New paper in @ScienceMagazine with @SpicyBotrytis and Jordi Bascompte. We show that a single allele at a single gene can control the coexistence of species in a food web. @UZH_Science @UCDavisPlants @uzh_gcb science.org/doi/10.1126/sc… Thread 👇1/9 Over 50 years ago, Bob Paine discovered that starfish act as a keystone species in that their presence in the rocky intertidal food web maintains the coexistence of diverse species. 2/9