ArticleNucleic acids research2019
Structure guided fluorescence labeling reveals a two-step binding mechanism of neomycin to its RNA aptamer.
Article in Nucleic acids research, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Mechanism underlying the high regulatory performance of the doxycycline riboswitch G12.Nature communications · 2026Article
- Mobile Genetic Elements as Central Drivers of Antimicrobial Resistance: Molecular Mechanisms, Evolutionary Ecology, One Health Implications and Control Strategies.Antibiotics (Basel, Switzerland) · 2026Review
- Resolving the intricate binding of neomycin B to multiple binding motifs of a neomycin-sensing riboswitch aptamer by native top-down mass spectrometry and NMR spectroscopy.Nucleic acids research · 2024Article
- Molecular dynamics in multidimensional space explains how mutations affect the association path of neomycin to a riboswitch.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Non-covalent dyes in microscale thermophoresis for studying RNA ligand interactions and modifications.Chemical science · 2023Article
- What defines a synthetic riboswitch? - Conformational dynamics of ciprofloxacin aptamers with similar binding affinities but varying regulatory potentials.Nucleic acids research · 2021Article
- Mutations of N1 Riboswitch Affect its Dynamics and Recognition by Neomycin Through Conformational Selection.Frontiers in molecular biosciences · 2021Article
- Modular and Versatile Trans-Encoded Genetic Switches.Angewandte Chemie (International ed. in English) · 2020Article
- Probing of Nucleic Acid Structures, Dynamics, and Interactions With Environment-Sensitive Fluorescent Labels.Frontiers in chemistry · 2020Review
Corrections and comments
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The ability of the cytidine analog Çmf to act as a position specific reporter of RNA-dynamics was spectroscopically evaluated. Çmf-labeled single- and double-stranded RNAs differ in their fluorescence lifetimes, quantum yields and anisotropies. These observables were also influenced by the nucleobases flanking Çmf. This conformation and position specificity allowed to investigate the binding dynamics and mechanism of neomycin to its aptamer N1 by independently incorporating Çmf at four different positions within the aptamer. Remarkably fast binding kinetics of neomycin binding was observed with stopped-flow measurements, which could be satisfactorily explained with a two-step binding. Conformational selection was identified as the dominant mechanism.
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Registered trials
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