Holmes DE, Mester T, O'Neil RA, Perpetua LA, Larrahondo JM, Glaven R, Sharma ML, Ward JE, Nevin KP, Lovley DR.  2008.  Genes for two multicopper proteins required for Fe(III) oxide reduction in Geobacter sulfurreducens have different expression patterns both in the subsurface and on energy-harvesting electrodes.. Microbiology. 154(Pt 5):1422-35.

Coppi MV, O'Neil RA, Leang C, Kaufmann F, Methé BA, Nevin KP, Woodard TL, Liu A, Lovley DR.  2007.  Involvement of Geobacter sulfurreducens SfrAB in acetate metabolism rather than intracellular, respiration-linked Fe(III) citrate reduction.. Microbiology. 153(Pt 10):3572-85.