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. 2023 Nov 1;11:1275036. doi: 10.3389/fbioe.2023.1275036

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.