Explores treatment efficacy of polymicrobial infections in catheterized systems, suggesting biofilm impacts.
We show that our system establishes stable and reproducible polymicrobial communities and facilitates analysis across both planktonic and biofilm lifestyles. We confirm that polymicrobial biofilms in this system display distinct population dynamics compared to planktonic populations and modulate the impact of ciprofloxacin treatment by protecting the most susceptible community members. In addition, we demonstrate the capacity of P. mirabilis to encrust and block catheters when part of a polymicrobial community and confirm that thioridazine treatment remains effective at inhibiting catheter blockage under these conditions.
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Garratt et al. (2026) studied this question.
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