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Potential treatment approach to new COVID-19 variant Researchers in the United States have demonstrated a potential new approach to treating infection with the new variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) – the agent that causes coronavirus disease 2019 (COVID-19). The team used all-atom molecular dynamics to explore the mechanisms underlying the increased infectivity and spread of the recently emerged B.1.1.7 lineage that has been designated a variant of concern by Public Health England. The researchers showed that a mutation within B.1.1.7 increases the viru...

Now, an intriguing recent study appeared on the bioRxiv * preprint server describes the use of in vitro evolution to elicit affinity maturation of the viral receptor-binding domain (RBD) of the spike protein to bind the host cell angiotensin-converting enzyme 2 (ACE2) with greater affinity.