Table 2.
Species | Heterologous target | Yield |
---|---|---|
N. tabacum | Cytosolic Avian FPS A. annua ADS [79] | 0.3–1 ng/g FW |
Plastidal Avian FPS. A. annua ADS [79] | 10–25 ug/g FW | |
E. coli | 1. Codon optimized ADS [85] | 0.086 g/L/OD600 at 10h. |
2. As in “1” + SOE4 operon of DXS pathway [85] | 0.3133 g/L OD600 at 5h. | |
3. As in “1” With engineered mevalonate pathway and 40mM mevalonate [85] | 3.1 mg/L/OD600 at 9h.a | |
4. As in “3” with addition of 0.8% glycerol [85] | 24 mg/L/OD600 at 12h.b | |
5. As in “3” using dodecane trap bioreactor (6L) and additional carbon [82] | >450 mg/L at 60h. (OD600 approx. 25) | |
S. cerevisiae | 1. Plasmid encoded ADS gene alone [86] | 0.6 mg/L at 384h. |
2. As in “1” with plasmid encoded ADS under inducible promoter [42] | 4.4 mg/L at 144h | |
3. As in “2” with truncated soluble tHMGR [42] | 20 mg/L at 144h. | |
4. As in “3” with downregulation of squalene synthase (erg9) [42] | 40 mg/L at 144h | |
5. As in “4” with additional chromosomal tHMGR, upregulation of transcription factor upc2-1 and overexpression of FPS [42] | 153 mg/L at 144h. |
Estimated as high as 22.6 mg/L when accounting for effect, of air-stripping
Estimated as high as 112.2 mg/L when accounting for effects of air-stripping