oraxella osloensis is a species of Gram-negative oxidase positive, aerobic bacteria within the family Moraxellaceae in the gamma subdivision of the purple bacteria.[1]
The bacterium Moraxella osloensis is a mutualistic symbiont of the slug-parasitic nematode Phasmarhabditis hermaphrodita.[1] In nature, Phasmarhabditis hermaphrodita vectors Moraxella osloensis into the shell cavity of the slug host in which the bacteria multiply and kill the slug.[1]