Table 1.

Comparison of peak ethanol to peak acetate or 2,3-butanediol between different C. autoethanogenum knockout strains.

Substrate	Strain	Peak Ethanol (mM)/Peak Acetate (mM)	Peak Ethanol (mM)/Peak 2,3-butanediol (mM)
CO	WT	0.26	2.23
	aor1 KO	0.12	4.10
	aor2 KO	1.09	5.90
	aor1+2 KO	0.22	3.55
	adhE1a KO	1.11	12.59
	adhE1b KO	0.80	17.94
	adhE2 KO	0.58	10.47
H2+ CO2	WT	0.16	N/Aa
	aor1+2 KO	0.02	N/Aa
Fructose	WT	0.73	29.12
	aor1 KO	0.41	48.77
	aor2 KO	1.15	61.51
	aor1+2 KO	0.42	24.06
	adhE1a KO	0.51	49.45
	adhE1b KO	0.46	59.00
	adhE2 KO	0.20	51.79

^aN/A=not available because no 2,3-butanediol was detected.