Parallel manipulation of bifunctional DNA molecules on structured surfaces using kinesin-driven microtubules

被引:54
作者
Dinu, Cerasela Zoica
Opitz, Joerg
Pompe, Wolfgang
Howard, Jonathon
Mertig, Michael [1 ]
Diez, Stefan
机构
[1] Max Planck Inst Mol Cell Biol & Genet, D-01307 Dresden, Germany
[2] Dresden Univ Technol, Max Bergmann Ctr Biomat, BioNanotechnol & Struct Format Grp, D-01062 Dresden, Germany
[3] Dresden Univ Technol, Inst Mat Sci, D-01069 Dresden, Germany
关键词
DNA; kinesin; microtubules; nanomanipulation;
D O I
10.1002/smll.200600112
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We have developed a technique to manipulate bifunctional DNA molecules: One end is thiolated to bind to a patterned gold surface and the other end is biotinylated to bind to a microtubule gliding over a kinesin-coated surface. We found that DNA molecules can be stretched and overstretched between the gold pads and the motile microtubules, and that they can form dynamic networks. This serves as a proof-of-principle that biological machineries can be used in vitro to accomplish the parallel formation of structured DNA templates that will have applications in biophysics and nanoelectronics.
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收藏
页码:1090 / 1098
页数:9
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