Table 2 DNA fragmentation levels obtained in strains of E. coli with different susceptibilities to CIP.

C-20

-

0.007

1.5 ± 0.3

6.7 ± 0.8

10.3 ± 2.5

C-15

Ser83Leu from GyrA

0.25

1.7 ± 0.3

6.2 ± 0.7

8.7 ± 1.1

1273

Ser83Leu and Asp87Tyr from GyrA

8

0

1.8 ± 0.3

2.7 ± 0.4

1383

Ser83Leu and Asp87Tyr from GyrA and Ser80Ile and Glu84Lys from ParC

128

0

0

0

J53

-

0.007

1.8 ± 0.8

9.2 ± 1.2

10.4 ± 2.0

J53qnrA1

Plasmid gene J53qnrA1

0.25

1.9 ± 0.4

9.5 ± 1.3

9.8 ± 0.9