1·Certainly, these genes are involved in life extension in simple species such as threadworms and yeast.
当然，这些基因也出现在简单物种的生命延长上，比如蛲虫和酵母。
2·“Caloric restriction”, as it is known in the trade, works for everything from threadworms to mammals (people included, as far as can be ascertained without the luxury of controlled experiments).
“控制热量”从线虫类动物到哺乳动物（包括人类）的一切生物都起作用，这在整个行业中已经众所皆知。