Table 1.
Phenotypic traits of 10 clinical isolates selected for further study. Two of the most phenotypically variable isolates were selected from each of the five patients. Originally, 40 isolates were selected from each patient’s urine culture (isolate A39 is the 39th isolate from patient A)
|
Isolate |
Ciprofloxacin AST |
Gentamicin AST |
Meropenem AST |
Piperacillin/Tazobactam AST |
Pyocyanin assay |
RAPD PCR typing |
ExoU/S |
|---|---|---|---|---|---|---|---|
|
A1 |
S |
S |
S* |
S* |
overproducer |
A type |
ExoU |
|
A39 |
S |
S |
S* |
S* |
underproducer |
A type |
ExoU |
|
B12 |
S |
S |
R |
S |
overproducer |
B type |
ExoU |
|
B13 |
R |
S |
R |
S |
underproducer |
B type |
ExoU |
|
D1 |
S |
S |
S |
S |
overproducer |
D type |
ExoS |
|
D35 |
S |
S |
S |
S |
overproducer |
D type |
ExoS |
|
G7 |
R* |
S |
R |
S* |
underproducer* |
G type |
ExoS |
|
G30 |
S* |
S |
R |
S* |
overproducer* |
G type |
ExoS |
|
J7 |
S* |
S* |
S |
S |
underproducer |
J type |
ExoS |
|
J28 |
S* |
S* |
S |
S |
underproducer |
J type |
ExoS |
*Indicates significant difference between two isolates from the same patient (One-way ANOVA Tukey post-hoc, P<0.01).