END nucleases: Antiphage defense systems targeting multiple hypermodified phage genomes
Wearn‐Xin Yee, Yan‐Jiun Lee, Timothy A. Klein, Alex Wirganowicz, Andres E. Gabagat, Bálint Csörgő, Kira S. Makarova, Eugene V. Koonin, Peter Weigele, Joseph Bondy‐Denomy
The paper identifies ENDPaCF1, a novel defense system in Pseudomonas aeruginosa, which targets hypermodified phage DNA through an endonuclease domain fused to an inactive Endonuclease III, revealing its role in antiphage immunity.
bioRxiv · Mar 31, 2025 · PreprintMicrobiology