
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) recently emerged to cause widespread infections in humans. SARS-CoV-2 infections have been reported in the Kingdom of Saudi Arabia, where Middle East respiratory syndrome coronavirus (MERS-CoV) causes seasonal outbreaks with a case fatality rate of ~37 %. Here we show that there exists a theoretical possibility of future recombination events between SARS-CoV-2 and MERS-CoV RNA. Through computational analyses, we have identified homologous genomic regions within the ORF1ab and S genes that could facilitate recombination, and have analysed co-expression patterns of the cellular receptors for SARS-CoV-2 and MERS-CoV, ACE2 and DPP4, respectively, to identify human anatomical sites that could facilitate co-infection. Furthermore, we have investigated the likely susceptibility of various animal species to MERS-CoV and SARS-CoV-2 infection by comparing known virus spike protein–receptor interacting residues. In conclusion, we suggest that a recombination between SARS-CoV-2 and MERS-CoV RNA is possible and urge public health laboratories in high-risk areas to develop diagnostic capability for the detection of recombined coronaviruses in patient samples.
Gene Expression Regulation, Viral, Models, Molecular, Recombination, Genetic, Base Sequence, Coinfection, Protein Conformation, SARS-CoV-2, Receptors, Cell Surface, Genome, Viral, Host Specificity, Viral Proteins, Virology, Middle East Respiratory Syndrome Coronavirus, Animals, Humans, Phylogeny, Reassortant Viruses, Research Article
Gene Expression Regulation, Viral, Models, Molecular, Recombination, Genetic, Base Sequence, Coinfection, Protein Conformation, SARS-CoV-2, Receptors, Cell Surface, Genome, Viral, Host Specificity, Viral Proteins, Virology, Middle East Respiratory Syndrome Coronavirus, Animals, Humans, Phylogeny, Reassortant Viruses, Research Article
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