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DNA-Tethered RNA Polymerase for Programmable In vitro Transcription and Molecular Computation
Published on: December 29, 2021
Highly parallel translation of DNA sequences into small molecules
Rebecca M Weisinger1, S Jarrett Wrenn, Pehr B Harbury
1Department of Chemistry, Stanford University, Stanford, California, United States of America.
Plos One
|April 6, 2012
Summary
Researchers created large small-molecule libraries for drug discovery using DNA-programmed chemistry. This method enables the efficient synthesis of diverse small molecules with desirable drug-like properties for in vitro evolution.
Area of Science:
- Medicinal Chemistry
- Synthetic Chemistry
- Biotechnology
Background:
- In vitro evolution of biopolymers has enabled the discovery of high-affinity ligands.
- Small-molecule libraries offer advantages like cell permeability and metabolic stability for drug development.
- Generating large, diverse small-molecule libraries requires advanced combinatorial synthesis techniques.
Purpose of the Study:
- To develop a method for creating vast small-molecule libraries with drug-like properties.
- To demonstrate the utility of DNA-programmed combinatorial chemistry for small-molecule synthesis.
- To produce small molecule-DNA conjugates for in vitro evolution.
Main Methods:
- Utilized mesofluidic devices for highly parallel, DNA-programmed combinatorial chemistry.
- Employed a 384-well plate format for efficient synthesis.
- Translated DNA sequences encoding diversity elements into corresponding small molecules.
Main Results:
- Successfully generated small-molecule libraries of high complexity (10^10 to 10^15 molecules).
- Demonstrated the translation of DNA genes into small-molecule products with desirable physicochemical properties.
- Produced small molecule-DNA conjugates suitable for in vitro evolution.
Conclusions:
- DNA-programmed combinatorial chemistry in mesofluidic devices is a robust method for generating diverse small-molecule libraries.
- This approach facilitates the discovery of novel small-molecule ligands with potential therapeutic applications.
- The synthesized small molecule-DNA conjugates are valuable tools for in vitro evolution-based drug discovery.
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