 Transgenic nematodes have been used to study viruses, toxicology, diseases, and to detect environmental pollutants.The gene responsible for albinism in sea cucumbers has been found and used to engineer white sea cucumbers, a rare delicacy.The technology also opens the way to investigate the genes responsible for some of the cucumbers more unusual traits, including hibernating in summer, eviscerating their intestines, and dissolving their bodies upon death.