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. 2014 May;80(10):3141–3149. doi: 10.1128/AEM.04220-13

FIG 6.

FIG 6

Reduction of Fe(III) in ferrihydrite in an abiotic control experiment and in incubations of S. deleyianum supplied with 5 mM acetate as a carbon source and 10 mM formate as an electron donor. The experiment with 2 mM cysteine and a 1% inoculum was done in triplicate, and the abiotic one with 2 mM cysteine was done in duplicate. w/o, without; inoc., inoculum.