NewslettersImmunology of Infectious Disease NewsThe Retroelement Lx9 Puts a Brake on the Immune Response to Virus InfectionBy Danielle Corrigan - August 10, 20220248The authors showed that CRISPR–Cas9-mediated deletion of a transposable element — namely the LINE-1 retrotransposon Lx9c11 — in mice resulted in an exaggerated and lethal immune response to virus infection.[Nature]Abstract