A phosphamide nucleotide analog: a substrate for polymerase synthesis of DNA
作者:Jiong Meng、Qiaqia Guo、Xiaona Zhai、Song Yang、Shuai Wang、Pengcheng Wang、Debin Ji
DOI:10.1039/d4ob00089g
日期:2024.4.17
A type of modified nucleotide, deoxynucleotide γ-amidotriphosphates (dNTPγNH2s), exhibited around five times higher stability than dNTPs. These phosphamide nucleotides can be utilized by several DNA polymerases, and the amplification of a 10 kb DNA fragment through the polymerase chain reaction (PCR) can be accomplished even under conditions of high temperature, extended storage, or repeated freeze–thaw
polymerase reaction. The results obtained showed the incorporation of these derivatives into the DNA primer while maintaining nucleobase selectivity; however, their incorporation efficiency by DNA polymerase was lower than that of dNTP. This is the first study to demonstrate the successful synthesis of four sets of γ-amido-dNTPs and clarify their properties. Fullsize Image
γ-氨基修饰的 2'-脱氧核苷三磷酸 (dNTPs) 和核苷三磷酸 (NTPs) 作为生物工具变得越来越重要。我们在此描述了在使用水溶性碳二亚胺和氨溶液的一锅反应中从市售的相应 dNTP 和 NTP 中简单易行地合成 γ-酰胺基-dNTP 和 -NTP。我们检查了合成的 γ-酰胺基-dNTPs 对 DNA 聚合酶反应的影响。获得的结果表明,这些衍生物掺入了 DNA 引物,同时保持了核碱基选择性;然而,它们通过 DNA 聚合酶的掺入效率低于 dNTP。这是第一项证明成功合成四组 γ-酰胺基-dNTP 并阐明其性质的研究。 全尺寸图像