Ben-Hall-Mixed-Caro-Tube-Front (IMAGE) University of Wisconsin-Madison Caption Recent UW–Madison PhD graduate Ben Hall's research showed it's possible to modify the Novosphingobium aromaticivorans bacterium to simultaneously produce two valuable chemicals from an underutilized part of plant cells called lignin. Credit Chelsea Mamott / University of Wisconsin–Madison Usage Restrictions For editorial use with attribution 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.