Table 1 Average of the total number of cells, L. pneumophila PNA-positive, cultivable L. pneumophila and cultivable non-legionellae cell numbers in mono and dual-species biofilms obtained for all the time points sampled.
Strain in biofilm | Total cells × 10-7 (cells cm-2) | PNA cells × 10-7 (cells cm-2) | Cultivable L. pneumophila× 10-6 (CFU cm-2) | Cultivable non - legionellae× 10-6 (CFU cm-2) |
|---|---|---|---|---|
L. pneumophila | 4.42 | 1.48 | 5.25 | n.a. |
L. pneumophila and V. paradoxus | 3.51 | 1.11 | 4.11 | 4.49 |
M. chelonae | 4.87 | 1.05 | 4.65 | 0.19 |
Acidovorax sp. | 4.12 | 1.59 | 1.05 | 6.55 |
Sphingomonas sp. | 3.80 | 0.83 | 1.45 | 1.06 |