Abstract
Bacteria and bacteriophages coexist and coevolve, bacteriophages being obligatory predators exerting an evolutionary pressure on their prey. Mechanisms in action vary depending on the bacterial genomic content and on the regulation of the bacteriophage cycle. To assess the multiplicity of bacterial genes involved in resistance as well as the changes in the bacteriophage interactions with the bacteria, it is necessary to isolate and investigate large numbers of independent resistant variants. Here we describe protocols that have been applied to the study of Pseudomonas aeruginosa and four of its virulent bacteriophages belonging to the Podoviridae and Myoviridae bacteriophage families. Mutations are identified using whole genome sequencing of resistant variants. Phenotypic analyses are performed to describe the changes conferred by the mutations.
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Acknowledgments
We would like to thank Gilles Vergnaud for comments on the manuscript, and Cédric Midoux for his help with genome analyses.
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Latino, L., Pourcel, C. (2018). Recovery and Characterization of Bacteria Resisting Infection by Lytic Bacteriophage. In: Azeredo, J., Sillankorva, S. (eds) Bacteriophage Therapy. Methods in Molecular Biology, vol 1693. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-7395-8_8
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DOI: https://doi.org/10.1007/978-1-4939-7395-8_8
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