Walker DJF, Nevin KP, Holmes DE, Rotaru A-E, Ward JE, Woodard TL, Zhu J, Ueki T, Nonnenmann SS, McInerney MJ et al..  2020.  Syntrophus conductive pili demonstrate that common hydrogen-donating syntrophs can have a direct electron transfer option.. ISME J. 14(3):837-846.

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.