Amoeba Host Cells
Amoeba Host Cells - Related Videos
04:15
Detecting Bacterial Virulence Using Amoeba as a Host System
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2026
Source: Dubois, V., et al. Identification of Virulence Markers of Mycobacterium abscessus for Intracellular Replication in Phagocytes. J. Vis. Exp. (2018)This video demonstrates the procedure of co-culturing amoebae with mutant bacterial strains to evaluate their intracellular survival and identify virulence markers through differences in colony counts.
03:25
Amoeba-Based Enrichment of Giant Viruses from an Environmental Water Sample
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2026
Source: Bou Khalil, J. Y.,et al. A Rapid Strategy for the Isolation of New Faustoviruses from Environmental Samples Using Vermamoeba vermiformis. J. Vis. Exp. (2016)This video demonstrates the enrichment of giant viruses from an environmental water sample using amoeba-based co-culture to enable downstream detection and analysis.
04:12
Isolation of a Single Giant Virus from a Mixed Viral Population Using Amoebae
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2026
Source: Sahmi-Bounsiar, D. et al. Single Cell Micro-aspiration as an Alternative Strategy to Fluorescence-activated Cell Sorting for Giant Virus Mixture Separation. J. Vis. Exp. (2019)This video demonstrates single-cell micro-aspiration to isolate and expand a single giant virus population from a mixed viral population using amoebae as host cells.
02:04
Transfection of Wild-Type Amoeba via Electroporation with Bacterial Feeding Support
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2025
Source: Paschke, P., et al. Genetic Engineering of Dictyostelium discoideum Cells Based on Selection and Growth on Bacteria. J. Vis. Exp. (2019).This video demonstrates the procedure for introducing a plasmid carrying a target gene into amoeba cells via electroporation, followed by recovery in a bacterial supplement to enable efficient gene delivery in wild-type amoeba.
04:15
Extracting Host Cell Lysate from Infected Host Cells Cultured in a Permeable Membrane System
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2025
This video demonstrates a permeable membrane insert system to investigate the impact of bacterial toxins on host cells in a controlled and isolated manner. This approach allows for the selective exposure of the cells to the toxins while maintaining a physical separation that mimics the natural host-pathogen interaction.
FAQs
After phagocytosis, captured material is enclosed in a membrane-bound phagosome. Under normal cellular processing, this compartment matures and fuses with lysosomes, where digestion occurs. A microorganism that resists this sequence may avoid destruction and remain inside the cell. Tracking this progression helps identify the cellular stage associated with intracellular persistence or replication.
Survival inside an amoeba exposes microorganisms to a distinct cellular environment and favors traits that help them resist normal digestion. Over time, studying this relationship can clarify how environmental microbes acquire or maintain characteristics associated with persistence inside host cells. This evolutionary perspective links cellular defense pressures with changes in microbial behavior.
Amoebae can connect environmental microorganisms with processes relevant to infection and transmission. When bacteria or viruses persist within these cells, the interaction provides a model for examining how microbes remain protected or biologically active in an environmental host. Such studies help relate environmental microbial relationships to pathogen behavior and potential human-health consequences.
A study can follow three linked events: uptake through phagocytosis, processing of the engulfed material within the phagosome, and the microorganism’s subsequent fate. Investigators can then ask whether the organism is digested, persists inside the amoeba, or replicates. This sequence organizes observations around cellular defense and microbial survival rather than uptake alone.
Examining microbial fate can show whether an organism remains vulnerable to digestion or resists the amoeba’s intracellular defenses. It can also reveal whether persistence is accompanied by replication. These outcomes help distinguish simple engulfment from a sustained host–microbe relationship and provide evidence about pathogen behavior, cellular defense mechanisms, and environmental microbial persistence.
Amoebae provide biological models in which researchers can examine interactions involving different microorganism types, including bacteria and viruses. The models support questions about intracellular survival, replication, and the host cell’s defensive processing. In Biology, this creates a connection between basic cell biology and broader studies of environmental microbes, pathogens, and human health.