Table 4.
Protein encoding genes predicted to be involved in plant growth promotion and resistance of strains P1-5, P1-18, P9-22, and P9-64 determined by RAST.
| Category | Subsystem | Myco. P1-5 | Myco. P1-18 | Myco. P9-22 | Myco. P9-64 | ||||
|---|---|---|---|---|---|---|---|---|---|
| n°R | n°G | n°R | n°G | n°R | n°G | n°R | n°G | ||
| Siderophore/Fe uptake | Siderophore receptors/transport | 1 | 1 | 5 | 6 | 3 | 3 | ||
| Ferrous iron transporter | 3 | 3 | 4 | 6 | 2 | 2 | 3 | 3 | |
| Phosphate solubilization | Phosphatase | 2 | 3 | 3 | 5 | 4 | 6 | 4 | 6 |
| Pyrroloquinoline Quinone biosynthesis | 5 | 5 | |||||||
| Phosphate uptake and transport | Low-affinity inorganic phosphate transport system | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| High-affinity phosphate transport system | 8 | 12 | 8 | 13 | 8 | 12 | 8 | 14 | |
| Phosphonate ABC transporter | 3 | 3 | |||||||
| Plant hormone | Auxin biosynthesis | 3 | 5 | 4 | 7 | 5 | 10 | ||
| Polyamine | Putrescine/spermidine synthesis | 4 | 3 | 4 | 10 | 8 | 8 | 6 | 11 |
| Putrescine/spermidine transport | 4 | 4 | 8 | 20 | 7 | 7 | 8 | 23 | |
| Resistance to heavy metals | Cobalt-zinc-cadmium resistance | 2 | 5 | 3 | 10 | 3 | 12 | 3 | 7 |
| Copper homeostasis/tolerance | 6 | 9 | 8 | 11 | 6 | 12 | 6 | 14 | |
| Arsenic resistance | 4 | 9 | 4 | 15 | 4 | 11 | 4 | 10 | |
| Mercury resistance and detoxification | 1 | 2 | 2 | 3 | 1 | 1 | 2 | 5 | |
| Chromium compounds resistance | 2 | 2 | 1 | 1 | |||||
| Uptake of selenate/selenite | 2 | 4 | 5 | 11 | 3 | 6 | 5 | 12 | |
| VOC's PGP | Acetoin butanediol metabolism | 5 | 9 | 6 | 9 | 6 | 12 | ||
| Resistance to antibiotics | Fluoroquinolone resistance | 4 | 5 | 4 | 4 | 4 | 4 | 4 | 4 |
| Beta-lactamase | 3 | 9 | 3 | 9 | 3 | 10 | 3 | 10 | |
| Oxalate catabolism | 1 | 1 | 1 | 1 | |||||
| 4-hydroxybenzoate degradation | 1 | 1 | |||||||
| Antibiosis compounds | Clavulanic acid biosynthesis | 1 | 1 | 1 | 1 | ||||
| Chitinase & β-hexosaminidase | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Resistance to oxidative stress | Peroxidase | 5 | 6 | 6 | 9 | 6 | 8 | 6 | 8 |
| Catalase | 1 | 4 | 1 | 10 | 1 | 3 | 1 | 6 | |
| Superoxide dismutase | 1 | 2 | 3 | 3 | 4 | 4 | 4 | 4 | |
| Hydroperoxide reductase | 4 | 6 | 3 | 6 | 5 | 7 | 3 | 7 | |
| Glutathione-mediated detoxification | 2 | 3 | 2 | 3 | 3 | 7 | 2 | 3 | |
| Mycothiol | 10 | 9 | 10 | 9 | 10 | 9 | 10 | 12 | |
| Heat/cold shock | Heat shock protein/chaperone | 15 | 17 | 15 | 18 | 15 | 18 | 15 | 19 |
| Cold shock protein | 2 | 3 | 2 | 2 | 2 | 3 | 2 | 3 | |
| Salt tolerance | Choline/betaine uptake and biosynthesis | 7 | 7 | 13 | 33 | 11 | 18 | 10 | 23 |
| Ectoine biosynthesis | 4 | 4 | |||||||
| K+/Na+ transport | 15 | 22 | 19 | 27 | 19 | 27 | 19 | 28 | |
| Trehalose biosynthesis | 12 | 9 | 10 | 13 | 9 | 11 | 10 | 12 | |
| Protection from UV radiation and oxidative stress | Mycosporine synthesis | 4 | 4 | ||||||
| Carotenoids | 9 | 13 | |||||||
n°R, number of subsystem roles/proteins; n°G, number of protein encoding genes (peg).