Table 3.
Distribution of gene cassette arrays found in class 1 integrons among phylogenetic groups of E. coli belongs to Ec-ESBL collection
| |
|
Phylogenetic groups (number of isolates) |
|||
|---|---|---|---|---|---|
| Cassettes | Total | A (N=23) | B1 (N=26) | B2 (N=5) | D (N=15) |
|
ant(3″)-Ia |
3 |
2 (8.7%) |
0 |
0 |
1 (6.7%) |
|
dfrA1-ant(3″)-Ia |
7 |
4 (17.4%) |
2 (7.7%) |
0 |
1 (6.7%) |
|
blaOXA-1-ant(3″)-Ia |
1 |
1 (4.3%) |
0 |
0 |
0 |
|
dfrA12-ant(3″)-Ib |
0 |
0 |
0 |
0 |
0 |
|
dfrA16-ant(3″)-Ib |
4 |
2 (8.7%) |
1 (3.8%) |
0 |
1 (6.7%) |
|
dfrA17-ant(3″)-Ie |
8 |
3 (13%) |
1 (3.8%) |
1 (20%) |
3 (20%) |
|
ant(2″)-Ia |
0 |
0 |
0 |
0 |
0 |
| ant(3″)-Ia-ant(2″)-Ia | 0 | 0 | 0 | 0 | 0 |