Table 2 Maximum specific growth rates (μmax) h−1 of native NZ9000 and isobutanol evolved strains exposed to different percentages of isobutanol in GM17 media.
Strains | GM17 media | GM17 + 8 g/l isobutanol | GM17 + 16 g/l isobutanol | GM17 + 24 g/l isobutanol | GM17 + 32 g/l isobutanol | GM17 + 40 g/l isobutanol |
|---|---|---|---|---|---|---|
NZ9000 | 0.69 | 0.16 | Negligible | Negligible | Negligible | Negligible |
23 g/l isobutanol evolved | 0.514 | 0.404 | 0.252 | 0.063 | Negligible | Negligible |
30 g/l isobutanol evolved | 0.517 | 0.4 | 0.33 | 0.231 | 0.076 | Negligible |
40 g/l isobutanol evolved | 0.585 | 0.484 | 0.359 | 0.19 | 0.108 | 0.03 |
