Emergence of multiple variants of SARS-CoV-2 with signature structural changes

BioRxiv : the Preprint Server for Biology
D. BhowmikSandip Paul

Abstract

This study explores the divergence pattern of SARS-CoV-2 using whole genome sequences of the isolates from various COVID-19 affected countries. The phylogenomic analysis indicates the presence of at least four distinct groups of the SARS-CoV-2 genomes. The emergent groups have been found to be associated with signature structural changes in specific proteins. Also, this study reveals the differential levels of divergence patterns for the protein coding regions. Moreover, we have predicted the impact of structural changes on a couple of important viral proteins via structural modelling techniques. This study further advocates for more viral genetic studies with associated clinical outcomes and hosts response for better understanding of SARS-CoV-2 pathogenesis enabling better mitigation of this pandemic situation.

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