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Nature Research, Scientific Reports, 1(3), 2013

DOI: 10.1038/srep01883

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Addressable and unidirectional energy transfer along a DNA three-way junction programmed by pyrrole-imidazole polyamides

Journal article published in 2013 by Wu Su, Clive R. Bagshaw, Glenn A. Burley ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

AbstractWe describe a photonic waveguide where FRET is routed uni-directionally along a double-stranded DNA track. The efficiency of FRET is modulated by the supramolecular control of fluorophores along double-stranded DNA using fluorophore-tethered Pyrrole-Imidazole polyamides (PAs). We show that uni-directional FRET is enhanced by the complete assembly of each of the constituent parts, resulting in the selective routing of light along simple DNA duplexes as well as a three-way junction (3WJ).