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Updated: Jun 30, 2026
13:54
Tractable Mammalian Cell Infections with Protozoan-primed Bacteria
Published on: April 2, 2013
[Temperate Legionella bacteriophage: discovery and characteristics]
Zhurnal Mikrobiologii, Epidemiologii I Immunobiologii
|September 30, 2008
Summary
Researchers isolated a temperate Legionella bacteriophage from guinea pigs infected with Legionella pneumophila. This bacteriophage demonstrated lytic activity against Legionnaires
Area of Science:
- Microbiology
- Virology
- Bacteriology
Background:
- Legionella pneumophila causes Legionnaires' disease, a severe pneumonia.
- Bacteriophages are viruses that infect bacteria and can be explored for therapeutic applications.
- Isolation of novel bacteriophages is crucial for understanding bacterial-viral interactions.
Purpose of the Study:
- To isolate and characterize a temperate bacteriophage from a Legionella pneumophila infection model.
- To investigate the lytic activity of the isolated bacteriophage against Legionella pneumophila and other bacteria.
Main Methods:
- Isolation of bacteriophage from infected guinea pig organs.
- Morphological characterization using electron microscopy.
- Assessment of lytic activity against Legionella pneumophila and Francisella tularensis.
Main Results:
- A temperate bacteriophage was successfully isolated from guinea pig organs infected with Legionella pneumophila Philadelphia 1 strain.
- The bacteriophage exhibited a distinct morphology with an elongated hexagonal head and a short tail.
- The isolated bacteriophage demonstrated significant lytic activity against Legionella pneumophila and moderate activity against the tularemia agent.
Conclusions:
- This study reports the first isolation of a temperate Legionella bacteriophage from an animal model.
- The characterized bacteriophage shows potential for targeting Legionella pneumophila and possibly other bacterial pathogens.
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