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. 2020 Apr 6;9(4):164. doi: 10.3390/antibiotics9040164

Figure 1.

Figure 1

Transmission electron micrographs of thin sections of colistin-sensitive and -resistant A. baumannii strains. (A) Colistin-sensitive strain MS48, displaying a thick cell membrane. (B) MS48 after the acquisition of colistin resistance, displaying a thin cell membrane. (C) Clinical colistin-resistant strain MS34, displaying a thin cell membrane and a glycocalyx. (D) Clinical colistin-sensitive strain MS64, displaying a thick cell membrane. (E) MS64 after the acquisition of colistin resistance, displaying a thin cell membrane.