The importance of accessory protein variants in the pathogenicity of SARS-CoV-2.
ORF10
ORF3a
ORF6
ORF7a
ORF7b
ORF8
Pathogenicity
SARS-CoV-2
Journal
Archives of biochemistry and biophysics
ISSN: 1096-0384
Titre abrégé: Arch Biochem Biophys
Pays: United States
ID NLM: 0372430
Informations de publication
Date de publication:
15 03 2022
15 03 2022
Historique:
received:
02
11
2021
revised:
15
01
2022
accepted:
17
01
2022
pubmed:
28
1
2022
medline:
15
2
2022
entrez:
27
1
2022
Statut:
ppublish
Résumé
The coronavirus disease 2019 (COVID-19) is caused by the Severe Acute Respiratory Syndrome Coronavirus-2 (SARS- CoV-2) with an estimated fatality rate of less than 1%. The SARS-CoV-2 accessory proteins ORF3a, ORF6, ORF7a, ORF7b, ORF8, and ORF10 possess putative functions to manipulate host immune mechanisms. These involve interferons, which appear as a consensus function, immune signaling receptor NLRP3 (NLR family pyrin domain-containing 3) inflammasome, and inflammatory cytokines such as interleukin 1β (IL-1β) and are critical in COVID-19 pathology. Outspread variations of each of the six accessory proteins were observed across six continents of all complete SARS-CoV-2 proteomes based on the data reported before November 2020. A decreasing order of percentage of unique variations in the accessory proteins was determined as ORF3a > ORF8 > ORF7a > ORF6 > ORF10 > ORF7b across all continents. The highest and lowest unique variations of ORF3a were observed in South America and Oceania, respectively. These findings suggest that the wide variations in accessory proteins seem to affect the pathogenicity of SARS-CoV-2.
Identifiants
pubmed: 35085577
pii: S0003-9861(22)00009-1
doi: 10.1016/j.abb.2022.109124
pmc: PMC8785432
pii:
doi:
Substances chimiques
ORF3a protein, SARS-CoV-2
0
ORF6 protein, SARS-CoV-2
0
ORF7a protein, SARS-CoV-2
0
ORF7b protein, SARS-CoV-2
0
ORF8 protein, SARS-CoV-2
0
Viral Proteins
0
Viroporin Proteins
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
109124Informations de copyright
Copyright © 2022 Elsevier Inc. All rights reserved.
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