Journal
CELL
Volume 184, Issue 19, Pages 4886-+Publisher
CELL PRESS
DOI: 10.1016/j.cell.2021.08.001
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Funding
- European Research Council (ERC) - Deutsche Forschungsgemeinschaft [SMPFv2.0, SFB 1129, 240245660]
- Gutenberg Research College (GRC)
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Engineering new functionality into living eukaryotic systems by enzyme evolution or de novo protein design is a formidable challenge. By developing film-like synthetic organelles that support protein translation on the surfaces of various cellular membranes, we are able to equip eukaryotic cells with dual orthogonal expanded genetic codes that enable specific reprogramming of translational machineries with single-residue precision. The ability to spatially tune the output of translation within tens of nanometers not only has implications for understanding the function of membrane-associated protein condensation in cells, but is also important for synthetic biology.
Engineering new functionality into living eukaryotic systems by enzyme evolution or de novo protein design is a formidable challenge. Cells do not rely exclusively on DNA-based evolution to generate new functionality but often utilize membrane encapsulation or formation of membraneless organelles to separate distinct molecular processes that execute complex operations. Applying this principle and the concept of two-dimensional phase separation, we develop film-like synthetic organelles that support protein translation on the surfaces of various cellular membranes. These sub-resolution synthetic films provide a path to make functionally distinct enzymes within the same cell. We use these film-like organelles to equip eukaryotic cells with dual orthogonal expanded genetic codes that enable the specific reprogramming of distinct translational machineries with single-residue precision. The ability to spatially tune the output of translation within tens of nanometers is not only important for synthetic biology but has implications for understanding the function of membrane-associated protein condensation in cells.
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