Using a CRISPR interference genetic approach, Bullen, Johnson, and colleagues discover a type IV restriction (TIV-RE) enzyme encoded on a mobilizable plasmid of multidrug resistant Enterococcus faecalis. This TIV-RE is a potent inhibitor of bacteriophage infection.
- Nathan P. Bullen
- Cydney N. Johnson
- Breck A. Duerkop