TABLE 6.

m_E determined from the m_s and the actual ΔG_av measured for S. fumaroxidans and M. hungatei grown in syntrophic cocultures with two different chemostat setups

Microorganism and chemostat conditiona	Substrate	ΔGav (kJ mol of e−1)	γD	mD (mol of [C] mol of C−1 h−1)	mE (kJ mol of C−1 h−1)
S. fumaroxidans
Flushed	Propionate	2.59b	4.67	0.033	0.40
Nonflushed	Propionate	0.61b	4.67	0.049	0.14
M. hungatei
Flushed	H2	1.44c	2	0.005	0.01
Nonflushed	H2	3.74c	2	0.022	2.16

^aThe temperature was 37°C in all cases. 

^bReaction 1, Fig. 4A. 

^cReaction 2, Fig. 4B.