Table 2 Comparison of the survival rates (%) between E. coli BL21 with pACYCDuet-1 (Ec-1) and the recombinant strains in propionic acid and acetic acid
1 g/L propionic acid | 2 g/L propionic acid | 2 g/L acetic acid | 4 g/L acetic acid | |
---|---|---|---|---|
Ec-1 | 0.61 | 0.35 | 0.015 | <0.003 |
Ec-c | 0.72 | <0.003 | 0.010 | <0.003 |
Ec-g | 100 | 0.1 | 0.023 | <0.003 |
Ec-a | 100 | 0.043 | 17 | <0.003 |
Ec-s | 100 | 100 | 2.86 | 0.043 |
Ec-p | 3.57 | 0.008 | <0.003 | <0.003 |
Ec-m | 7.61 | <0.003 | <0.003 | <0.003 |