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%) |
bla OXA-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 |