TABLE 1.
Bacterial strains and plasmids used in this study
| Strain or plasmid | Description | Reference or source |
|---|---|---|
| Strains | ||
| B. bacteriovorus 109JA | Facultatively HI mutant of 109J | 20 |
| B. bacteriovorus 109J-SJ | Facultatively HI mutant of 109J | This study |
| B. bacteriovorus 109JA-E7 | Predation-deficient mutant, Kmr | This study |
| B. bacteriovorus 109JA-C5 | Predation-deficient mutant, Kmr | This study |
| E. coli K-12 | Wild type | ATCC |
| E. coli DH5α λpir | recA1 endA1 gyrA96 thi-1 hsdR17 supE44 relA1 deoRΔ (lacZYA-argF)U169 λpir+ | 17 |
| E. coli BW20767 | RP4-2-Tc::Mu-1 kan::Tn7 integrant, leu-63::IS10 recA1 zbf-5 creB510 hsdR17 endA1 thi uidA(ΔMluI)::pir+ | 16 |
| Plasmid pRL27 | Tn5-RL27 (Kmr-oriR6K) | 12 |