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Table 1 Influence of glucose concentration on sugar utilization and product synthesis in bioreactor

From: Deletion of pgi gene in E. coli increases tolerance to furfural and 5-hydroxymethyl furfural in media containing glucose–xylose mixture

Strain Maximum titer (g/L) Product yield (g/g) % Theoretical yield of ethanol Rate of total sugar utilization (g/(L.h)) Rate of ethanol production (g/(L.h))
Cells Acetate Ethanol Cells Acetate Ethanol
6 g/L glucose
 SSK42 2.69 ± 0.31 0.75 ± 0.01 19.44 ± 0.85 0.07 ± 0.01 0.01 ± 0.00 0.36 ± 0.05 69.94 ± 8.85 0.76 ± 0.06 0.27 ± 0.01
 SSK101 3.06 ± 0.02 0.67 ± 0.08 20.13 ± 1.98 0.07 ± 0.01 0.01 ± 0.00 0.37 ± 0.08 71.80 ± 15.73 0.58 ± 0.07 0.21 ± 0.02
 SSK101 + inhibitors 2.92 ± 0.06 1.17 ± 0.14 17.90 ± 3.02 0.06 ± 0.00 0.02 ± 0.00 0.35 ± 0.05 68.89 ± 9.26 0.35 ± 0.01 0.12 ± 0.02
12 g/L glucose
 SSK42 2.90 ± 0.26 1.41 ± 0.04 20.14 ± 1.20 0.06 ± 0.02 0.03 ± 0.00 0.39 ± 0.01 75.16 ± 1.33 0.43 ± 0.02 0.17 ± 0.01
 SSK101 2.55 ± 0.07 0.97 ± 0.03 21.37 ± 0.22 0.05 ± 0.00 0.02 ± 0.00 0.40 ± 0.01 77.29 ± 2.23 0.45 ± 0.02 0.18 ± 0.00
 SSK 101 + inhibitors 2.64 ± 0.27 1.16 ± 0.06 20.48 ± 1.47 0.05 ± 0.01 0.02 ± 0.00 0.40 ± 0.04 77.54 ± 7.05 0.31 ± 0.01 0.12 ± 0.01
  1. Data for SSK42 with inhibitors (1 g/L Furfural + 1 g/L HMF) has not been given as no significant growth was observed here in either glucose concentration