Virus Harvest

Virus harvest is the process of recovering newly produced virus particles from infected cells or biological culture systems for characterization, downstream processing, or use in research and biotechnology. Depending on the virus and production system, harvesting may involve collecting the culture fluid when particles are released from cells, or disrupting cells to release intracellular virus, followed by clarification to remove cellular debris. The recovered material can support viral quantification, propagation studies, vaccine development, and production of viral vectors for gene delivery. Consistent harvest conditions help preserve infectivity, improve product quality, and enable reliable comparison across experiments.

Virus Harvest - Related Videos

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JoVE EoE - Viral Growth and Techniques

Harvesting Adeno-Associated Virus from Transfected Mammalian Cells

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2026

Source: Rghei, A. D., et al. Production of Adeno-Associated Virus Vectors in Cell Stacks for Preclinical Studies in Large Animal Models. J. Vis. Exp. (2021)This video demonstrates the recovery of crude adeno-associated virus from transfected mammalian cells using chemical lysis and centrifugation, enabling high-yield AAV production for downstream purification and preclinical gene therapy applications.

Production and Harvesting of Therapeutic Virus-Producing Epithelial Cells

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2026

Source: Heidbuechel, J. P., et al. Paramyxoviruses for Tumor-targeted Immunomodulation: Design and Evaluation Ex Vivo. J. Vis. Exp. (2019).This video demonstrates the process of infecting kidney epithelial cells with genetically engineered viruses for their production and harvesting to study viral replication.

Propagation and Harvest of Influenza Virus from a Fertilized Chicken Egg

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2026

Source: Brauer, R. et al., Influenza Virus Propagation in Embryonated Chicken Eggs. J. Vis. Exp. (2015)This video demonstrates the synthesis and harvest of the influenza virus in fertilized chicken eggs. The virus is inoculated into the allantoic cavity, where it replicates in epithelial cells and buds into the allantoic fluid, which is then collected and stored for downstream applications.

Harvesting Hepatitis E Virus Particles from Human Liver Cancer Cells

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2026

Source: Meister, T. L., et al. A Cell Culture Model for Producing High Titer Hepatitis E Virus Stocks. J. Vis. Exp. (2020).This video demonstrates the process of isolating hepatitis E virus (HEV) particles from transfected human hepatocellular carcinoma cells. Extracellular viral particles are collected from filtered supernatants, while intracellular particles are released by subjecting the cells to repeated freeze-thaw cycles. The lysate is centrifuged, and the supernatant containing HEV...

Propagation and Harvesting of Oncolytic Herpes Simplex Virus in Mammalian Cells

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2026

Source: Nguyen, H., et al. Growth, Purification, and Titration of Oncolytic Herpes Simplex Virus. J. Vis. Exp. (2021).This video demonstrates the propagation and harvesting of oncolytic herpes simplex virus in mammalian cell cultures, highlighting viral entry, replication, and the recovery of virus-loaded cells. It further shows methods for preserving infected cells for downstream processing.

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