Table 2 Point mutation in QRDR and sequence type (ST) of the E. coli strains at the start of the long-term exposure T = 0 and after treatment with flumequine or enrofloxacin at T = 9

From: Flumequine, a fluoroquinolone in disguise

 

T = 0

T = 9 flumequine

T = 9 enrofloxacin

Strain

Amino acid substitution

ST

Amino acid substitution

ST

Amino acid substitution

ST

WGS-ecoli-sample-38

-

5334

GyrA A119Ea

5334

Unknown

5334

WGS-ecoli-sample-46

-

349

GyrA D87H

349

GyrA D87G

349

WGS-ecoli-sample-47

-

8070

GyrA D87Y

8070

GryA D678Ea

8070

WGS-ecoli-sample-49

-

58

GyrA D87G

58(SLV)

GyrA D87G

58

WGS-ecoli-sample-64

-

4642

GyrA D87G

4642

GyrA D87G

4642

WGS-ecoli-sample-70

-

2307

GyrA D87G

2307

GyrA D87G

2307(DLV)

WGS-ecoli-sample-88

-

40

GyrA L447Ma

40

GyrA D87G

40

WGS-ecoli-sample-107

-

101

GyrA E153Ga

101

GyrA D87G

101

WGS-ecoli-sample-113

-

720

ParC S57T

720(SLV)

GyrA D87Y,

ParC S57T

720

WGS-ecoli-sample-99 (Control)

GyrA S83L

752

GyrA S83L

752

GyrA S83L

752

  1. SLV single locus variant, DLV double locus variant.
  2. aamino acid substitutions which were not present in the Resfinder database.