Targeted metagenomic recovery of coronaviruses from wildlife samples
Johnston, C. M.; Gunalan, V.; Baagoe, H. J.; Elmeros, M.; Fjederholt, E. T.; Quaade, M. L.; Hansen, M. J. S.; Lohse, L.; Rasmussen, T. B.
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Coronaviruses (CoVs) are diverse RNA viruses infecting a wide range of hosts, with significant implications for public health, animal production and welfare. Bats are key reservoirs of mammalian CoVs and have contributed to the emergence and circulation of several zoonotic viruses in a wildlife context, while mustelids represent important hosts at the human-animal interface, as highlighted by SARS-CoV-2 outbreaks in farmed mink. Using metagenomic next-generation sequencing, we screened bats and wild mustelids and recovered and characterized full-length CoV genomes. Building on previous findings in Danish wildlife, including alpha-CoVs and a MERS-related beta-CoV in bats, this study expands current knowledge of coronavirus diversity and evolution in wildlife, emphasizing their relevance for zoonotic emergence.
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