AI BriefingAI Designs New Bacteriophages
·2026.04.26 16:29
Key point
An Evo-family genome language model created 16 new bacteriophages.
Details
Using the Evo 1 and Evo 2 genome language models, entire genomes were generated with the lytic phage ΦX174 as a template.
In an experiment, 285 AI-designed genomes were synthesized and introduced into E. coli C, and 16 were recovered as infectious phages.
- Some designs showed higher fitness than ΦX174 and faster lysis kinetics.
- Cryo-EM analysis revealed that one phage used an evolutionarily very distant DNA packaging protein in its capsid.
- The generated phage cocktail rapidly overcame ΦX174 resistance in three E. coli strains.
The researchers present this as the first generative design of a viable bacteriophage genome, demonstrating a foundation for designing useful organisms at the genome scale.
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