Biofilm Growing on Soft Substrate (video) Princeton University, Engineering School Share Print E-Mail Loading video... Caption Time-lapse video showing the growth of a V. cholerae biofilm on 0.4% agar. On this soft substrate, wrinkles begin to form at the biofilm's edges and propagate toward its center. Credit eLife 2019;8:e43920 DOI: 10.7554/eLife.43920 Usage Restrictions Noncommercial use only Share Print E-Mail 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.