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Construction, expression and identification of chimeric foot-and-mouth disease virus-like particles / 生物工程学报
Chinese Journal of Biotechnology ; (12): 1305-1313, 2020.
Article in Chinese | WPRIM | ID: wpr-826846
ABSTRACT
To improve the specific recognition and presentation of virus-like particle (VLPs), and to develop immune-targeted VLPs vaccine, the gene fragment encoding OVA₂₅₇₋₂₆₄ peptide was inserted into the VP3 gene of foot-and-mouth disease virus (FMDV) between the 171th and 172th amino acids (aa) or 173th and 174th aa by reverse PCR. The recombinant proteins were expressed by using Escherichia coli and assembled into chimeric VLP (VLP(OVA)) in vitro after purification. The VLP(OVA) was measured by dynamic light scattering and transmission electron microscopy. The recombinant protein and the assembled VLPs were evaluated by Western blotting, enzyme-linked immunosorbent assay and laser scanning confocal microscopy to confirm the insertion of OVA₂₅₇₋₂₆₄ peptide into VP3 and its location. The results show that insertion of OVA₂₅₇₋₂₆₄ into the 173th and 174th aa of FMDV VP3 did not affect the assembly of VLPs. The VLP(OVA) in size was larger than VLPs, and the OVA₂₅₇₋₂₆₄ peptide was located on the surface of VLP(OVA).
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Virology / Recombinant Proteins / Foot-and-Mouth Disease Virus / Escherichia coli / Vaccines, Virus-Like Particle / Foot-and-Mouth Disease / Genetics / Metabolism Limits: Animals Language: Chinese Journal: Chinese Journal of Biotechnology Year: 2020 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Virology / Recombinant Proteins / Foot-and-Mouth Disease Virus / Escherichia coli / Vaccines, Virus-Like Particle / Foot-and-Mouth Disease / Genetics / Metabolism Limits: Animals Language: Chinese Journal: Chinese Journal of Biotechnology Year: 2020 Type: Article