GoKawiilNew automated platform speeds design and testing of synthetic genetic codes
Researchers describe a workflow that synthesizes and in-vitro-tests large pools of tRNA variants, including E. coli, M. alvus and M. mazei isoacceptors, using microchip-derived DNA oligo pools, T7-driven transcription, and cell-free translation systems. The method allows rapid amplification, refolding, purification and aminoacylation testing of tRNAs to evaluate their function outside living cells.
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Faster, automated screening of tRNA variants could accelerate efforts to expand the genetic code for synthetic biology, enabling engineered organisms or cell-free systems that incorporate non-standard amino acids more reliably. This kind of high-throughput prototyping reduces the manual bottleneck that has historically slowed genetic code engineering research.
- A microchip-based DNA synthesis and PCR pipeline generates large, diverse tRNA libraries efficiently.
- Cell-free protein synthesis systems (NEBExpress, PURExpress) are used to test tRNA aminoacylation without live cells.
- The approach covers multiple organisms' tRNA isoacceptors, supporting broader genetic code engineering research.
Eppendorf Research plus Single-Channel Pipette — Every step in this workflow — setting up IVT reactions, spiking in MgCl2, adding template DNA — lives or dies on accurate microliter transfers. The Eppendorf Research plus is a lightweight, autoclavable single-channel pipette built for exactly this kind of repetitive benchwork, with a smooth plunger and secure tip fit that make long PCR and bead-cleanup sessions far less painful.
See Eppendorf Research plus Single-Channel Pipette on Amazon → Affiliate link — we may earn a commission on purchases, at no extra cost to you. Product picked by AI based on this article; it is not a tested recommendation.Source: nature.com — Radford, 2026-08-26
Published there as: “Automated prototyping of genetic codes”
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