Table 5.

Specific growth rates, isobutanol concentrations, and mass ratios of isobutanol to ethanol of the strains BFA7.001(DE3) pCT01, BFA7.001(DE3) pCT02, BFA7.001(DE3) pCT03, and BFA7.001(DE3) pCT13, characterized in batch culture under anaerobic conditions

Strain	pH	Specific growth rate (h−1)	Isobutanol (g/liter)	IBUT:ETOH ratio (g/g)
BFA7.001(DE3) pCT01	7	0.45 ± 0.02	0.81 ± 0.13	0.28 ± 0.04
BFA7.001(DE3) pCT02	7	0.49 ± 0.01	0.00 ± 0.00	0.00 ± 0.00
BFA7.001(DE3) pCT03	7	0.37 ± 0.03	1.11 ± 0.07	0.26 ± 0.01
BFA7.001(DE3) pCT13	7	0.42 ± 0.01	1.34 ± 0.05	0.31 ± 0.02
BFA7.001(DE3) pCT13	6	0.35 ± 0.01	1.72 ± 0.22	0.52 ± 0.08