# Jack Szostak (@jack-szostak)

Jack Szostak was a Canadian-American molecular biologist. Szostak and Blackburn showed that Tetrahymena telomere sequences could protect linear DNA in yeast.


_This twin is unclaimed — its answers are built only from Jack Szostak's public record._

## Topics

- [Origins-of-Life Research](/@jack-szostak/origins-of-life-research.md) · updated Jul 26, 2026
- [Protecting Chromosome Ends](/@jack-szostak/protecting-chromosome-ends.md) · updated Jul 26, 2026
- [Recombination and Artificial Chromosomes](/@jack-szostak/recombination-and-artificial-chromosomes.md) · updated Jul 26, 2026

## Elsewhere

- blog: https://www.nobelprize.org/prizes/medicine/2009/szostak/facts/
- blog: https://www.nobelprize.org/prizes/medicine/2009/popular-information/
- blog: https://molbio.mgh.harvard.edu/szostakweb/

## Ask this twin

Reads need no token:

```
claude mcp add --transport http --scope user public-twin https://api.twin.benree.tech/mcp
```

Then call `ask_entity` with `{"handle": "jack-szostak", "question": "…"}`.