Programmed Cell Lysis
Programmed Cell Lysis - Related Videos
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.
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.
04:11
Isolation of Endospores from an Environmental Sample by Targeted Lysis of Vegetative Cells
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2025
Source: Wunderlin, T., et al. Physical Isolation of Endospores from Environmental Samples by Targeted Lysis of Vegetative Cells. J. Vis. Exp. (2016)This video demonstrates a method to isolate endospores from an environmental sample containing both vegetative cells and various bacteria. The procedure involves filtration, mechanical disruption, and selective chemical treatment to weaken and lyse vegetative cells while preserving endospores. The final step isolates the resilient endospores through...
12:44
Use of LysoTracker to Detect Programmed Cell Death in Embryos and Differentiating Embryonic Stem Cells
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Cited by 53 •
2012
We present a simple protocol to visualize regions of programmed cell death (PCD) in mouse embryos and differentiating embryonic stem (ES) cell cultures using a highly soluble dye called LysoTracker.
FAQs
Activation depends on coordinated molecular signals rather than an isolated structural change. These signals bring lytic proteins into action, including membrane-permeabilizing factors that compromise the cell boundary and enzymes that weaken the cell envelope. Because these activities target complementary aspects of cellular integrity, their combined effect drives a controlled progression from membrane damage to complete disintegration.
Membrane-permeabilizing factors reduce the barrier that normally contains the cell, while lytic enzymes weaken the surrounding cell envelope. These components therefore affect different protective structures and work together to eliminate cellular integrity. Their complementary activities help explain why programmed lysis depends on coordinated molecular action rather than on a single generic disruption of the cell.
Its consequences extend beyond the destruction of an individual cell. During bacteriophage reproduction, lysis helps release newly produced viral material. In microbial communities, the process can influence community dynamics by releasing intracellular contents. It also contributes to the development or survival of specialized cell types, linking lysis to broader biological organization and adaptation.
The process provides access to material that normally remains inside the cell, including proteins, nucleic acids, and other biomolecules. This release makes programmed lysis useful for biochemical analysis and biotechnology. In engineered microbial systems, researchers can use the same biological control principle to make intracellular products available for downstream study or application.
Inducing lysis can produce two complementary outcomes: loss of cellular integrity and release of intracellular contents. Researchers may therefore examine the biological effects of cell disintegration while also analyzing the released proteins, nucleic acids, or other biomolecules. This combination connects mechanistic studies of cellular control with practical biochemical and biotechnology objectives.
In fundamental biology, programmed lysis helps explain bacteriophage reproduction, microbial community dynamics, and the behavior of specialized cell types. In engineered microbial systems, researchers apply the same regulated release principle to access intracellular products. The topic therefore bridges natural cellular processes and designed biological systems without separating mechanism from practical biomolecule recovery.