Publications by authors named "Hongik Kim"
Description of sp. nov., an anaerobic bacterium isolated from pig faeces.
Int J Syst Evol Microbiol
November 2024
Article Synopsis
- A new bacterium strain, named YH-ols2223, was isolated from pig feces and is classified as a short-rod, Gram-positive, obligate anaerobe.
- Genetic analysis shows it has 97.7% similarity to KCTC 25755 and forms a unique sub-cluster within its genus.
- The bacterium produces lactic and acetic acids during fermentation and has a distinctive peptidoglycan structure, leading to its designation as a novel species.
Article Synopsis
- Two novel bacteria, YH-ols2216 and YH-ols2217, were isolated from pig feces, identified as rod-shaped, obligate anaerobic, and Gram-positive, showing high genetic similarity to related species.* -
- The genetic analysis revealed significant similarities (92.0-92.5%) with other strains, while the isolates showed 99.9% similarity to each other, leading to the proposal of a new family and genus based on various chemotaxonomic and phenotypic properties.* -
- Key characteristics included lactate as the main end-product, specific fatty acids in their cell membranes, and high DNA G+C content, supporting their classification as a novel taxon within the bacterial
sp. nov., a facultatively anaerobic bacterium isolated from pig faeces.
Int J Syst Evol Microbiol
February 2024
Article Synopsis
- - Two new strains of bacteria, YH-aer221 and YH-aer222, were discovered in pig feces and are similar to the known strain JCM 18035 with over 96% genetic similarity.
- - Various genetic analyses, including average nucleotide identity and digital DNA-DNA hybridization, confirmed their distinct status with low similarity to other bacteria, indicating they belong to a new category.
- - The bacteria possess unique features like a specific fatty acid profile and shared metabolic pathways, and both isolates have the same CRISPR array, leading to the proposal of a new species name.
Article Synopsis
- The Lachnospiraceae family, associated with gut health and obesity, includes the newly identified isolate YH-rum2234, found in pig feces, which is an obligately anaerobic bacterium.
- A polyphasic taxonomic approach was used to analyze this isolate, revealing significant genetic differences from closely related strains, with a 94.3% similarity to Lientehia hominis.
- Based on its unique characteristics, YH-rum2234 is classified as a new genus and species named Fusibacillus kribbianus.
is known as a probiotic butyric acid bacterium that can improve the intestinal environment. In this study, we isolated a new strain of from infant feces and evaluated its physiological characteristics and antiviral efficacy by modulating the innate immune responses and . The isolated S-45-5 showed typical characteristics of including bile acid resistance, antibacterial ability, and growth promotion of various lactic acid bacteria.
View Article and Find Full Text PDFArticle Synopsis
- - A new rod-shaped, aerotolerant, Gram-positive bacterium, named strain YH-lim2214, was isolated from pig feces and is closely related to KCTC 25258 with 98.0% 16S rRNA gene similarity.
- - The genetic comparison shows 81.4% average nucleotide identity and 81.3% average amino acid identity between YH-lim2214 and KCTC 25258, indicating a significant relationship.
- - The strain exhibits unique chemotaxonomic and phenotypic properties, with a specific peptidoglycan type and G+C content, leading to the proposal of it as a new species in microbiology.
Objective: The genus Hallella was described within Bacteroidaceae, and then reclassified within Prevotellaceae based on its phenotypic and phylogenetic description. It is associated with degradation of carbohydrate. However, some species of Hallella have pathobiotic properties, and are involved in infections and chronic inflammatory disorders.
View Article and Find Full Text PDFA lactic acid bacterium isolated from pig faeces was characterized using a polyphasic approach. The strain was Gram-stain-positive, rod-shaped, and facultative anaerobic. Phylogenetic analysis of the 16S rRNA gene sequence indicated that the isolate belonged to the genus .
View Article and Find Full Text PDFA lactic acid bacteria isolated from pig faeces was characterized using a polyphasic approach. Cells of the strain were Gram-stain-positive, rod-shaped and facultative anaerobic. Phylogenetic analysis of 16S rRNA gene sequence indicated that the isolate belonged to the genus ; however, the similarity to other homologues within the genus was <98 %.
View Article and Find Full Text PDFsp. nov., an obligately anaerobic bacterium from a pig farm faeces dump.
Int J Syst Evol Microbiol
February 2022
An obligately anaerobic, Gram-stain-positive, spore-forming, short-rod-shaped bacterium, designated strain YH-C36a, was isolated from a pig farm faeces dump. Phylogenetic analysis based on 16S rRNA gene sequences indicated that the isolate belongs to the genus and is most closely related to KCTC 5831, KCTC 15010 and KCTC 15331, with 96.3, 96.
View Article and Find Full Text PDFTwo strains isolated from soil samples were designated as YH-JAE5 and YH-JAE2. The isolates were facultative anaerobic, Gram-stain-variable, motile, rod-shaped bacteria. Phylogenetic analysis indicated that the isolates belonged to the genus , but the 16S rRNA gene sequence similarities were <98 % when compared with other species within the genus.
View Article and Find Full Text PDFAn obligately anaerobic, Gram-stain-negative, spore-forming, short rod-shaped bacterium, designated strain YH- T4B42, was isolated from the large intestine of a mini-pig. Phylogenetic analysis based on 16S rRNA gene sequences indicated that the isolate belongs to the genus and is most closely related to KCTC 5424, KCTC 15329 and KCTC 1871, with 95.5, 92.
View Article and Find Full Text PDFArticle Synopsis
- The article originally featured inaccuracies regarding the description of new species.
- This corrigendum addresses and rectifies those errors.
- The corrections enhance the accuracy and reliability of the information presented.
A Gram-stain-negative, facultative anaerobic, spore-forming, motile, and rod-shaped bacterium, strain ChDC PVNT-B20, was isolated from the human subgingival dental plaque of a gingivitis lesion. Phylogenetic analysis based on the 16S ribosomal RNA gene (16S rDNA) showed that the strain belonged to the genus Paenibacillus. BLAST analysis of 16S rDNA sequence of the strain displayed high identity to those of Paenibacillus faecis DSM 23593 (97.
View Article and Find Full Text PDFgen. nov., sp. nov., a member of the family isolated from pig faeces.
Int J Syst Evol Microbiol
February 2020
Article Synopsis
- Strain YH-panp20 is a new species of anaerobic, Gram-positive, coccus-shaped bacterium isolated from pig feces.
- Phylogenetic analysis shows it is closely related to other bacteria but has significant genetic differences, with 93.5% similarity to its nearest relative.
- Its fermentation process produces lactate, acetate, and formate, leading to the proposal of a new genus and species designation.
A novel facultative anaerobic, Gram-stain-positive coccus, strain JS71, was isolated from the human subgingival dental plaque of a periodontitis lesion. Phylogenetic analysis based on the 16S ribosomal RNA gene (16S rDNA) revealed that the strain belonged to the genus Streptococcus. The 16S rDNA sequence had high similarity with Streptococcus rubneri DSM 26920 (98.
View Article and Find Full Text PDFA novel Gram-stain-negative, motile, and facultative anaerobic coccus, strain ChDC F240 was isolated from human subgingival dental plaque of a gingivitis lesion. The phylogenetic analysis based on the 16S ribosomal RNA gene (16S rDNA) sequence showed that the strain belonged to the genus Lautropia. 16S rDNA of strain ChDC F240 had the highest similarity to that of Lautropia mirabilis ATCC 51599 (98.
View Article and Find Full Text PDFArticle Synopsis
- A new strain of bacteria, called ChDC B114, was found in human dental plaque from a gingivitis case.
- It is identified as belonging to the genus Lachnoanaerobaculum, showing close genetic similarities to Lachnoanaerobaculum orale N1 and Lachnoanaerobaculum saburreum CCUG 28089.
- Based on genetic analysis and characteristics, ChDC B114 is proposed as a new species named Lachnoanaerobaculum gingivalis.
A novel facultative anaerobic, non-spore forming, non-motile, and Gram-stain-positive coccus, designated strain ChDC B353, was isolated from human postoperative maxillary cyst. The 16S ribosomal RNA gene (16S rDNA) sequence of the strain was most closely related to those of Streptococcus pseudopneumoniae ATCC BAA-960 (99.4%), Streptococcus mitis NCTC 12261 (99.
View Article and Find Full Text PDFA novel Gram-negative, obligately anaerobic, non-motile, non-spore forming, and rod-shaped bacterium, designated strain JS262, was isolated from human subgingival plaque of periodontitis lesion and was characterized by polyphasic taxonomic analysis. Comparison of 16S ribosomal RNA gene (16S rDNA) sequence revealed that the strain belonged to the genus Prevotella. The percent similarity of 16S rDNA of strain JS262 was closest to those of Prevotella buccae ATCC 33574 (89.
View Article and Find Full Text PDFA Gram-stain-positive, oxidase- and catalase-positive motile, aerobic, and rod-shaped bacterial strain, designated as DCT-5, was isolated from a native plant belonging to the genus Campanula at Dokdo island, Republic of Korea. Growth of the strain DCT-5 was observed at 15-37°C (optimum 30°C) on R2A broth, pH 6.0-8.
View Article and Find Full Text PDFA novel facultative anaerobic and Gram-stain-positive coccus, designated strain ChDC F135, was isolated from human subgingival dental plaque of periodontitis lesion and was characterized by polyphasic taxonomic analysis. The 16S rRNA gene (16S rDNA) sequence of strain ChDC F135 was closest to that of Streptococcus sinensis HKU4 (98.2%), followed by Streptococcus intermedia SK54 (97.
View Article and Find Full Text PDFA novel facultative anaerobic, Gram-stain-negative coccus, designated strain ChDC B345, was isolated from human pericoronitis lesion and was characterized by polyphasic taxonomic analysis. The 16S ribosomal RNA gene (16S rDNA) sequence revealed that the strain belonged to the genus Streptococcus. The 16S rDNA sequence of strain ChDC B345 was most closely related to those of Streptococcus mitis NCTC 12261 (99.
View Article and Find Full Text PDFIn the present study, three strains (ChDC F213, ChDC F251, and ChDC F267) were classified as novel species of genus Fusobacterium based on average nucleotide identity (ANI) and genome-to-genome distance (GGD) analysis and chemotaxonomic characterization. 16S rDNA sequences of strains ChDC F213, ChDC F251, and ChDC F267 were highly similar to that of F. periodonticum ATCC 33693 (99.
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