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View article: <i>N</i> ‑(p‑Coumaroyl) serotonin mitigates inflammatory responses in lipopolysaccharide‑stimulated RAW264.7 cells and phorbol 12‑myristate 13‑acetate‑stimulated A549 cells through NF‑κB and MAPK inactivation
<i>N</i> ‑(p‑Coumaroyl) serotonin mitigates inflammatory responses in lipopolysaccharide‑stimulated RAW264.7 cells and phorbol 12‑myristate 13‑acetate‑stimulated A549 cells through NF‑κB and MAPK inactivation Open
Inflammation is a protective response of the body, but excessive inflammation can exacerbate conditions such as acute lung injury and asthma. N-(p-Coumaroyl) serotonin (CS) is known to have anti-inflammatory effects. The present study aime…
View article: Flagellimonas ulvae sp. nov. and Flagellimonas rhodophyticola sp. nov., isolated from marine algae
Flagellimonas ulvae sp. nov. and Flagellimonas rhodophyticola sp. nov., isolated from marine algae Open
Two Gram-stain-negative, strictly aerobic, non-motile, rod-shaped bacteria, designated strains S174ᵀ and W118ᵀ, were isolated from the marine green alga Ulva prolifera and the marine red alga Schizymenia dubyi , respectively, collected in …
View article: Pre‐Administration of <i>Akkermansia Muciniphila</i> Prevents the Development of Severe Acute Graft‐Versus‐Host Disease in Systemic Organs
Pre‐Administration of <i>Akkermansia Muciniphila</i> Prevents the Development of Severe Acute Graft‐Versus‐Host Disease in Systemic Organs Open
Acute graft‐versus‐host disease (aGvHD) remains a significant clinical challenge, with no optimal treatment despite advancements in medical science. This life‐threatening condition, characterized by multi‐organ involvement and high mortali…
View article: Lactiplantibacillus koreensis sp. nov. and Lactiplantibacillus kimchii sp. nov., isolated from kimchi, a traditional Korean fermented food
Lactiplantibacillus koreensis sp. nov. and Lactiplantibacillus kimchii sp. nov., isolated from kimchi, a traditional Korean fermented food Open
Two Gram-stain-positive, facultatively anaerobic, rod-shaped, and non-motile lactic acid bacterial strains, designated as strains CBA3605T and CBA3606T, were isolated from kimchi, a traditional Korean fermented food. Both strains were oxid…
View article: Identifying potential keystone bacterial species within the phycosphere of marine algae and unveiling their metabolic characteristics
Identifying potential keystone bacterial species within the phycosphere of marine algae and unveiling their metabolic characteristics Open
Metabolic interactions between microbiomes and algal hosts within the phycosphere of marine macroalgae are drawing increasing attention due to their roles in food webs, global nutrient cycles, industries, and their potential as food resour…
View article: Anti-Obesity Effects and Changes of Fecal Microbiome by Lactic Acid Bacteria from Grains in a High-Fat Diet Mouse Model
Anti-Obesity Effects and Changes of Fecal Microbiome by Lactic Acid Bacteria from Grains in a High-Fat Diet Mouse Model Open
Single three-lactic acid bacterial strains with anti-adipogenic effects in C3H10T1/2 cells and possessing beneficial probiotic properties were administered to mice fed a high-fat diet. Of the three strains, Lactiplantibacillus plantarum RP…
View article: Carotenoid-Producing <i>Qipengyuania algicola</i> sp. nov. and <i>Qipengyuania rhodophyticola</i> sp. nov., Isolated from Marine Algae, and Emended Description of the Genus <i>Qipengyuania</i> Xu <i>et al</i>. 2020
Carotenoid-Producing <i>Qipengyuania algicola</i> sp. nov. and <i>Qipengyuania rhodophyticola</i> sp. nov., Isolated from Marine Algae, and Emended Description of the Genus <i>Qipengyuania</i> Xu <i>et al</i>. 2020 Open
Two Gram-stain-negative, facultatively aerobic, non-motile, catalase- and oxidase-positive, rod-shaped bacteria, designated strains DGS2-2T (orange-pigmented) and DGS5-3T (yellow-pigmented), were isolated from marine red algae collected in…
View article: Staphylococcus parequorum sp. nov. and Staphylococcus halotolerans sp. nov., isolated from traditional Korean soybean foods
Staphylococcus parequorum sp. nov. and Staphylococcus halotolerans sp. nov., isolated from traditional Korean soybean foods Open
Strains Mo2-6T, S9, KG4-3T, and 50Mo3-2, identified as coagulase-negative, Gram-stain-positive, halotolerant, non-motile coccoid bacteria, were isolated from traditional Korean soybean foods. Strains Mo2-6T and S9 were both catalase- and o…
View article: Phycobium rhodophyticola gen. nov., sp. nov. and Aliiphycobium algicola gen. nov., sp. nov., isolated from the phycosphere of marine red algae
Phycobium rhodophyticola gen. nov., sp. nov. and Aliiphycobium algicola gen. nov., sp. nov., isolated from the phycosphere of marine red algae Open
Two Gram-stain-negative, strictly aerobic, non-motile, rod-shaped bacteria, designated D3-12ᵀ and G2-2ᵀ, were isolated from the phycosphere of marine red algae. Both strains exhibited catalase- and oxidase-positive activities. Strain D3-12…
View article: Metagenomic and meta-metabolomic analysis of traditional Korean rice vinegar productions shows a large variability between producers
Metagenomic and meta-metabolomic analysis of traditional Korean rice vinegar productions shows a large variability between producers Open
Cereal vinegars have been used for thousands of years, especially in Asian countries. These vinegars are still produced in a traditional way by a spontaneous, consecutive, alcoholic and acetic acid fermentation process in open vats under n…
View article: Anti-Obesity Effects and Changes of Fecal Microbiome by Lactic Acid Bacteria from Grains in a High-Fat Diet Mouse Model
Anti-Obesity Effects and Changes of Fecal Microbiome by Lactic Acid Bacteria from Grains in a High-Fat Diet Mouse Model Open
Background/Objectives: Probiotics may be a promising strategy for treating metabolic disorders and obesity. This study aims to explore useful lactic acid bacteria with anti-obesity effects from grains. Methods: Three lactic acid bacterial …
View article: LasB activation in Pseudomonas aeruginosa: Quorum sensing-mediated release of an auto-activation inhibitor
LasB activation in Pseudomonas aeruginosa: Quorum sensing-mediated release of an auto-activation inhibitor Open
Pseudomonas aeruginosa secretes three major proteases: elastase B (LasB), protease IV (PIV), and elastase A (LasA), which play crucial roles in infection and pathogenesis. These proteases are activated sequentially from LasB in a proteolyt…
View article: Genome-based exploration of volatile flavor diversity from food yeast species
Genome-based exploration of volatile flavor diversity from food yeast species Open
Yeast shares a longer than 10 000-year history with humans in food fermentation by producing various volatile flavor compounds that contribute to the final taste and aroma of foods. Yeast-associated volatile flavor compounds include esters…
View article: Roseovarius phycicola sp. nov. and Roseovarius rhodophyticola sp. nov., isolated from marine red algae
Roseovarius phycicola sp. nov. and Roseovarius rhodophyticola sp. nov., isolated from marine red algae Open
Two Gram-stain-negative, strictly aerobic, non-motile, rod-shaped bacteria, designated as strains S88 T and W115 T , exhibiting catalase- and oxidase-positive reactions, were isolated from marine red algae in South Korea. Strain S88 T exhi…
View article: Expanding the <i>β</i>‐Lactamase Family in the Human Microbiome
Expanding the <i>β</i>‐Lactamase Family in the Human Microbiome Open
β ‐lactams, the most common antibiotics globally, have resistance primarily determined by β ‐lactamases. Human microbiota and β ‐lactams influence mutually; however, β ‐lactamase variety and abundance in the human microbiome remain partial…
View article: Yoonia algicola sp. nov., Yoonia rhodophyticola sp. nov. and Yoonia phaeophyticola sp. nov., isolated from marine algae
Yoonia algicola sp. nov., Yoonia rhodophyticola sp. nov. and Yoonia phaeophyticola sp. nov., isolated from marine algae Open
Three Gram-stain-negative, strictly aerobic, non-motile, oxidase- and catalase-positive, short-rod-shaped bacteria, designated as strains G8-12 T , SS1-5 T and BS5-3 T , were isolated from marine algae in South Korea. Strain G8-12 T exhibi…
View article: Gut microbiome therapy: fecal microbiota transplantation vs live biotherapeutic products
Gut microbiome therapy: fecal microbiota transplantation vs live biotherapeutic products Open
The human intestine hosts a complex ecosystem of various microorganisms, collectively known as the gut microbiome, which significantly impacts human health. Disruptions in the gut microbiome are linked to various disorders, including gastr…
View article: STAGER checklist: Standardized testing and assessment guidelines for evaluating generative artificial intelligence reliability
STAGER checklist: Standardized testing and assessment guidelines for evaluating generative artificial intelligence reliability Open
Generative artificial intelligence (AI) holds immense potential for medical applications, but the lack of a comprehensive evaluation framework and methodological deficiencies in existing studies hinder its effective implementation. Standar…
View article: Polaribacter ponticola sp. nov., isolated from seawater, reclassification of Polaribacter undariae as a later heterotypic synonym of Polaribacter sejongensis, and emended description of Polaribacter sejongensis Kim et al. 2013
Polaribacter ponticola sp. nov., isolated from seawater, reclassification of Polaribacter undariae as a later heterotypic synonym of Polaribacter sejongensis, and emended description of Polaribacter sejongensis Kim et al. 2013 Open
A Gram-stain-negative, yellow-pigmented, and strictly aerobic bacterium, designated as strain MSW5 T , was isolated from seawater of the Yellow Sea in South Korea. The cells were non-motile rods exhibiting oxidase- and catalase-positive ac…
View article: Psychrosphaera algicola sp. nov. and Paraglaciecola algarum sp. nov., and reclassification of Pseudoalteromonas elyakovii, Pseudoalteromonas flavipulchra, and Pseudoalteromonas profundi as later heterotypic synonyms of P. distincta, P. maricaloris, and P. gelatinilytica
Psychrosphaera algicola sp. nov. and Paraglaciecola algarum sp. nov., and reclassification of Pseudoalteromonas elyakovii, Pseudoalteromonas flavipulchra, and Pseudoalteromonas profundi as later heterotypic synonyms of P. distincta, P. maricaloris, and P. gelatinilytica Open
Two Gram-negative, obligately aerobic, rod-shaped bacteria, strains G1-22 T and G1-23 T , were isolated from the phycosphere of a marine brown alga. Both strains exhibited catalase- and oxidase-positive activities. Strain G1-22 T displayed…
View article: Fermentative metabolic features of doenjang-meju as revealed by genome-centered metatranscriptomics
Fermentative metabolic features of doenjang-meju as revealed by genome-centered metatranscriptomics Open
Fermentative features of doenjang-meju, a traditional Korean soybean brick, were investigated over 45 days via genome-centered metatranscriptomics. The pH value rapidly decreased within 10 days and successively increased after 20 days, alo…
View article: Chitinophaga pollutisoli sp. nov., isolated from contaminated sediment
Chitinophaga pollutisoli sp. nov., isolated from contaminated sediment Open
A Gram-stain-negative, yellow-pigmented, and facultatively aerobic bacterium, designated strain GPA1 T , was isolated from plastic waste landfill soil in the Republic of Korea. The cells were non-motile short rods exhibiting oxidase-negati…
View article: STAGER checklist: Standardized testing and assessment guidelines for evaluating generative artificial intelligence reliability
STAGER checklist: Standardized testing and assessment guidelines for evaluating generative artificial intelligence reliability Open
Generative artificial intelligence (AI) holds immense potential for medical applications, but the lack of a comprehensive evaluation framework and methodological deficiencies in existing studies hinder its effective implementation. Standar…
View article: Shewanella phaeophyticola sp. nov. and Vibrio algarum sp. nov., isolated from marine brown algae
Shewanella phaeophyticola sp. nov. and Vibrio algarum sp. nov., isolated from marine brown algae Open
Two Gram-stain-negative, rod-shaped bacteria, designated as strains KJ10-1 T and KJ40-1 T , were isolated from marine brown algae. Both strains were catalase-positive, oxidase-positive, and facultative aerobic. Strain KJ10-1 T exhibited op…
View article: Metabolic relationships between marine red algae and algae-associated bacteria
Metabolic relationships between marine red algae and algae-associated bacteria Open
Mutualistic interactions between marine phototrophs and associated bacteria are an important strategy for their successful survival in the ocean, but little is known about their metabolic relationships. Here, bacterial communities in the a…