Articles | Volume 17, issue 3
Research article
06 Feb 2020
Research article |  | 06 Feb 2020

Inducing the attachment of cable bacteria on oxidizing electrodes

Cheng Li, Clare E. Reimers, and Yvan Alleau

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Cited articles

Aller, R. C., Aller, J. J., Zhu, Q., Heilbrun, C., Klingensmith, I., and Kaushik, A.: Worm tubes as conduits for the electrogenic microbial grid in marine sediments, Sci. Adv., 5, eaaw3651,, 2019. 
Babauta, J. T. and Beyenal, H.: Introduction to electrochemically active biofilms, in Biofilms in Bioelectrochemical Systems: From Laboratory Practice to Data Interpretations, John Wiley & Sons, Hoboken, NJ, USA, 1–35, 2015. 
Bjerg, J. T., Damgaard, L. R., Holm, S. A., Schramm, A., and Nielsen, L. P.: Motility of electric cable bacteria, Appl. Environ. Microbiol., 82, 3816–3821, 2016. 
Bjerg, J. T., Boschker, H. T. S., Larsen, S., Berry, D., Schmid, M., Millo, D., Tataru, P., Meysman, F. J. R., Wagner, M., Nielsen, L. P., and Schramm, A.: Long-distance electron transport in individual, living cable bacteria, P. Natl. Acad. Sci. USA, 115, 5766–5791,, 2018. 
Burdige, D. J.: The components of marine sediments, in Geochemistry of Marine Sediments, Princeton University Press, Princeton, NJ, USA, 5–24, 2006. 
Short summary
Novel filamentous cable bacteria that grow in the top layer of intertidal mudflat sediment were attracted to electrodes poised at a positive electrical potential. Several diverse morphologies of Desulfobulbaceae filaments, cells, and colonies were observed on the electrode surface. These observations provide information to suggest conditions that will induce cable bacteria to perform electron donation to an electrode, informing future experiments that culture cable bacteria outside of sediment.
Final-revised paper