Fig. 3

Anaerobic cultivation of E. coli BW25113 (DE3) Δpta-ΔldhA containing pEV (diamonds), pKV-C (squares) pKV-CGA (triangles) or pKV-GA (circles) in pH-controlled bioreactors on MM at 30 °C. The average values of duplicate cultures are given. Standard deviations are based on replicas of two parallel cultivations