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Table 3 Fluoroquinolone resistance mechanisms, O types and fimH subclone among 83 ST131 E. coli isolates

From: Prevalence and characteristics of ST131 clone among unselected clinical Escherichia coli in a Chinese university hospital

CIPa

fimH type (n)

O type (n)

N

gyrA

parC

parE

aac(6′)-Ib-cr

qnr (n)

R

H30

O25b

48

S83 L, D87N

S80I, E84V

I529L

9

qnrS1(1)

R

H41

O16

3

S83 L, D87N

S80I, E84V

I529L

1

qnrB1(1)

R

H30

O25b

1

S83 L, D87N

S80I

P415L

–

–

R

H41

O16

1

S83 L, D87N

S80I

I529L

–

–

R

H41

O16

1

S83 L, D87N

S80I

S458A

1

–

R

H41

O16

3

S83 L, D87N

S80I

L445H

1

–

R

H41

O25b

1

S83 L, D87N

S80I

L445H

–

–

I

H41

O25b

1

NDb

ND

ND

1

qnrB1(1)

S

H41

O16

19

ND

ND

ND

1

–

S

H41

O25b

2

ND

ND

ND

–

qnrS1(1)c

S

H30

O25b

3

ND

ND

ND

–

–

  1. aR, resistant; I, intermediate; S, susceptible
  2. bND, not detected
  3. cIn this isolate, bla CTX-M-15 was positive
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Antimicrobial Resistance & Infection Control

ISSN: 2047-2994

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