ArticleChemSystemsChem2023
Emergence of ATP- and GTP-Binding Aptamers from Single RNA Sequences by Error-Prone Replication and Selection.
Article in ChemSystemsChem, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 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
3 citing papers in PubMed, 1 citations in OpenAlex.
- A high-affinity dopamine aptamer: implications of library diversity and negative selection.Chemical science · 2026Article
- Mutagenesis-based evolution enables rapid retargeting of l-aptamers for structured RNA recognition.RSC chemical biology · 2026Article
- Origin of the RNA World in Cold Hadean Geothermal Fields Enriched in Zinc and Potassium: Abiogenesis as a Positive Fallout from the Moon-Forming Impact?Life (Basel, Switzerland) · 2025Article
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Authors and funding
4 authors at 1 institution in 1 country.
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Abstract
The spontaneous emergence of function from diverse RNA sequence pools is widely considered an important transition in the origin of life. Here we show that diverse sequence pools are not a prerequisite for the emergence of function. Starting five independent selection experiments each from a single RNA seed sequence - comprising a central homopolymeric poly-A (or poly-U) segment flanked by different conserved primer binding sites - we observe transformation (continuous drift) of the seeds into low diversity sequence pools by mutation, truncation and recombination without ever reaching that of a random pool even after 24 rounds. Upon continuous error prone replication and selection for ATP binding we isolate specific ATP- or GTP-binding aptamers with low micromolar affinities. Our results have implications for early RNA evolution in the light of the high mutation rates associated with both non-enzymatic and enzymatic prebiotic RNA replication.
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