Table 1 Physiological characterization related parameters of the PHB-producing strains TMB4443 and TMB4425 under aerobic and anaerobic conditions, respectively
Strain | C-source | Nitrogen supply | Aeration | Initial CDW (g/L) | Yields | PHB titer (g/L) | PHB content (% PHB/CDW) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
YsX (g/g C-source) | YsXylOH (g/g C-source) | YsGlyOH (g/g C-source) | YsAcet (g/g C-source) | YsEtOH (g/g C-source) | YsPHB (mg/g C-source) | |||||||
TMB4443 | Glucose | No | Aerobic | 3.8 ± 0.0 | 0.06 ± 0.00 | 0.00 ± 0.00 | 0.04 ± 0.01 | 0.01 ± 0.00 | 0.04 ± 0.01 | 1.0 ± 0.1 | 0.12 ± 0.00 | 1.8 ± 0.0 |
TMB4443 | Glucose | Yes | Aerobic | 0.01 ± 0.00 | 0.09 ± 0.01 | 0.00 ± 0.00 | 0.05 ± 0.01 | 0.03 ± 0.01 | 0.14 ± 0.07 | 2.12 ± 0.04 | 0.11 ± 0.00 | 2.4 ± 0.0 |
TMB4425 | Xylose | No | Anaerobic | 4.1 ± 0.2 | 0.06 ± 0.01 | 0.02 ± 0.00 | 0.09 ± 0.01 | 0.01 ± 0.00 | 0.01 ± 0.01 | 8.3 ± 0.8 | 0.43 ± 0.00 | 6.1 ± 0.1 |
TMB4425 | Xylose | Yes | Anaerobic | 0.02 ± 0.00 | 0.09 ± 0.00 | 0.04 ± 0.00 | 0.04 ± 0.00 | 0.01 ± 0.00 | 0.21 ± 0.03 | 13.8 ± 0.6 | 0.73 ± 0.00 | 16.4 ± 0.8 |