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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