A rapid and colorimetric loop-mediated isothermal amplification (LAMP) based on HRP-mimicking molecular beacon for the detection of major 6 Listeria species in enoki mushroom
- Lee, Jeong-Eun; Kim, Sol-A; Mun, Hyoyoung; Kim, Se-Ri; Ha, Kwang-Soo; Shim, Won-Bo
- Issue Date
- ELSEVIER SCI LTD
- Colorimetric LAMP assay; Enoki mushroom; Listeria species; Rapid detection; Point-of-care; Molecular diagnostic technology
- FOOD CONTROL, v.133
- Journal Title
- FOOD CONTROL
- Since the contamination of Listeria species is considered as a serious problem in public health and food industries, a rapid, accurate, and easy-to-use detection method is highly demanded. The objective of this study is to develop a colorimetric loop-mediated isothermal amplification (cLAMP) assay using a molecular beacon for the rapid and sensitive detection of Listeria species in enoki mushroom. The detection limit of the method optimized at 59.7 degrees C for 6 Listeria species in buffer was all 1 x 10(0) CFU/mL, and the cLAMP was confirmed to be specific to 6 major Listeria species. The period required to complete the cLAMP was within 1 h. The cut-off value of the method for the artificially inoculated mushroom samples was 1 x 10(1) CFU/g. This study suggests that the cLAMP is expected to be used as a point-of-care molecular diagnostic technology because the method does not require any expensive instruments.
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- 농업생명과학대학 > 식품공학부 > Journal Articles
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