TABLE 3.
bla gene and antibiotic susceptibility of serovar Wien clinical isolates, E. coli NM554, and E. coli BZB 1107 (OmpF−) recipients and transformantsa
| Strain | β-Lactam selector |
bla gene
|
Antibiotic susceptibility
|
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TEM-1B | SHV2a | CMY-4 | CTX-M-3 | GEN | KAN | TOB | NET | AMI | TET | CMP | SFA | TMP | STX | ||
| Recipient E. coli | |||||||||||||||
| NM 554 | − | − | − | − | S | S | S | S | S | S | S | S | S | S | |
| BZB 1107 (OmpF−) | − | − | − | − | S | R∗ | S | S | S | I∗ | S | S | S | S | |
| Clinical isolate | |||||||||||||||
| Serovar Wien 468 | + | + | + | − | R | R | R | S | S | R | R | R | S | S | |
| Serovar Wien 1107 | + | + | + | + | R | R | R | R | R | R | R | R | R | R | |
| Transf. E. coli NM554 x | |||||||||||||||
| Serovar Wien 468 | CAZ or FOX or CTX | − | − | + | − | S | S | S | S | S | R | R | R | S | S |
| Serovar Wien 1107 | CAZ or FOX | − | − | + | − | S | S | S | S | S | R | R | R | S | S |
| Serovar Wien 1107 | CTX | − | − | − | + | R | R | R | R | R | S | S | R | R | R |
| Transf. E. coli BZB 1107 (OmpF−) x | |||||||||||||||
| Serovar Wien 468 | CAZ or FOX or CTX | − | − | + | − | S | R∗ | S | S | S | R | R | R | S | S |
| Serovar Wien 1107 | CAZ or FOX | − | − | + | − | S | R∗ | S | S | S | R | R | R | S | S |
| Serovar Wien 1107 | CTX | − | − | − | + | R | R | R | R | R | I∗ | S | R | R | R |
a
+, positive reaction; −, negative reaction; R, resistant; S, susceptible; ∗, resistance marker of E. coli BZB 1107 (OmpF−) recipient; Transf., transformant.