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Evaluation of PMA‐qPCR methodology to detect and quantify viable Shiga toxin‐producing Escherichia coli in beef burgers
Rey, Maria De Los Angeles; Cap, Mariana; Favre, Leonardo Cristian; Rodriguez, Anabel; Dus Santos, Maria Jose; Vaudagna, Sergio Ramon; Mozgovoj, Marina Valeria (2021-02-06)Propidium monoazide (PMA) is a selective nucleic acid intercalating dye that can be combined with real‐time PCR (qPCR) in order to evaluate cell viability in food samples. The aim of the present work was to evaluate PMA‐qPCR ... -
Viral load in symptomatic and asymptomatic patients infected with SARS-CoV-2. What have we learned?
Mozgovoj, Marina Valeria; Dieder Graham, Merceder; Ferrufino, Cecilia; Blanc, Sofia; Fernandez Souto, Adriana; Pilloff, Marcela; Dus Santos, Maria Jose (Elsevier, 2023-11)Asymptomatic and presymptomatic patients played a critical role in the maintenance and spread of infection during COVID pandemic. However, conflicting views about the infectiousness of asymptomatic patients have been ... -
Wastewater surveillance of enteric viruses in eastern Argentina: High rates of detection and first report of NoV GI.5 and GII.20
Frydman, Camila Ayelén; Miño, Samuel; Iglesias, Néstor Gabriel; Carballeda, Juan Manuel; Simari, Milagros Belén; Pisano, María Belén; Dus Santos, Maria Jose; Mozgovoj, Marina Valeria (Elsevier, 2024-04)Individuals infected with enteric viruses excrete them in their feces for an extended period, whether symptomatic or asymptomatic. This characteristic, combined with the capability of these viruses to persist in the ...