Virus Generation
Virus Generation - Related Videos
01:39
Generating a Recombinant Virus with Heterologous Glycoproteins
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2026
Begin with a microplate containing host cells susceptible to vesicular stomatitis virus (VSV) infection.Introduce a transfection mixture containing the genome plasmid, helper plasmids, and a transfection reagent that forms complexes with the plasmids. Incubate the cells to facilitate plasmid uptake.The genome plasmid encodes a modified VSV genome in which the VSV glycoprotein (VSV-G) gene is replaced with one encoding an envelope glycoprotein (Env) from another virus.The helper plasmids provide...
02:38
Generation of a Recombinant Virus Using a Protein Kinase R-Based System
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2026
Source: Vipat, S., Brennan, G., et al. Seamless Generation of Recombinant Poxviruses using Host Range and Visual Selection. J. Vis. Exp. (2020).This video demonstrates the generation of an mCherry-expressing recombinant vaccinia virus using a PKR-based selective replication and visual selection system. The transfection of infected epithelial cells with a recombination vector carrying the gene of interest and the ref fluorescent protein-tagged PKR inhibitor protein cassette enables selective...
09:08
Generation and Assembly of Virus-Specific Nucleocapsids of the Respiratory Syncytial Virus
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2021
For in-depth mechanistic analysis of the respiratory syncytial virus (RSV) RNA synthesis, we report a protocol of utilizing the chaperone phosphoprotein (P) for coexpression of the RNA-free nucleoprotein (N0) for subsequent in vitro assembly of the virus-specific nucleocapsids (NCs).
03:09
A Technique for the Generation of Influenza Virus-Like Particles via a Mammalian System
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2025
This video demonstrates the generation of influenza virus-like particles (VLPs) in a mammalian system. Upon expressing three eukaryotic expression vectors — encoding different viral structural proteins — in suitable mammalian host cells, the expressed viral proteins self-assemble into VLPs on the host plasma membrane and release via budding from the cell surface.
11:31
Generation of Recombinant Influenza Virus from Plasmid DNA
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Cited by 126 •
2010
Rescue of influenza A viruses from plasmid DNA is a basic and essential experimental technique that allows influenza researchers to generate recombinant viruses to study multiple aspects in the biology of influenza virus, and to be used as potential vectors or vaccines.
FAQs
The viral genome coordinates a sequence of intracellular events: replication of viral genetic material, synthesis of viral proteins, and assembly of those components into new particles. These stages connect genetic information with physical particle formation. Studying their coordination helps explain viral replication and provides a basis for investigating interactions between viral components and host cells.
Release determines how newly assembled viral particles leave the host cell. Cell lysis is one pathway, while other release mechanisms may preserve the cell for longer periods. This distinction affects how particles are recovered and how researchers interpret production in culture, particularly when comparing viral replication with the condition of the infected host cells.
Host-cell selection, culture conditions, and the viral components used are central variables. Changes in any of these factors can alter the amount or consistency of the resulting viral preparation. Controlling them systematically allows researchers to compare experiments more reliably and supports the production of preparations suitable for virology studies, antiviral testing, or vector-based work.
Production in living host cells creates an experimental setting in which researchers can examine how viral replication relates to the infected cell. By observing genome replication, protein synthesis, assembly, and release together, investigators can connect viral activity with cellular responses. This context is important for understanding biological relationships between pathogens and their hosts.
A controlled workflow coordinates suitable host cells with defined culture conditions and the relevant viral components. The process then follows the sequence of genome replication, viral protein synthesis, particle assembly, and release. Maintaining control across these stages helps researchers obtain reproducible preparations rather than treating particle production as an isolated endpoint.
Researchers generate viral preparations to study replication and to evaluate antiviral compounds. The resulting system provides material and a biological context for examining how candidate compounds affect viral production. Because preparation quality depends on controlled cells, culture conditions, and viral components, consistent generation is important when comparing compound-related outcomes across experiments.
Laboratory production can support the preparation of viral vectors for gene delivery. In this application, the generated particles serve as delivery vehicles rather than only as subjects for replication studies. Careful control of production conditions helps provide preparations appropriate for biotechnology and medical research, where reproducibility is needed to interpret delivery-related experiments.