From: Smart sustainable bottle (SSB) system for E. coli based recombinant protein production
Protein | Cultivation vessel | OD600 | Final pH | Expression level [%]1 | Fluorescence2 | Fluorescence/OD600 3 | |
---|---|---|---|---|---|---|---|
W | S | ||||||
GFP | Bioreactor (2-L) constant agitation (500 rpm) | 17.6 ± 0.5 | 6.8 | 8 | 9 | 15420 ± 120 | 857 ± 25 |
SSB system (2-L) | 20.6 ± 0.3 | 5.9 | 8 | 9 | 18172 ± 140 | 865 ± 14 | |
hFGF-2 | Bioreactor (2-L) constant agitation (500 rpm) | 18.8 ± 0.5 | 6.8 | 9 | 8 | ||
Bioreactor (30-L) dissolved oxygen-stat (50%) # | 18.0 ± 0.6 | 6.8 | 8 | 7 | |||
SSB system (2-L) | 18.9 ± 0.3 | 5.9 | 9 | 7 | |||
SSB system (2-L) | 21.0 ± 0.4 | 6.0 | 9 | 8 | |||
GST-GFP | Bioreactor (2-L) constant agitation (500 rpm) | 22.3 ± 0.1 | 6.8 | 10 | 7 | 11569 ± 163 | 526 ± 8 |
SSB system (2-L) | 24.7 ± 0.2 | 5.8 | 10 | 6 | 13044 ± 102 | 522 ± 6 | |
SSB system (2-L) with “booster” amino acids | 26.2 ± 0.2 | 6.5 | 10 | 9 | 17981 ± 158 | 692 ± 8 | |
TRX-hLIF | Bioreactor (2-L) constant agitation (500 rpm) | 16.0 ± 0.2 | 6.8 | 7 | 1 | ||
Bioreactor (2-L) dissolved oxygen-stat (30%) | 18.9 ± 0.2 | 6.8 | 8, 7* | 2, 3* | |||
SSB system (2-L) | 19.0 ± 0.3 | 5.9 | 7 | 1 | |||
SSB system (2-L) | 18.9 ± 0.3 | 6.0 | 7 | 2 | |||
SSB system (2-L) with “booster” amino acids | 23.2 ± 0.4 | 6.6 | 7, 7* | 3, 7* | |||
SSB system (2-L) with “booster” amino acids | 22.6 ± 0.1 | 6.5 | 8 | 3 |