DNA Gridiron Nanostructures Based on Four-Arm Junctions

被引：222
|
作者：
Han, Dongran [1 ,2 ]
Pal, Suchetan [1 ,2 ]
Yang, Yang [1 ,2 ]
Jiang, Shuoxing [1 ,2 ]
Nangreave, Jeanette [1 ,2 ]
Liu, Yan [1 ,2 ]
Yan, Hao [1 ,2 ]
机构：
[1] Arizona State Univ, Biodesign Inst, Tempe, AZ 85287 USA
[2] Arizona State Univ, Dept Chem & Biochem, Tempe, AZ 85287 USA
来源：
SCIENCE | 2013年 / 339卷 / 6126期
基金：
美国国家科学基金会;
关键词：
FOLDING DNA;
D O I：
10.1126/science.1232252
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Engineering wireframe architectures and scaffolds of increasing complexity is one of the important challenges in nanotechnology. We present a design strategy to create gridiron-like DNA structures. A series of four-arm junctions are used as vertices within a network of double-helical DNA fragments. Deliberate distortion of the junctions from their most relaxed conformations ensures that a scaffold strand can traverse through individual vertices in multiple directions. DNA gridirons were assembled, ranging from two-dimensional arrays with reconfigurability to multilayer and three-dimensional structures and curved objects.
引用
收藏
页码：1412 / 1415
页数：4
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