“We wondered how the worms can know the identity of the bacteria they are eating,” said Coleen Murphy, a professor of molecular biology and the Lewis-Sigler Institute for Integrative Genomics (LSI) and the senior author of a paper detailing the team’s findings in the journal Nature. https://www.princeton.edu/news/2020/09/18/princeton-researchers-discover-how-worms-pass-down-knowledge-pathogen-their