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Copyright (c) 2024 Hailah M. Almohaimeed, Rasha Assiri, Waheeb S. Aggad
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
The undersigned hereby assign all rights, included but not limited to copyright, for this manuscript to CMB Association upon its submission for consideration to publication on Cellular and Molecular Biology. The rights assigned include, but are not limited to, the sole and exclusive rights to license, sell, subsequently assign, derive, distribute, display and reproduce this manuscript, in whole or in part, in any format, electronic or otherwise, including those in existence at the time this agreement was signed. The authors hereby warrant that they have not granted or assigned, and shall not grant or assign, the aforementioned rights to any other person, firm, organization, or other entity. All rights are automatically restored to authors if this manuscript is not accepted for publication.Generation of dengue 3 envelope domain III using tobacco mosaic virus-based vector system and its immunological response mouse model by generating anti-dengue virus antibodies
Corresponding Author(s) : Hailah M. Almohaimeed
Cellular and Molecular Biology,
Vol. 70 No. 9: Issue 9
Abstract
Producing recombinant proteins in plants has become a valuable alternative to traditional microbial or mammalian systems due to its cost-effectiveness, scalability, and ability to perform post-translational modifications. This study investigates the use of the Tobacco Mosaic Virus (TMV)-based vector system for producing the Dengue virus serotype 3 (DENV-3) envelope domain III (EDIII) protein in plants.. A fragment of the gene that encodes domain III of the dengue 3 envelope protein (D3EIII, comprising 300-420 amino acids), was effectively expressed within Nicotiana tabacum plants utilizing a transient expression system based on tobacco mosaic virus (TMV). The N-terminal 5' UTR region upstream of D3EIII notably enhanced protein yield in infected tissues. The produced recombinant protein exhibited reactivity with both (anti) D3EIII polyclonal antibodies and antibodies of anti-His tag. Upon injection of EDIII in mice, it stimulated the generation of antibodies against the dengue-specific virus. The induced antibodies demonstrated neutralizing activity against dengue virus type 3. These findings indicate that the TMV expression system is effective for producing dengue virus antigens in plants, resulting in antigens with appropriate properties and strong immunogenic potential.
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