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含诱变碱基类似物4-O-乙基胸腺嘧啶的寡脱氧核苷酸的合成与表征

Synthesis and characterization of oligodeoxynucleotides containing the mutagenic base analogue 4-O-ethylthymine.

作者信息

Fernandez-Forner D, Palom Y, Ikuta S, Pedroso E, Eritja R

机构信息

Department of Organic Chemistry, University of Barcelona, Spain.

出版信息

Nucleic Acids Res. 1990 Oct 11;18(19):5729-34. doi: 10.1093/nar/18.19.5729.

Abstract

A method for the preparation of oligonucleotides containing the mutagenic base 4-O-ethylthymine is described for the first time. Use of p-nitrophenylethyl type base protecting groups together with phosphitetriester solid-phase methodology makes possible the rapid and efficient preparation of oligonucleotides bearing 4-O-ethylthymine, while standard base protecting groups are not compatible with the presence of this base. Possible applications of this methodology are discussed.

摘要

首次描述了一种制备含有诱变碱基4-O-乙基胸腺嘧啶的寡核苷酸的方法。对硝基苯乙基型碱基保护基团与亚磷酸三酯固相方法的使用使得快速有效地制备带有4-O-乙基胸腺嘧啶的寡核苷酸成为可能,而标准碱基保护基团与该碱基的存在不相容。讨论了该方法的可能应用。

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本文引用的文献

1
Mechanisms of carcinogenesis induced by alkylating agents.烷化剂诱导的致癌机制。
Biochim Biophys Acta. 1985 Dec 17;823(2):111-45. doi: 10.1016/0304-419x(85)90009-5.
2
Hybridization triggered cross-linking of deoxyoligonucleotides.杂交引发脱氧寡核苷酸的交联。
Nucleic Acids Res. 1986 Oct 10;14(19):7661-74. doi: 10.1093/nar/14.19.7661.
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Use of a dodecadeoxynucleotide to study repair of the O4-methylthymine lesion.
Mutat Res. 1988 Mar;193(2):131-7. doi: 10.1016/0167-8817(88)90043-0.
9
Solid-phase synthesis and side reactions of oligonucleotides containing O-alkylthymine residues.
Biochemistry. 1989 Feb 21;28(4):1471-7. doi: 10.1021/bi00430a007.

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