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Table 2 Specific growth rates (μ) and stoichiometric parameters of strain JM101 and derivative mutants grown on glycerol (A) and glucose as carbon source (B)

From: New insights into Escherichia coli metabolism: carbon scavenging, acetate metabolism and carbon recycling responses during growth on glycerol

A)
Strain μ (h -1 ) Y x/s (g/mmolC) q s (mmolC/g dcw h) Acetate (g/L)
JM101 0.49 (+/–0.02) 0.014 (+/–0.001) 34.6 (+/–1.90) No detected
JM101ΔpckA 0.45 (+/–0.03) 0.014 (+/–0.001) 33.3 (+/–4.56) 0.12 (+/–0.01)
JM101ΔpoxB 0.44 (+/–0.01) 0.014 (+/–0.001) 35.5 (+/–2.14) 0.12 (+/–0.01)
JM101Δppc No growth    
JM101ΔpykA 0.46 (+/–0.02) 0.015 (+/–0.001) 30.3 (+/–0.12) Not detected
JM101ΔpykF 0.46 (+/–0.02) 0.014(+/–0.002) 31.4 (+/–1.00) Not detected
JM101ΔrpoS 0.44 (+/–0.02) 0.018 (+/–0.002) 24.8 (+/–2.57) Not detected
B)
Strain μ (h −1 ) Y x/s (g/mmolC) q s (mmolC/g dcw h) Acetate (g/L)
JM101 0.69 (+/–0.03) 0.013 (+/–0.001) 51.8 (+/–2.22) 0.5 (+/–0.01)
JM101ΔpckA 0.62 (+/–0.09) 0.023 (+/–0.011) 50.7 (+/–16.82) 0.7 (+/–0.02)
JM101ΔpoxB 0.68 (+/–0.04) 0.014 (+/–0.002) 50.7 (+/–2.50) 0.4 (+/–0.02)
JM101Δppc No growth    
JM101ΔpykA No determinated No determinated No determinated  
JM101ΔpykF No determinated No determinated No determinated  
JM101ΔrpoS 0.71 (+/–0.01) 0.013 (+/–0.004) 54.5 (+/–8.34) 0.5 (+/–0.01)