Down to the wire (IMAGE) Yale University Caption . “Nanowires” produced by Geobacter in response to an electric field applied to electricity-producing biofilms. These nanowires are composed of cytochrome OmcZ and show 1000-fold higher conductivity and 3-times higher stiffness than the nanowires of cytochrome OmcS important in natural environments, allowing bacteria to transport electrons over 100-times their size. Credit Image Credit: Sibel Ebru Yalcin. Design: Ella Maru Studio Usage Restrictions Image Credit: Sibel Ebru Yalcin. Design: Ella Maru Studio License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.