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Table 1 Main characteristics of the mcr-1 E. coli

From: Molecular characteristic of mcr-1 producing Escherichia coli in a Chinese university hospital

Isolates

Data

Ward

Specimen

Phylogenetic groups

MLST

ERIC pattern

VFs

Antibiotic resistance

E321

2014.8

Colorectal surgery

Drainage-fluid

B1

ST156

1

traT, iutA

COL, CFZ, FOX, CIP, LVX, SXT, TGC

E684

2015.1

Colorectal surgery

Secretion

B1

ST156

2

fimH, traT, iutA

COL, CFZ, CTX, FEP, ATM, GEN, CIP, LVX, SXT

E921

2015.4

Hepatobiliary surgery

Secretion

A

ST167

3

fyuA, traT, iutA

COL, CFZ, CTX, ATM, GEN, CIP, LVX, SXT

E1005

2015.5

Hepatobiliary surgery

Drainage-fluid

A

ST167

3

fyuA, cvaC, traT, iutA

COL, CFZ, CTX, ATM, GEN, CIP, LVX, SXT

  1. CFZ cefazolin, FOX cefoxitin, CTX cefotaxime, FEP cefepime, TZP piperacillin/tazobactam, ATM aztreonam, IPM imipenem, ETP ertapenem, AMK amikacin, GEN gentamicin, CIP ciprofloxacin, LVX levofloxacin, SXT trimethoprim/sulfamethoxazole, TIG tigecycline, COL colistin, MLST multi-locus sequence typing, ERIC enterobacterial repetitive intergenic consensus, VFs virulence factor genes