ArticleJournal of nucleic acids2012
PCR amplification and transcription for site-specific labeling of large RNA molecules by a two-unnatural-base-pair system.
Article in Journal of nucleic acids, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Structural basis of transcription recognition of a hydrophobic unnatural base pair by T7 RNA polymerase.Nature communications · 2023Article
- Strategies for Covalent Labeling of Long RNAs.Chembiochem : a European journal of chemical biology · 2021Review
- Cognate base-pair selectivity of hydrophobic unnatural bases in DNA ligation by T4 DNA ligase.Biopolymers · 2021Article
- Site-specific labeling of RNA by combining genetic alphabet expansion transcription and copper-free click chemistry.Nucleic acids research · 2015Article
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
For the site-specific labeling and modification of RNA by genetic alphabet expansion, we developed a PCR and transcription system using two hydrophobic unnatural base pairs: 7-(2-thienyl)-imidazo[4,5-b]pyridine (Ds) and 2-nitro-4-propynylpyrrole (Px) as a third pair for PCR amplification and Ds and pyrrole-2-carbaldehyde (Pa) for the incorporation of functional components as modified Pa bases into RNA by T7 transcription. To prepare Ds-containing DNA templates with long chains, the Ds-Px pair was utilized in a fusion PCR method, by which we demonstrated the synthesis of 282-bp DNA templates containing Ds at specific positions. Using these Ds-containing DNA templates and a biotin-linked Pa substrate (Biotin-PaTP) as a modified Pa base, 260-mer RNA transcripts containing Biotin-Pa at a specific position were generated by T7 RNA polymerase. This two-unnatural-base-pair system, combining the Ds-Px and Ds-Pa pairs with modified Pa substrates, provides a powerful tool for the site-specific labeling and modification of desired positions in large RNA molecules.
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Registered trials
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