TABLE 2.
Frequencies of OTUs within the Bacteria domain derived from the SSU rRNA sequences from a Chloroflexus mat hot spring in Iceland
| OTU | No. of clones | Bacterial division | Closest database match (%) |
|---|---|---|---|
| CHI-1 | 55 | Chloroflexaceae | Chloroflexus aurantiacus (99) |
| CHI-2 | 15 | Aquificales | NAK14 (98) |
| CHI-3 | 14 | Thermus-Deinococcus | Thermus sp. strain NMX2 A.1 (98–100) |
| CHI-4 | 11 | Meiothermus | Meiothermus cerbereus (96) |
| CHI-5–CHI-8 | 8 | New divisions? | Uncertain affiliation (<88) |
| CHI-9 | 5 | Nitrospira group | Thermodesulfovibrio sp. (97) |
| CHI-10 | 4 | Aquificales | Calderobacterium hydrogenophilum (96–97) |
| CHI-11 | 2 | Thermotogales | Fervidobacterium gondwanalandicum (97) |
| CHI-12 | 2 | Aquificales | Thermocrinis ruber (94) |
| CHI-13 | 2 | Stigonematales | Chlorogloeopsis sp. (99) |
| CHI-14 | 1 | Proteobacteria; alpha subdivision | Craurococcus roseus (90) |
| CHI-15 | 1 | Proteobacteria; gamma subdivision | Thiobacillus hydrothermalis (94) |
| CHI-16 | 1 | Green nonsulfur bacterium | OPB34 (97) |
| CHI-17 | 1 | Thermus-Deinococcus | Thermus sp. strain ZHGIB A.4 (97) |
| CHI-18 | 1 | Meiothermus | Meiothermus ruber (99) |
| Total clones | 123 |