TABLE 6.
Results for MICs, nitrocefin disc testing, and blaZ variants for isolates with discrepant results for penicillin in the validation set by the v2.0 genotype prediction method
| Isolatea | In silico MLST | Initial consensus phenotypeb | MIC (mg/liter) | Nitrocefin disc test result |
blaZ variantc | |
|---|---|---|---|---|---|---|
| 10 min | 120 min | |||||
| C00001124 | ST45 | S | 0.12 | − | − | InsA436 |
| C00001241 | ST30 | S | 0.12 | − | − | InsA256 |
| C00001144 | ST30 | S | 0.12 | − | − | A99− |
| C00001203 | ST30/36 | S | 0.06 | − | − | A99− |
| C00013228 | ST30 | S | 0.06 | − | − | A99− |
| C00013375 | ST7 | S | 0.12 | − | − | A99− |
| C00001080* | ST22 | S | 0.12 | + | + | Similar to wild type |
| C00001092* | ST2417 | S | 0.12 | + | + | Similar to wild type |
| C00001112 | ST2438 | S | 0.25 | + | + | Similar to wild type |
| C00001148 | ST1 | S | 0.12 | + | + | Similar to wild type |
| C00001158 | ST582 | S | 0.12 | + | + | Similar to wild type |
| C00001142 | ST582 | S | 0.12 | + | + | Similar to wild type |
| C00001192 | ST2417 | S | 0.12 | + | + | Similar to wild type |
| C00001199 | ST30 | S | 0.12 | + | + | Similar to wild type |
| C00001205 | ST30 | S | 0.06 | + | + | Similar to wild type |
| C00001217 | ST30 | S | 0.12 | + | + | Similar to wild type |
| C00001231 | ST22 | S | 0.12 | + | + | Similar to wild type |
| C00001266 | ST188 | S | 0.12 | + | + | Similar to wild type |
| C00012754 | ST20 | S | 0.25 | + | + | Similar to wild type |
| C00001277 | ST2445 | S | 0.12 | − | + | Similar to wild type |
| C00013249 | ST45 | S | 0.06 | − | + | Similar to wild type |
| C00001093 | ST15 | S | 0.12 | − | + | Similar to wild type |
| C00001104 | ST8 | S | 0.023 | − | − | Similar to wild type |
| C00001111 | ST5 | S | 0.12 | − | − | Similar to wild type |
| C00001182 | ST5 | S | 0.12 | − | − | Similar to wild type |
| C00001147* | ST22 | R | 0.5 | − | − | Absent |
| C00012780 | ST97 | R | 0.25 | − | − | Absent |
| C00013232 | ST7 | R | 0.06 | − | − | Absent |
a
Isolates with discrepancies for one or more other antimicrobial agents are indicated by an asterisk.
b
S, sensitive; R, resistant.
c
InsA436, insertion of A at position 436; A99−, deletion of A at position 99.