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Table 1 Genotypes and minimal inhibitory concentrations (MICs) for tigecycline and colistin in eight A. baumannii parental isolates and their respective tigecycline- (TIG-RP) and colistin-resistant subpopulations (COL-RP)

From: Multiple heteroresistance to tigecycline and colistin in Acinetobacter baumannii isolates and its implications for combined antibiotic treatment

Isolate number

Sequence type

MIC (mg/L)

Parental

TIG-RP

COL-RP

TIG

COL

TIG

COL

TIG

COL

FA56

191

2

2

16

2

2

 > 64

FA83

191

2

2

16

2

2

 > 64

FA154

191

2

> 64

16

2

NA

NA

FA1318

357

2

2

16

2

2

 > 64

FA1323

357

2

2

16

2

2

 > 64

F-1757

357

2

2

16

2

2

 > 64

F-2420

357

2

2

16

2

2

 > 64

FA72

191

4

2

32

2

2

 > 64

  1. MIC, minimal inhibitory concentration; TIG, tigecycline; COL, colistin; RP, resistant subpopulation; NA, not applicable (because the parental isolate is colistin-resistant)
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Journal of Biomedical Science

ISSN: 1423-0127