If the immune system serves as the critical gendarmerie keeping the animal and microbial cells together, then to obey the immune system is to become a citizen of the holobiont. To escape immune control is to become a pathogen or a cancer.
Evolutionary Developmental Biologist and Historian of Biology
Scott Frederick Gilbert is an American evolutionary developmental biologist and historian of biology. He is the Howard A. Schneiderman Professor of Biology (emeritus) at Swarthmore College and a Finland Distinguished Professor (emeritus) at the University of Helsinki.