Table 7 Performance of the best strains in 10% MRS with glucose or xylose and combinations of inhibitors representing three feedstock hydrolysate types
Conditions | Growth rate (1/h) | Gen. time (min) | % difference vs control | |||
|---|---|---|---|---|---|---|
Mean | SD | |||||
L. pentosus LMG 17672 | 10% MRS with glucose | Control (10% MRS) | 0.594 | 0.055 | 70 | 0 |
Sugarcane bagasse (Furfural 0,3 g/L; HMF 0,04 g/L; Acetic acid 2,7 g/L) | 0.552 | 0.017 | 75 | 7.1 | ||
Wheat straw (Furfural 0.15 g/L; Acetic acid 2.7 g/L) | 0.627 | 0.021 | 66 | −5.6 | ||
Soft wood (Furfural 2.2 g/L; Acetic Acid 5.3 g/L) | 0.357 | 0.013 | 116 | 39.9 | ||
10% MRS with xylose | Control (10% MRS) | 0.199 | 0.038 | 209 | 0 | |
Sugarcane bagasse (Furfural 0.3 g/L; HMF 0.04 g/L; Acetic acid 2.7 g/L) | 0.213 | 0.013 | 195 | −6.9 | ||
Wheat straw (Furfural 0.15 g/L; Acetic acid 2.7 g/L) | 0.195 | 0.004 | 213 | 2.1 | ||
Soft wood (Furfural 2.2 g/L; Acetic Acid 5.3 g/L) | 0.180 | 0.000 | 231 | 9.6 | ||
L. pentosus LMG 17673 | 10% MRS with glucose | Control (10% MRS) | 0.577 | 0.119 | 72 | 0 |
Sugarcane bagasse (Furfural 0.3 g/L; HMF 0.04 g/L; Acetic acid 2.7 g/L) | 0.612 | 0.025 | 68 | −6.0 | ||
Wheat straw (Furfural 0.15 g/L; Acetic acid 2.7 g/L) | 0.624 | 0.017 | 67 | −8.1 | ||
Soft wood (Furfural 2.2 g/L; Acetic Acid 5.3 g/L) | 0.435 | 0.013 | 96 | 24.6 | ||
10% MRS with xylose | Control (10% MRS) | 0.259 | 0.035 | 160 | 0 | |
Sugarcane bagasse (Furfural 0.3 g/L; HMF 0.04 g/L; Acetic acid 2.7 g/L) | 0.315 | 0.030 | 132 | −21.5 | ||
Wheat straw (Furfural 0.15 g/L; Acetic acid 2.7 g/L) | 0.243 | 0.064 | 171 | 6.3 | ||
Soft wood (Furfural 2.2 g/L; Acetic Acid 5.3 g/L) | 0.249 | 0.021 | 167 | 3.9 | ||
P. acidilactici DSM 20284 | 10% MRS with glucose | Control (10% MRS) | 0.482 | 0.063 | 86 | 0 |
Sugarcane bagasse (Furfural 0.3 g/L; HMF 0.04 g/L; Acetic acid 2.7 g/L) | 0.387 | 0.013 | 107 | 19.8 | ||
Wheat straw (Furfural 0.15 g/L; Acetic acid 2.7 g/L) | 0.414 | 0.000 | 100 | 14.2 | ||
Soft wood (Furfural 2.2 g/L; Acetic Acid 5.3 g/L) | 0.324 | 0.034 | 128 | 32.8 | ||
10% MRS with xylose | Control (10% MRS) | 0.415 | 0.034 | 100 | 0 | |
Sugarcane bagasse (Furfural 0.3 g/L; HMF 0.04 g/L; Acetic acid 2.7 g/L) | 0.378 | 0.000 | 110 | 9.0 | ||
Wheat straw (Furfural 0.15 g/L; Acetic acid 2.7 g/L) | 0.390 | 0.017 | 107 | 6.1 | ||
Soft wood (Furfural 2.2 g/L; Acetic Acid 5.3 g/L) | 0.300 | 0.034 | 139 | 27.7 | ||
P. pentosaceus ATCC 25745 | 10% MRS with glucose | Control (10% MRS) | 0.391 | 0.026 | 106 | 0 |
Sugarcane bagasse (Furfural 0.3 g/L; HMF 0.04 g/L; Acetic acid 2.7 g/L) | 0.405 | 0.013 | 103 | −3.5 | ||
Wheat straw (Furfural 0.15 g/L; Acetic acid 2.7 g/L) | 0.414 | 0.017 | 100 | −5.8 | ||
Soft wood (Furfural 2.2 g/L; Acetic Acid 5.3 g/L) | 0.267 | 0.030 | 156 | 31.7 | ||
10% MRS with xylose | Control (10% MRS) | 0.202 | 0.014 | 206 | 0 | |
Sugarcane bagasse (Furfural 0.3 g/L; HMF 0.04 g/L; Acetic acid 2.7 g/L) | 0.135 | 0.013 | 308 | 33.0 | ||
Wheat straw (Furfural 0.15 g/L; Acetic acid 2.7 g/L) | 0.171 | 0.004 | 243 | 15.2 | ||
Soft wood (Furfural 2.2 g/L; Acetic Acid 5.3 g/L) | 0.129 | 0.004 | 322 | 36.0 | ||