Practical use of tobravirus-based vector to produce SARS-CoV-2 antigens in plants.

"Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper."

"The authors would like to thank Dr. Alice Kazuko Inoue-Nagata and for the technical discussion. This study was supported by research grants from 10.13039/501100002322CAPES (grant number 88887.504570/2020-00), and FAP-DF (grant numbers 193.001532/2016 and 19300000525/2020-41). We would like to thank CAPES for the doctoral degree scholarship for IAA and the postdoctoral fellowship for BRC. We also acknowledge FAP-DF for the postdoctoral fellowship for PRVH. BMR and TN are recipients of research fellowships from 10.13039/501100003593CNPq 10.13039/501100003593. "