Evidence map›Paper›PMID 33479389›Full record

ArticleScientific reports2021

Development and comparison of novel multiple cross displacement amplification (MCDA) assays with other nucleic acid amplification methods for SARS-CoV-2 detection.

Laurence Don Wai Luu, Michael Payne, Xiaomei Zhang, Lijuan Luo, Ruiting Lan

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
1.2field-weighted citation impact, top 19% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

13 citing papers in PubMed, 21 citations in OpenAlex.

  1. Article
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  5. Review
  6. Aptamer-Based Strategies to Address Challenges in COVID-19 Diagnosis and Treatments.Interdisciplinary perspectives on infectious diseases · 2023
    Review
  7. Review
  8. Diagnostic techniques for COVID-19: A mini-review.Journal of virological methods · 2022
    Review
  9. Article
  10. Review
  11. Article
  12. Sensitive and visual identification ofFrontiers in cellular and infection microbiology · 2022
    Article
  13. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 1 institution in 1 country.

Laurence Don Wai LuuSchool of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW, Australia.ORCID 0000-0003-2516-2121
Michael PayneSchool of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW, Australia.
Xiaomei ZhangSchool of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW, Australia.
Lijuan LuoSchool of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW, Australia.
Ruiting LanSchool of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW, Australia. r.lan@unsw.edu.au.
UNSW Sydney · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The development of alternative isothermal amplification assays including multiple cross displacement amplification (MCDA) may address speed and portability limitations of real-time PCR (rt-PCR) methods for SARS-CoV-2 detection. We developed a novel SARS-CoV-2 MCDA assay and compared its speed and sensitivity to loop-mediated isothermal amplification (LAMP) and rt-PCR. Two MCDA assays targeting SARS-CoV-2 N gene and ORF1ab were designed. The fastest time to detection and sensitivity of MCDA was compared to LAMP and rt-PCR using DNA standards and transcribed RNA. For the N gene, MCDA was faster than LAMP and rt-PCR by 10 and 20 min, respectively with fastest time to detection at 5.2 min. rt-PCR had the highest sensitivity with the limit of detection at 10 copies/µl compared with MCDA (100 copies/µl) and LAMP (500 copies/µl). For ORF1ab, MCDA and LAMP had similar speed with fastest time to detection at 9.7 and 8.4 min, respectively. LAMP was more sensitive for ORF1ab detection with 50 copies/µl compared to MCDA (500 copies/µl). In conclusion, different nucleic acid amplification methods provide different advantages. MCDA is the fastest nucleic acid amplification method for SARS-CoV-2 while rt-PCR is the most sensitive. These advantages should be considered when determining the most suitable nucleic acid amplification methods for different applications.

Indexed as

Biological AssayClinical Laboratory TechniquesCoronavirus Nucleocapsid ProteinsCOVID-19COVID-19 TestingHumansMolecular Diagnostic TechniquesNucleic Acid Amplification TechniquesPhosphoproteinsPolyproteinsReal-Time Polymerase Chain ReactionSARS-CoV-2Sensitivity and SpecificityViral ProteinsCoronavirus Nucleocapsid Proteinsnucleocapsid phosphoprotein, SARS-CoV-2ORF1ab polyprotein, SARS-CoV-2PhosphoproteinsPolyproteinsViral Proteins

Identifiers

PMID33479389
PMCPMC7819982
OpenAlexW3125621821

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.