Polymyxin B-based combinations are increasingly prescribed as a last-line option against extensively drug-resistant (XDR) Acinetobacter baumannii . It is unknown if such combinations can result in the development of nondividing persister cells in XDR A. baumannii . We investigated persister development upon exposure of XDR A. baumannii to polymyxin B-based antibiotic combinations using flow cytometry.
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Wong et al. (2019) studied this question.
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