TABLE 2.
Comparison of phage induction of Listeria spp. in BHIK and BHIM
| Listeria strain | Phage titera (PFU/ml ± SD) |
|
|---|---|---|
| BHIK | BHIM | |
| L. innocua 23 | 5.33 × 102 A ± 1.00 × 102 | ND |
| L. innocua 22 | 5.83 × 102 A ± 58 | ND |
| L. seeligeri RR4 | 6.50 × 102 A ± 2.00 × 102 | ND |
| L. innocua 25 | 1.57 × 103 B ± 58 | ND |
| L. innocua F(d) | 2.30 × 103 B ± 8.23 × 102 | ND |
| L. innocua 18.2 | 2.57 × 103 B ± 3.06 × 102 | ND |
| L. innocua NV2 | 2.35 × 104 C ± 2.81 × 103 | ND |
| L. innocua P1 | 3.25 × 104 C ± 7.39 × 103 | ND |
| L. innocua 43 | 7.68 × 104 D ± 1.29 × 104 | ND |
| L. innocua P6 | 5.46 × 105 E ± 5.91 × 104 | 2.59 × 104 C ± 1.22 × 103 |
a
The Listeria strains were grown in BHIM or BHIK broth as two successive cultures (24 h at 30°C). The results are presented as means of three experiments. Values followed by different letters are significantly different. ND, not detected.