TABLE 1.
Bacterial strains and plasmids used in the study
| Strain or plasmid | Genotype | Reference |
|---|---|---|
| Strains | ||
| E. coli MC 1061 | cI+ Δ(ara leu)7697 ΔlacX74 galU galK hsr hsm+strA araD139 | 2 |
| S. mutans NCTC 10449 | ||
| Plasmids | ||
| p602/22 | Kmr Cmr Ori− Ori+ | 18 |
| pCSS810 | lucGR from P. plagiothalamus Kmr Cmr Ori− Ori+ | 15 |
| pGK13 | Emr Cmr | 27 |
| pCSS945 | lucGR from P. plagiophthalamus Cmr Ori− Ori+ | This study |