Table 4 Stability of antibiotic markers in six single-recombinant Salmonella -EGFP strains
Strain |          Origin | Detection rate for antibioticmarker (%) |
|---|---|---|
   HP |                      p UC | 88.9 |
   LP |                    p 15A | 100.0 |
   CP | Chromsome-based | 100.0 |
   HO |                      p UC | 100.0 |
   CO | Chromsome-based | 100.0 |
   E |                      p UC | 100.0 |