Table 1.

Fermentation product profile of C. thermocellum strains in absence/presence of added acetate to minimal medium

	Wild type		ΔhydG		ΔhydGΔech
	No acetatec	Added acetate	No acetatec	Added acetate	No acetatec	Added acetate
Ethanola	19.63 ± 2.98	22.88 ± 1.82	30.94 ± 1.61	31.43 ± 0.6	35.84 ± 1.0	36.06 ± 1.62
Acetateb	9.50 ± 1.9	8.90 ± 1.50	2.56 ± 0.07	1.10 ± 0.6	3.46 ± 0.36	1.76 ± 0.90
Lactate	3.84 ± 1.03	3.52 ± 1.56	0.11 ± 0.15	0.07 ± 0.2	0.12 ± 0.50	0.1 ± 0.98
Formate	6.54 ± 0.82	5.73 ± 1.17	4.33 ± 0.01	4.0 ± 0.01	6.8 ± 0.04	3.84 ± 0.03
Amino acids	4.1 ± 0.24	4.5 ± 0.09	2.83 ± 0.10	3.41 ± 0.04	2.14 ± 0.08	2.93 ± 0.13
Hydrogen	14.53 ± 3.36	14.04 ± 3.14	1.17 ± 0.37	0.96 ± 0.42	ND	ND

ND not detected

^aAll values are reported in mmol/L

^bNet acetate production

^cData previously reported [11]