Electrical transport along bacterial nanowires from Shewanella oneidensis MR-1

Bacterial nanowires are extracellular appendages that have been suggested as pathways for electron transport in phylogenetically diverse microorganisms, including dissimilatory metal-reducing bacteria and photosynthetic cyanobacteria. However, there has been no evidence presented to demonstrate electron transport along the length of bacterial nanowires. Here we report electron transport measurements along individually addressed bacterial nanowires derived from electron-acceptor-limited cultures of the dissimilatory metal-reducing bacterium Shewanella oneidensis MR-1. Transport along the bacterial nanowires was independently evaluated by two techniques: (i) nanofabricated electrodes patterned on top of…

• UD
  U.S. Department of Energy

  Awards: -AC02-05CH11231, 05CH11231, Contract DE-AC02-05CH11231, AC02-05CH11231, DE-AC02, DE-AC02-05CH11231, DE-AC02-
• MU
  Multidisciplinary University Research Initiative
• BE
  Basic Energy Sciences

  Awards: DE-AC02, AC02-05CH11231, DE-AC02-05CH11231, -AC02-05CH11231, Contract DE-AC02-05CH11231
• AF
  Air Force Office of Scientific Research

  Awards: FA9550-, DE-AC02-05CH11231, FA9550, FA9550-10-1-0144, FA9550-06-1-0292
• LB
  Lawrence Berkeley National Laboratory

  Awards: DE-AC02-05CH11231, 05CH11231, AC02-05CH11231