Abstract
Pseudomonas aeruginosa is an opportunistic pathogen causing nosocomial infections and associated with lung infections in cystic fibrosis (CF) patients (Lyczak et al., Microbes Infect 2:1051–1060, 2000). Multiple drug-resistant P. aeruginosa strains pose a serious problem because of antibiotic treatment failure. There is therefore a need for alternative anti-Pseudomonas molecules. Soluble pyocins (S-pyocins) are bacteriocins produced by P. aeruginosa strains that kill sensitive strains of the same species. These bacteriocins and their immunity gene are easily cloned and expressed in E. coli and their activity spectrum against different P. aeruginosa strains can be tested. In this chapter, we describe the procedures for cloning, expression, and sensitivity testing of two different S-pyocins. We also describe how to identify their receptor binding domain in sensitive strains, how to construct chimeric pyocins with extended activity spectra, and how to identify new pyocins in genomes by multiplex PCR.
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Cornelis, P., Dingemans, J., Baysse, C. (2024). Pseudomonas aeruginosa Soluble Pyocins as Antibacterial Weapons. In: Bertoni, G., Ferrara, S. (eds) Pseudomonas aeruginosa. Methods in Molecular Biology, vol 2721. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-3473-8_9
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DOI: https://doi.org/10.1007/978-1-0716-3473-8_9
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