Chemistry

Scientists create faster DNA synthesis method using stable building blocks

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Researchers have developed a new approach to oligonucleotide synthesis that eliminates the need for oxidation steps after each nucleotide coupling cycle. The innovation involves using more stable DNA building blocks that are not moisture-sensitive, addressing long-standing efficiency problems in the conventional P(III)-phosphoramidite-based synthesis method. This streamlined process reduces workflow complexity and accelerates the production of oligonucleotides.


Faster and more efficient oligonucleotide synthesis could significantly impact molecular biology research, diagnostic test development, and the production of nucleic acid-based therapeutics. The simplified workflow may reduce manufacturing costs and increase accessibility to high-quality oligonucleotides for various biomedical applications.


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The chemical synthesis of oligonucleotides (ONs) is central to modern molecular biology, diagnostics and nucleic acid therapeutics. While demand for high-quality ONs is increasing, the conventional synthetic method has long-standing efficiency challenges. Widely adopted P(III)-phosphoramidite-based ON synthesis requires an oxidation step after every nucleotide coupling cycle and uses moisture-sensitive building blocks, adding complexity to the workflow and slowing the process.

Source: Stable DNA building blocks enable faster oligonucleotide synthesis without oxidation