Table 1.
Bacterial strains used in this study
| Species | Strain | Phylogenetic group |
|---|---|---|
| Frankia sp. | DSM 43829 | Actinobacteria |
| Cyanothece sp. | PCC 7425 | Cyanobacteria |
| Nostoc commune | CCAP 1453/33 | Cyanobacteria |
| Nostoc sp. | PCC 7120 | Cyanobacteria |
| Nostoc punctiforme | PCC 73102 | Cyanobacteria |
| Paenibacillus sabinae | DSM 17841 | Firmicutes |
| Azospirillum brasilense | DSM 1690 | Alphaproteobacteria |
| Bradyrhizobium japonicum | USDA 110 | Alphaproteobacteria |
| Methylosinus trichosporium | OB3ba | Alphaproteobacteria |
| Rhizobium leguminosarum | DSM 30132 | Alphaproteobacteria |
| Sinorhizobium meliloti | 1021b | Alphaproteobacteria |
| Sphingomonas azotifigens | DSM 18530 | Alphaproteobacteria |
| Xanthobacter autotrophicus | DSM 432 | Alphaproteobacteria |
| Acidithiobacillus ferrooxidans | DSM 14882 | Betaproteobacteria |
| Burkholderia xenovorans | DSM 17367 | Betaproteobacteria |
| Azotobacter vinelandii | DSM 85 | Betaproteobacteria |
| Methylococcus capsulatus | Batha | Betaproteobacteria |
| Pseudomonas stutzeri | DSM 4166 | Betaproteobacteria |
| Geobacter sulfurreducens | DSM 12127 | Deltaproteobacteria |