Li X, Gu X, Yu H, Zheng Z, Wan Y, Wang Y, Ma X, Dong F, Liu T, Zhen J, Li X, Gu X, Yu H, Zheng Z, Wan Y, Wang Y, Ma X, Dong F, Liu T, Zick S, Harris R, Bae GE, Kwon JN, Lee HY, Nam JK, Lee SD, Lee DH, Han JY, Yun YJ, Lee JH, Park HL, Park SH, Bocci C, Ivaldi GB, Vietti I, Meaglia I, Guffi M, Ruggiero R, Gualea M, Longa E, Bonucci M, Croke S, Rodriguez LD, Caracuel-Martínez JC, Fajardo-Rodríguez MF, Ariza-García A, la Fuente FGD, Arroyo-Morales M, Estrems MS, Gómez VG, Estrems MS, Sabater MV, Ferreri R, Bernardini S, Pulcri R, Cracolici F, Rinaldi M, Porciani C, Firenzuoli F, Baccetti S, Di Stefano M, Monechi MV, Gallo E, Maggini V, Gori L, Rossi E, Fisher P, Hughes J, Mendoza A, MacPherson H, Witt C, Filshie J, Lewith G, Di Francesco A, Bernardini A, Messe M, Primitivo V, Iasella PA, Ghelman R, Taminato M, Alcantara JDC, De Oliveira KR, Rodrigues DCDA, Mumme JRC, Sunakozawa OKM, Filho VO, Seifert G, Goldenberg J, Day A, Sasagawa M, Ward L, Cooley K, Gunnarsdottir T, Hjaltadottir I. World Congress Integrative Medicine & Health 2017: part two. BMC Complement Altern Med 2017. [PMCID: PMC5498867 DOI: 10.1186/s12906-017-1783-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Kim T, Kim ES, Park SY, Sung H, Kim MN, Kim SH, Lee SO, Choi SH, Jeong JY, Woo JH, Chong YP, Kim YS. Phenotypic changes of methicillin-resistant Staphylococcus aureus during vancomycin therapy for persistent bacteraemia and related clinical outcome. Eur J Clin Microbiol Infect Dis 2017; 36:1473-1481. [PMID: 28337607 DOI: 10.1007/s10096-017-2956-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Accepted: 03/02/2017] [Indexed: 12/13/2022]
Abstract
Persistent bacteraemia (PB) due to methicillin-resistant Staphylococcus aureus (MRSA) that fails to respond to glycopeptide therapy is a well-documented clinical problem. There are limited data on changes in agr functionality, vancomycin susceptibility and heteroresistance during MRSA PB. Thus, the frequency of these changes and their clinical significance remain unclear. Only patients with MRSA PB (≥7 days) from a prospective cohort of S. aureus bacteraemia were included. We collected isogenic paired strains and compared vancomycin MIC, vancomycin heteroresistance, and agr functionality between initial and final blood isolates. We also assessed the clinical outcome. A total of 49 patients had MRSA PB over 22 months. Bacteraemia persisted for a median of 13 days and most patients (98%) received glycopeptide as initial therapy. Among 49 isogenic pairs, only one pair showed a vancomycin MIC increase ≥2-fold by broth microdilution method, and only seven (14%) by E-test. Significant portions of initial isolates had vancomycin heteroresistance (49%) and agr dysfunction (76%). Development of vancomycin heteroresistance during PB occurred in four (16%) among 25 initial vancomycin-susceptible isolates, and acquisition of agr dysfunction occurred in two (16%) among 12 initial agr-functional isolates. Changes in the opposite direction occasionally occurred. These phenotypic changes during PB were not associated with mortality, whereas agr dysfunction of the initial isolates was significantly associated with mortality. During MRSA PB, phenotypic changes of MRSA isolates occurred occasionally under prolonged vancomycin exposure but were not significantly associated with clinical outcome. In contrast, initial agr dysfunction could be a predictor for mortality in MRSA PB.
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Affiliation(s)
- T Kim
- Division of Infectious Diseases, Department of Internal Medicine, Gyeongsang National University Hospital, 79, Gangnam-ro, Jinju, Gyeongsangnam-do, 52727, Republic of Korea
| | - E S Kim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro43-gil, Songpa-gu, Seoul, 138-736, Republic of Korea
| | - S Y Park
- Division of Infectious Diseases, Department of Internal Medicine, Soonchunhyang University Seoul Hospital, Soonchunhyang University College of Medicine, Seoul, Republic of Korea
| | - H Sung
- Department of Laboratory Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - M-N Kim
- Department of Laboratory Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - S-H Kim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro43-gil, Songpa-gu, Seoul, 138-736, Republic of Korea
| | - S-O Lee
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro43-gil, Songpa-gu, Seoul, 138-736, Republic of Korea
| | - S-H Choi
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro43-gil, Songpa-gu, Seoul, 138-736, Republic of Korea
| | - J-Y Jeong
- Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - J H Woo
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro43-gil, Songpa-gu, Seoul, 138-736, Republic of Korea
| | - Y P Chong
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro43-gil, Songpa-gu, Seoul, 138-736, Republic of Korea.
| | - Y S Kim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro43-gil, Songpa-gu, Seoul, 138-736, Republic of Korea.
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Kim J, Sung H, Park JS, Choi SH, Shim TS, Kim MN. Subspecies distribution and macrolide and fluoroquinolone resistance genetics of Mycobacterium abscessus in Korea. Int J Tuberc Lung Dis 2016; 20:109-14. [PMID: 26688536 DOI: 10.5588/ijtld.15.0068] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Treating Mycobacterium abscessus infections with antimicrobials remains difficult, possibly due to drug resistance. OBJECTIVE To investigate the subspecies distribution of M. abscessus and its correlation with antibiotic susceptibility and the genetics of antibiotic resistance, focusing on macrolides and fluoroquinolones, in the Republic of Korea. DESIGN A total of 53 M. abscessus isolates were identified to the subspecies level by sequencing of hsp65 and erm(41). The minimal inhibitory concentrations (MICs) of clarithromycin (CLM) and ciprofloxacin (CFX) were determined using Sensititre™ RAPMYCO plates. The rrl, gyrA and gyrB genes were sequenced to elucidate the molecular mechanisms of macrolide and fluoroquinolone resistance. RESULTS Isolates included 22 M. abscessus subsp. abscessus and 31 M. abscessus subsp. bolletii. erm(41) sequences showing subspecies-specific deletions and sequence variations in the 28th nucleotide were concordant with inducible CLM resistance; however, mutations in rrl were not detected. Low- and high-level CFX resistance was observed in respectively 19 (35.8%) and 10 (18.9%) of the 53 clinical isolates, regardless of subspecies. However, no non-synonymous mutations were detected in gyrA or gyrB. CONCLUSION Sequencing of the erm gene and subspeciation of M. abscessus may be used to predict inducible macrolide susceptibility. Further studies of the relationship between specific mutations in gyrA or gyrB to MIC change are required.
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Affiliation(s)
- J Kim
- Department of Asan Medical Center and University of Ulsan College of Medicine, Seoul, Republic of Korea; Department of Laboratory Medicine, Asan Medical Center and University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - H Sung
- Department of Laboratory Medicine, Asan Medical Center and University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - J-S Park
- Department of Laboratory Medicine, Asan Medical Center and University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - S-H Choi
- Department of Internal Medicine, Asan Medical Center and University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - T-S Shim
- Department of Internal Medicine, Asan Medical Center and University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - M-N Kim
- Department of Laboratory Medicine, Asan Medical Center and University of Ulsan College of Medicine, Seoul, Republic of Korea
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Sung H, Sinclair A, Lewandowski P, Su X. Postprandial triglycerides response to krill oil supplementation in healthy women. Journal of Nutrition & Intermediary Metabolism 2016. [DOI: 10.1016/j.jnim.2015.12.172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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Jung J, Song EH, Park SY, Lee SR, Park SJ, Sung H, Kim MN, Kim SH, Lee SO, Choi SH, Woo JH, Kim YS, Chong YP. Emergence of Panton-Valentine leucocidin-positive ST8-methicillin-resistant Staphylococcus aureus (USA300 clone) in Korea causing healthcare-associated and hospital-acquired bacteraemia. Eur J Clin Microbiol Infect Dis 2016; 35:1323-9. [PMID: 27209287 DOI: 10.1007/s10096-016-2668-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Accepted: 05/03/2016] [Indexed: 11/24/2022]
Abstract
Panton-Valentine leucocidin (PVL)-positive sequence type (ST)8-MRSA-SCCmec IVa (USA300) is the epidemic strain of community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) in North America. USA300 is extremely rare in South Korea, and PVL-negative ST72 SCCmec type IVc is the predominant CA-MRSA clone. In a multicentre, prospective cohort study of S. aureus bacteraemia, we identified PVL-positive ST8-MRSA isolates by performing multilocus sequence typing and PCR for PVL. We analyzed the clinical characteristics of patients with PVL-positive ST8-MRSA bacteraemia, and performed SCCmec, spa, and agr typing, PCR for arginine catabolic mobile element (ACME), virulence gene profiling, and pulsed-field gel electrophoresis (PFGE). Among a total of 818 MRSA isolates, we identified ten isolates of PVL-positive ST8-MRSA (USA300) (3 from Hospital D, 4 from Hospital G, and 3 from Hospital A), all of which involved exclusively healthcare-associated (5 isolates) and hospital-acquired bacteraemia (5 isolates). This strain accounted for 8~10 % of the hospital-acquired MRSA bacteraemia in Hospitals D and G. Bacteraemia of unknown origin was the most common type of infection followed by pneumonia. All the isolates were SCCmec type IVa, spa type t008, and agr group I. Eight of the isolates harboured ACME. In a PFGE analysis, four isolates were identical to the USA300 control strain, five differed by a single band, and the remaining one differed by two bands. All the isolates were pulsed-field type USA300. This is the first report of healthcare-associated and hospital-acquired bacteraemia caused by USA300 in South Korea. USA300 seems to be an emerging hospital clone in this country.
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Affiliation(s)
- J Jung
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, 86 Asanbyeongwon-Gil, Songpa-Gu, Seoul, 138-736, Republic of Korea
| | - E H Song
- Department of Infectious Diseases, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Republic of Korea
| | - S Y Park
- Division of Infectious Diseases, Department of Internal Medicine, Dongguk University Ilsan Hospital, Goyang, Republic of Korea
| | - S-R Lee
- Department of Internal Medicine, Cheongju St. Mary's Hospital, Cheongju, Republic of Korea
| | - S-J Park
- Center for Antimicrobial Resistance and Microbial Genetics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - H Sung
- Department of Laboratory Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - M-N Kim
- Department of Laboratory Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - S-H Kim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, 86 Asanbyeongwon-Gil, Songpa-Gu, Seoul, 138-736, Republic of Korea
| | - S-O Lee
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, 86 Asanbyeongwon-Gil, Songpa-Gu, Seoul, 138-736, Republic of Korea
| | - S-H Choi
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, 86 Asanbyeongwon-Gil, Songpa-Gu, Seoul, 138-736, Republic of Korea
| | - J H Woo
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, 86 Asanbyeongwon-Gil, Songpa-Gu, Seoul, 138-736, Republic of Korea
| | - Y S Kim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, 86 Asanbyeongwon-Gil, Songpa-Gu, Seoul, 138-736, Republic of Korea
| | - Y P Chong
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, 86 Asanbyeongwon-Gil, Songpa-Gu, Seoul, 138-736, Republic of Korea.
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Song S, Roh W, Kim B, Lee S, Sung H. Effects of intravenous anaesthetics on cyclopiazonic acid-induced contractions in isolated rat aorta. J Cardiothorac Vasc Anesth 2016. [DOI: 10.1053/j.jvca.2016.03.058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Yang XR, Li J, Li EN, Guida JL, Li M, Sung H, Lu N, Hu N, Gierach GL. Abstract P6-10-10: Association between mammographic density and breast cancer subtypes among Chinese women. Cancer Res 2016. [DOI: 10.1158/1538-7445.sabcs15-p6-10-10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Epidemiological studies have shown that associations between breast cancer risk and risk factors vary by tumor pathology such as estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor 2 (HER2) status. Mammographic density (MD) is a strong risk factor for breast cancer, but data on the association between MD and breast cancer subtypes have been inconsistent and most studies have been conducted among Western women. The goal of this study was to evaluate the association between MD and breast cancer subtypes in an Asian population where the proportion of dense breast tissue is higher but the overall breast cancer incidence rate is much lower compared with Western countries. Breast cancer cases from a cancer hospital in Beijing, China with MD and ER, PR, and HER2 immunohistochemical (IHC) data were included in this analysis. To reduce subtype misclassification, we excluded cases that were HER2 2+ for IHC but had no FISH data. Tumor subtypes were defined as Luminal A (ER+ or PR+ and HER2-, N=376), Luminal B (ER+ or PR+ and HER2+, N=97), HER2-overexpressing (ER- and PR- and HER2+, N=71), and triple negative (TN, ER- and PR- and HER2-, N=66). MD was assessed on digital mammograms and categorized into four levels using the Breast Imaging Reporting and Data System (BI-RADS) scoring system (a=almost entirely fat, b=scattered fibroglandular densities, c=heterogeneously dense, and d=extremely dense). Because there were few cases with almost entirely fat breasts, we combined MD levels "a" and "b" as our reference group. Polychotomous logistic regression was used to assess the association between MD and breast cancer subtypes with the adjustment of age, menopausal status, parity, age at menarche, and body mass index (BMI) since all these variables showed significant inverse associations with MD (P=0.002 for age at menarche and P<0.0001 for all others). Compared with luminal A cases, cases with HER2-overexpressing tumors were significantly more likely to have extremely dense breasts (Odds ratio [OR], 2.6; 95% confidence interval [CI], 1.2-5.7). Cases with luminal B (OR, 2.1, 95% CI, 1.2-3.9) and TN (OR, 2.9, 95% CI, 1.5-5.8) tumors had significantly higher proportions of heterogeneously dense but not extremely dense tissue compared with luminal A cases. Our data suggest that higher MD is associated with more aggressive tumor subtypes, particularly the HER2-overexpressing subtype among Chinese breast cancer cases. If confirmed in larger studies, these results may provide insight into the higher incidence rates of HER2-overexpressing breast cancer seen among young Asian American and Asian women.
Citation Format: Yang XR, Li J, Li E-N, Guida JL, Li M, Sung H, Lu N, Hu N, Gierach GL. Association between mammographic density and breast cancer subtypes among Chinese women. [abstract]. In: Proceedings of the Thirty-Eighth Annual CTRC-AACR San Antonio Breast Cancer Symposium: 2015 Dec 8-12; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2016;76(4 Suppl):Abstract nr P6-10-10.
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Affiliation(s)
- XR Yang
- National Cancer Institute, Bethesda, MD; Cancer Hospital, Chinese Academy of Medical Sciences, Beijing, China; Chinese University of Hong Kong, Hong Kong, China
| | - J Li
- National Cancer Institute, Bethesda, MD; Cancer Hospital, Chinese Academy of Medical Sciences, Beijing, China; Chinese University of Hong Kong, Hong Kong, China
| | - E-N Li
- National Cancer Institute, Bethesda, MD; Cancer Hospital, Chinese Academy of Medical Sciences, Beijing, China; Chinese University of Hong Kong, Hong Kong, China
| | - JL Guida
- National Cancer Institute, Bethesda, MD; Cancer Hospital, Chinese Academy of Medical Sciences, Beijing, China; Chinese University of Hong Kong, Hong Kong, China
| | - M Li
- National Cancer Institute, Bethesda, MD; Cancer Hospital, Chinese Academy of Medical Sciences, Beijing, China; Chinese University of Hong Kong, Hong Kong, China
| | - H Sung
- National Cancer Institute, Bethesda, MD; Cancer Hospital, Chinese Academy of Medical Sciences, Beijing, China; Chinese University of Hong Kong, Hong Kong, China
| | - N Lu
- National Cancer Institute, Bethesda, MD; Cancer Hospital, Chinese Academy of Medical Sciences, Beijing, China; Chinese University of Hong Kong, Hong Kong, China
| | - N Hu
- National Cancer Institute, Bethesda, MD; Cancer Hospital, Chinese Academy of Medical Sciences, Beijing, China; Chinese University of Hong Kong, Hong Kong, China
| | - GL Gierach
- National Cancer Institute, Bethesda, MD; Cancer Hospital, Chinese Academy of Medical Sciences, Beijing, China; Chinese University of Hong Kong, Hong Kong, China
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Kim T, Jung J, Kim SM, Seo DW, Lee YS, Kim WY, Lim KS, Sung H, Kim MN, Chong YP, Lee SO, Choi SH, Kim YS, Woo JH, Kim SH. Transmission among healthcare worker contacts with a Middle East respiratory syndrome patient in a single Korean centre. Clin Microbiol Infect 2015; 22:e11-e13. [PMID: 26384679 PMCID: PMC7128147 DOI: 10.1016/j.cmi.2015.09.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Accepted: 09/07/2015] [Indexed: 11/12/2022]
Affiliation(s)
- T Kim
- Department of Infectious Diseases, Republic of Korea
| | - J Jung
- Department of Infectious Diseases, Republic of Korea
| | - S-M Kim
- Department of Infectious Diseases, Republic of Korea
| | - D-W Seo
- Department of Emergency Medicine, Republic of Korea
| | - Y S Lee
- Department of Emergency Medicine, Republic of Korea
| | - W Y Kim
- Department of Emergency Medicine, Republic of Korea
| | - K S Lim
- Department of Emergency Medicine, Republic of Korea
| | - H Sung
- Department of Laboratory Medicine, Asan Medical Centre, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - M-N Kim
- Department of Laboratory Medicine, Asan Medical Centre, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Y P Chong
- Department of Infectious Diseases, Republic of Korea
| | - S-O Lee
- Department of Infectious Diseases, Republic of Korea
| | - S-H Choi
- Department of Infectious Diseases, Republic of Korea
| | - Y S Kim
- Department of Infectious Diseases, Republic of Korea
| | - J H Woo
- Department of Infectious Diseases, Republic of Korea
| | - S-H Kim
- Department of Infectious Diseases, Republic of Korea.
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Kim BR, Kim JE, Sung H, Cho YK. Long-term follow up of HIV-1-infected Korean haemophiliacs, after infection from a common source of virus. Haemophilia 2015; 21:e1-11. [PMID: 25545303 DOI: 10.1111/hae.12527] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/23/2014] [Indexed: 12/21/2022]
Abstract
In the early 1990s, 20 haemophiliacs (HPs) were infected with a common source of HIV-1 viruses through the contaminated clotting factor IX. The aim of this study is to review 20 HPs infected with a common source of virus. The enrolled patients have been consecutively treated with Korean red ginseng (KRG), zidovudine (ZDV) or two-drug therapy and highly active antiretroviral therapy (HAART). We determined full-length pol gene over 20 years and human leukocyte antigen (HLA) class I with peripheral blood mononuclear cells and reviewed medical records. Eighteen HPs experienced various opportunistic infections or clinical manifestations. There were significant inverse correlations between the HLA prognostic score and the annual decrease in CD4+ T-cell counts prior to HAART (AD) (P < 0.05) and the amount of KRG and the AD (P < 0.01). From 1998, the HPs had been treated with HAART. Each of the two patients died without and with HAART regimen respectively. At present, 16 HPs have been alive with HAART. Among the 16 HPs, 12 and 4 are on HAART-plus-KRG and HAART only respectively. Eleven HPs including 2 HPs with G-to-A hypermutations had revealed resistance mutations. Ten and two HPs have shown poor adherence and incomplete viral suppres-sion on HAART respectively. Virological failure based on WHO guidelines was not observed on KRG-plus-HAART. Two HPs revealed additional resistance mutations against two classes on KRG-plus-HAART. As a nationwide study, we first report overall features on clinical course of Korean haemophiliacs. Further education on the importance of drug adherence is needed.
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Affiliation(s)
- B-R Kim
- Departments of Microbiology; and Department of Laboratory Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
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Kim SH, Ha YE, Youn JC, Park JS, Sung H, Kim MN, Choi HJ, Lee YJ, Kang SM, Ahn JY, Choi JY, Kim YJ, Lee SK, Kim SJ, Peck KR, Lee SO, Kim YH, Hwang S, Lee SG, Ha J, Han DJ. Fatal scedosporiosis in multiple solid organ allografts transmitted from a nearly-drowned donor. Am J Transplant 2015; 15:833-40. [PMID: 25639881 DOI: 10.1111/ajt.13008] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2014] [Revised: 09/05/2014] [Accepted: 09/11/2014] [Indexed: 01/25/2023]
Abstract
Scedosporium spp. is the most common mold infection in pneumonia resulting from near-drowning. Three fatal scedosporiosis cases developed after solid organ transplantation, probably transmitted from the nearly-drowned donor. One heart transplant recipient and two kidney transplant recipients developed fatal scedosporiosis following deceased donor transplantation from the same donor, a nearly-drowned victim of a suicide attempt. Genotypically, indistinguishable strains of Scedosporium auratiacum were recovered from the three recipients. Two liver transplant recipients from the same donor received prophylactic voriconazole without any subsequent signs of infection. To determine the safety of donation from nearly-drowned donors, a national traceback investigation was also performed of the causes of deaths in all transplant recipients who received organs from drowned donors between 2001 and 2013. Over 13 years, 2600 deceased donor transplants were performed in Korea. Among these 2600 deceased donor transplants, 27 (1%) victims of drowning donated their organs. From these 27 donors, 84 patients received organ transplants and 18 died, including the above three. We found no microbiologic evidence of invasive mold transmission from the nearly-drowned donors to the other 15 recipients. Although disseminated infection in the donor could not be demonstrated by culture, undiagnosed disseminated donor infection and transmission of Scedosporium spp. should be considered in near-drowning events.
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Affiliation(s)
- S-H Kim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
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Yun JH, Sung H, Kim T, Hong SI, Chong YP, Kim SH, Choi SH, Kim YS, Woo JH, Lee SO. Comparison of the clinical characteristics of Mycobacterium tuberculosis and nontuberculous mycobacteria patients with joint involvement. Infection 2015; 43:207-9. [PMID: 25623639 DOI: 10.1007/s15010-015-0731-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2014] [Accepted: 01/14/2015] [Indexed: 01/15/2023]
Abstract
Nontuberculous mycobacteria (NTM) joint involvement is rare. However, the incidence of NTM disease is increasing and it is difficult to distinguish NTM from Mycobacterium tuberculosis (MTB). Here, the clinical characteristics of NTM joint involvement were compared with those of MTB. Distal joint involvement and precipitating factors were significantly more frequent for NTM joint infections. Because pathologic findings of NTM and MTB were similar, microbiological investigations are needed.
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Affiliation(s)
- J H Yun
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro 43-gil, Songpa-gu, Seoul, 138-736, Republic of Korea
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Lee YM, Kim Y, Han D, Park SK, Park J, Sung H, Hong HL, Kim T, Kim SH, Choi SH, Kim Y, Woo J, Lee SO. Cytomegalovirus infection after acute rejection therapy in seropositive kidney transplant recipients. Transpl Infect Dis 2014; 16:397-402. [DOI: 10.1111/tid.12227] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2013] [Revised: 12/17/2013] [Accepted: 01/20/2014] [Indexed: 11/29/2022]
Affiliation(s)
- Y.-M. Lee
- Department of Infectious Diseases; Asan Medical Center; University of Ulsan College of Medicine; Seoul Korea
- Department of Infectious Diseases; Busan Paik Hospital; Inje University College of Medicine; Busan Korea
| | - Y.H. Kim
- Department of Surgery; Asan Medical Center; University of Ulsan College of Medicine; Seoul Korea
| | - D.J. Han
- Department of Surgery; Asan Medical Center; University of Ulsan College of Medicine; Seoul Korea
| | - S.-K. Park
- Department of Nephrology; Asan Medical Center; University of Ulsan College of Medicine; Seoul Korea
| | - J.S. Park
- Department of Nephrology; Asan Medical Center; University of Ulsan College of Medicine; Seoul Korea
| | - H. Sung
- Department of Laboratory Medicine; Asan Medical Center; University of Ulsan College of Medicine; Seoul Korea
| | - H.-L. Hong
- Department of Infectious Diseases; Asan Medical Center; University of Ulsan College of Medicine; Seoul Korea
| | - T. Kim
- Department of Infectious Diseases; Asan Medical Center; University of Ulsan College of Medicine; Seoul Korea
| | - S.-H. Kim
- Department of Infectious Diseases; Asan Medical Center; University of Ulsan College of Medicine; Seoul Korea
| | - S.-H. Choi
- Department of Infectious Diseases; Asan Medical Center; University of Ulsan College of Medicine; Seoul Korea
| | - Y.S. Kim
- Department of Infectious Diseases; Asan Medical Center; University of Ulsan College of Medicine; Seoul Korea
| | - J.H. Woo
- Department of Infectious Diseases; Asan Medical Center; University of Ulsan College of Medicine; Seoul Korea
| | - S.-O. Lee
- Department of Infectious Diseases; Asan Medical Center; University of Ulsan College of Medicine; Seoul Korea
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González S, Sung H, Sepúlveda D, González MJ, Molina C. Oral manifestations and their treatment in Sjögren′s syndrome. Oral Dis 2013; 20:153-61. [DOI: 10.1111/odi.12105] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2012] [Revised: 02/27/2013] [Accepted: 03/07/2013] [Indexed: 11/26/2022]
Affiliation(s)
- S González
- Oral Pathology Department; Faculty of Dentistry; Mayor University; Santiago Chile
| | - H Sung
- Faculty of Medicine; Institute of Biomedical Sciences (ICBM); University of Chile; Santiago Chile
| | - D Sepúlveda
- Faculty of Medicine; Institute of Biomedical Sciences (ICBM); University of Chile; Santiago Chile
| | - MJ González
- Faculty of Medicine; Institute of Biomedical Sciences (ICBM); University of Chile; Santiago Chile
| | - C Molina
- Oral Pathology Department; Faculty of Dentistry; Mayor University; Santiago Chile
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Park SY, Kim YH, Han DJ, Park SK, Park JS, Sung H, Park HJ, Kim SH, Choi SH, Kim YS, Woo JH, Lee SO. Efficacy of a strategy for discontinuing pre-emptive ganciclovir therapy after a negative cytomegalovirus antigenaemia test result in seropositive kidney transplant recipients. J Antimicrob Chemother 2013; 68:1209-11. [DOI: 10.1093/jac/dks524] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Moon S, Sung H, Kim MN, Lee SO, Choi SH, Kim Y, Woo J, Kim SH. Diagnostic yield of the cytomegalovirus (CMV) antigenemia assay and clinical features in solid organ transplant recipients and hematopoietic stem cell transplant recipients with CMV pneumonia. Transpl Infect Dis 2012; 14:192-7. [DOI: 10.1111/j.1399-3062.2011.00703.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2011] [Revised: 08/23/2011] [Accepted: 10/06/2011] [Indexed: 12/29/2022]
Affiliation(s)
- S.M. Moon
- Department of Infectious Diseases; Asan Medical Center; University of Ulsan College of Medicine; Seoul Republic of Korea
- Graduate School of Kyung Hee University; Seoul Republic of Korea
| | - H. Sung
- Department of Laboratory Medicine; Asan Medical Center; University of Ulsan College of Medicine; Seoul Republic of Korea
| | - M.-N. Kim
- Department of Laboratory Medicine; Asan Medical Center; University of Ulsan College of Medicine; Seoul Republic of Korea
| | - S.-O. Lee
- Department of Infectious Diseases; Asan Medical Center; University of Ulsan College of Medicine; Seoul Republic of Korea
| | - S.-H. Choi
- Department of Infectious Diseases; Asan Medical Center; University of Ulsan College of Medicine; Seoul Republic of Korea
| | - Y.S. Kim
- Department of Infectious Diseases; Asan Medical Center; University of Ulsan College of Medicine; Seoul Republic of Korea
| | - J.H. Woo
- Department of Infectious Diseases; Asan Medical Center; University of Ulsan College of Medicine; Seoul Republic of Korea
| | - S.-H. Kim
- Department of Infectious Diseases; Asan Medical Center; University of Ulsan College of Medicine; Seoul Republic of Korea
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