A Review of Isothermal Amplification Methods and Food-Origin Inhibitors against Detecting Food-Borne Pathogens

The isothermal amplification method, a molecular-based diagnostic technology, such as loop-mediated isothermal amplification (LAMP) and recombinase polymerase amplification (RPA), is widely used as an alternative to the time-consuming and labor-intensive culture-based detection method. However, food...

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Main Authors: Ye-Ji Moon, So-Young Lee, Se-Wook Oh
Format: Article
Language:English
Published: MDPI AG 2022-01-01
Series:Foods
Subjects:
Online Access:https://www.mdpi.com/2304-8158/11/3/322
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author Ye-Ji Moon
So-Young Lee
Se-Wook Oh
author_facet Ye-Ji Moon
So-Young Lee
Se-Wook Oh
author_sort Ye-Ji Moon
collection DOAJ
description The isothermal amplification method, a molecular-based diagnostic technology, such as loop-mediated isothermal amplification (LAMP) and recombinase polymerase amplification (RPA), is widely used as an alternative to the time-consuming and labor-intensive culture-based detection method. However, food matrices or other compounds can inhibit molecular-based diagnostic technologies, causing reduced detection efficiencies, and false-negative results. These inhibitors originating from food are polysaccharides and polyphenolic compounds in berries, seafood, and vegetables. Additionally, magnesium ions needed for amplification reactions can also inhibit molecular-based diagnostics. The successful removal of inhibitors originating from food and molecular amplification reaction is therefore proposed to enhance the efficiency of molecular-based diagnostics and allow accurate detection of food-borne pathogens. Among molecular-based diagnostics, PCR inhibitors have been reported. Nevertheless, reports on the mechanism and removal of isothermal amplification method inhibitors are insufficient. Therefore, this review describes inhibitors originating from food and some compounds inhibiting the detection of food-borne pathogens during isothermal amplification.
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spelling doaj.art-a2a30290a06c40488c4d2225f2d96dbd2023-11-23T16:28:58ZengMDPI AGFoods2304-81582022-01-0111332210.3390/foods11030322A Review of Isothermal Amplification Methods and Food-Origin Inhibitors against Detecting Food-Borne PathogensYe-Ji Moon0So-Young Lee1Se-Wook Oh2Department of Food and Nutrition, Kookmin University, Seoul 136-702, KoreaDepartment of Food and Nutrition, Kookmin University, Seoul 136-702, KoreaDepartment of Food and Nutrition, Kookmin University, Seoul 136-702, KoreaThe isothermal amplification method, a molecular-based diagnostic technology, such as loop-mediated isothermal amplification (LAMP) and recombinase polymerase amplification (RPA), is widely used as an alternative to the time-consuming and labor-intensive culture-based detection method. However, food matrices or other compounds can inhibit molecular-based diagnostic technologies, causing reduced detection efficiencies, and false-negative results. These inhibitors originating from food are polysaccharides and polyphenolic compounds in berries, seafood, and vegetables. Additionally, magnesium ions needed for amplification reactions can also inhibit molecular-based diagnostics. The successful removal of inhibitors originating from food and molecular amplification reaction is therefore proposed to enhance the efficiency of molecular-based diagnostics and allow accurate detection of food-borne pathogens. Among molecular-based diagnostics, PCR inhibitors have been reported. Nevertheless, reports on the mechanism and removal of isothermal amplification method inhibitors are insufficient. Therefore, this review describes inhibitors originating from food and some compounds inhibiting the detection of food-borne pathogens during isothermal amplification.https://www.mdpi.com/2304-8158/11/3/322molecular amplificationdetection methodfood metrixbacteriainhibition
spellingShingle Ye-Ji Moon
So-Young Lee
Se-Wook Oh
A Review of Isothermal Amplification Methods and Food-Origin Inhibitors against Detecting Food-Borne Pathogens
Foods
molecular amplification
detection method
food metrix
bacteria
inhibition
title A Review of Isothermal Amplification Methods and Food-Origin Inhibitors against Detecting Food-Borne Pathogens
title_full A Review of Isothermal Amplification Methods and Food-Origin Inhibitors against Detecting Food-Borne Pathogens
title_fullStr A Review of Isothermal Amplification Methods and Food-Origin Inhibitors against Detecting Food-Borne Pathogens
title_full_unstemmed A Review of Isothermal Amplification Methods and Food-Origin Inhibitors against Detecting Food-Borne Pathogens
title_short A Review of Isothermal Amplification Methods and Food-Origin Inhibitors against Detecting Food-Borne Pathogens
title_sort review of isothermal amplification methods and food origin inhibitors against detecting food borne pathogens
topic molecular amplification
detection method
food metrix
bacteria
inhibition
url https://www.mdpi.com/2304-8158/11/3/322
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