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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.

From: Interaction of legionella pneumophila and helicobacter pylori with bacterial species isolated from drinking water biofilms

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
  1. n.a. - not applicable.