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Physicochemical Characterization of Gallstone Surfaces to Predict Their Interaction with Salmonella Typhi.
Curr Microbiol
January 2025
Industrial and Surface Engineering Laboratory, Bioprocess and Biointerfaces Team, Department of Life Sciences, Faculty of Sciences and Techniques, Sultan Moulay Slimane University, BP 523, 23000, Beni Mellal, Morocco.
Salmonella Typhi can adhere to and build biofilms on the surface of gallstones causing abnormal gallbladder mucosa, which could lead to carcinogenesis. The surface physicochemical properties of microbial cells and materials have been shown to play a crucial role in adhesion. Therefore, the purpose of this study was to investigate, for the first time, the surface properties of nine gallstones and to evaluate the influence of these parameters on the theoretical adhesion of S.
View Article and Find Full Text PDFPerformance of the PhoP (Rv0757/Mb0780) protein as diagnostic antigen for bovine tuberculosis.
Res Vet Sci
December 2024
Instituto Nacional de Tecnología Agropecuaria, Instituto de Agrobiotecnología y Biología Molecular (IB-IABiMo), UEDD INTA-CONICET, Hurlingham, Buenos Aires, Argentina; CONICET, Argentina. Electronic address:
Bovine tuberculosis (bTB), a global zoonotic disease, causes negative effects on human and animal health. PhoP protein is a key regulator of pathogenic phenotypes in members of the Mycobacterium tuberculosis complex, which includes the causative agent of bTB. Despite extensive research on this protein focused in deciphering its regulatory role, little was explored about it as a diagnostic antigen.
View Article and Find Full Text PDFMultimodal nanoenzyme-linked aptamer assay for Salmonella typhimurium based on catalysis and photothermal effect of PB@Au.
Mikrochim Acta
January 2025
Shandong Provincial Key Laboratory of Animal Resistance Biology, Key Laboratory of Food Nutrition and Safety of Shandong, College of Life Science, Normal University, Shandong Normal University, Jinan, 250014, People's Republic of China.
A composite nanomaterial of Prussian blue@gold nanoparticles (PB@Au) with catalytic and photothermal properties was proposed, which combined with anti-matrix interference aptamers to achieve robust specificity and sensitivity in the detection of Salmonella typhimurium (S. typhimurium). The detection probe, PB@Au-Aptamer (PB@Au-Apt), was designed to exhibit high specificity for the target and catalyze the signal generation to produce a color change, thereby enabling rapid detection.
View Article and Find Full Text PDFSardinian fermented sausage traditional production process: a preliminary survey in eight establishments.
Ital J Food Saf
November 2024
Department of Veterinary Medicine, University of Sassari.
This study aimed to conduct a preliminary investigation in eight Sardinian fermented sausage (SFS) production plants to acquire knowledge about the differences in the applied technological process and their influence on the safety and sensory characteristics of the finished product. Two audits were conducted in each plant to evaluate structural characteristics and process technologies; 72 samples of SFS at the end of seasoning and 48 environmental samples were analyzed. , spp.
View Article and Find Full Text PDFCompelling concerns about antimicrobial resistance and the emergence of multidrug-resistant pathogens call for novel strategies to address these challenges. Nanoparticles show promising antimicrobial activities; however, their actions are hindered primarily by the bacterial hydrophilic-hydrophobic barrier. To overcome this, we developed a method of electrochemically anchoring sodium dodecyl sulfate (SDS) coatings onto silver nanoparticles (AgNPs), resulting in improved antimicrobial potency.
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