TABLE 1.
Paenibacillus strains used in this study.
| Organism | Strain | Isolation source | Plant host | 16S rRNA gene accession no. |
| Paenibacillus peoriae | RP20 | Nodule | Robinia pseudoacacia | MN715870 |
| Paenibacillus peoriae | RP51 | Nodule | Robinia pseudoacacia | MN715872 |
| Paenibacillus peoriae | RP62 | Nodule | Robinia pseudoacacia | MN715875 |
| Paenibacillus peoriae | CFCC 1854 | Nodule | Dendrolobium triangulare | MT093458 |
| Paenibacillus sp. | RP31 | Nodule | Robinia pseudoacacia | MN715871 |
| Paenibacillus kribbensis | CFCC 1865 | Nodule | Ormosia semicastrata | MT093459 |
| Paenibacillus endophyticus | CCTCC AB 2014195T | Nodule | Cicer arietinum | KC447384 |
| Paenibacillus enshidis | CCTCC AB 2013275T | Nodule | Robinia pseudoacacia | KF862945 |
| Paenibacillus puldeungensis | CFCC 13938 | Nodule | Acacia crassicarpa | MT093460 |
| Paenibacillus taichungensis | CFCC 1991 | Nodule | Acacia implexa | MT093461 |
| Paenibacillus sp. | RP43 | Nodule | Robinia pseudoacacia | MT040706 |
| Paenibacillus peoriae | CGMCC 1.3761T | Soil | Not applicable | AJ320494 |