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The Importance of Accessory Protein Variants in the Pathogenicity of Sars-Cov-2 Publisher Pubmed



Hassan SS1 ; Choudhury PP2 ; Aljabali AAA4 ; Uhal BD5 ; Lundstrom K6 ; Rezaei N7, 32 ; Pizzol D8 ; Adadi P9 ; Lal A10 ; Soares A11 ; Mohamed Abd Elaziz T11, 12 ; Brufsky AM13 ; Azad GK14 ; Sherchan SP15 Show All Authors
Authors
  1. Hassan SS1
  2. Choudhury PP2
  3. Aljabali AAA4
  4. Uhal BD5
  5. Lundstrom K6
  6. Rezaei N7, 32
  7. Pizzol D8
  8. Adadi P9
  9. Lal A10
  10. Soares A11
  11. Mohamed Abd Elaziz T11, 12
  12. Brufsky AM13
  13. Azad GK14
  14. Sherchan SP15
  15. Baetasdacruz W16
  16. Takayama K17
  17. Serranoaroca A18
  18. Chauhan G19
  19. Palu G20
  20. Mishra YK21
  21. Barh D22, 23
  22. Santana Silva RJ24
  23. Andrade BS25
  24. Azevedo V23
  25. Goesneto A26
  26. Bazan NG27
  27. Redwan EM28
  28. Tambuwala M29
  29. Uversky VN30, 31

Source: Archives of Biochemistry and Biophysics Published:2022


Abstract

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. © 2022 Elsevier Inc.
1. Notable Sequence Homology of the Orf10 Protein Introspects the Architecture of Sars-Cov-2, International Journal of Biological Macromolecules (2021)
2. A Unique View of Sars-Cov-2 Through the Lens of Orf8 Protein, Computers in Biology and Medicine (2021)
3. Implications Derived From S-Protein Variants of Sars-Cov-2 From Six Continents, International Journal of Biological Macromolecules (2021)
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