. 2017 Nov 20;10:437–443. doi: 10.2147/IDR.S148185

Table 2.

Clonal relationship, presence of carbapenemase genes and mcr-1, and efflux pump detection in colistin-resistant Acinetobacter baumannii

REP-PCR group	CoR-AB isolate	COL (MIC; μg/mL)	COL+CCCP (MIC; μg/mL)	Resistant genes
REP-PCR group	CoR-AB isolate	COL (MIC; μg/mL)	COL+CCCP (MIC; μg/mL)	bla_IMP	bla_NDM	bla_KPC	bla_OXA-23	bla_OXA-40	bla_OXA-58	mcr-1
A	1	16	0.5	^✓	^×	^✓	^✓	^×	^×	^×
B	2	32	0.25	^✓	^✓	^✓	^✓	^×	^×	^×
B	3	128	0.5	^✓	^✓	^✓	^✓	^×	^×	^×
B	4	64	0.5	^✓	^✓	^✓	^✓	^×	^×	^×
B	6	32	0.25	^✓	^✓	^✓	^✓	^×	^×	^×
B	7	128	0.5	^✓	^✓	^✓	^✓	^×	^×	^×
B	8	512	0.5	^✓	^✓	^✓	^✓	^×	^×	^×
B	9	32	0.25	^✓	^✓	^✓	^✓	^×	^×	^×
B	13	64	0.25	^✓	^✓	^✓	^✓	^×	^×	^×
C	5	32	0.25	^×	^×	^×	^✓	^×	^×	^×
C	10	32	0.25	^×	^×	^×	^✓	^×	^×	^×
C	11	128	0.5	^×	^×	^×	^✓	^×	^×	^×
C	12	128	0.5	^×	^×	^×	^✓	^×	^×	^×
C	14	128	0.5	^×	^×	^×	^✓	^×	^×	^×
C	15	>512	0.25	^×	^×	^×	^✓	^×	^×	^×
C	17	512	0.5	^×	^×	^×	^✓	^×	^×	^×
D	16	>512	0.25	^×	^×	^×	^✓	^×	^×	^×

Notes:

^✓

Target gene present.

^×

Target gene absent.

Abbreviations: CCCP, cyanide 3-chlorophenylhydrazone; COL, colistin; CoR-AB, colistin-resistant Acinetobacter baumannii; MIC, minimum inhibitory concentration; REP-PCR, repetitive element palindromic polymerase chain reaction.