TABLE 1.
Susceptibilities of the qnrS1 donor (3963), transformant (TOP10-3963), and recipient (E. coli TOP10) strains to selected antibiotics
Strain | MIC (μg/ml)a
|
||||||
---|---|---|---|---|---|---|---|
CIP | LV | NA | ENRO | AMP | CRO | CTX | |
3963 | 0.38 | 0.5 | 16 | 2 | ≥256 | 0.032 | 0.047 |
Recipient E. coli TOP10 | 0.003 | 0.006 | 2 | 0.08 | 6 | 0.064 | 0.064 |
Transformant TOP10-3963 | 0.25 | 0.25 | 6 | 0.50 | ≥256 | 0.094 | 0.064 |
CIP, ciprofloxacin; LV, levofloxacin; NA, nalidixic acid; ENRO, enrofloxacin; AMP, ampicillin; CRO, ceftriaxone; CTX, cefotaxime.