| Strains/plasmid | Purpose(s) |
| M. avium 104 | Wild-type strain. Host for prophage gene amplification. |
| M. smegmatis mc2 155 | Wild-type strain used as a host for M. avium prophage gene expression. Baseline control for all performed experiments. |
| pFJS3 | Promoterless pMV261; Used for prophage gene construction. |
| E. coli DH5B | Host for plasmid manipulation and propagation. |