A Visual Assay of a Loop-Mediated Isothermal Amplification Based Vertical Immunoassay for SARS-CoV-2 RNA Detection
SARS-CoV-2 is a novel coronavirus that has caused a global pandemic. To date, 504,907,616 people have been infected and developed coronavirus disease 2019 (COVID-19). A rapid and simple diagnostic method is needed to control this pandemic. In this study, a visual nucleic acid detection method combin...
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Format: | Article |
Language: | English |
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Frontiers Media S.A.
2022-07-01
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Series: | Frontiers in Microbiology |
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Online Access: | https://www.frontiersin.org/articles/10.3389/fmicb.2022.932698/full |
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author | Mengtao Yu Pei Huang Yuanguo Li Yumeng Song Xingqi Liu Na Feng Hongli Jin Yujie Bai Haili Zhang Yuanyuan Li Xianzhu Xia Yuwei Gao Hualei Wang |
author_facet | Mengtao Yu Pei Huang Yuanguo Li Yumeng Song Xingqi Liu Na Feng Hongli Jin Yujie Bai Haili Zhang Yuanyuan Li Xianzhu Xia Yuwei Gao Hualei Wang |
author_sort | Mengtao Yu |
collection | DOAJ |
description | SARS-CoV-2 is a novel coronavirus that has caused a global pandemic. To date, 504,907,616 people have been infected and developed coronavirus disease 2019 (COVID-19). A rapid and simple diagnostic method is needed to control this pandemic. In this study, a visual nucleic acid detection method combining reverse transcription loop-mediated isothermal amplification and a vertical flow visualization strip (RT-LAMP-VF) was successfully established and could detect 20 copies/μl of SARS-CoV-2 RNA transcript within 50 min at 61°C. This assay had no cross-reactivity with a variety of coronaviruses, including human coronavirus OC43, 229E, HKU1, NL63, severe acute respiratory syndrome-related coronavirus (SARSr-CoV), Middle East respiratory syndrome coronavirus (MERS-CoV), and bat coronavirus HKU4, exhibiting very high levels of diagnostic sensitivity and specificity. Most strikingly, this method can be used for detecting multiple SARS-CoV-2 variants, including the Wuhan-Hu-1 strain, Delta, and Omicron variants. Compared with the RT-qPCR method recommended by the World Health Organization (WHO), RT-LAMP-VF does not require special equipment and is easy to perform. As a result, it is more suitable for rapid screening of suspected SARS-CoV-2 samples in the field and local laboratories. |
first_indexed | 2024-04-12T08:50:17Z |
format | Article |
id | doaj.art-29239715e730473d863917d86a0a3a9d |
institution | Directory Open Access Journal |
issn | 1664-302X |
language | English |
last_indexed | 2024-04-12T08:50:17Z |
publishDate | 2022-07-01 |
publisher | Frontiers Media S.A. |
record_format | Article |
series | Frontiers in Microbiology |
spelling | doaj.art-29239715e730473d863917d86a0a3a9d2022-12-22T03:39:36ZengFrontiers Media S.A.Frontiers in Microbiology1664-302X2022-07-011310.3389/fmicb.2022.932698932698A Visual Assay of a Loop-Mediated Isothermal Amplification Based Vertical Immunoassay for SARS-CoV-2 RNA DetectionMengtao Yu0Pei Huang1Yuanguo Li2Yumeng Song3Xingqi Liu4Na Feng5Hongli Jin6Yujie Bai7Haili Zhang8Yuanyuan Li9Xianzhu Xia10Yuwei Gao11Hualei Wang12State Key Laboratory for Zoonotic Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, ChinaState Key Laboratory for Zoonotic Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, ChinaChangchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, ChinaState Key Laboratory for Zoonotic Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, ChinaState Key Laboratory for Zoonotic Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, ChinaChangchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, ChinaState Key Laboratory for Zoonotic Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, ChinaState Key Laboratory for Zoonotic Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, ChinaState Key Laboratory for Zoonotic Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, ChinaState Key Laboratory for Zoonotic Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, ChinaChangchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, ChinaChangchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, ChinaState Key Laboratory for Zoonotic Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, ChinaSARS-CoV-2 is a novel coronavirus that has caused a global pandemic. To date, 504,907,616 people have been infected and developed coronavirus disease 2019 (COVID-19). A rapid and simple diagnostic method is needed to control this pandemic. In this study, a visual nucleic acid detection method combining reverse transcription loop-mediated isothermal amplification and a vertical flow visualization strip (RT-LAMP-VF) was successfully established and could detect 20 copies/μl of SARS-CoV-2 RNA transcript within 50 min at 61°C. This assay had no cross-reactivity with a variety of coronaviruses, including human coronavirus OC43, 229E, HKU1, NL63, severe acute respiratory syndrome-related coronavirus (SARSr-CoV), Middle East respiratory syndrome coronavirus (MERS-CoV), and bat coronavirus HKU4, exhibiting very high levels of diagnostic sensitivity and specificity. Most strikingly, this method can be used for detecting multiple SARS-CoV-2 variants, including the Wuhan-Hu-1 strain, Delta, and Omicron variants. Compared with the RT-qPCR method recommended by the World Health Organization (WHO), RT-LAMP-VF does not require special equipment and is easy to perform. As a result, it is more suitable for rapid screening of suspected SARS-CoV-2 samples in the field and local laboratories.https://www.frontiersin.org/articles/10.3389/fmicb.2022.932698/fullSARS-CoV-2reverse transcription loop-mediated isothermal amplificationdetectionvisualizationvariants |
spellingShingle | Mengtao Yu Pei Huang Yuanguo Li Yumeng Song Xingqi Liu Na Feng Hongli Jin Yujie Bai Haili Zhang Yuanyuan Li Xianzhu Xia Yuwei Gao Hualei Wang A Visual Assay of a Loop-Mediated Isothermal Amplification Based Vertical Immunoassay for SARS-CoV-2 RNA Detection Frontiers in Microbiology SARS-CoV-2 reverse transcription loop-mediated isothermal amplification detection visualization variants |
title | A Visual Assay of a Loop-Mediated Isothermal Amplification Based Vertical Immunoassay for SARS-CoV-2 RNA Detection |
title_full | A Visual Assay of a Loop-Mediated Isothermal Amplification Based Vertical Immunoassay for SARS-CoV-2 RNA Detection |
title_fullStr | A Visual Assay of a Loop-Mediated Isothermal Amplification Based Vertical Immunoassay for SARS-CoV-2 RNA Detection |
title_full_unstemmed | A Visual Assay of a Loop-Mediated Isothermal Amplification Based Vertical Immunoassay for SARS-CoV-2 RNA Detection |
title_short | A Visual Assay of a Loop-Mediated Isothermal Amplification Based Vertical Immunoassay for SARS-CoV-2 RNA Detection |
title_sort | visual assay of a loop mediated isothermal amplification based vertical immunoassay for sars cov 2 rna detection |
topic | SARS-CoV-2 reverse transcription loop-mediated isothermal amplification detection visualization variants |
url | https://www.frontiersin.org/articles/10.3389/fmicb.2022.932698/full |
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