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Did scientists just create synthetic life?
Scientific American • • science
Key Points:
- The SpudCell, created at the University of Minnesota, is the first synthetic cell to complete a full cellular life cycle, performing many functions of living cells but only up to five generations before it breaks down.
- The main limitation is the SpudCell's inability to produce its own ribosomes, essential molecular machines for protein synthesis, relying instead on borrowed ribosomes from E. coli that degrade over time.
- Faulty inheritance and lack of cellular organization during division cause incomplete genome transfer and uneven distribution of components, further limiting the SpudCell's longevity.
- Researchers aim to include genes for ribosome assembly in future iterations, though building ribosomes from scratch is a complex challenge involving precise protein and RNA assembly.
- Despite not being fully alive or self-sustaining, synthetic cells like the SpudCell have potential applications in drug delivery and diagnostics, where full self-replication is unnecessary.
