Full Length Research Paper
Abstract
The application of bacteriophages biocontrol requires the formulation of genetically distinct bacteriophages in a phage cocktail. Random Amplified Polymorphic DNA (RAPD) - PCR is considered a cheap, reproducible, and readily applicable tool in detecting phage diversity compared to other molecular techniques such as whole-genome sequencing. We used in this study the RAPD-PCR technique to assess the genetic diversity of 28 bacteriophages infecting Pseudomonas aeruginosa and Staphylococcus aureus. According to their RAPD profiles, isolated phages were grouped into 2 main clusters which included phages from the same host. The typing by RAPD-PCR of newly isolated phages was useful to assess the genetic diversity bypassing previous whole-genome sequencing analysis. These genetically distinct phages lytic against P. aeruginosa and S. aureus could potentially be used in a phage cocktail for biocontrol against these clinically and industrially relevant bacteria.
Key words: Phages, genetic diversity, RAPD PCR, P. aeruginosa, S. aureus.
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