- The differences in DAF-16 corresponded to differences in longevity, stress resistance and immunity between the four species, with higher levels of DAF-16 activity correlating to longer life, increased resistance and better immunity against some infections.
http://www.reuters.com/article/idUSTRE6304FC20100401
Scientists find aging gene is linked to immunity
(Reuters) - British scientists studying the genetics of aging said on Thursday that experiments on laboratory worms showed that a specific gene is strongly linked to lifespan, immunity and disease resistance.