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. 2020 Nov 27;11:589995. doi: 10.3389/fpls.2020.589995

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Copyright © 2020 Shanmugaraj, Rattanapisit, Manopwisedjaroen, Thitithanyanont and Phoolcharoen.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Binding of plant-produced monoclonal antibodies (mAbs) B38 and H4 to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) receptor binding domain (RBD) protein. The ability of the plant-produced mAbs to recognize RBD protein of SARS-CoV-2 was assessed by ELISA. The plant-produced mAbs B38 and H4, standard human immunoglobulin G (IgG)1, and plant-produced anti- PD1 antibody (as negative control) (Rattanapisit et al., 2019b) were incubated on plates coated with commercial SARS-CoV-2 RBD. The bound antibody was detected with a horseradish peroxidase (HRP)-conjugated anti-human kappa antibody. The data are the mean values of technical triplicates per concentration.