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Table 7 Growth and metabolic parameters of E. coli BW25113 (control) Δacs and Δpta mutant strains in batch anaerobic cultures in glucose minimal medium.

From: An insight into the role of phosphotransacetylase (pta) and the acetate/acetyl-CoA node in Escherichia coli

Growth parameters BW25113 Δpta Δacs
Biomass yield (g·g -1 ) 0.10 ± 0.003 0.05 ± 0.003 0.09 ± 0.003
Growth rate (h -1 ) 0.48 ± 0.03 0.22 ± 0.02 0.43 ± 0.02
Glucose uptake rate [mmol·(g·h) -1 ] 25.40 ± 0.96 29.16 ± 0.15 25.36 ± 1.11
Acetate production rate [mmol·(g·h) -1 ] 19.15 ± 1.65 0.79 ± 0.17 16.15 ± 2.09
Ethanol production rate [mmol·(g·h) -1 ] 17.13 ± 3.14 2.00 ± 0.39 15.72 ± 2.13
Formate production rate [mmol·(g·h) -1 ] 37.34 ± 3.14 4.27 ± 0.64 31.00 ± 3.73
Lactate production rate [mmol·(g·h) -1 ] 0.91 ± 0.05 40.51 ± 5.53 0.30 ± 0.01
Succinate production rate [mmol·(g·h) -1 ] 2.19 ± 0.46 1.31 ± 0.22 1.33 ± 0.15
  1. Culture conditions are expressed in the Materials and Methods section.