Table 5.
Growth of nontoxic isolates, NCTC8266Δbont::ermB and NCTC11219Δbont::ermB at 30 °C in RCM broth with 2.5%–4.5% NaCl. Growth was monitored for 21 days for three replicates per strain. None of the strains grew at 4.5% NaCl.
| Days to Growth (OD620 > 0.15) at Different Salt Concentrations for at Least One Replicate | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Strain | NaCl% | Strain | NaCl% | ||||||
| 2.5 | 3.0 | 3.5 | 4.0 | 2.5 | 3.0 | 3.5 | 4.0 | ||
| ZBS3 | 1 | 1 | 2 | 2 | RO132 | 1 | 1 | 6 | |
| ZS6 | 1 | 1 | 2 | 6 | DSM1985 | 2 | 1 | 6 | |
| ZBS5 | 1 | 2 | 6 | 7 | VAP23 | 1 | 2 | 6 | |
| ZBS4 | 1 | 1 | 6 | 7 | NCTC8266 Δbont::ermB | 1 | 2 | 6 | |
| CMCC3677 | 1 | 1 | 2 | 8 | ZBS20 | 1 | 2 | 6 | |
| VAP51 | 1 | 1 | 13 | 16 | VAP41 | 1 | 2 | 7 | |
| VAP52 | 1 | 1 | 2 | CMCC3678 | 1 | 2 | 8 | ||
| ZBS15 | 1 | 2 | 2 | ZS1 | 1 | 2 | 8 | ||
| ZBS14 | 1 | 2 | 2 | ME22 | 1 | 5 | 13 | ||
| ZBS2 | 1 | 2 | 2 | RO3 | 1 | ||||
| CH2 | 1 | 1 | 6 | KO2 | 1 | ||||
| ZS2 | 1 | 1 | 6 | EV3 | 1 | ||||
| VAP33 | 1 | 1 | 6 | ZBS13 | 1 | ||||
| KI2 | 1 | 1 | 6 | ZBS12 | 1 | ||||
| ZBS17 | 1 | 1 | 6 | MIL1 | 1 | ||||
| NCTC11219 Δbont::ermB | 1 | 1 | 6 | CMCC3676 | 2 | ||||
| ZBS18 | 1 | 1 | 6 | ||||||