Daniel Huelgas‐Méndez

The paper identifies PinR, a serine recombinase in E. coli, which inverts prophage DNA to block T2 phage infection by creating a protein that prevents phage receptor binding.

This study shows bacteria can survive phage infection through mutation or by forming persisters, which survive without mutation and retain wild-type phage sensitivity.

The paper shows toxin/antitoxin systems induce persister cells to inhibit phage, working with restriction-modification systems to inactivate phage DNA.