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Detection and Isolation of Campylobacter spp. from Raw Meat
Published on: February 23, 2024
Method for bacteriophage isolation against target Campylobacter strains.
C Carvalho1, M Susano, E Fernandes
1IBB - Institute for Biotechnology and Bioengineering, Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal.
Letters in Applied Microbiology
|December 17, 2009
Summary
Researchers isolated Campylobacter coli bacteriophages (phages) using a targeted enrichment method. This technique efficiently identifies phages effective against specific bacterial strains, aiding in controlling foodborne illnesses and antibiotic-resistant bacteria.
Area of Science:
- Food Microbiology
- Bacteriophage Research
- Antimicrobial Resistance
Background:
- Poultry meat is a significant source of Campylobacter, a bacterium causing foodborne illnesses.
- Campylobacter infections pose a public health challenge, exacerbated by rising antimicrobial resistance.
Purpose of the Study:
- To isolate lytic bacteriophages (phages) specifically targeting Campylobacter coli strains.
- To develop an efficient method for isolating phages active against specific bacterial pathogens.
Main Methods:
- Enrichment of chicken samples in broth with target C. coli strains and salts (CaCl2, MgSO4).
- Isolation and characterization of bacteriophages active against C. coli and C. jejuni.
Main Results:
- Isolated 43 phages active against 83% of target C. coli strains.
- 65% of isolated phages demonstrated activity against Campylobacter jejuni strains.
Conclusions:
- Targeted pathogen enrichment significantly enhances phage isolation efficiency for specific strains.
- This method is valuable for phage therapy, rapidly identifying phages against clinical or foodborne isolates.
- Accelerates the search for effective phages, crucial for combating multi-drug resistant bacteria.
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