Long-distance extracellular electron transfer has been observed in Gram-negative bacteria. Here, Yang et al. show that a filamentous, unicellular Gram-positive bacterium is capable of bidirectional extracellular electron transfer, and forms centimetre-range conductive networks consisting of 1mm-long cells and conductive appendages.
- Yonggang Yang
- Zegao Wang
- Mingdong Dong
