And what he could show was that it could be expressed, this is a picture from his 1994 science paper, in that e coli, and it is going to fluoresce green.

他证明了它可以被表达，这是1994年science文章里的一张图，在这大肠杆菌里，它有绿色的萤光。

麻省理工公开课 - 化学原理课程节选