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. 1999 Apr;181(8):2403–2410. doi: 10.1128/jb.181.8.2403-2410.1999

FIG. 1.

FIG. 1

Influence of redox dyes on utilization of electron reducing power for fumarate reduction to succinate by cell suspensions (OD660, 3.0) of A. succinogenes. The cells were placed in serum vials or ECB system I with a potential of 2.0 V and a current of 0.3 to 2.0 mA. (A) N2; (B) electrically reduced MV; (C) electrically reduced NR.