Table 1.
The distribution of Ni-CODHs in various phyla.
| Phylum | No. of genomes |
|---|---|
| Firmicutes | 748 (104)a |
| Proteobacteria | 232 (30) |
| Euryarchaeota | 199 (36) |
| Chloroflexi | 34 |
| Planctomycetes | 28 (2) |
| Nitrospirae | 21 |
| Candidatus Bathyarchaeota | 13 |
| Candidatus Omnitrophica | 12 |
| Thermodesulfobacteria | 9 |
| Aquificae | 7 (4) |
| Lentisphaerae | 6 |
| Nitrospinae | 6 |
| Spirochaetes | 6 |
| Actinobacteria | 5 |
| Bacteroidetes | 5 |
| Elusimicrobia | 5 |
| Armatimonadetes | 4 |
| Synergistetes | 4 |
| Candidatus Kryptonia | 3 |
| Chlorobi | 3 (2) |
| Unclassified bacteria | 3 |
| Acidobacteria | 2 |
| Candidate division WOR-3 | 2 |
| Candidatus Aminicenantes | 2 |
| Candidatus Desantisbacteria | 2 |
| Candidatus Thorarchaeota | 2 |
| Crenarchaeota | 2 |
| Caldiserica | 1 |
| Candidatus Fraserbacteria | 1 |
| Candidatus Geothermarchaeota | 1 |
| Candidatus Korarchaeota | 1 (1) |
| Candidatus Lokiarchaeota | 1 |
| Candidatus Pacearchaeota | 1 |
| Candidatus Raymondbacteria | 1 |
| Chrysiogenetes | 1 (1) |
| Deferribacteres | 1 |
| Thaumarchaeota | 1 |
| Total | 1375 (180) |
aThe numbers in parentheses are from a previous study (Techtmann et al., 2012).