主题：【原创系列】不好意思, 请学生物的网友们来给俺科普一下 -- 衲子

见http://en.wikipedia.org/wiki/Prion

Although the identity and general properties of prions are now well-understood, the mechanism of prion infection and replication remains mysterious.

The actual synthesis of the prion protein is still carried out by the ribosome, while the infectious form of the prion protein only transfers the pathological conformation to the proteins synthesized by the cell.

还是需要核糖的。