TABLE 3.
Properties of heterologous PHA production in Pseudomonas putida chassis strain. GC-MS analysis of PHA content in 0.1 N M63 minimal medium supplemented with 15 mM octanoate for 24 h. The data correspond to the mean values and standard deviations of at least two independent biological replicates. TR.: Traces; N.D.: not detected.
| Strain | Total CDW (g/L) | PHA (%CDW) | PHA (g/L) | Residual biomass (g/L) | %C4 | %C6 | %C8 |
|---|---|---|---|---|---|---|---|
| KT2440 (pGG128; empty plasmid) | 1.42 ± 0.01 | 61.73 ± 1.25 | 0.88 ± 0.01 | 0.54 ± 0.02 | N.D. | 7.11 ± 0.14 | 92.89 ± 0.14 |
| PP05_01 (pGG128; empty plasmid) | 0.43 ± 0.05 | N.D. | N.D. | 0.43 ± 0.05 | N.D. | N.D. | N.D. |
| PP05_01 (pSS126; R.r. phaCAB) | 0.67 ± 0.01 | 23.11 ± 1.04 | 0.15 ± 0.00 | 0.51 ± 0.02 | 99.57 ± 0.07 | <0.5 | <0.5 |
| PP05_01 (pRK182; R.r. phaCABP) | 0.60 ± 0.03 | 25.37 ± 1.59 | 0.15 ± 0.02 | 0.45 ± 0.01 | 100.00 | TR. | TR. |
| PP05_01 (pRK216; C.n. phaCAB) | 0.87 ± 0.04 | 47.13 ± 2.83 | 0.41 ± 0.05 | 0.46 ± 0.00 | 99.87 ± 0.02 | <0.5 | <0.5 |
| PP05_01 (pMM85; C.n. phaCABP) | 1.32 ± 0.10 | 84.31 ± 0.12 | 1.11 ± 0.08 | 0.21 ± 0.02 | 98.45 ± 0.54 | 0.98 ± 0.32 | 0.56 ± 0.21 |
| PP05_01 (pMM106; P.p. phaCABP) | 0.68 ± 0.02 | 44.90 ± 0.08 | 0.30 ± 0.01 | 0.37 ± 0.01 | 100.00 | TR. | TR. |