Supramolecular nanoscaffolds within cytomimetic protocells as signal localization hubs

Eva Magdalena Estirado, Alexander F Mason, Miguel Angel Garcia, Jan C.M. van Hest (Corresponding author), Luc Brunsveld (Corresponding author)

Research output: Contribution to journalArticleAcademicpeer-review

8 Citations (Scopus)

Abstract

The programmed construction of functional synthetic cells requires spatial control over arrays of biomolecules within the cytomimetic environment. The mimicry of the natural hierarchical assembly of biomolecules remains challenging due to the lack of an appropriate molecular toolbox. Herein, we report the implementation of DNA-decorated supramolecular assemblies as dynamic and responsive nanoscaffolds for the localization of arrays of DNA signal cargo within hierarchically assembled complex coacervate protocells. Protocells stabilized with a semipermeable membrane allow trafficking of single-stranded DNA between neighboring protocells. DNA duplex operations demonstrate the responsiveness of the nanoscaffolds to different input DNA strands via the reversible release of DNA cargo. Moreover, a second population of coacervate protocells with nanoscaffolds featuring a higher affinity for the DNA cargo enabled chemically programmed communication between both protocell populations. This combination of supramolecular structure and function paves the way for the next generation of protocells imbued with programmable, lifelike behaviors.

Original languageEnglish
Pages (from-to)9106-9111
Number of pages6
JournalJournal of the American Chemical Society
Volume142
Issue number20
Early online date7 May 2020
DOIs
Publication statusPublished - 20 May 2020

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