Corrigendum to General detection of Shiga toxin 2 and subtyping of Shiga toxin 1 and 2 in Escherichia coli using qPCR. Journal of Microbiological Methods 159 (2019) 51–55

Publication date: December 2019Source: Journal of Microbiological Methods, Volume 167Author(s): Shuai Zhi, Jonas Szelewicki, Kim Ziebell, Brendon Parsons, Linda Chui
Source: Journal of Microbiological Methods - Category: Microbiology Source Type: research

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ConclusionsOur results indicate a polyclonal dissemination of mcr-1.1 in the environment surrounding the first MCR-producing E. coli strain reported in Ecuador. Our findings support the idea of lateral dissemination of mcr-1.1 gene between unrelated E. coli isolates
Source: Journal of Global Antimicrobial Resistance - Category: Infectious Diseases Source Type: research
ConclusionsThe SE damaged the cell membrane, with the cytoplasm flowing out, disturbed the synthesis of total protein and phosphorus metabolism, and ultimately killed the bacteria.Graphical abstract
Source: Journal of Ethnopharmacology - Category: Drugs & Pharmacology Source Type: research
Authors: Abraham A, Ifeanyi SS, Muinah F, Ibidunni Oreoluwa BS, Coulibaly KJ, Adeyemi AI Abstract Infections caused by non-typhoidal Salmonella (NTS) are common around the world, with high morbidity and mortality rates recorded annually. Salmonella serovars harbor plasmids of various sizes which may play roles in antibiotic resistance and virulence. The aim of this study was to profile and determine the role of plasmids in ciprofloxacin resistance and virulence of Salmonella serovars. Using alkaline lysis method 25 NTS serovars from food animals and humans were assayed for plasmids. Isolates ability to resist healt...
Source: Pathogens and Global Health - Category: International Medicine & Public Health Tags: Pathog Glob Health Source Type: research
In this study, a light-addressable potentiometric sensor (LAPS) deposited with highly oriented ZnO nanorod arrays (NRAs) was used for the label-free detection of single-stranded bacterial DNA (ssDNA). A functional, sensitive surface for the detection of Escherichia coli (E. coli) O157:H7 DNA was prepared by the covalent immobilization of the specific probe single-stranded DNA (ssDNA) on the LAPS surface. The functional surface was exposed to solutions containing the target E. coli ssDNA molecules, which allowed for the hybridization of the target ssDNA with the probe ssDNA. The surface charge changes induced by the hybridi...
Source: Sensors - Category: Biotechnology Authors: Tags: Article Source Type: research
This study was aimed at determining the prevalence and genetic characteristics of Enterobacteriaceae with mcr-mediated colistin (CT) resistance in retail meat of different origins. Bacteria of the Enterobacteriaceae family carrying the mcr-1 gene were detected in 21% (18/86) of the examined samples, especially in turkey meat and liver originating from EU and non-EU countries (19%) and in rabbit meat imported from China (2%). The examined samples of the meat and liver of chicken and other poultry and of pork and beef were negative for the presence of bacteria carrying the mcr-1 to mcr-5 genes. A huge number of isolates belo...
Source: Frontiers in Microbiology - Category: Microbiology Source Type: research
A dangerous new E. coli outbreak is linked to Salinas, California, a city known as the Salad Bowl of the World. At least eight people in three states have become ill. It's not clear if these cases are linked to a recent, more widespread outbreak from contaminated romaine lettuce that sickened 102 people in 23 states. Jonathan Vigliotti reports.
Source: Health News: CBSNews.com - Category: Consumer Health News Source Type: news
Publication date: Available online 10 December 2019Source: Colloids and Surfaces B: BiointerfacesAuthor(s): Vahid Shirshahi, Seyed Nasrollah Tabatabaei, Shadie Hatamie, Reza SaberAbstractLateral flow immunoassay (LFA) is a well-known point-of-care technology for the detection of various analytes. However, low sensitivity and lack of quantitative results are some of its critical drawbacks. Here we report a photothermal enhanced lateral flow sensor on the basis of the photothermal properties of reduced graphene oxide (rGO) for the detection of E-coli O157:H7 as a model pathogen. The calibration curve of the photothermal meth...
Source: Colloids and Surfaces B: Biointerfaces - Category: Biochemistry Source Type: research
Publication date: February 2020Source: Phytochemistry Letters, Volume 35Author(s): Gamal A. Mohamed, Sabrin R.M. Ibrahim, Hani Z. AsfourAbstractTwo new diaryl ether derivatives [aspergillethers A (4) and B (5)] and five known metabolites [(22E,24R)-stigmasta-5,7,22-trien-3-β-ol (1), stigmasta-4,6,8(14),22-tetraen-3-one (2), orcinol (3), and butyrolactones I (6) and VI (7)] were separated from the endophytic fungus Aspergillus versicolor (Aspergillaceae) isolated from the roots of Pulicaria crispa Forssk (Asteraceae) growing in Saudi Arabia. The structures of these compounds were determined by various spectral techniqu...
Source: Phytochemistry Letters - Category: Chemistry Source Type: research
Publication date: 15 March 2020Source: Journal of Alloys and Compounds, Volume 817Author(s): Rui Guo, Aiguo Yan, Juanjuan Xu, Botao Xu, Tingting Li, Xuanwen Liu, Tingfeng Yi, Shaohua LuoAbstractBiVO4/CdS composites with different morphologies and mass ratios were successfully prepared via a facile deposition-precipitation method by adding different dispersants. Compared with spherical BiVO4 (BS), sheet-like BiVO4 nanoarrays (BA) showed higher (020) exposed areas, as confirmed by X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). X-ray photoelectron spectroscopy (XPS) re...
Source: Journal of Alloys and Compounds - Category: Chemistry Source Type: research
Publication date: January 2020Source: Journal of Photochemistry and Photobiology B: Biology, Volume 202Author(s): Rajasree Shanmuganathan, Felix LewisOscar, Sabarathinam Shanmugam, Nooruddin Thajuddin, Sulaiman Ali Alharbi, Naiyf S. Alharbi, Kathirvel Brindhadevi, Arivalagan PugazhendhiAbstractBacterial pathogenicity is becoming a major cause of morbidity and mortality around the globe. Researchers are tirelessly finding solutions to cure or prevent infections caused by bacterial pathogens. Nanotechnology is a fast-growing area of research, effectively influencing and preventing bacterial growth. Nanoparticles (NPs) of sil...
Source: Journal of Photochemistry and Photobiology B: Biology - Category: Speech-Language Pathology Source Type: research
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