TY - RPRT TI - Natural isolate and recombinant SARS-CoV-2 rapidly evolve in vitro to higher infectivity through more efficient binding to heparan sulfate and reduced S1/S2 cleavage AU - Shiliaev, N. AU - Lukash, T. AU - Palchevska, O. AU - Crossman, D. K. AU - Green, T. J. AU - Crowley, M. AU - Frolova, E. I. AU - Frolov, I. PY - 2021 DO - 10.1101/2021.06.28.450274 UR - https://www.biorxiv.org/content/10.1101/2021.06.28.450274v1 ID - 10.1101/2021.06.28.450274 ER -