Directed Formation of DNA Nanoarrays through Orthogonal Self-Assembly

被引：13

作者：

Burns, Jonathan R. ^{[1
]}

Zekonyte, Jurgita ^{[2
]}

Siligardi, Giuliano ^{[3
]}

Hussain, Rohanah ^{[3
]}

Stulz, Eugen ^{[1
]}

机构：

[1] Univ Southampton, Sch Chem, Southampton SO17 1BJ, Hants, England

[2] Univ Southampton, Natl Ctr Adv Tribol, Sch Engn Sci, Southampton SO17 1BJ, Hants, England

[3] Diamond Light Source, Didcot OX11 0DE, Oxon, England

来源：

MOLECULES | 2011年 / 16卷 / 06期

基金：

英国工程与自然科学研究理事会;

关键词：

terpy-DNA; AFM; TEM; DNA nanotubes; PORPHYRIN ARRAYS; FORCE MICROSCOPY; LABEL-FREE; OLIGONUCLEOTIDES; RNA; NANOSTRUCTURES; HYBRIDIZATION; PURIFICATION; INFORMATION; TETRAHEDRON;

D O I：

10.3390/molecules16064912

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

We describe the synthesis of terpyridine modified DNA strands which selectively form DNA nanotubes through orthogonal hydrogen bonding and metal complexation interactions. The short DNA strands are designed to self-assemble into long duplexes through a sticky-end approach. Addition of weakly binding metals such as Zn(II) and Ni(II) induces the formation of tubular arrays consisting of DNA bundles which are 50-200 nm wide and 2-50 nm high. TEM shows additional long distance ordering of the terpy-DNA complexes into fibers.

引用

页码：4912 / 4922

页数：11

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