Can CRISPR feed the world?

As the world's population rises, scientists want to edit the genes of potatoes and wheat to help them fight plant diseases that cause famine.

A molecular on/off switch for CRISPR

Picture bacteria and viruses locked in an arms race. For many bacteria, one line of defense against viral infection is a sophisticated RNA-guided "immune system" called CRISPR-Cas. At the center of this system is a surveillance ...

page 3 from 5