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Table 2 Sources, numbers, sizes, inserted cassettes and groups of cassettes arrays of integrons, among integron class 1-positive K. pneumoniae isolates

From: Molecular characterization of class 1, 2 and 3 integrons in clinical multi-drug resistant Klebsiella pneumoniae isolates

Source

Isolate (N) (%)

intI1 (No = 150)

Cs1 (No = 132)

NO. of Integrons Class1

Integron Sizes(s) (bp)

Inserted Cassette(s)

Groups of Cassettes Arrays of Integrons Class 1

Urine

14 (9.3)

+

–

–

–

NO cassette

A

25 (16.6)

+

+

2

708

dfrA5, dfrA30

B

3 (2.0)

+

+

1

1002

aadA2

C

13 (8.7)

+

+

2

1500

aadA2, dfrA12

D

10 (6.7)

+

+

3

1610

dfrA17, aadA5, aadA4

E

7 (4.6)

+

+

3

708,1002

dfrA5, dfrA30, aadA2

F

13 (8.7)

+

+

4

708,1500

dfrA5, dfrA30, aadA2, dfrA12

G

2 (1.3)

+

+

5

708, 1610

dfrA5, dfrA30, dfrA17, aadA5, aadA4

H

4 (2.6)

+

+

3

1002,1500

aadA2, aadA2, dfrA12

I

8 (5.3)

+

+

5

708,1002, 1500

dfrA5, dfrA30, aadA2, aadA2, dfrA12

J

Respiratory

3 (2.0)

+

+

 

–

NO cassette

A

15 (10)

+

+

2

708

dfrA5, dfrA30

B

1 (0.7)

+

+

1

1002

aadA2

C

10 (6.7)

+

+

2

1500

aadA2, dfrA12

D

6 (4.0)

+

+

3

1610

dfrA17, aadA5, aadA4

E

2 (1.3)

+

+

3

708,1002

dfrA5, dfrA30, aadA2

F

1 (0.7)

+

+

4

708,1500

dfrA5, dfrA30, aadA2, dfrA12

G

1 (0.7)

+

+

3

1002,1500

aadA2, aadA2, dfrA12

I

1 (0.7)

+

+

5

708,1002, 1500

dfrA5, dfrA30, aadA2, aadA2, dfrA12

J

Blood

1 (0.7)

+

+

3

1610

dfrA17, aadA5, aadA4

E

1 (0.7)

+

+

3

708,1002

dfrA5, dfrA30, aadA2

F

Wound

3 (2.0)

+

+

2

708

dfrA5, dfrA30

B

3 (2.0)

+

+

3

1610

dfrA17, aadA5, aadA4

E

CSF

1 (0.7)

+

+

 

–

NO cassette

A

Catheter

2 (1.3)

+

+

2

1500

aadA2, dfrA12

D