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Table 1 Phylogroup (PhG), clonal relationship defined by REP-PCR patterns (REP), Pulsed-Field Gel Electrophoresis (PFGE), and Multilocus Sequence Typing (MLST), MIC of quinolones, mutations in topoisomerase genes, and presence of haemolysins and virulence-associated genes in a representative set of isolates

From: Production of HlyA and ClyA haemolysins among quinolone-resistant Escherichia coli isolated from clinical samples

 

MLST

MIC (μg/ml)

Mutations

Haemolysins

Virulence-associated genes

Isolate

PhG

REP (n)

PFGE

ST

ST cplx

NAL

NOR

CIP

LEV

gyrA

parC

hlyA

clyA

traT

iroN

ibeA

fyuA

cnf1

PAI

papC

K5

KpsMTII

Hly-557

D

A (4)

1B

350

350

>512

>16

16

8

S83L D87N

S80I

-

+

-

-

+

-

-

-

-

-

-

Hly-1872

D

2

57

>512

>16

8

4

S83L D87N

S80I

-

+

+

-

+

-

-

-

-

-

-

Hly-263

D

B (1)

3

405

405

32

0.5

0.125

0.125

D87G

/

+

+

+

-

+

+

+

+

+

+

+

Hly-520

B2

C (16)

4A

12

12

256

0.5

0.25

0.25

S83L

/

+

-

+

+

-

+

+

+

+

+

+

Hly-6129

B2

5

256

1

0.25

0.25

S83L

/

+

-

-

+

-

+

+

+

+

-

-

Hly-2304

B2

D (1)

6

599

12

>512

>16

1

1

S83L

/

+

-

+

-

-

+

+

-

+

-

-

Hly-4105

B2

E (19)

7

372

None

128

0.5

0.25

1

S83L

/

+

-

-

+

+

+

+

+

+

-

-

Hly-2425

B2

F (7)

8A

372

None

128

1

0.25

0.25

S83L

/

+

-

+

+

+

+

+

+

+

+

+

Hly-4530

B2

G (10)

9

73

73

128

0.5

0.25

0.25

S83L

/

+

-

+

+

-

+

+

+

+

+

+

Hly-3308

B2

H (19)

10C

73

73

64

0.5

0.125

0.125

D87Y

/

+

-

+

+

-

+

+

+

-

+

+

Hly-5126

B2

I (2)

11

127

None

64

1

0.25

0.5

D82N

/

+

-

+

+

-

+

+

+

+

+

+

Hly-3606

B2

J (1)

12

127

None

64

0.5

0.25

0.25

S83L

/

+

-

+

+

-

+

+

+

+

+

+

Hly-2605

B2

K (6)

13C

131

None

256

1

0.25

0.5

S83L

/

+

-

+

+

+

+

+

+

+

+

+

Hly-3438

B2

L (1)

13D

128

0.5

0.25

0.25

S83L

/

+

-

+

+

+

+

+

+

+

+

+

Hly-1248

B2

M (1)

14

537

14

>512

4

1

0.5

S83L

S80R

+

-

+

+

+

-

+

-

+

+

+

  1. ST = Sequence Typing, ST cplx = Sequence Typing complexes, NAL = nalidixic acid, NOR = norfloxacin, CIP = ciprofloxacin, LEV = levoflofacin, S = Serine, L = Leucine, D = Aspartic acid, N = Asparagine, I = isoleucine, G = glycine, Y = tyrosine and R = arginine.