ArticleThe European physical journal. E, Soft matter2013
DNA triplex folding: moderate versus high salt conditions.
Article in The European physical journal. E, Soft matter, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 3 citations in OpenAlex.
- NALDB: nucleic acid ligand database for small molecules targeting nucleic acid.Database : the journal of biological databases and curation · 2016Article
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Authors and funding
4 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Some specific sequences in duplex DNA can give rise to local formation of a triple helical DNA called triplex together with a separate strand. Recent single-molecule FRET experiments, performed on DNA strands designed to fold into a triplex, allow us to measure the folding and unfolding time distributions under neutral p H conditions. The average times of both processes are of the order of 1 s. The folding time is moderately sensitive to salt concentration. The average unfolding time is found to be nearly constant. Interestingly, the distributions of the unfolding time revealed heterogeneous kinetics at moderate salt concentration (∼ 10 mM), but not at high salt (∼ 100 mM). We relate this salt dependence to different folding paths and folded states, which are governed by the (salt-dependent) stiffness of the third single-stranded donor sequence. Finally we comment on the formation of intramolecular triplex named H-DNA in a torsionally constrained duplex under physiological salt conditions, which mimics the in vivo situation of triplex folding.
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