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In this study, a rapid and sensitive method that combines ethidium bromide monoazide (EMA) staining with real-time loop-mediated isothermal amplification (Rti-LAMP) assay was tested in detecting and evaluating viable but non-culturable state (VBNC) Escherichia coli (E. coli) O157:H7 induced by low temperature. When 1.7 × 104 CFU/ml of E. coli O157:H7 was 3 cycles of freeze-thaw, the cells were all...
In this study, a rapid and sensitive method of real-time loop-mediated isothermal amplification (Rti-LAMP) assays was developed for quantification and discrimination of viable and heat-killed E. coli O157:H7 cells treated with low concentration of ethidium bromide monoazide (EMA). Four micrograms per milliliter of EMA was chosen as the optimal concentration which did not inhibit DNA amplification...
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