Table 1.
Lactate dehydrogenase (LDH), phosphotransacetylase (PTA) and acetaldehyde dehydrogenase (ADH) activity of K. pneumoniae parent strain (KG1) and its mutants, the values represent mean ± SD
| Strains |
LDH activity |
PTA activity |
ADH activity |
|||
|---|---|---|---|---|---|---|
| U/mg protein | Percentage of wild type | U/mg protein | Percentage of wild type | U/mg protein | Percentage of wild type | |
| KG1 |
4.66 ± 0.23 |
100 |
2.42 ± 0.04 |
100 |
2.67 ± 0.22 |
100 |
| ΔldhA |
0.56 ± 0.03 |
12.02 |
1.69 ± 0.05 |
69.83 |
2.75 ± 0.21 |
102.99 |
| ΔadhE |
4.35 ± 0.31 |
93.35 |
1.73 ± 0.03 |
71.48 |
0.06 ± 0.01 |
2.24 |
| Δpta | 4.56 ± 0.25 | 97.80 | 0.04 ± 0.01 | 1. 65 | 2.29 ± 0.15 | 85.76 |