Timing of antibiotic administration determines the spread of plasmid-encoded antibiotic resistance during microbial range expansion.

Abstract excerpt

Plasmids are the main vector by which antibiotic resistance is transferred between bacterial cells within surface-associated communities. In this study, we ask whether there is an optimal time to administer antibiotics to minimize plasmid spread in new bacterial genotypes during community expansion across surfaces. We address this question using consortia of Pseudomonas stutzeri strains, where one is an...

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