TABLE 4.
Growth of M. immunogenum strain ATCC 700505T cells on glass, copper, and galvanized beads
| Incubation period or wk | CFU/cm2 (fold increase) of cells grown on indicated surfacea
|
|||
|---|---|---|---|---|
| Glass
|
Copper | Galvanized beads | ||
| Expt 1 | Expt 2 | |||
| Attachment | 1.1 × 105 | 4.2 × 104 | 3.0 × 104 | 6.0 × 103 |
| 1 | 5.6 × 105 | 1.0 × 105 | 9.2 × 105 | 1.3 × 106 |
| 2 | 6.8 × 105 | 4.2 × 105 | 1.4 × 106 | 2.6 × 106 |
| 3 | 3.4 × 105 | 8.4 × 105 | 1.9 × 106 | 5.6 × 106 |
| 4 | 3.0 × 105 (2.5) | 1.0 × 106 (24) | 3.6 × 106 (120) | 5.0 × 106 (833) |
a
Average of two independent experiments.