Table 7.
Analysis for physical association betweenblagenes and various genetic elements
| |
|
Number (%) of β-lactamase physically linked to various genetic elements |
|||
|---|---|---|---|---|---|
| β-lactamase genes | Number of isolates tested | IS26 | ISEcp1 | ISCR1 | Integrons |
|
blaSHV-1 |
60 |
23 (38) |
12 (20) |
10 (17) |
9 (15) |
|
blaOXA-1 |
43 |
12 (28) |
21 (49) |
32 (74) |
36 (84) |
|
blaOXA-2 |
17 |
0 |
2 (12) |
5 (29) |
3 (18) |
|
blaSHV-5 |
18 |
10 (55) |
5 (28) |
3 (17) |
1 (6) |
|
blaSHV-12 |
19 |
7 (37) |
4 (21) |
3 (16) |
2 (11) |
|
blaCTX-M-1 |
9 |
1 (11) |
0 |
2 (22) |
1 (11) |
|
blaCTX-M-3 |
15 |
6 (40) |
0 |
0 |
0 |
|
blaCTX-M-8 |
6 |
2 (33) |
1 (17) |
0 |
0 |
|
blaCTX-M-9 |
3 |
0 |
1 (33) |
3 (100) |
0 |
|
blaCTX-M-14 |
25 |
10 (40) |
3 (12) |
5 (20) |
3 (12) |
|
blaCTX-M-15 |
32 |
4 (13) |
30 (94) |
0 |
0 |
|
blaTEM-103 |
18 |
2 (11) |
0 |
1 (6) |
1 (6) |
|
blaTEM-109 |
9 |
0 |
0 |
0 |
0 |
|
blaTEM-50 |
10 |
2 (20) |
1 (10) |
6 (60) |
3 (30) |
|
blaTEM-52 |
37 |
29 (78) |
1 (3) |
3 (8) |
2 (5) |
|
blaTEM-78 |
9 |
2 (22) |
0 |
3 (33) |
2 (22) |
|
blaTEM-125 |
36 |
3 (8) |
0 |
3 (8) |
2 (6) |
|
blaTEM-152 |
14 |
1 (7) |
0 |
4 (29) |
2 (14) |
|
blaTEM-158 |
10 |
1 (10) |
0 |
0 |
0 |
| blaCMY-2 | 48 | 12 (25) | 42 (88) | 12 (25) | 3 (6) |
Analysis for physical linkages between bla genes and various genetic elements. The bla content of the isolates analyzed had been determined in a past study [3].