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首页> 外文期刊>Nucleic Acids Research >Mutagenic potentials of damaged nucleic acids produced by reactive oxygenitrogen species: approaches using synthetic oligonucleotides and nucleotides
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Mutagenic potentials of damaged nucleic acids produced by reactive oxygenitrogen species: approaches using synthetic oligonucleotides and nucleotides

机译:活性氧/氮物种产生的受损核酸的诱变潜力:使用合成寡核苷酸和核苷酸的方法

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摘要

DNA and DNA precursors (deoxyribonucleotides) suffer damage by reactive oxygenitrogen species. They are important mutagens for organisms, due to their endogenous formation. Damaged DNA and nucleotides cause alterations of the genetic information by the mispairing properties of the damaged bases, such as 8-hydroxyguanine (7,8-dihydro-8-oxoguanine) and 2-hydroxyadenine. Here, the author reviews the mutagenci potentials of damaged bases in DNA and of damaged DNA precursors formed by reactive oxygenitrogen species, focusing on the results obtained with synthetic oligonucleotides and 2'-deoxyribonucleoside 5'-triphosphates.
机译:DNA和DNA前体(脱氧核糖核苷酸)受到活性氧/氮物质的损害。由于它们的内源性形成,它们是生物的重要诱变剂。受损的DNA和核苷酸通过受损碱基(例如8-羟基鸟嘌呤(7,8-二氢-8-氧代鸟嘌呤)和2-羟基腺嘌呤)的错配特性引起遗传信息的改变。在这里,作者回顾了DNA中被破坏的碱基和由活性氧/氮物质形成的被破坏的DNA前体的诱变潜能,重点研究了合成寡核苷酸和2'-脱氧核糖核苷5'-三磷酸酯所获得的结果。

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