TABLE 1.
Occurrence of clonal group A isolates, sulfamethoxazole and trimethoprim resistance, and related PFGE profiles among phylogroup D E. coli isolates from various sources
| Source (no. of E. coli isolates) | No. (%) of CgA isolates | Isolate | Drug resistancea | Related PFGE profilesb |
|---|---|---|---|---|
| Danish broiler chickens (30) | 5 (17) | 7630114-1 | ||
| 7630135-1 | SUL, TRI | |||
| 7630311-1 | ||||
| 7630534-1 | SUL, TRI | |||
| 7630634-1 | SUL, TRI | |||
| Danish broiler chicken meat (40) | 4 (10) | 7633036-3 | ||
| 7633041-7 | ||||
| 7633080-10 | ||||
| 7633083-6 | ||||
| Imported broiler chicken meat (10) | 0 (0) | |||
| Danish pigs (16) | 0 (0) | |||
| Danish pork (12) | 0 (0) | |||
| Community-dwelling humans (27) | 5 (19) | 1944C04 | A | |
| 2171C04 | B | |||
| 2231C04 | ||||
| 2559C04 | A | |||
| 2656C04 | ||||
| UTI patients (23) | 11 (48) | 27-a | SUL, TRI | C |
| 35-a | SUL, TRI | C | ||
| 104-a | SUL | B | ||
| 140-a | SUL | |||
| 173-a | SUL | |||
| 175-a | SUL, TRI | |||
| 182-a | D | |||
| 187-a | SUL, TRI | A | ||
| 195-a | SUL, TRI | B | ||
| 275-a | D | |||
| 303-a | SUL |
a
SUL, sulfamethoxazole; TRI, trimethoprim.
b
A, two community-dwelling human isolates and one UTI isolate had closely related PFGE profiles; B, one community-dwelling human isolate and two UTI isolates had PFGE profiles possibly related to that of the ATCC BAA-457 strain; C, two UTI isolates had closely related PFGE profiles; D, two UTI isolates had indistinguishable profiles.