ArticleNucleic acids research2011
Base pair opening kinetics study of the aegPNA:DNA hydrid duplex containing a site-specific GNA-like chiral PNA monomer.
Article in Nucleic acids research, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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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
2 citing papers in PubMed, 7 citations in OpenAlex.
- Base-pair Opening Dynamics of Nucleic Acids in Relation to Their Biological Function.Computational and structural biotechnology journal · 2019Review
- γ Sulphate PNA (PNA S): highly selective DNA binding molecule showing promising antigene activity.PloS one · 2012Article
Corrections and comments
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Peptide nucleic acids (PNA) are one of the most widely used synthetic DNA mimics where the four bases are attached to a N-(2-aminoethyl)glycine (aeg) backbone instead of the negative-charged phosphate backbone in DNA. We have developed a chimeric PNA (chiPNA), in which a chiral GNA-like γ(3)T monomer is incorporated into aegPNA backbone. The base pair opening kinetics of the aegPNA:DNA and chiPNA:DNA hybrid duplexes were studied by NMR hydrogen exchange experiments. This study revealed that the aegPNA:DNA hybrid is much more stable duplex and is less dynamic compared to DNA duplex, meaning that base pairs are opened and reclosed much more slowly. The site-specific incorporation of γ(3)T monomer in the aegPNA:DNA hybrid can destabilize a specific base pair and its neighbors, maintaining the thermal stabilities and dynamic properties of other base pairs. Our hydrogen exchange study firstly revealed the unique kinetic features of base pairs in the aegPNA:DNA and chiPNA:DNA hybrids, which will provide an insight into the development of methodology for specific DNA recognition using PNA fragments.
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Registered trials
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