From left to right: Maria Chudnovsky (IEOR); Helen H. Lu (BME); V. Faye McNeill (ChemE); Christopher Jacobs (BME); Senior Vice Dean Shih-Fu Chang; Dean Mary C. Boyce; Ah-Hyung (Alissa) Park (EEE); Elisa Konofagou (BME); Dan Ellis (EE); Gil Zussman (EE); Arvind Narayanaswamy (MechE).
The development of colony biofilms by Pseudomonas aeruginosa is affected by redox-active compounds called phenazines. A phenazine-null mutant forms a hyperwrinkled colony with prominent spokes, while wild-type colonies are more constrained and smooth. —Image courtesy of Hassan Sakhtah, Columbia University
