Journal
NATURE
Volume 609, Issue 7929, Pages 1029-+Publisher
NATURE PORTFOLIO
DOI: 10.1038/s41586-022-05223-w
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Funding
- Marie Curie Skodowska Postdoctoral Fellowship [8082 H2020 PROTOBAC ERC 670 837197]
- BBSRC [BB/P017320/1]
- ERC Advanced Grant Scheme [EC-2016-674 ADG 740235]
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This study presents a living material assembly process that utilizes bacterial colonies to construct complex synthetic cells. These synthetic cells inherit diverse biological components and exhibit multifunctional properties. The ability to remodel these cells internally allows for the integration of additional features, providing opportunities for various applications.
Advancing the spontaneous bottom-up construction of artificial cells with high organizational complexity and diverse functionality remains an unresolved issue at the interface between living and non-living matter(1-4). Here, to address this challenge, we developed a living material assembly process based on the capture and on-site processing of spatially segregated bacterial colonies within individual coacervate microdroplets for the endogenous construction of membrane-bounded, molecularly crowded, and compositionally, structurally and morphologically complex synthetic cells. The bacteriogenic protocells inherit diverse biological components, exhibit multifunctional cytomimetic properties and can be endogenously remodelled to include a spatially partitioned DNA-histone nucleus-like condensate, membranized water vacuoles and a three-dimensional network of F-actin proto-cytoskeletal filaments. The ensemble is biochemically energized by ATP production derived from implanted live Escherichia coli cells to produce a cellular bionic system with amoeba-like external morphology and integrated life-like properties. Our results demonstrate a bacteriogenic strategy for the bottom-up construction of functional protoliving microdevices and provide opportunities for the fabrication of new synthetic cell modules and augmented living/synthetic cell constructs with potential applications in engineered synthetic biology and biotechnology.
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