Humans have it. So does Drosophila. But not yeast. That "it" is a small pause at the start of gene activity—a brief molecular ...

A newly discovered promoter element "start" points to a shared regulatory syntax for controlling transcription initiation in ...

Genes encode proteins and proteins dictate cell function. Therefore, the thousands of genes expressed in a particular cell determine what that cell can do. Moreover, each step in the flow of ...