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Updated: Aug 16, 2026

Aseptic Laboratory Techniques: Plating Methods
Published on: May 11, 2012
[Identification of the bacterium Pseudomonas mallei using Pseudomonas pseudomallei bacteriophages]
Abstract:
Phage production by Pseudomonas pseudomallei and Pseudomonas mallei strains has been studied. 32 P. pseudomallei bacteriophages have been isolated. Their spectrum of lytic action against P. pseudomallei, P. mallei and other Pseudomonas sp. has been defined. It has been shown that P. pseudomallei bacteriophages PP19, PP23, PP33 may be used for identification P. mallei among related Pseudomonas.
Insights
Researchers isolated 32 Pseudomonas pseudomallei bacteriophages. Specific phages (PP19, PP23, PP33) can identify Pseudomonas mallei within related Pseudomonas species, aiding in diagnostics.
Area of Science:
- Microbiology
- Bacteriology
- Virology
Background:
- Pseudomonas pseudomallei and Pseudomonas mallei are Gram-negative bacteria.
- Bacteriophages are viruses that infect bacteria and have potential diagnostic applications.
Purpose of the Study:
- To isolate and characterize bacteriophages active against Pseudomonas pseudomallei.
- To evaluate the potential of these bacteriophages for differentiating Pseudomonas mallei from other Pseudomonas species.
Main Methods:
- Isolation of bacteriophages from environmental samples.
- Lytic activity assays against various Pseudomonas strains.
- Determination of bacteriophage host range.
Main Results:
- Thirty-two Pseudomonas pseudomallei bacteriophages were successfully isolated.
- The spectrum of lytic activity for each isolate was defined.
- Phages PP19, PP23, and PP33 demonstrated specific lytic activity against Pseudomonas mallei.
Conclusions:
- Specific Pseudomonas pseudomallei bacteriophages can be utilized for the identification of Pseudomonas mallei.
- These phages offer a potential tool for distinguishing Pseudomonas mallei within the Pseudomonas genus.
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