Listeria protein provides a CRISPR ‘kill switch’
July 13, 2020![](https://news.cornell.edu/sites/default/files/styles/story_thumbnail_home/public/2020-07/0713_crispr_tnd.jpg?itok=AehsWhJw)
A single protein derived from a common strain of bacteria found in the soil will offer scientists a more precise way to edit RNA, according to new Cornell food science research.