Baculovirus Expression System
Baculovirus Expression System - Related Videos
03:05
Generation of Chikungunya Virus-Like Particles Using Baculovirus Expression System in Insect Cells
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2025
This video shows how virus-like particles, VLPs are generated by infecting insect cells with a recombinant baculovirus carrying the chikungunya virus gene cassette. The recombinant virus infects cells, leading to VLP formation, assembly, and release into the culture medium for potential use in vaccine production.
03:40
Heparin Affinity Chromatography-Based Baculovirus Purification: A Technique to Isolate Baculovirus From Insect Cell Supernatant
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2025
In this video, we demonstrate the technique to isolate baculovirus from an insect cell supernatant using heparin affinity chromatography. The isolation is facilitated by the affinity between the heparin in the column to the baculovirus envelope glycoprotein.
06:11
Production and Purification of Baculovirus for Gene Therapy Application
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Cited by 13 •
2018
In this protocol, baculovirus is produced by transient transfection of baculovirus plasmid into Sf9 cells and amplified in a serum-free suspension culture. The supernatant is purified by heparin affinity chromatography and further concentrated by ultracentrifugation. This protocol is useful for the production and purification of baculovirus for gene therapy application.
12:18
Expression of Functional Recombinant Hemagglutinin and Neuraminidase Proteins from the Novel H7N9 Influenza Virus Using the Baculovirus Expression System
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Cited by 170 •
2013
Here we describe a way to express correctly folded and functional influenza virus surface antigens derived from the novel Chinese H7N9 virus in insect cells. The technique can be adapted to express ectodomains of any viral or cellular surface proteins.
08:57
Production of Recombinant PRMT Proteins using the Baculovirus Expression Vector System
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Cited by 22 •
2021
The baculovirus expression vector system (BEVS) is a robust platform for expression screening and production of protein arginine methyltransferases (PRMTs) to be used for biochemical, biophysical, and structural studies. Milligram quantities of material can be produced for the majority of PRMTs and other proteins of interest requiring a eukaryotic expression platform.
FAQs
The gene of interest is positioned downstream of a strong viral promoter within the engineered baculovirus genome. During infection, this regulatory arrangement directs the infected insect cell to prioritize production of the encoded protein. Promoter placement therefore connects the recombinant genetic design to the system’s ability to generate substantial amounts of target material for downstream studies.
Insect cells provide host machinery that can synthesize proteins encoded by the recombinant viral genome and often support their folding and post-translational modification. These features are important when the target requires more than simple production of an amino acid chain. As a result, the system can support studies of complex eukaryotic proteins and assembled multiprotein complexes.
The system can direct infected insect cells to produce proteins encoded by engineered viral genetic material, making it suitable for targets that function as assemblies rather than isolated molecules. Producing structural proteins or multiprotein complexes can help researchers examine organization and function in a biological context. This capability extends its value beyond expression of individual enzymes or antigens.
A typical workflow begins by inserting the gene of interest into the baculovirus genome, usually downstream of a strong viral promoter. The engineered virus is then used to infect cultured insect cells, whose machinery produces the encoded protein. Researchers can subsequently use the resulting protein for functional studies, structural analysis, or biotechnology development.
Researchers may choose this system when they need substantial protein production together with the potential for folding and post-translational modification associated with complex eukaryotic proteins. It is especially relevant for targets such as vaccine antigens, enzymes, structural proteins, and multiprotein complexes. Scalability also makes the approach useful when work extends from laboratory studies toward biopharmaceutical development.
Proteins generated through this approach can support functional studies that examine what a protein does, structural analysis that investigates its organization, and evaluation of interactions within multiprotein complexes. The same produced material may also serve as a vaccine antigen or enzyme for biotechnology research. Thus, the output connects molecular production with biological interpretation and applied development.