TABLE 1.
Summary of gene cassettes present in identified integrons
| Cassettec | No. of isolates containing an integrona
|
|||||||
|---|---|---|---|---|---|---|---|---|
| Group A
|
Group B, E. colib | Group C
|
Total | |||||
| E. coli | Citrobacter freundii | Enterobacter spp. | Klebsiella spp. | E. coli | Agrobacterium radiobacter | |||
| aadA or aadA1(a) | 10 | 3 (H) | 13 | |||||
| aadA6 | 1 | 1 | 1 | 3 | ||||
| dhfrVII | 1 (G) | 1 | ||||||
| dhfrI-aadA1(a) | 3 (G) | 4 | 7 | |||||
| dhfrI-aadA3 | 1 | 1 | ||||||
| dhfrA17-aadA5 | 2 | 2 (G) | 4 | |||||
| Gene-aadA | 1 (G) | 1 | ||||||
| aadB-gene-aadA | 1 | 1 | ||||||
| aadB-gene-cmlA | 1 | 1 | ||||||
| Unidentified peptide | 1 | 1 (G) | 2 | |||||
| Data not available | 4 | 1 | 2 | 2 | 3 (G) | 12 | ||
| intI1 and promoters | 3 | 1 | 4 | |||||
a
The total numbers of isolates for groups A, B, and C were 31, 14, and 5, respectively.
b
G, the isolates were from general-practice patients; H, the isolates were from hospitalized patients.
c
“Gene” indicates the presence of a gene for which sequence data of insufficient quality for analysis were obtained.