ArticleBiotechnology letters2024
Plant production of recombinant antigens containing the receptor binding domain (RBD) of two SARS-CoV-2 variants.
Article in Biotechnology letters, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Hydrophobin-Fused SARS-CoV-2 RBD production inFuture science OA · 2025Article
- Rapid and Cost-Effective Diagnostic Blot Assays Based on the Use of Plant-Produced Recombinant Antigens: Lessons Learned from the SARS-CoV-2 RBD Antigen.International journal of molecular sciences · 2025Article
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
objectivesThe aim of this work was to rapidly produce in plats two recombinant antigens (RBDw-Fc and RBDo-Fc) containing the receptor binding domain (RBD) of the spike (S) protein from SARS-CoV-2 variants Wuhan and Omicron as fusion proteins to the Fc portion of a murine IgG2a antibody constant region (Fc).
resultsThe two recombinant antigens were expressed in Nicotiana benthamiana plants, engineered to avoid the addition of N-linked plant-typical sugars, through vacuum agroinfiltration and showed comparable purification yields (about 35 mg/kg leaf fresh weight).
conclusionsTheir Western blotting and Coomassie staining evidenced the occurrence of major in planta proteolysis in the region between the RBD and Fc, which was particularly evident in RBDw-Fc, the only antigen bearing the HRV 3C cysteine protease recognition site. The two RBD N-linked glycosylation sites showed very homogeneous profiles free from plant-typical sugars, with the most abundant glycoform represented by the complex sugar GlcNAc
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