Tremblay P-L, Zhang T, Dar SA, Leang C, Lovley DR.  2012.  The Rnf complex of Clostridium ljungdahlii is a proton-translocating ferredoxin:NAD+ oxidoreductase essential for autotrophic growth.. mBio. 4(1):e00406-12.

Izallalen M, Mahadevan R, Burgard A, Postier B, DiDonato R, Sun J, Schilling CH, Lovley DR.  2008.  Geobacter sulfurreducens strain engineered for increased rates of respiration.. Metab Eng. 10(5):267-75.