Evidence map›Paper›PMID 32685113›Full record

ArticleIranian journal of microbiology2020

Comparison five primer sets from different genome region of COVID-19 for detection of virus infection by conventional RT-PCR.

Hamid Reza Mollaei, Abass Aghaei Afshar, Davood Kalantar-Neyestanaki, Mehdi Fazlalipour, Behnaz Aflatoonian

Open access · diamondAbstract read
In one paragraph

Article in Iranian journal of microbiology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed, 1 pooled it
0.8field-weighted citation impact, top 16% 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

22 citing papers in PubMed, 1 synthesis or guideline pooled it, 38 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Article
  4. Article
  5. Review
  6. Review
  7. Article
  8. Article
  9. Article
  10. Miniaturized Real-Time PCR systems for SARS-CoV-2 detection at the Point-of-Care.Clinica chimica acta; international journal of clinical chemistry · 2022
    Review
  11. Review
  12. Research progress in laboratory detection of SARS-CoV-2.Irish journal of medical science · 2022
    Review
  13. Article
  14. Article
  15. Article
  16. Considerations about Reducing False-Negative PCR Test for COVID-19.International journal of MCH and AIDS · 2022
    Article
  17. Review
  18. Article
  19. rRT-PCR for SARS-CoV-2: Analytical considerations.Clinica chimica acta; international journal of clinical chemistry · 2021
    Review
  20. Review
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 2 institutions in 1 country.

Hamid Reza MollaeiTropical and Infectious Diseases Research Center, Kerman University of Medical Sciences, Kerman, Iran.
Abass Aghaei AfsharTropical and Infectious Diseases Research Center, Kerman University of Medical Sciences, Kerman, Iran.
Davood Kalantar-NeyestanakiMedical Mycology and Bacteriology Research Center, Kerman University of Medical Sciences, Kerman, Iran.
Mehdi FazlalipourDepartment of Arbovirus and Viral Hemorrhagic Fevers (National Ref Lab), Pasteur Institute of Iran (IPI), Tehran, Iran.
Behnaz AflatoonianTropical and Infectious Diseases Research Center, Kerman University of Medical Sciences, Kerman, Iran.
Kerman University of Medical Sciences · IRPasteur Institute of Iran · IR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND AND

objectivesThe new beta-coronavirus, which caused Severe Acute Respiratory Coronavirus-2 Syndrome (SARS-CoV-2), a major respiratory outbreak in Wuhan, China in December 2019, is now prevalent in many countries around the world. Identifying PCR-based viruses is a well-known and relatively stable protocol. Unfortunately, the high mutation rates may lead to widespread changes in viral nucleic acid sequences, and so using specific primers for PCR can be recommended. In this study, we evaluated the power of a conventional RT-PCR to detect SARS-CoV-2 RNA among the five set primer sets. MATERIALS AND

methodsThe five genomic regions of the Coronavirus SARS-2 virus including Nucleocapsids (N), Envelope (E), RNA depended RNA Polymerase (RdRp), ORF1ab and Spike (S) were selected for primer designing. A conventional RT-PCR was performed to compare sensitivity, specificity and other analytical characteristics of primers designed against two Real Time PCR commercial kits.

resultsThe result of the comparative analysis showed that the ORF1ab, N and RdRp primers had a sensitivity, specificity and positive predictive value higher than other primers. A significant difference in the analytical sensitivity between the studied primer sets in RT-PCR kits was observed.

conclusionIn this study, the ORF1ab, Nucleocapsid and RdRp regions have the best primers for identifying the SARS-CoV-2 RNA between different genes that have been suggested.

Indexed as

CoronavirusCOVID-19Reverse transcription-polymerase chain reactionSars-CoV-2Specific primer

Identifiers

PMID32685113
PMCPMC7340604
OpenAlexW3033975296

What OpenQuestion holds

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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.