Viral Multiplication
Viral Multiplication - Related Videos
00:57
Viral Recombination
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2019
Cells are sometimes infected by more than one virus at once. When two viruses disassemble to expose their genomes for replication in the same cell, similar regions of their genomes can pair together and exchange sequences in a process called recombination. Alternatively, viruses with segmented genomes can swap segments in a process called reassortment. Viral Recombination Can Create New Diseases Some diseases can infect multiple species. For example, pigs can be infected by some human and...
05:04
Viral Antigen Microarray Assay to Detect Antibody Isotypes in Serum Against Viral Antigen
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2025
In this video, we demonstrate the process for detecting antibody isotypes in multiple human serum samples using a microarray slide printed with antigenic subtypes of influenza virus strains.
13:45
Using a Pan-Viral Microarray Assay (Virochip) to Screen Clinical Samples for Viral Pathogens
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Cited by 84 •
2011
The Virochip is a pan-viral microarray designed to simultaneously detect all known viruses as well as novel viruses on the basis of conserved sequence homology. Here we demonstrate how to run a Virochip assay to analyze clinical samples for the presence of both known and unknown viruses.
00:56
Viral Structure
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2019
Viruses are extraordinarily diverse in shape and size, but they all have several structural features in common. All viruses have a core that contains a DNA- or RNA-based genome. The core is surrounded by a protective coat of proteins called the capsid. The capsid is composed of subunits called capsomeres. The capsid and genome-containing core are together known as the nucleocapsid. Structural Classes of Viruses Many criteria are used to classify viruses, including capsid design. Most viruses...
04:01
Assessment of the Activation of Multiple Caspases in Macrophages
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2025
This video demonstrates the assessment of multiple caspase activations in bone marrow-derived macrophages through stimulation with the influenza virus. Following macrophage lysis, heat-inactivation of lysate, and centrifugation, intracellular caspases are collected for subsequent immunological analysis.
FAQs
Once uncoating releases the viral genome, the infection depends on redirecting host-cell machinery toward viral nucleic acid replication and protein synthesis. These products provide the components needed for progeny particle assembly. Examining this transition helps distinguish genome production from later particle formation and clarifies how cellular resources support completion of the viral cycle.
Replication and protein synthesis alone do not complete infection. Viral components must be assembled into progeny virions and released so that new infectious particles can participate in subsequent infection. Separating these stages in an analysis helps researchers determine whether a cellular or experimental condition affects production, assembly, or release rather than treating the cycle as a single event.
Neurotropism refers to the relationship between a virus and neural cells that supports infection of nervous tissue. Studying multiplication in neurons and glial cells can reveal which cellular environments permit the cycle and how infection may spread through neural tissue. This provides a mechanistic basis for connecting viral replication with patterns of nervous-system involvement.
Viral multiplication can be examined alongside cellular injury to determine how infection affects neural tissue. In neurons and glial cells, linking the multiplication cycle with injury helps explain how viral activity contributes to disease rather than only documenting the presence of virions. This connection is important when interpreting infection-related changes across nervous-system cell types.
A useful analysis follows the cycle across neural cell types, beginning with attachment and entry and then distinguishing uncoating, genome replication, protein synthesis, assembly, and release. Comparing neurons with glial cells can relate stage-specific activity to neurotropism, spread through neural tissue, and cellular injury. The resulting observations connect molecular events with neuroscience outcomes.
Understanding the multiplication cycle informs the design of viral vectors for gene delivery and experimental circuit labeling. The relevant insight comes from knowing how viral particles interact with susceptible cells, release genetic material, and produce or assemble viral components. In neuroscience, this knowledge helps connect viral systems with targeted investigation of neural cells and circuits.