Viral Lysis
Viral Lysis - Related Videos
03:12
A Procedure for Bacterial Harvesting and Mechanical Lysis
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2025
Source: Mercier, N., et al. MS2-Affinity Purification Coupled with RNA Sequencing in Gram-Positive Bacteria. J. Vis. Exp. (2021)This video demonstrates a step-by-step procedure for harvesting bacterial cells and mechanically lysing them to release intracellular contents.
01:32
Tissue Homogenization and Cell Lysis
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2023
Tissue homogenization involves disintegrating tissue architecture and lysing cells, and is an early step in isolating and analyzing cellular components. The method used for homogenization depends on the sample type, the amount of sample available, the analyte to be obtained, and the sensitivity of the method. These methods are broadly classified as mechanical and non-mechanical methods. Mechanical methods of tissue homogenization These methods rely on applying external physical force to disrupt...
09:49
A Simple Red Blood Cell Lysis Method for the Establishment of B Lymphoblastoid Cell Lines
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Cited by 1 •
2017
A simple red blood cell lysis method for establishing B-LCLs was developed with high immortalization efficiency, requiring a small amount of blood and saving time from initiation to cryopreservation.
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...
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...
FAQs
Viral lysis proteins help disrupt the infected cell’s membrane or wall at the end of progeny production. Their action works alongside mechanical damage created as newly assembled particles accumulate or exit. This coordinated disruption determines when infectious virions are released, linking intracellular replication and assembly to onward spread through neighboring cells.
Host machinery supplies the cellular systems that a virus redirects to copy its genome and produce structural proteins. Those products become components of progeny virions, so lysis depends on successful intracellular production rather than cell damage alone. This links host–virus interactions to the infectious particles available for transmission.
Mechanical damage and viral lysis proteins represent complementary routes to cell disruption. Mechanical stress can result from the buildup and exit of newly assembled particles, whereas viral proteins actively contribute to damage of the membrane or wall. Separating these mechanisms helps researchers explain how a cell reaches rupture after genome replication and particle assembly.
Lysis becomes biologically consequential when it releases infectious virions rather than merely damaging the host cell. Genome copies and structural proteins must therefore be produced and assembled into progeny particles first. This relationship explains why studies of lysis consider replication, protein synthesis, assembly, and release as connected events during infection.
Within bacteriophage research, viral lysis connects infection with bacterial-cell destruction and progeny release. Researchers can use this context to examine how a phage redirects its host, produces structural components, assembles new particles, and influences nearby bacterial cells. These observations relate molecular host–virus interactions to broader microbial population dynamics.
Phage-based therapeutic strategies rely on the destructive consequence of infection: bacterial cells are disrupted and infectious phage particles are released. This makes viral lysis relevant to approaches intended to reduce bacterial populations. Its importance extends beyond individual cell death because released virions can spread to neighboring cells and continue affecting a microbial community.
The immediate consequence is loss of the infected cell, but release of infectious virions creates effects beyond that site. In microbial populations, continued spread can alter population dynamics; in infected tissues, cell damage can contribute to tissue damage. This multiscale connection explains why lysis matters in both basic biology and viral pathogenesis.