TABLE 3.
Retention of antibiotic resistance under nonselective conditions
| Strain(s) | % Resistant colonies after indicated no. of passagesa
|
||||
|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | |
| Temecula1/pXF004 | 30 | 0 | 0 | 0 | 0 |
| Temecula1/pXF005 | 35 | 0 | 0 | 0 | 0 |
| Temecula1/pBBR1MCS-5 | 50 | 25 | 15 | 0.5 | 0 |
| NS1 insertion strains | 100 | 100 | 100 | 100 | 100 |
a
The percentage of antibiotic-resistant colonies through passages 1 to 5 (approximately 17, 34, 51, 68, and 85 generations) under nonselective growth conditions. Data are averages from three independent experiments.