Cited by 83SARS-CoV-2 and COVID-19 ResearchAnimal Virus Infections StudiesSARS-CoV-2 detection and testing

The SARS-CoV-2 ORF10 is not essential in vitro or in vivo in humans

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Pancer, Katarzyna, Milewska, Aleksandra, Owczarek, Katarzyna, Dabrowska, Agnieszka, Kowalski, Michał, Łabaj, Paweł P., Branicki, Wojciech, Sanak, Marek +1 more·2020·PLOS Pathogens

Published version of a preprint

Abstract

SARS-CoV-2 genome annotation revealed the presence of 10 open reading frames (ORFs), of which the last one (ORF10) is positioned downstream of the N gene. It is a hypothetical gene, which was speculated to encode a 38 aa protein. This hypothetical protein does not share sequence similarity with any other known protein and cannot be associated with a function. While the role of this ORF10 was proposed, there is growing evidence showing that the ORF10 is not a coding region. Here, we identified SARS-CoV-2 variants in which the ORF10 gene was prematurely terminated. The disease was not attenuated, and the transmissibility between humans was maintained. Also, in vitro , the strains replicated similarly to the related viruses with the intact ORF10. Altogether, based on clinical observation and laboratory analyses, it appears that the ORF10 protein is not essential in humans. This observation further proves that the ORF10 should not be treated as the protein-coding gene, and the genome annotations should be amended.

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  1. [1]Fields BN, Knipe DM, Howley PM. Fields virology. 6th ed Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins; 2013 1 online resource (2 volumes (xx, 2456, I– 82 pages)) p.

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Authors
Pancer, K., Milewska, A., Owczarek, K., Dabrowska, A., Kowalski, M., Łabaj, P. P., Branicki, W., Sanak, M., & Pyrc, K.
Affiliations
  • Narodowy Instytut Zdrowia Publicznego PZH – Państwowy Instytut Badawczy (PL)
  • Jagiellonian University (PL)
Corresponding author
  • Pancer, Katarzyna
  • Sanak, Marek
Venue
PLOS Pathogens
Published
2020-12-10
Volume
16
Issue
12
Pages
e1008959
ISSN
  • 1553-7366 (ISSN-L)
  • 1553-7374
OpenAlex
W3111804069
Cited by
83
References
15
Citations by year
2025: 2 · 2024: 2 · 2023: 14 · 2022: 26 · 2021: 33 · 2020: 6
FWCI
2.59
Type
journal article
Language
en
Open access
Locations
  • PLoS Pathogens (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Jagiellonian University Repository (Jagiellonian University) (submittedVersion, cc-by-nc-nd)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Ministerstwo Nauki i Szkolnictwa Wyższego (Subsidy for the research on the SARS-CoV-2.)
  • Narodowe Centrum Nauki (UMO-2017/27/B/NZ6/02488)
Topics
  • Health Sciences › Medicine › Infectious Diseases › SARS-CoV-2 and COVID-19 Research
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Animal Virus Infections Studies
  • Health Sciences › Medicine › Infectious Diseases › SARS-CoV-2 detection and testing
Keywords
SARS-CoV-2, ORF10, early termination, viral variants, viral replication, transmissibility, genome annotation, hypothetical protein, COVID-19 pandemic
MeSH terms
COVID-19, SARS-CoV-2, Adult, Female, Humans, Male, Middle Aged, Mutation, Poland, Viral Proteins, Virus Replication, Open Reading Frames, Genome, Viral, Codon, Nonsense, In Vitro Techniques

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