Pivotal role of O-antigenic polysaccharide display in the sensitivity against phage tail-like particles in environmental Pseudomonas kin competition

Clara Heiman, Monika Maurhofer, Sandra Calderon, Mélanie Dupasquier, Julien Marquis, Christoph Keel & Jordan Vacheron
Environmental pseudomonads colonize various niches including insect and plant environments. When invading these environments, bacteria are confronted with the resident microbiota. To cope with closely related strains they deploy narrow-spectrum weaponry such as tailocins, i.e phage tail-like particles. Little is known about the receptors for these tailocins especially among phylogenetically closely related species. Here, we studied the interaction between an R-tailocin from Pseudomonas protegens CHA0 and a targeted kin, Pseudomonas protegens Pf-5. Using genome-wide transposon...
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