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Table 2 Drug susceptibility profile of E. cloacae complex isolates co-harboring mcr-9 and blaIMP-1

From: Emergence of carbapenem-resistant and colistin-susceptible Enterobacter cloacae complex co-harboring blaIMP-1 and mcr-9 in Japan

Isolates/Antimicrobial Agentsa

MIC (μg/ml)

AMK

AZT

CAZ

CIP

CSTb

IPM

MPM

TIGb

E. xiangfangensis A2483

1

128

> 512

1

0.125

4

8

1

E. xiangfangensis A2504

1

128

> 512

1

0.125

4

8

1

E. asburiae A2563

0.5

0.25>

128

0.5

0.125

8

2

0.5

  1. aBreakpoints for antimicrobial resistance were determined according to CLSI guidelines
  2. bBreakpoints for Colistin and Tigecycline was determined according to EUCAST guidelines