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Antimicrobial Property of $(+)-Lyoniresinol-3{alpha}-O-eta-D-Glucopyranoside$ Isolated From the Root Bark of Lycium chinense Miller Against Human Pathogenic Microorganisms
Lee. Dong Gun, Jung. Hyun Jun, Woo. Eun-Rhan 대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 6 Pages
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 2005, Vol.28 No.9 1031-1036 (6 pages)
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Pathotyping avian pathogenic Escherichia coli strains in Korea
Yong-Wun Jeong, Tae-Eun Kim, Jae-Hong Kim*, Hyuk-Joon Kwon* 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2012, 제 13권 제 2호 5 145-152 (8 pages)
The B2 group is closely related to human extra-intestinal pathogenic E. coli (ExPEC), and is frequently found among human uropathogenic and neonatal meningitis E. coli strains [4,22]. Therefore, further studies on the correlation between B2 group APEC isolates and human ExPEC strains may be valuable for examining zoonosis potential. Recently, we identified mutations in yjaA.1 (the fifth C... To examine the genetic background of avian pathogenic Escherichia coli (APEC) that affects virulence of this microorganism, we characterized the virulence genes of 101 APEC strains isolated from infected chickens between 1985∼2005. Serotypes were determined with available anti-sera and median lethal doses were determined in subcutaneously inoculated chicks. The virulence genes we tested included ones encoding type 1 fimbriae (fimC), iron uptake-related (iroN, irp2, iucD, and fyuA), toxins (lt,... -
Analysis of Salmonella enterica serotype Enteritidis isolated from human and chickens by repetitive sequence-PCR fingerprinting, antibiotic resistance and plasmid profiles
Dong Kyun Suh, Jae Chan Song 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2006, 제 7권 제 1호 6 37-41 (5 pages)
of various microorganisms should enable rapid identification of bacterial species and strains, and were also useful for the analysis of prokaryotic genomes [23]. In this study, 22 S. Enteritidis isolated from human and chicken were fingerprinted by repetitive sequence PCR (rep-PCR) using ERIC and BOX primers to assess genetic relationships between strains of S. Enteritidis from different sources.... A total of 22 Salmonella enterica serotype Enteritidis (S. Enteritidis)strains isolated from human and chicken were subjected to DNA fingerprinting by repetitive sequence PCR using ERIC and BOX primers, antibiotic resistance and plasmid patterns.Both ERIC and BOX PCR amplification data revealed a highly genetic homogeneity between isolates from human and chicken except one isolate, which originated from chicken and showed a different DNA band pattern from others.Eleven of 22 S. Enteritidis... -
Bacterial PAMPs and Allergens Trigger Increase in [Ca2+]i-induced Cytokine Expression in Human PDL Fibroblasts
Ga-YeonSon, DongMinShin, JeongHeeHong 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2015, Vol.19 No.3 15 291-297 (7 pages)
in Human PDL Fibroblasts Ga-Yeon Son 1 , Dong Min Shin 1, *, and Jeong Hee Hong 2, * 1Department of Oral Biology, BK21 PLUS Project, Yonsei University College of Dentistry, Seoul 120-752, 2Department of Physiology, Gachon Graduate School of Medicine, Gachon University, Incheon 406-799, Korea An oral environment is constantly exposed to environmental factors and microorganisms. The periodontal... as these pathogenic mediators-induced effects on the intracellular Ca2+ signaling in human PDL fibroblasts. Moreover, we evaluated the expression of pro-inflammatory cytokines (interleukin (IL)-1β, IL-6, and IL-8) and bone remodeling mediators (receptor activator of NF-κB ligand and osteoprotegerin) and intracellular Ca2+-involved effect. Bacterial pathogens and allergic mediators induced increased expression of pro-inflammatory cytokines, and these results are dependent on intracellular Ca2+.... -
Peptidoglycan Induces the Production of Interleukin-8 via Calcium Signaling in Human Gingival Epithelium
AranSon, DongMinShin, JeongHeeHong 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2015, Vol.19 No.1 8 51-58 (8 pages)
peptidoglycan induces calcium signaling via the phospholipase C/inositol 1,4,5-trisphosphate pathway, and that increased interleukin-8 expression is mediated by intracellular calcium levels in human gingival epithelial cells. Key Words: Ca 2+ signaling, Cytokine, Human oral epithelial cells, Inflammation, Toll like receptors INTRODUCTION The oral cavity is continuously exposed to elements of... however, the exact mechanism of calcium signaling induced by bacterial toxins when gingival epithelial cells are exposed to pathogens is unclear. Here, we investigate calcium signaling induced by bacteria and expression of inflammatory cytokines in human gingival epithelial cells. We found that peptidoglycan, a constituent of gram- positive bacteria and an agonist of toll-like receptor 2, increases intracellular calcium in a concentra-tion-dependent manner. Peptidoglycan-induced calcium signali... -
Comparative Genomic Analysis of Pathogenic Factors of Pectobacterium Species Isolated in South Korea Using Whole-Genome Sequencing
Samnyu Jee, In-Jeong Kang, Gyeryeong Bak, Sera Kang, Jeongtae Lee, Sunggi Heu, Ingyu Hwang 한국식물병리학회 The Plant Pathology Journal 13 Pages
한국식물병리학회 The Plant Pathology Journal 2022, 38권 1호 2 12-24 (13 pages)
J., Taghouti, G., Dutrieux, C. and Barny, M. A. 2020. Updated taxonomy of Pectobacterium genus in the CIRM-CFBP bacterial collection: when newly described species reveal Old endemic population. Microorganisms 8:1441. Powell. S., Forslund, K., Szklarczyk, D., Trachana, K., Roth, A., Huerta-Cepas, J., Gabaldon, T., Rattei, T., Creevey, C., Kuhn. M., Jensen, L. J., von Mering, C. and Bork, P.... the low- est number in the extracellular PCWDEs. Six strains showed four subsets, and HC demonstrated three sub- sets, except hasDEF, in type I secretion system, while the type II secretion system of the seven strains was conserved. Components of human pathogens, such as Salmonella pathogenicity island 1 type type III secretion system (T3SS) and effectors, were identified in PZ1; T3SSa was not identified in HC. Two putative effectors, including hrpK, were identified in seven strains along with... -
Current Classification of the Bacillus pumilus Group Species, the Rubber- Pathogenic Bacteria Causing Trunk Bulges Disease in Malaysia as Assessed by MLSA and Multi rep-PCR Approaches
Ainur Ainiah Azman Husni, Siti Izera Ismail, Noraini Md. Jaafar, Dzarifah Zulperi 한국식물병리학회 The Plant Pathology Journal 15 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 3호 4 243-257 (15 pages)
biotechnology appli- cation, including phytosanitary-based products (Espariz et al., 2016; Ficarra et al., 2016; Handtke et al., 2014; Perez- Garcia et al., 2011; Shah Mahmud et al., 2015) and as human and animal probiotics bacteria (Hong et al., 2005). It is widely identified as a pathogen of various plants and human diseases (Yuan and Gao, 2015). Earlier reports revealed that B. pumilus is... formerly established as B. pumilus, were found not to be grouped with B. pumilus. However, being distributed within dis- tinctive groups of the B. pumilus group comprising of two clusters, A and B. Cluster A contained of 17 isolates close to B. altitudinis, whereas Cluster B consisted of three isolates attributed to B. safensis. This is the first MLSA and rep-PCR study on B. pumilus group, which provides an in-depth understanding of the diversity of these rubber-pathogenic isolates in Malaysia. -
Antifungal Activity of Paenibacillus kribbensis Strain T-9 Isolated from Soils against Several Plant Pathogenic Fungi
한국식물병리학회 The Plant Pathology Journal 7 Pages
한국식물병리학회 The Plant Pathology Journal 2014, 30권 1호 13 102-108 (7 pages)
of Paenibacillus kribbensis against Several Plant Pathogenic Fungi 107 as temperature, moisture, and soil physical and chemical characteristics, can greatly affect the interactions among plant, pathogen, and biocontrol agents in various ways, and all of these effects may influence the efficacy of biological control (Larkin and Fravel, 2002). On the other hand, enormous microorganisms exist in... The bacterial strain T-9, which shows strong antifungal activity, is isolated from the soils of Samcheok, Gangwondo and identified as Paenibacillus kribbensis according to morphological and taxonomic characteristics and 16S rRNA gene sequence analysis. The P. kribbensis strain T-9 strongly inhibits the growth of various phytopathogenic fungi including Botrytis cinerea, Colletotricum acutatum, Fusarium oxysporum f. sp. radicis-lycopersici, Magnaporthe oryzae, Phytophthora capsici, Rhizoctonia... -
Potential Roles of Essential Oils on Controlling Plant Pathogenic Bacteria Xanthomonas Species: A Review
한국식물병리학회 The Plant Pathology Journal 18 Pages
한국식물병리학회 The Plant Pathology Journal 2011, 27권 3호 2 207-224 (18 pages)
by a variety of pathogenic microorganisms present in their environments. Plant diseases caused by pathogenic bacteria significantly contribute to the overall loss in crop yield worldwide (Montesinos, 2007; Savary et al., 2006). In an effort to combat diseases, plants have devised various mechanisms to fend off microbial invaders. Despite the existence of defense mechanisms, a major difficulty... Diseases caused by plant pathogenic bacteria constitute an emerging threat to global food security. Xanthomonas is a large genus of Gram-negative bacteria that cause disease in several host plants leading to considerable losses in productivity and quality of harvests. Despite the ranges of controlling techniques available, the microbiological safety of economically important crops and crop plants including fruits and vegetables continues to be a major concern to the agriculture industry. On the... -
Original Article : rpoB gene sequencing for phylogenetic analysis of avian pathogenic Escherichia coli
Hyuk Joon Kwon , Won Jin Seong , Tae Eun Kim , Yong Jin Won , Jae Hong Kim 대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 9 Pages
대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 2015, 제 55권 제 1호 5 31-39 (9 pages)
a portable approach to the identification of clones within populations of pathogenic microorganisms. Proc Natl Acad Sci U S A 1998, 95, 3140-3145. 25. Manges AR, Johnson JR, Foxman B, O’Bryan TT, Fullerton KE, Riley LW. Widespread distribution of urinary tract infections caused by a multidrug-resistant Escherichia coli clonal group. N Engl J Med 2001, 345, 1007-1013. 26. Martinez JA, Soto S,...