Retron-Sen2 of Salmonella Typhimurium encodes a toxin and a reverse transcriptase, which, together with the Sen2 multi-copy single-stranded DNA synthesized by the reverse transcriptase make up a tripartite toxin–antitoxin system that functions in anti-phage defence.
- Jacob Bobonis
- Karin Mitosch
- Athanasios Typas