Stanford creates biological transistors, the final step towards computers inside living cells

Bioengineers at Stanford University have created the first biological transistor made from genetic materials: DNA and RNA. Dubbed the “transcriptor,” this biological transistor is the final component required to build biological computers that operate inside living cells. We are now tantalizingly close to biological computers that can detect changes in a cell’s environment, store a record of that change in memory made of DNA, and then trigger some kind of response — say, commanding a cell to stop producing insulin, or to self-destruct if cancer is detected.

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