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The US Defense Advanced Research Projects Agency (DARPA) has launched Generative Optogenetics (GO), a program that aims to let living cells write their own DNA and RNA on demand using beams of light. Instead of synthesizing genetic material in distant factories and then inserting it, scientists plan to engineer microbes and human cells to assemble precise nucleic-acid sequences inside the body whenever specific wavelengths strike them. DARPA's Biological Technologies Office describes the effort as a shift from today's slow, lab-bound gene synthesis to rapid, programmable biology that operates directly within organisms. Program manager Matthew Pava leads the initiative, which remains in early exploratory stages with no public milestones yet announced.
Source: https://www.darpa.mil/research/programs/go
YouTube video: https://www.youtube.com/watch?v=RtpZhZcbQXQ
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Discussion forums: DARPA Seeks to Turn Living Cells into On-Demand DNA and RNA Printers Using Light
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