Mutations in Drosophila Swiss cheese (SWS) or its vertebrate orthologue neuropathy target esterase (NTE). respectively. cause progressive neuronal degeneration in Drosophila and mice and a complex syndrome in humans that includes mental retardation. spastic paraplegia and blindness. https://www.lightemupsequences.com/quick-find-Our-Seasons-The-World-in-Winter-Spring-Summer-and-Autumn-best-save/