Skip to main content

Table 2 Solvent and acid formation by C. saccharobutylicum wild-type and mutant strains in batch culture without pH regulation

From: Restriction-deficient mutants and marker-less genomic modification for metabolic engineering of the solvent producer Clostridium saccharobutylicum

  Wild type Ch1 Ch1 ΔptbΔbuk
[Acetone]final (mM) 35 ± 2 29.5 ± 1.5 22 ± 1
[Butanol]final (mM) 87 ± 4 81 ± 3 76.5 ± 1.5
[Ethanol]final (mM) 12.5 ± 1.5 10.5 ± 0.5 17.5 ± 0.5
[Acetate]final (mM) 10.5 ± 0.5 13 ± 1 16 ± 1
[Butyrate]final (mM) 13 ± 1 16 ± 1 4.5 ± 1.5
Butanol yield (g·g−1) 0.165 ± 0.005 0.155 ± 0.005 0.215 ± 0.005
  1. Mean values and standard deviations from two independent experiments are given