Table 4 Distribution of gene cassette arrays found in class 1 integrons among phylogenetic groups of E. coli belongs to Ec-MRnoB collection
Phylogenetic groups (number of isolates) | |||||
|---|---|---|---|---|---|
Cassettes | Total | A (N=14) | B1 (N=9) | B2 (N=7) | D (N=15) |
ant(3″ )-Ia | 5 | 0 | 3 (33.3%) | 1 (14.3%) | 1 (6.7%) |
dfrA1-ant(3″ )-Ia | 6 | 3 (21.4%) | 1 (11.1%) | 0 | 2 (13.3%) |
bla OXA-1 - ant(3″ )-Ia | 1 | 1 (7.1%) | 0 | 0 | 0 |
dfrA12 - ant(3″ )-Ib | 3 | 1 (7.1%) | 0 | 1 (14.3%) | 1 (6.7%) |
dfrA16 - ant(3″ )-Ib | 0 | 0 | 0 | 0 | 0 |
dfrA17 - ant(3″ )-Ie | 16 | 4 (28.6%) | 2 (22.2%) | 4 (57.1%) | 6 (40%) |
ant(2″ )-Ia | 1 | 0 | 0 | 0 | 1 (6.7%) |
ant(3″ )-Ia - ant(2″ )-Ia | 2 | 2 (14.3%) | 0 | 0 | 0 |