Bacterial segmentation (VIDEO) University of California - San Diego This video is under embargo. Please login to access this video. Caption Bacterial biofilms form segments (green) as they grow, similar to vertebrates during development. Time lapse movie (left) and maximum projection (right) of a Bacillus subtilis biofilm. Green color indicates nitrogen stress response as reported by PnasA-yfp. Fluorescence images were overlaid on the corresponding brightfield images. Scale bar, 1 mm. Credit Kwang-Tao Chou Usage Restrictions Must be used in conjunction with Cell paper on biofilm patterns discovery. 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.