The RNA polymerase from the crAss-like bacteriophage phi14:2, which is translocated into the host cell with phage DNA and transcribes early phage genes, is structurally most similar to eukaryotic RNA interference polymerases, suggesting that the latter have a phage origin.
- Arina V. Drobysheva
- Sofia A. Panafidina
- Maria L. Sokolova