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Amounts of LPS in wild-type P. mirabilis (N2), the PpmrI knockout mutant (dIp), and the PPmrI-complemented strain (dIpc) in the absence and presence of PB
| Strain | LPS concn (mg/ml)a |
|
|---|---|---|
| PB (−) | PB (+) | |
| N2 | 13.2 ± 0.7 | 6.8 ± 0.6 |
| dIp | 13.1 ± 1.1 | 12.9 ± 0.9 |
| dIpc | 13.0 ± 0.8 | 7.0 ± 0.6 |
LPS was quantitated as described in Materials and Methods in the absence [(−)] or presence [(+)] of 1 μg/ml polymyxin B.
