Journal of Microbiology

Research Article

Comprehensive genomic and functional analysis of Leuconostoc lactic acid bacteria in alcohol and acetaldehyde metabolism: Joo-Han Gwak, Yun Ji Choi, Hina Ayub, Min Kyeong Seol, Hongik Kim, Man-Young Jung; J. Microbiol. 2025;63(2):e2410026. Published online February 27, 2025; DOI: https://doi.org/10.71150/jm.2410026

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Abstract PDF Supplementary Material: Alcohol consumption can lead to the accumulation of harmful metabolites, such as acetaldehyde, contributing to various adverse health effects, including hangovers and liver damage. This study presents a comprehensive genomic and functional analysis of Leuconostoc suionicum VITA-PB2, a lactic acid bacterial strain isolated from kimchi, to elucidate its role in enhancing alcohol and acetaldehyde metabolism. Genomic characterization revealed key genes encoding alcohol dehydrogenase (ADH) and aldehyde dehydrogenase (ALDH), providing insights into the metabolic capabilities of strain VITA-PB2. Phylogenomic analyses confirmed its taxonomic classification and genetic similarity to other Leuconostoc species. Functional validation through in vitro and in vivo experiments demonstrated superior ethanol and acetaldehyde decomposition abilities of strain VITA-PB2, with significant reductions in blood ethanol and acetaldehyde levels observed in rats administered with the strain. Further analysis indicated that while hepatic ADH activity did not significantly increase; however, ALDH expression was elevated. This suggests that the microbial ADH of strain VITA-PB2 contributed to ethanol breakdown, while both microbial and host ALDH facilitated acetaldehyde detoxification. These findings highlight the potential of strain VITA-PB2 as a functional probiotic for mitigating the toxic effects of alcohol consumption.

Journal Article

Arthrobacter dokdonellae sp. nov., isolated from a plant of the genus Campanula: Hyeon-Woo Koh , Myung-Suk Kang , Ki-Eun Lee , Eun-Young Lee , Hongik Kim , Soo-Je Park; J. Microbiol. 2019;57(9):732-737. Published online May 11, 2019; DOI: https://doi.org/10.1007/s12275-019-8540-x

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A Gram-stain-positive, oxidase- and catalase-positive, motile, aerobic, and rod-shaped bacterial strain, designated as DCT-5T, was isolated from a native plant belonging to the genus Campanula at Dokdo island, Republic of Korea. Growth of the strain DCT-5T was observed at 15–37°C (optimum 30°C) on R2A broth, pH 6.0–8.0 (optimum 7.0), and 0–5% (w/v) NaCl concentration (optimum 0%). The 16S rRNA gene sequence analysis revealed that strain DCT-5T was most closely related to Arthrobacter silviterrae KIS14-16T, Arthrobacter livingstonensis LI2T, Arthrobacter stackebrandtii CCM 2783T, Arthrobacter cryoconiti Cr6-08T, Arthrobacter ramosus CCM 1646T, and Arthrobacter psychrochitiniphilus GP3T with pairwise sequence similarities of 98.76%, 97.47%, 97.25%, 97.11%, 97.11%, and 97.00%, respectively. The DNA G+C content of strain DCT-5T was 64.7 mol%, and its DNA–DNA relatedness values with A. silviterrae KIS14-16T, A. livingstonensis LI2T, A. stackebrandtii CCM 2783T, A. psychrochitiniphilus GP3T, A. ramosus CCM 1646T, and A. cryoconiti Cr6-08T were 32.57 ± 2.02%, 28.75 ± 0.88%, 31.93 ± 1.15%, 34.73 ± 1.86%, 29.12 ± 1.56%, and 27.23 ± 0.88%, respectively. The major quinone was MK-9(H2) and major fatty acids were anteiso-C15:0, anteiso-C17:0, iso-C15:0, and iso-C16:0. The polar lipids were diphosphatidylglycerol (DPG), phosphatidylglycerol (PG), phosphatidylinositol (PI), unidentified glycolipid (GL), two unidentified aminophospholipids (APLs), and three unidentified lipids (Ls). The peptidoglycan type was A3α. On the basis of phenotypic, phylogenetic, genotypic, and chemotaxonomic characteristics, strain DCT-5T represents a novel species of the genus Arthrobacter, for which the name Arthrobacter dokdonellae sp. nov. is proposed. The type strain is DCT-5T (= KCTC 49189T = LMG 31284T).

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Retracted Publication

Interferon-mediated antiviral activities of Angelica tenuissima Nakai and its active components: Prasanna Weeratunga , Md Bashir Uddin , Myun Soo Kim , Byeong-Hoon Lee , Tae-Hwan Kim , Ji-Eun Yoon , Jin Yeul Ma , Hongik Kim , Jong-Soo Lee; J. Microbiol. 2016;54(1):57-70. Published online January 5, 2016; DOI: https://doi.org/10.1007/s12275-016-5555-4

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Abstract

Angelica tenuissima Nakai is a widely used commodity in traditional medicine. Nevertheless, no study has been conducted on the antiviral and immune-modulatory properties of an aqueous extract of Angelica tenuissima Nakai. In the present study, we evaluated the antiviral activities and the mechanism of action of an aqueous extract of Angelica tenuissima Nakai both in vitro and in vivo. In vitro, an effective dose of Angelica tenuissima Nakai markedly inhibited the replication of Influenza A virus (PR8), Vesicular stomatitis virus (VSV), Herpes simplex virus (HSV), Coxsackie virus, and Enterovirus (EV-71) on epithelial (HEK293T/HeLa) and immune (RAW264.7) cells. Such inhibition can be described by the induction of the antiviral state in cells by antiviral, IFNrelated gene induction and secretion of IFNs and pro-inflammatory cytokines. In vivo, Angelica tenuissima Nakai treated BALB/c mice displayed higher survivability and lower lung viral titers when challenged with lethal doses of highly pathogenic influenza A subtypes (H1N1, H5N2, H7N3, and H9N2). We also found that Angelica tenuissima Nakai can induce the secretion of IL-6, IFN-λ, and local IgA in bronchoalveolar lavage fluid (BALF) of Angelica tenuissima Nakai treated mice, which correlating with the observed prophylactic effects. In HPLC analysis, we found the presence of several compounds in the aqueous fraction and among them; we evaluated antiviral properties of ferulic acid. Therefore, an extract of Angelica tenuissima Nakai and its components, including ferulic acid, play roles as immunomodulators and may be potential candidates for novel anti-viral/anti-influenza agents.

Citations

Citations to this article as recorded by

The stimulatory effect of Angelica tenuissima Nakai in osteoblastic/odontoblastic differentiation of human periodontal ligament stem cells
Won-Jong Park, Youn Ho Han
Korean Journal of Dental Materials.2022; 49(4): 187. CrossRef
Fermented Angelicae tenussimae with Aspergillus oryzae Improves Skin Barrier Properties, Moisturizing, and Anti-Inflammatory Responses
Chang-Woo Ha, Eun-Hwa Sohn, Sung-Hyeok Kim, Sohee Jang, Myung-Rye Park, Youn-Kyu Kim, In-Young Bae
International Journal of Molecular Sciences.2022; 23(20): 12072. CrossRef
Extract of Polygala tenuifolia, Angelica tenuissima, and Dimocarpus longan Reduces Behavioral Defect and Enhances Autophagy in Experimental Models of Parkinson’s Disease
Huan Li, Joonki Kim, Huynh Nguyen Khanh Tran, Chang Hwan Lee, Jonghyun Hur, Min Cheol Kim, Hyun Ok Yang
NeuroMolecular Medicine.2021; 23(3): 428. CrossRef
Chemical Constituents of the Root of Angelica tenuissima and their Anti-allergic Inflammatory Activity
Hyun Gyu Choi, In-Gyu Je, Geum Jin Kim, Joo-Won Nam, Sang Hee Shim, Sang-Hyun Kim, Hyukjae Choi
Natural Product Communications.2017;[Epub] CrossRef
Inhibitory effects of bee venom and its components against viruses in vitro and in vivo
Md Bashir Uddin, Byeong-Hoon Lee, Chamilani Nikapitiya, Jae-Hoon Kim, Tae-Hwan Kim, Hyun-Cheol Lee, Choul Goo Kim, Jong-Soo Lee, Chul-Joong Kim
Journal of Microbiology.2016; 54(12): 853. CrossRef

Research Support, Non-U.S. Gov'ts

NOTE] Evaluation of a Fosmid-Clone-Based Microarray for Comparative Analysis of Swine Fecal Metagenomes: Soo-Je Park , Dong-Hwan Kim , Man-Young Jung , So-Jeong Kim , Hongik Kim , Yang-Hoon Kim , Jong-Chan Chae , Sung-Keun Rhee; J. Microbiol. 2012;50(4):684-688. Published online July 21, 2012; DOI: https://doi.org/10.1007/s12275-012-2115-4

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Abstract: Glass slide arrayed with fosmid clone DNAs generated from swine feces as probes were fabricated and used as a metagenome microarray (MGA). MGA appeared to be specific to their corresponding target genomic fragments. The detection limit was 10 ng of genomic DNA (ca. 106 bacterial cells) in the presence of 1000 ng of background DNA. Linear relationships between the signal intensity and the target DNA (20–100 ng) were observed (r2=0.98). Application of MGA to the comparison of swine fecal metagenomes suggested that the microbial community composition of swine intestine could be dependent on the health state of swine.

NOTE] Bacillus gaemokensis sp. nov., Isolated from Foreshore Tidal Flat Sediment from the Yellow Sea: Min-Young Jung , Woon Kee Paek , In-Soon Park , Jeong-Ran Han , Yeseul Sin , Jayoung Paek , Moon-Soo Rhee , Hongik Kim , Hong Seok Song , Young-Hyo Chang; J. Microbiol. 2010;48(6):867-871. Published online January 9, 2011; DOI: https://doi.org/10.1007/s12275-010-0148-0

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Abstract: A Gram-positive, rod-shaped, endospore-forming organism, strain BL3-6T, was isolated from tidal flat sediments of the Yellow Sea in the region of Tae-An. A 16S rRNA gene sequence analysis demonstrated that this isolate belongs to the Bacillus cereus group, and is closely related to Bacillus mycoides (99.0% similarity), Bacillus thuringiensis (99.0%), Bacillus weihenstephanensis (99.0%), Bacillus cereus (98.9%), Bacillus anthracis (98.8%), and Bacillus pseudomycoides (98.1%). The phylogenetic distance from any validly described Bacillus species outside the Bacillus cereus group was less than 95.6%. The DNA G+C content of the strain was 39.4 mol% and the major respiratory quinone was menaquinone-7. The major cellular fatty acids were iso-C14:0 (17.8%), iso-C16:0 (15.8%), and iso-C12:0 (11.3%). The diagnostic amino acid of the cell wall was mesodiaminopimelic acid and the major cell wall sugar was galactose. The results of DNA-DNA hybridization (<55.6%) and physiological and biochemical tests allowed genotypic and phenotypic differentiation of strain BL3-6T from the published Bacillus species. BL3-6T therefore represents a new species, for which the name Bacillus gaemokensis sp. nov. is proposed, with the type strain BL3-6T (=KCTC 13318T =JCM 15801T).

Retraction of Publication

[Retraction Note] Interferon-mediated antiviral activities of Angelica tenuissima Nakai and its active components: Prasanna Weeratunga , Md Bashir Uddin , Myun Soo Kim , Byeong-Hoon Lee , Tae-Hwan Kim , Ji-Eun Yoon , Jin Yeul Ma , Hongik Kim , Jong-Soo Lee; J. Microbiol. 2018;56(9):690-690.; DOI: https://doi.org/10.1007/s12275-018-0579-6

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Abstract: The above article by Weeratunga et al. has been retracted from Journal of Microbiology at the request of the corresponding author. The authors found that they were unable to reproduce Figure 1, Figure 3(A), Figure 4(A) and Figure 7(D) presented in this paper. All of the authors agreed to this retraction. The authors regret any inconvenience that this may cause and apologize sincerely to the readers, reviewers, and editors of Journal of Microbiology.

ERRATUM] Bacillus gaemokensis sp. nov., Isolated from Foreshore Tidal Flat Sediment: Min-Young Jung , Woon Kee Paek , In-Soon Park , Jeong-Ran Han , Yeseul Sin , Jayoung Paek , Moon-Soo Rhee , Hongik Kim , Hong Seok Song , Young-Hyo Chang; J. Microbiol. 2011;49(1):169-169.

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Abstract: In the article by Jung et al. that appears in the Journal of Microbiology 2010; 48, 876-871. Page 867 first author name Min-Young Jung should be changed as Min Young Jung.

ERRATUM] Bacillus gaemokensis sp. nov., Isolated from Foreshore Tidal Flat Sediment from the Yellow Sea: Min-Young Jung , Woon Kee Paek , In-Soon Park , Jeong-Ran Han , Yeseul Sin , Jayoung Paek , Moon-Soo Rhee , Hongik Kim , Hong Seok Song , Young-Hyo Chang; J. Microbiol. 2012;50(3):553-553.

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Abstract: In the article by Jung et al. that appears in the Journal of Microbiology 2010; 48, 867-871. Page 867, the information of 6th author, Jayoung Paek, should read as below.

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