From: Engineered plastic-associated bacteria for biodegradation and bioremediation
Plastic | Host | Biocatalyst | Display system | Substrate | Degradation assay conditions | Degradation efficiency (productivity) | Reference |
---|---|---|---|---|---|---|---|
PET | E. coli PHL628 | lsPETase | N-terminal fusion to CsgA | Commercial PET; 37% crystallinity | 7 days, 30 °C | 4.79%a (0.29–0.33 g/L TA) | Zhu et al. [55] |
Wastewater bottle microplastics; 28% crystallinity | 7 days, 30 °C | 7.43%a | |||||
Wastewater bottle microplastics; 28% crystallinity | 7 days, 30 °C, 0.02% STS | 9.10%a | |||||
PET | E. coli BL21(DE3) | lsPETase | N-terminal fusion to FadL; C-terminal fusion to hydrophobin TrHFBII | Wastewater bottle films (crystallinity not reported) | 7 days, 37 °C (media supplemented on day 4) | Not reported (0.30–0.35 g/L TA) | Jia et al. [56] |
PET | Pichia pastoris | lsPETase | N-terminal fusion to GCW51; Co-display of TrHFBI via N-terminal fusion to GCW61 | Commercial film; 45% crystallinity | 18 h, 30 °C | 3.20%b | Chen et al. [57] |
Commercial film; 6% crystallinity | 18 h, 30 °C | 55.00%b | |||||
PET | E. coli BL21(DE3) | FAST-PETase | N-terminal fusion to YfaL | Amorphous PET from | 24 h, 30 °C | 6.96%b | Hu and Chen [58] |
Co-display with INP-cp52k | Commercial PET bottles | 9.47%b | |||||
Co-display with INPNC-mfp-3 | 15.73%b | ||||||
PCL | E. coli BL21(DE3) | Dh3 | n/a (biocatalysts secreted) | 1% w/v PCL beads | 5 days, 37 °C |  < 40%c | Howard and McCarthy [59] |
Dh3 and DgcC | 40–60%c | ||||||
Dh3 and WspR | 40–60%c |