Israel S. Fernández

Structural biologist at Columbia University

Appears in 1 story

Last updated Oct 13, 2026

Stories

Bacterial antiviral enzyme builds DNA repeats like telomerase

New Capabilities

Co-led cryo-EM structural determination

Bacteria fight viruses with an enzyme that writes repetitive DNA from an RNA template. The system, called DRT10, works much like telomerase, the enzyme that protects chromosome ends in humans and most other eukaryotes.

Updated Oct 12