Table 1.

Susceptibility to colistin and the presence of mcr genes

Mcr gene*	Colistin
	Resistance	Susceptible	Reference
	(n=73)	(n=47)
mcr-9	0	1	this study
mcr-1	31	0	[3]
mcr-3	8	2
mcr-5	27	2
mcr-1 and -5	5	0
nd	2	42

*mcr-1–5 were screened in the previous study [3].

mcr-2, -4, -6, -7, -8 and -10 were not detected.

ND, not detected.