Chitin Bead Pili (IMAGE) Ecole Polytechnique Fédérale de Lausanne Caption A network of DNA-uptake pili decorates the surface of a chitin particle colonized by Vibrio cholerae. Credit David W. Adams, Blokesch lab - EPFL Usage Restrictions None 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.