TABLE 1.

Phylogenetic affiliations of 16S rRNA gene clones belonging to the domain Bacteria

PhylumNo. of clones% of totalNo. of typesa
Proteobacteria
    Alpha class21.82
    Beta class1412.512
    Gamma class119.87
    Delta class2623.220
Nitrospira1513.46
Acidobacteria98.08
Bacteroidetes76.36
Chlorobi54.54
Actinobacteria21.82
Cyanobacteria10.91
Verrucomicrobia10.91
Planctomycetes32.73
Chloroflexi87.18
OP810.91
WS321.81
Unidentified43.64
    Total11210086
  • a An identical type was defined as a group of sequences with >97% similarity.