Supplementary table 1. Number of clones, OTU0.03, and relative abundance of the eleven major lineages analyzed in this study. Data are from (Elshahed, et al., 2008) or computed from clone libraries described in (Roesch, et al., 2007).

Soil / Phylum / Number of clones / Number of OTUs / % Abundances
KFS / Acidobacteria / 2651 / 534 / 20.3
Actinobacteria / 3193 / 801 / 24.5
a-Proteobacteria / 1339 / 405 / 10.3
Bacteroidetes / 598 / 149 / 4.6
b-proteobacteria / 507 / 133 / 3.9
Chloroflexi / 1030 / 360 / 7.9
d-proteobacteria / 1246 / 304 / 9.6
Firmicutes / 183 / 96 / 1.4
Gemmatimonadetes / 307 / 101 / 2.4
Planctomycetes / 529 / 277 / 4.1
Verrucomicrobia / 668 / 157 / 5.1
Brazil / Acidobacteria / 3636 / 46 / 14
Actinobacteria / 1277 / 38 / 4.9
a-Proteobacteria / 3166 / 49 / 12.2
Bacteroidetes / 5159 / 40 / 19.9
b-proteobacteria / 3663 / 30 / 14.1
Chloroflexi / 212 / 48 / 0.8
d-proteobacteria / 1231 / 80 / 4.8
Firmicutes / 537 / 71 / 2.1
Gemmatimonadetes / 221 / 23 / 0.85
Planctomycetes / 41 / 26 / 0.16
Verrucomicrobia / 619 / 25 / 2.4
Florida / Acidobacteria / 1732 / 75 / 6.3
Actinobacteria / 603 / 63 / 2.2
a-Proteobacteria / 2275 / 52 / 8.3
Bacteroidetes / 5640 / 39 / 20.6
b-proteobacteria / 5854 / 32 / 21.4
Chloroflexi / 324 / 52 / 1.2
d-proteobacteria / 3153 / 93 / 11.5
Firmicutes / 581 / 117 / 2.1
Gemmatimonadetes / 412 / 52 / 1.5
Planctomycetes / 349 / 51 / 1.3
Verrucomicrobia / 749 / 42 / 2.7
Illinois / Acidobacteria / 3075 / 34 / 9.8
Actinobacteria / 1999 / 66 / 6.4
a-Proteobacteria / 3467 / 31 / 11.1
Bacteroidetes / 7145 / 42 / 22.8
b-proteobacteria / 5457 / 40 / 17.4
Chloroflexi / 208 / 42 / 0.66
d-proteobacteria / 2573 / 83 / 8.2
Firmicutes / 1109 / 70 / 3.5
Gemmatimonadetes / 546 / 43 / 1.7
Planctomycetes / 89 / 31 / 0.28
Verrucomicrobia / 1700 / 29 / 5.4
Canada / Acidobacteria / 5719 / 52 / 10.8
Actinobacteria / 5485 / 60 / 10.4
a-Proteobacteria / 6217 / 61 / 11.8
Bacteroidetes / 7834 / 67 / 14.8
b-proteobacteria / 9916 / 59 / 18.8
Chloroflexi / 952 / 27 / 1.8
d-proteobacteria / 6424 / 58 / 12.2
Firmicutes / 1801 / 33 / 3.4
Gemmatimonadetes / 2187 / 25 / 4.1
Planctomycetes / 375 / 17 / 0.71
Verrucomicrobia / 1981 / 29 / 3.8