Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 60 for “"E. faecalis"”.
-
Determination of the occurrence, virulence genes, and antimicrobial resistance profiles of enterococcus faecalis and enterococcus faecium isolated from poultry of Chongwe, Lusaka, Kitwe, and Ndola districts, farmworkers from the Copperbelt province poultry farms and clinical specimens from Kitwe teaching hospital in Zambia.
… resistance profiles of Enterococcus faecalis and Enterococcus faecium isolated from poultry of Chongwe, Lusaka, Kitwe, and Ndola Districts, Farmworkers from the Copperbelt Province Poultry Farms, and Clinical Specimens from Kitwe Teaching Hospital in Zambia. A total of 833 samples …
-
An In-Vitro Comparison of Microleakage With E. faecalis In Teeth With Root-End Fillings of Proroot MTA and Brasseler's EndoSequence Root Repair Putty
… to compare the microbial leakage of Enterococcus faecalis in teeth with root-end fillings using ProRoot MTA and Brasseler’s ERRM in a dual-chamber bacterial leakage model as described by Torabinejad and colleagues. The aim of this investigation was to compare the bacterial microleakage of these …
-
Development of a Flow Cytometry Method for the Identification and Enumeration of Enterococcus faecalis
… was developed to detect and quantify <em>E. faecalis</em> concentrations in coastal waters as an alternative to the traditional membrane filtration method. The developed method was used to characterize <em>E. faecalis </em>during batch growth and yielded consistent results across the various …
-
The frequency and characterization of streptococci in aerobic vaginitis (AV) and its association with pregnancy outcomes
… such as group B streptococci (GBS) and E. faecalis in pregnant women are regarded to be the leading cause of neonatal mortality and morbidity world-wide. The aim of the study was to detect the prevalence of AV and its associated bacteria with preterm delivery in the Western Cape, South …
-
MODELING REORGANIZATION OF PCF10-INDUCED COMPLEX STRUCTURES IN ENTEROCOCCUS FAECALIS UNDER ERYTHROMYCIN TREATMENT
… we look at the bacterium Enterococcus faecalis. E. faecalis is a gram-positive, commensal bacterium commonly found in the human gastrointestinal tract. Generally, commensal E. faecalis does not negatively impact human health, but pathogenic features can be acquired by this bacterium by …
-
Evaluating The Impact of Post-Translational Modifications By The Secreted Zinc Metalloprotease, Gele, On The Major Autolysin of E. Faecalis, Atla, and A Stress-Induced Protein, Salb
… is the major peptidoglycan hydrolase of <em>E. faecalis</em> involved in cell separation of dividing cells. SalB is a secreted stress-induced protein regulated by the CroRS system. In addition, these two proteins also appear to be affected by the virulence factor, gelatinase (GelE). GelE is a …
-
The essentiality of DivIVAEf oligomerization for proper cell division in enterococcus faecalis and interaction with a novel cell division protein
… biological function of DivIVAEf in Enterococcus faecalis cell division. Introduction of point mutations into chromosomal divIVAEf known to disrupt either the N-terminal coiled-coil or the two central coiled-coils, involved in oligomerization, were found to be lethal unless rescued by in trans …
-
Bakteriofagien eristys Aggregatibacter actinomycetemcomitansille
… myös A. actinomycetemcomitansia. Enterococcus faecalis kestää useita antibiootteja joko luonnostaan tai resistenttien kantojen kehittymisen ansiosta. E. faecalis aiheuttaa esimerkiksi virtsatieinfektioita, sepsistä, endokardiittia ja meningiittiä. Bakteriofageja on käytetty pitkään …
-
REDUCING ANTIMICROBIAL RESISTANCE RISKS AND ANTIBIOTIC USAGE IN DAIRY FARMING: MICROBIOLOGICAL INSIGHTS AND ALTERNATIVE STRATEGIES
… low antibiotic usage. The study found that E. faecalis exhibited high resistance to TET and ERY, with the tetM gene found in all isolates. The tetL gene was prevalent in E. faecalis (85% in environmental samples, 66% in milk) and rare in E. hirae (3.2%). The tetS gene was primarily in E. …
-
Attività del ceftobiprole contro Enterococcus faecalis; sviluppo della resistenza, interazione con molteplici proteine leganti la penicillina a bassa reattività (PBPs) e alterazioni della PBP4
… tra isolati clinici di Enterococcus faecalis è strettamente correlata alla overespressione e ad alterazioni della sequenza genica di una Penicillin-Binding Protein (PBP) a bassa affinità, nota come PBP4, nonché al più raro meccanismo di produzione di beta-lattamasi. Il …
-
In Vitro Evaluation of the Biolase ER,CR:YSGG Side-Firing Tip For Bacterial Biofilm Reduction and Smear Layer Removal in Root-End Cavity Preparation
… equipped with a side-firing tip on Enterococcus faecalis biofilm-contaminated retroprepared root-end surfaces. Methods Twenty-five extracted permanent maxillary central incisors were prepared, obturated, apically resected by 3 mm, and retroprepared to a standardized 3 mm depth. Specimens were …
-
The effects of concentration and treatment time on the residual antibacterial properties of DAP
… antibacterial properties of DAP in preventing E. faecalis biofilm formation on human dentin. Materials and Methods: Extracted human teeth were used to obtain 4x4mm radicular dentin specimens. Each specimen was pretreated for 1 or 4 weeks with the 77 clinically used concentration of DAP (500 …
-
Pharmacological Screening of Some Medicinal Plants as Antimicrobial and Feed Additives
… E. coli, S. typhimurium, E. faecium, and E. faecalis. Cinnamon extract (CE), at 130 mg/disk, exhibited antibacterial activity against E. coli, S. typhimurium, and E. faecalis. Thyme extract (TE), at 30 mg/disk, exhibited antibacterial activity against E. coli, E. faecium, and E. faecalis …
-
Comparative Efficacy of MUS System vs Er:YAG Laser System in Reducing Bacterial Biofilms in Root Canals
… The teeth were inoculated with Enterococcus faecalis and cultured for 21 days to develop biofilms. Biofilm formation in the canals was sampled and confirmed with confocal laser microscopy. After incubation, the samples were randomly divided into four groups (n=10): Standard Needle Irrigation …
-
Multiple Posttranscriptional Regulatory Features Control Expression of Ethanolamine Utilization Genes In Enterococcus Faecalis
<p> <p><em>Enterococcus faecalis</em> is a Gram-positive bacterium that lives as a commensal organism in the mammalian gastrointestinal tract, but can behave as an opportunistic pathogen. Our lab discovered that mutation of the <em>eutK</em> gene attenuates virulence of <em>E. faecalis</em> in the …
-
Potential Roles of Peroxidases In Caenorhabditis Elegans Innate Immunity
… in the host immune response to <em>Enterococcus faecalis</em>. In particular, I focused on SKPO-1 (ShkT-containing peroxidase) and how it contributes to the host immune response with respect to BLI-3.</p> <p>By RNAi and <em>skpo-1</em> mutant analysis, I determined that SKPO-1 is involved in the …
-
Heme Peroxidase Hpx-2 Protects Caenorhabditis Elegans From Pathogens
… against the human pathogen<em> Enterococcus faecalis,</em> likely functioning in conjunction with each other. However, the exact mechanism(s) by which peroxidases and NOX/DUOXs contribute to pathogen resistance remain unclear. Here, we demonstrated that another peroxidase, HPX-2 …
-
Characterization of the effects of regulators PrgY and PrgZ on the inducibility of plasmid pCF10 in Enterococcus faecalis
Enterococcus faecalis is an increasingly significant pathogenic bacterium in humans, as well as a commensal member of the intestinal flora. Pheromone-responsive plasmid systems play an important role in the dissemination of antibiotic resistance among this and other species. pCF10 is a …
-
Influência da irradiação com lasers de alta potência na microinfiltração bacteriana e fúngica em dentes humanos retrobturados com MTA
… study evaluated lhe microleakage of E. faecalis and C. albicans in roots whose ressected apical surfaces and retrocavities had suffered irradiation from Nd:YAG, Diode 810 nm and Er,Cr:YSGG lasers, and later retrofiled with MTA. Seventy roots had been prepared, obturated, had suffered …
-
Molecular Mechanisms of Antimicrobial Resistance In Multi-Drug Resistant Enterococci
… infections. DAP resistance (DAP-R) in <em>E. faecalis </em>is mediated by CM phospholipid alterations. Emergence of DAP-R often leads to b-lactam resensitization, a phenomenon called the seesaw effect. The molecular mechanism of DAP-R and the seesaw effect are unknown. Here we show that LiaX …
Page 1 of 3