TABLE 1.
Bacterial strains used in the study
| Strain | Relevant genotype and/or phenotype | Source or reference |
|---|---|---|
| C. jejuni wild-type strains | ||
| C011300 | NT,a DNase+/dns+ | J. A. Frost (13) |
| C019165 | NT, DNase+/dns+ | J. A. Frost (13) |
| C012446 | NT, DNase+/dns+ | J. A. Frost (13) |
| C012599 | NT, DNase+/dns+ | J. A. Frost (13) |
| C356 (CNET076) | NT, DNase+/dns+ | W. F. Jacobs-Reitsma (13) |
| CCUG10950 | NT, DNase+/dns+ | Culture Collection, University of Gothenburg, Gothenburg, Sweden (13) |
| RM1221 | NT, DNase+/dns+ | 13, 22 |
| D3141 | NT, DNase+/dns negative | 13, 23 |
| D3226 | NT, DNase+/dns negative | 13, 23 |
| 40707L (CNET007) | NT, DNase+/dns negative | 13, 16 |
| 07479 | NT, DNase+/dns negative | 13, 16 |
| 41239B (CNET005) | NT, DNase+/dns negative | 13, 16 |
| C019168 | Naturally transformable, DNase− | J. A. Frost (13) |
| C. jejuni transformants | ||
| C019168(pWM1007Pr1492) | This study | |
| C019168(pWM1007Pr1492CJE0566RM1221) | This study | |
| C019168(pWM1007Pr1492CJE1441RM1221) | This study | |
| C019168(pWM1007Pr1492CJE056607479) | This study | |
| C019168hipO::cat | Contains chloramphenicol resistance cassette (cat) in hipO | This study |
| E. coli DH5α | F− φ80dlacZΔM15 Δ(lacZYA-argF)U169 recA1 endA1 hsdR17(rK− mK+) phoA supE44 λ−thi-1 gyrA96 relA1 | Invitrogen, Breda, The Netherlands |
a
NT, nonnaturally transformable.