“a study shows that symbiotic bacteria play a direct role in the evolution of their host, shaping the way it adapts to pathogens.”
Vitor G. Faria, Nelson E. Martins, Sara Magalhães, Tânia F. Paulo, Viola Nolte, Christian Schlötterer, Élio Sucena, Luis Teixeira. Drosophila Adaptation to Viral Infection through Defensive Symbiont Evolution. PLOS Genetics, 2016; 12 (9): e1006297 DOI: 10.1371/journal.pgen.1006297