Nels and Vincent describe how a single amino acid change can allow E. coli to replace the essential gut symbiont of the stinkbug Plautia stali. Hosts: Nels Elde and Vincent Racaniello Click arrow to play Download TWiEVO 75  (103 MB .mp3, 86 min) Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Making E. coli an insect mutualist (bioRxiv) Letters read on TWiEVo 76 Time stamps by Jolene. Thanks! Science Picks Nels – Inequality in science and the case for a new agenda Vincent – Foundations of Virology by Fred Murphy Listener Pick Sam – Saturday Morning Breakfast – Evolutionist Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]