A lot of genomic tools evolved already in the past evolution: CRISPR and now Retrons, mRNA for vaccines and cancer

 10.1126/science.370.6519.898

Retrons seem to be a powerful tool to defend bacteria when invaded by a phage virus.

https://advances.sciencemag.org/content/6/47/eabc9450

Targeting cancer cells with a protein produced on site in the cell by a coding mRNA