Electrical conductivity in a mixed-species biofilm

Appl Environ Microbiol. 2012 Aug;78(16):5967-71. doi: 10.1128/AEM.01803-12. Epub 2012 Jun 15.


Geobacter sulfurreducens can form electrically conductive biofilms, but the potential for conductivity through mixed-species biofilms has not been examined. A current-producing biofilm grown from a wastewater sludge inoculum was highly conductive with low charge transfer resistance even though microorganisms other than Geobacteraceae accounted for nearly half the microbial community.

Publication types

  • Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

  • Biofilms*
  • Electric Conductivity*
  • Microbial Consortia / physiology*
  • Sewage / microbiology*


  • Sewage