A partially self-regenerating synthetic cell

Barbora Lavickova, Nadanai Laohakunakorn and Sebastian J. Maerkl ()
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Barbora Lavickova: School of Engineering, École Polytechnique Fédérale de Lausanne
Nadanai Laohakunakorn: School of Biological Sciences, University of Edinburgh
Sebastian J. Maerkl: School of Engineering, École Polytechnique Fédérale de Lausanne

Nature Communications, 2020, vol. 11, issue 1, 1-11

Abstract: Abstract Self-regeneration is a fundamental function of all living systems. Here we demonstrate partial molecular self-regeneration in a synthetic cell. By implementing a minimal transcription-translation system within microfluidic reactors, the system is able to regenerate essential protein components from DNA templates and sustain synthesis activity for over a day. By quantitating genotype-phenotype relationships combined with computational modeling we find that minimizing resource competition and optimizing resource allocation are both critically important for achieving robust system function. With this understanding, we achieve simultaneous regeneration of multiple proteins by determining the required DNA ratios necessary for sustained self-regeneration. This work introduces a conceptual and experimental framework for the development of a self-replicating synthetic cell.

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-20180-6

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DOI: 10.1038/s41467-020-20180-6

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