Table V.
Reduced polymyxin sensitivity of S. meliloti cells expressing lpxE
Zone of clearing diameter
|
|||
---|---|---|---|
Strain | 2 μg of polymyxin | 10 μg of polymyxin | 20 μg of polymyxin |
mm | |||
R. etli CE3/pRK404a | 8 | 12.5 | 14 |
R. etli CE3/pLpxE-2 | 10 | 13 | 15 |
R. etli CE3/pLpxE-3 | 10 | 13 | 15 |
S. meliloti 1021/pRK404a | 9 | 17 | 18 |
S. meliloti 1021/pLpxE-2 | <6 | <6 | 7 |
S. meliloti 1021/pLpxE-3 | <6 | <6 | 7 |