Table 1.

Overview of industrially relevant solventogenic and acetogenic clostridia

Strain	Growth on sole carbon source:					Native fermentation products	References
	H2/CO2	CO/CO2	C6 sugars	C5 sugars	Glycerol
C. acetobutylicum	–	–	X	X	(X)	Acetate, acetone, butanol, butyrate, ethanol, H2, CO2	[143, 157]
C. beijerinckii	–	–	X	X	(X)	Acetate, acetone, butanol, butyrate, ethanol isopropanola, H2, CO2	[143, 197, 279]
C. saccharoperbutylacetonicum	–	–	X	X	–	Acetate, acetone, butanol, butyrate, ethanol, H2, CO2	[143]
C. saccharobutylicum	–	–	X	X	–	Acetate, acetone, butanol, butyrate, ethanol, H2, CO2	[143]
C. pasteurianum	–	–	X	–	X	Acetate, Butanol, butyrate, ethanol, lactate, 1,3-propanediol, H2, CO2	[223]
C. ljungdahlii	X	X	X	X	–	Acetate, 2,3-butanediol, ethanol, lactate, CO2	[148, 286]
C. carboxidivorans	X	X	X	X	X	Acetate, ethanol, butanol, butyrate, hexanoate, hexanol, CO2	[80, 172]
C. ragsdalei	X	X	X	X	–	Acetate, ethanol, 2,3-butanediol, lactate, CO2	[115, 148]
C. drakei	X	X	X	X	X	Acetate, ethanol, butanol, butyrate, CO2	[172]
C. autoethanogenum	X	X	X	X	–	Acetate, ethanol, 2,3-butanediol, lactate, CO2	[3, 148, 192]
M. thermoacetica	X	X	X	X	–	Acetate, CO2	[56]

X: growth, (X): weak growth [143], –: no growth

^aOnly some strains like C. beijerinckii DSM 6423 synthesize isopropanol [279]