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. 2016 Aug 22;60(9):5238–5246. doi: 10.1128/AAC.00270-16

TABLE 2.

Polymyxin B and tigecycline MICs (mg/liter) and mechanisms of resistance in the 4 XDR E. cloacae strains

Enterobacter cloacae strain MIC (mg/liter)
Resistance mechanism(s)
Polymyxin B MIC Tigecycline MIC
ECL15118 1 2 SHV, TEM, NDM; porin loss
ECL9800 4 4 SHV, TEM, IMP-1; presence of efflux; porin loss
ECL6217 1 0.5 NDM; presence of efflux; porin loss
ECL2197 1 1 SHV, TEM, IMP-1; presence of efflux; porin loss