Salvador, Warts, Hippo and Yorkie are an eclectically named group of genes that form the core components of a signalling pathway in Drosophila that regulates control of organ size and may have some important parallels with human cancer.

Analysis of protein interactions show pathogens preferentially interact with hubs and bottlenecks.

US researchers have engineered mice with an obsessive compulsive-like syndrome and linked the disorder to protein in the brain.