Vibrio cholerae Bacteria (IMAGE) Ecole Polytechnique Fédérale de Lausanne Caption Vibrio cholerae bacteria form dense biofilms on biotic surfaces, which fosters interbacterial killing and horizontal gene transfer. Credit G. Knott & M. Blokesch, EPFL Usage Restrictions Media purposes only. Commercial usage restricted; by permission only. License Licensed 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.