Liu X, Tremblay P-L, Malvankar NS, Nevin KP, Lovley DR, Vargas M.  2014.  A Geobacter sulfurreducens strain expressing pseudomonas aeruginosa type IV pili localizes OmcS on pili but is deficient in Fe(III) oxide reduction and current production.. Appl Environ Microbiol. 80(3):1219-24.

Smith JA, Tremblay P-L, Shrestha PMalla, Snoeyenbos-West OL, Franks AE, Nevin KP, Lovley DR.  2014.  Going wireless: Fe(III) oxide reduction without pili by Geobacter sulfurreducens strain JS-1.. Appl Environ Microbiol. 80(14):4331-40.