TABLE 2.

Classification of clones of eukaryotes retrieved from treated water and biofilms of supply A and supply B

Kingdom or subkingdomWater supply AaWater supply BaAll analyzed samples
TW-A1BF-ATW-B1BF-B
No. (%) of OTUs% of clones in libraryNo. (%) of OTUs% of clones in libraryNo. (%) of OTUs% of clones in libraryNo. (%) of OTUs% of clones in libraryNo. (%) of OTUsbNo. (%) of clones in library
Free-living protozoa25 (48.1)33.429 (43.3)64.543 (67.2)52.231 (56.4)36.6127 (58.0)253 (46.4)
Fungi7 (13.5)8.912 (17.9)20.34 (6.3)2.96 (10.9)5.227 (12.3)51 (9.4)
Metazoa4 (7.7)24.43 (4.4)4.310 (15.6)23.514 (25.5)47.828 (12.8)134 (24.6)
Protophyta and plants3 (5.8)4.42 (3.0)1.50 (0)01 (1.8)0.75 (2.3)9 (1.7)
Organisms with <75% similarity13 (25.0)28.910 (14.9)9.47 (10.9)21.43 (5.5)9.732 (14.6)98 (17.9)
Total52 (100)10056 (100)10064 (100)10055 (100)100219 (100)545 (100)
  • a TW, treated water obtained directly from plant; BF, biofilm. The biofilm data are totals for the three analyzed biofilm samples.

  • b The total number of OTUs includes OTUs which were obtained from more than one sample type.