RATIONAL DESIGN OF SEQUENCE-SPECIFIC DNA LIGANDS FOR ARTIFICIAL CONTROL OF GENE-EXPRESSION

被引:8
作者
HELENE, C
机构
[1] Laboratoire de Biophysique, Muséum National d'Histoire Naturelle, 75231 Paris Cedex 05, INSERM U.201, CNRS URA 481
关键词
D O I
10.1351/pac199466040663
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Oligonucleotides can be designed to bind to oligopurine oligopyrimidine sequences of double-helical DNA. Binding occurs in the major groove and a triple helix is formed. Bifunctional oligonucleotide-intercalator conjugates have an increased affinity due to intercalation either at the triplex-duplex junction or within the triple-helical structure. Some intercalating agents can be chemically or photochemidally activated to induce irreversible reactions at the target sequence. Oligonucleotide directed triple-helix formation can be used to control gene transcription. Chimeric oligonucleotides can also be designed to form a triple helix on a single-stranded target. These ''oligonucleotide clamps'' can block nucleic acid processing enzymes.
引用
收藏
页码:663 / 669
页数:7
相关论文
共 34 条
[31]   SEQUENCE-SPECIFIC INTERCALATING AGENTS - INTERCALATION AT SPECIFIC SEQUENCES ON DUPLEX DNA VIA MAJOR GROOVE RECOGNITION BY OLIGONUCLEOTIDE INTERCALATOR CONJUGATES [J].
SUN, JS ;
FRANCOIS, JC ;
MONTENAYGARESTIER, T ;
SAISONBEHMOARAS, T ;
ROIG, V ;
THUONG, NT ;
HELENE, C .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1989, 86 (23) :9198-9202
[32]  
SUN JS, 1991, CR ACAD SCI III-VIE, V313, P585
[33]   SEQUENCE-SPECIFIC PHOTOINDUCED CROSS-LINKING OF THE 2 STRANDS OF DOUBLE-HELICAL DNA BY A PSORALEN COVALENTLY LINKED TO A TRIPLE HELIX-FORMING OLIGONUCLEOTIDE [J].
TAKASUGI, M ;
GUENDOUZ, A ;
CHASSIGNOL, M ;
DECOUT, JL ;
LHOMME, J ;
THUONG, NT ;
HELENE, C .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1991, 88 (13) :5602-5606
[34]   SEQUENCE-SPECIFIC RECOGNITION AND MODIFICATION OF DOUBLE-HELICAL DNA BY OLIGONUCLEOTIDES [J].
THUONG, NT ;
HELENE, C .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 1993, 32 (05) :666-690