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Single-step discovery of high-affinity RNA ligands by UltraSelex

Aptamers, nucleic acid ligands targeting specific molecules, have emerged as drug candidates, sensors, imaging tools and nanotechnology building blocks. The predominant method for their discovery, systematic evolution of ligands by exponential enrichment, while successful, is laborious, time-consumi...

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Main Authors: Zhang, Yaqing (Author) , Jiang, Yuan (Author) , Kuster, David (Author) , Ye, Qiwei (Author) , Huang, Wenhao (Author) , Fürbacher, Simon (Author) , Zhang, Jingye (Author) , Doll, Pia (Author) , Lin, Wenjun (Author) , Dong, Siwei (Author) , Wang, Hui (Author) , Tang, Zhipeng (Author) , Ibberson, David (Author) , Wild, Klemens (Author) , Sinning, Irmgard (Author) , Hyman, Anthony A. (Author) , Jäschke, Andres (Author)
Format: Article (Journal)
Language:English
Published: July 2025
In: Nature chemical biology
Year: 2025, Volume: 21, Issue: 7, Pages: 1118-1126
ISSN:1552-4469
DOI:10.1038/s41589-025-01868-6
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1038/s41589-025-01868-6
Verlag, lizenzpflichtig, Volltext: https://www.nature.com/articles/s41589-025-01868-6
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Author Notes:Yaqing Zhang, Yuan Jiang, David Kuster, Qiwei Ye, Wenhao Huang, Simon Fürbacher, Jingye Zhang, Pia Doll, Wenjun Lin, Siwei Dong, Hui Wang, Zhipeng Tang, David Ibberson, Klemens Wild, Irmgard Sinning, Anthony A. Hyman, Andres Jäschke
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Summary:Aptamers, nucleic acid ligands targeting specific molecules, have emerged as drug candidates, sensors, imaging tools and nanotechnology building blocks. The predominant method for their discovery, systematic evolution of ligands by exponential enrichment, while successful, is laborious, time-consuming and often results in candidates enriched for unintended criteria. Here we present UltraSelex, a noniterative method that combines biochemical partitioning, high-throughput sequencing and computational signal-to-background rank modeling for discovering RNA aptamers in about 1 day. UltraSelex identified high-affinity RNA aptamers capable of binding a fluorogenic silicon rhodamine dye and two protein targets, the SARS-CoV-2 RNA-dependent RNA polymerase and HIV reverse transcriptase, enabling live-cell RNA imaging and efficient enzyme inhibition, respectively. From the ranked sequences, minimal aptamer motifs could be easily inferred. UltraSelex provides a rapid route to reveal new drug candidates and diagnostic tools.
Item Description:Online veröffentlicht: 31. März 2025
Gesehen am 22.10.2025
Physical Description:Online Resource
ISSN:1552-4469
DOI:10.1038/s41589-025-01868-6

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