Possible role of accessory proteins in the viral replication for the 20I/501Y.V1 (B.1.1.7) SARS-CoV-2 variant

  1. Dimpal A. Nyayanit
  2. Prasad Sarkale
  3. Anita Shete-Aich
  4. Abhinendra Kumar
  5. Savita Patil
  6. Triparna Majumdar
  7. Shreekant Baradkar
  8. Pranita Gawande
  9. Sreelekshmy Mohandas
  10. Pragya D Yadav
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Abstract

The study investigates the replication cycle and transcriptional pattern of the B.1.1.7 variant. It was observed that the B.1.1.7 variant required a longer maturation time. The transcriptional response demonstrated higher expression of ORF6 and ORF8 compared to nucleocapsid transcript till the eclipse period which might influence higher viral replication. The number of infectious viruses titer is higher in the B.1.1.7, despite a lesser copy number than B.1, indicating higher infectivity.

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