Synthetic biology may finally be ready to solve life's biggest mystery
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- SpudCell — built by University of Missouri scientists from 36 genes — self-assembled into cell-like bubbles and produced proteins once it was supplied with all the necessary building blocks of life.
- The SpudCell isn't alive yet: it can only manufacture proteins because researchers must supply the ribosomes, and it cannot metabolise food, generate its own energy, or reliably divide.
- In 2010, the J. Craig Venter Institute synthesised a stripped-down bacterial genome of 473 genes, booted it inside an emptied cell, and grew a reproducing organism — but couldn't explain what a third of those genes did.
- The article frames the SpudCell as the synthetic-biology equivalent of the Wright Flyer: a rough precursor to modern living cells, with improved versions expected to follow.
- Synthetic biology's stated long-term payoff is artificial cells that could replace fossil-fuel-derived plastics, fuels and fertiliser, while resolving how life emerges from dead matter.
Why it matters: The 36-gene SpudCell marks a deliberate shift in synthetic biology's strategy — from rebooting existing cells with synthetic genomes (as the J. Craig Venter Institute did in 2010 with 473 genes and a third of them unexplained) to building life from the ground up. Because the entity cannot yet reproduce or feed itself, any commercial payoff in fossil-fuel replacements remains distant — but the research directly attacks the foundational question of what life requires to exist.
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