Reconfigurable T-junction DNA Origami.

DNA nanotechnology DNA origami T-junctions self-assembly

Journal

Angewandte Chemie (International ed. in English)
ISSN: 1521-3773
Titre abrégé: Angew Chem Int Ed Engl
Pays: Germany
ID NLM: 0370543

Informations de publication

Date de publication:
07 09 2020
Historique:
received: 30 04 2020
pubmed: 12 6 2020
medline: 12 6 2020
entrez: 12 6 2020
Statut: ppublish

Résumé

DNA self-assembly allows the construction of nanometre-scale structures and devices. Structures with thousands of unique components are routinely assembled in good yield. Experimental progress has been rapid, based largely on empirical design rules. Herein, we demonstrate a DNA origami technique designed as a model system with which to explore the mechanism of assembly. The origami fold is controlled through single-stranded loops embedded in a double-stranded DNA template and is programmed by a set of double-stranded linkers that specify pairwise interactions between loop sequences. Assembly is via T-junctions formed by hybridization of single-stranded overhangs on the linkers with the loops. The sequence of loops on the template and the set of interaction rules embodied in the linkers can be reconfigured with ease. We show that a set of just two interaction rules can be used to assemble simple T-junction origami motifs and that assembly can be performed at room temperature.

Identifiants

pubmed: 32524699
doi: 10.1002/anie.202006281
doi:

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

15942-15946

Informations de copyright

© 2020 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

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Auteurs

Katherine G Young (KG)

Department of Physics, University of Oxford, Parks Road, Oxford, OX1 3PU, UK.

Behnam Najafi (B)

Department of Physics, University of Oxford, Parks Road, Oxford, OX1 3PU, UK.

William M Sant (WM)

Department of Chemistry, University of Oxford, South Parks Road, Oxford, OX1 3QZ, UK.

Sonia Contera (S)

Department of Physics, University of Oxford, Parks Road, Oxford, OX1 3PU, UK.

Ard A Louis (AA)

Department of Physics, University of Oxford, Parks Road, Oxford, OX1 3PU, UK.

Jonathan P K Doye (JPK)

Department of Chemistry, University of Oxford, South Parks Road, Oxford, OX1 3QZ, UK.

Andrew J Turberfield (AJ)

Department of Physics, University of Oxford, Parks Road, Oxford, OX1 3PU, UK.

Jonathan Bath (J)

Department of Physics, University of Oxford, Parks Road, Oxford, OX1 3PU, UK.

Classifications MeSH