Virus Vector Interactions
Virus Vector Interactions - Related Videos
10:35
Vector Competence Analyses on Aedes aegypti Mosquitoes using Zika Virus
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Cited by 3 •
2020
The presented protocol can determine the vector competence of Aedes aegypti mosquito populations for a given virus, such as Zika, in a containment setting.
02:08
Transduction of a Humanized Rat Liver Using Adeno-associated Virus Vectors
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2026
Source: Hiller, T., et al. Study of Viral Vectors in a Three-dimensional Liver Model Repopulated with the Human Hepatocellular Carcinoma Cell Line HepG2. J. Vis. Exp., (2016)This video demonstrates adeno-associated virus-mediated gene delivery in a humanized rat liver scaffold. The vector delivers a transgene encoding a fluorescent reporter and gene-silencing RNA into liver cells via receptor-mediated endocytosis. This model supports efficient transduction in a perfused 3D liver tissue system.
07:23
Detecting Virus and Salivary Proteins of a Leafhopper Vector in the Plant Host
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Cited by 1 •
2021
This protocol demonstrates how to use the plant host to detect salivary proteins of leafhopper and plant viral proteins released by leafhopper vectors.
03:35
Affinity Chromatography-Based Purification of Adeno-Associated Virus Vectors
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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)The video demonstrates purification of recombinant adeno-associated virus (AAV) vectors from crude host lysate using a heparin-based affinity matrix. Viral particles bind to immobilized heparin, while impurities are washed away. A high-salt buffer releases intact viruses, which is collected in enriched fractions. These fractions are...
09:16
A Simple and Efficient Approach to Construct Mutant Vaccinia Virus Vectors
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Cited by 13 •
2016
Vaccinia virus (VV) has been widely used in biomedical research and the improvement of human health. This article describes a simple, highly efficient method to edit the VV genome using a CRISPR-Cas9 system.
FAQs
Entry is an early decision point in the interaction. A virus must reach and enter relevant vector tissues before it can replicate, move through the body, and later be released during feeding. If this progression does not occur, acquisition may not lead to transmission. Examining tissue entry therefore helps explain differences in transmission success among vectors.
Replication and movement represent different stages with different consequences. Replication indicates that the virus can increase within the vector, whereas movement shows whether it can reach tissues involved in later release during feeding. Separating these stages helps researchers identify where transmission succeeds or fails and provides a more precise basis for measuring vector competence.
Vector immune defenses and physiological conditions can alter whether a virus persists and progresses through the vector. Their effects may influence entry, replication, movement, or release during feeding rather than acting at only one stage. Including these biological factors in studies helps explain why otherwise similar vectors may differ in their ability to support transmission.
Researchers evaluate vector competence by examining the sequence of events required for transmission: virus entry into tissues, replication, movement through the body, and release during feeding. Measurements across these stages show whether a vector supports the full process rather than only acquiring the virus. The resulting assessment helps compare transmission potential among vector organisms.
Transmission efficiency differs because vector organisms vary in how their tissues, immune defenses, and physiological conditions affect the virus. These differences can determine whether the virus enters suitable tissues, replicates, moves through the body, and is released during feeding. Comparing these factors helps researchers explain variation in vector competence across mosquitoes, ticks, and other arthropods.
Findings about virus movement through vectors and measured vector competence provide biological context for disease surveillance and outbreak modeling. They help identify which vector organisms may support transmission more effectively and clarify conditions associated with successful spread. This information can also guide strategies intended to reduce the dissemination of vector-borne viruses.