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Effect of conventional irrigation and photoactivated disinfection on Enterococcus faecalis in root canals: An in vitro study

Conclusions: NaOCl alone was not effective in eliminatingE. faecalis completely from the root canals. PAD compared to conventional irrigation showed the best results in removingE. faecalis from root canals.Balakrishna N, Moogi P, Kumar G V, Prashanth B R, Shetty NK, Rao KR. Effect of conventional irrigation and photoactivated disinfection onEnterococcus faecalis in root canals: Anin vitro study. J Conserv Dent 2017;20:125-8
Source: Dental Technology Blog - Category: Dentistry Source Type: news

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ConclusionsThe absence of ARGs investigated, the potential to antagonize pathogens and favorable growth and survival characteristics indicates that these autochthonous isolates have the potential to be considered probiotics, which will be studied in future in vivo experiments. Significance and Impact of StudyThe present study has demonstrated, for the first time, the normal microbiota in the A. gigas intestine during different life stages and the presence of LAB strains. It also demonstrated LAB antibiotic resistance and antagonistic behavior against pathogens isolated from the same fish.This article is protected by copyri...
Source: Journal of Applied Microbiology - Category: Microbiology Authors: Tags: Original Article Source Type: research
CONCLUSIONS This study reiterates the persistent dominance of rheumatic heart disease in the population studied and α − haemolytic Streptococci as the commonest responsible microorganism.
Source: Indian Heart Journal - Category: Cardiology Source Type: research
Conclusions: Our model-based estimates suggest that reducing pathogen prevalence and concentration in source manure would reduce the risk of AGI from exposure to manure irrigation, and that increasing the distance from irrigated manure (i.e., setbacks) and limiting irrigation to times of low wind speed may also reduce risk. https://doi.org/10.1289/EHP283 Received: 30 March 2016 Revised: 07 March 2017 Accepted: 13 March 2017 Published: 16 August 2017 Address Correspondence to M.A. Borchardt, USDA-ARS, 2615 Yellowstone Dr., Marshfield, WI 54449 USA. Telephone: 715-387-4943. Email: Mark.Borchardt@ars.usda.gov Supplement...
Source: EHP Research - Category: Environmental Health Authors: Tags: Research Source Type: research
AbstractA novel virulent bacteriophage named vB_EfaP_IME199 that specifically infectsEnterococcus faecium was isolated and characterized. Its optimal multiplicity of infection was 0.01, and it had a 30  minute outbreak period. High-throughput sequencing revealed that the phage has a dsDNA genome of 18,838 bp with 22 open reading frames. The genome has very low homology to all other bacteriophage sequences in the GenBank database. Run-off sequencing experiments confirmed that vB_EfaP_IME199 has s hort inverted terminal repeats. Phylogenetic analysis indicated that vB_EfaP_IME199 can be taxonomically classified as ...
Source: Archives of Virology - Category: Virology Source Type: research
Abstract BACKGROUND: Swab screening for vancomycin-resistant Enterococcus (VRE) is used to identify VRE carriers and thus prevent transmission of this organism. We tested whether screening results could have unintended benefits in predicting the vancomycin susceptibility of subsequent Enterococcus infections experienced by these patients. METHODS: We conducted a retrospective cohort study of all patients admitted to a large tertiary care hospital between 2010 and 2015 who underwent swab screening for VRE before experiencing an Enterococcus sterile-site infection. We derived test characteristics using the scre...
Source: cmaj - Category: General Medicine Authors: Tags: CMAJ Open Source Type: research
In this study, the two bacteriocins produced by E. durans 152 were characterized and identified as Dur 152A (an enterocin L50A derivative with two amino acid substitutions of I→M) and enterocin L50B. The bacteriocins were then partially purified and evaluated for inhibitory activity to L. monocytogenes in deli ham. Results revealed that at 400 AU/ml, the bacteriocins prevented growth of listeria in deli ham for at least 10 weeks at 8 °C and at least 30 days at 15 °C. For comparison, 500 ppm Nisin controlled listeria growth for up to 6 weeks at 8 °C and up t...
Source: Food Microbiology - Category: Food Science Authors: Tags: Food Microbiol Source Type: research
Publication date: October 2017 Source:Journal of Functional Foods, Volume 37 Author(s): Daniel Bravo, Ángela Peirotén, Inmaculada Álvarez, José Mª Landete Phytoestrogens are plant polyphenols similar to human estrogens. Isoflavones, ellagitanins, and lignans are metabolized by intestinal bacteria into equol, urolithins, and enterolignans, respectively, which are more bioavailable and bioactive, having beneficial effects on health. In this paper, we analysed the production of equol, 5-hydroxy-equol, enterodiol and enterolactone by 70 strains of Lactobacillus, Lactococcus and Enterococcus. E...
Source: Journal of Functional Foods - Category: Nutrition Source Type: research
Publication date: Available online 10 August 2017 Source:Journal of Cardiology Cases Author(s): Richard Szirt, George S. Youssef A 72-year-old Tongan female was admitted to our facility with dyspnea and refractory hypoxia. She became febrile and blood cultures were positive for Enterococcus faecalis. Transesophageal echocardiography was performed showing two large vegetations on the tricuspid valve causing severe regurgitation. The tricuspid regurgitant jet with the assistance of a large Chiari network was being directed across an ostium secundum atrial septal defect. This clinical scenario represented an unusual cause of...
Source: Journal of Cardiology Cases - Category: Cardiology Source Type: research
This article describes the validation of the peracetic acid and ethanol-based (PAAE) chemical sterilization process for allograft dermal tissues at the Musculoskeletal Transplant Foundation (MTF, Edison, NJ). The sterilization capability of the PAAE solution used during routine production of aseptically processed dermal tissue forms was determined based on requirements of relevant ISO standards, ISO 14161:2009 and ISO 14937:2009. The resistance of spores ofBacillus subtilis,Clostridium sporogenes,Mycobacterium terrae,Pseudomonas aeruginosa,Enterococcus faecium,and Staphylococcus aureus to the chemical sterilization process...
Source: Cell and Tissue Banking - Category: Stem Cells Source Type: research
El uso de agentes fitoter ápicos en las áreas de la salud tienen cada vez más realce debido a su capacidad antibacteriana y gran biocompatibilidad. Objetivo: Evaluar la acción antibacteriana de la Procaína al 2% más Cafeína y del Propóleo 40% sobre cepas de Enterococcus faecalis como coadyuvante en la irrigación en el tratamiento de conducto. Materiales y métodos: La muestra fue de 28 cajas Petri con medio de cultivo Agar sangre de cordero. Fueron sembradas cepas de Enterococcus faecalis ATCC 29212, en cada caja, fueron colocados sensidiscos en blancos e...
Source: Odontologia - Category: Dentistry Authors: Source Type: research
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