Table 2. Summary of presence or absence of genes of interest in the seven published complete Bradyrhizobium genomes, four isolates from North America forest soils and the two novel strains G22 and BF49 (+ = present, − = absent).
| Function | Gene(s) | G22 | BF49 | S23321 | ORS278 | BTAi1 | S58 | USDA 110 | USDA 6 | E109 | >LTSP849 | LTSP857 | LTSP885 | LTSPM299 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nitrogen fixation | nifDKH | − | − | + | + | + | + | + | + | + | − | − | − | − |
| Nitrogen fixation | fixLJ | + | + | + | + | + | + | + | + | + | − | − | − | − |
| Nodulation | nodD | − | − | − | − | − | − | + | + | + | − | − | − | − |
| Nodulation | nodABC | − | − | − | − | − | − | + | + | + | − | − | − | − |
| Denitrification | Nitrate reductase napA/B | + | + | + | + | + | + | + | + | + | + | + | + | + |
| Denitrification | Nitrite reductase nirK | + | + | + | + | + | + | + | + | + | − | − | − | − |
| Denitrification | Nitric oxide reductase norB/C | + | + | + | + | + | + | + | + | + | − | − | − | − |
| Denitrification | Nitrous oxide reductase nosZ | − | + | − | − | + | + | + | − | − | − | − | − | − |
| Uptake hydrogenase | hup | − | − | − | + | + | + | + | + | + | − | − | − | − |
| Photosynthesis | Bacteriochlorophyll bchCXYZ/FNBHLM | − | − | + | + | + | + | − | − | − | − | − | − | − |
| Photosynthesis | Carotenoids crtEF | − | − | + | + | + | + | − | − | − | − | − | − | − |
| Photosynthesis | LIght harvesting complexes pucBAC/pufBA | − | − | + | + | + | + | − | − | − | − | − | − | − |
| Photosynthesis | Reaction centre subunits puhA/pufLM | − | − | + | + | + | + | − | − | − | − | − | − | − |
| Carbon fixation | RuBisCo | + | + | + | + | + | + | + | + | + | + | + | + | + |