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Transport and self-organization across different length scales powered by motor proteins and programmed by DNA
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Wollman, Adam J. M., Sanchez-Cano, Carlos, Carstairs, Helen M. J., Cross, R. A. and Turberfield, Andrew J. (2014) Transport and self-organization across different length scales powered by motor proteins and programmed by DNA. Nature Nanotechnology, Volume 9 (Number 1). pp. 44-47. doi:10.1038/nnano.2013.230
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Official URL: http://dx.doi.org/10.1038/nnano.2013.230
Abstract
In eukaryotic cells, cargo is transported on self-organized networks of microtubule trackways by kinesin and dynein motor proteins. Synthetic microtubule networks have previously been assembled in vitro, and microtubules have been used as shuttles to carry cargoes on lithographically defined tracks consisting of surface-bound kinesin motors. Here, we show that molecular signals can be used to program both the architecture and the operation of a self-organized transport system that is based on kinesin and microtubules and spans three orders of magnitude in length scale. A single motor protein, dimeric kinesin-1, is conjugated to various DNA nanostructures to accomplish different tasks. Instructions encoded into the DNA sequences are used to direct the assembly of a polar array of microtubules and can be used to control the loading, active concentration and unloading of cargo on this track network, or to trigger the disassembly of the network.
| Item Type: | Journal Article | ||||||||
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| Subjects: | Q Science > Q Science (General) | ||||||||
| Divisions: | Faculty of Medicine > Warwick Medical School > Biomedical Sciences > Microbiology & Infection Faculty of Medicine > Warwick Medical School |
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| Journal or Publication Title: | Nature Nanotechnology | ||||||||
| Publisher: | Nature Publishing Group | ||||||||
| ISSN: | 1748-3387 | ||||||||
| Official Date: | 10 November 2014 | ||||||||
| Dates: |
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| Volume: | Volume 9 | ||||||||
| Number: | Number 1 | ||||||||
| Page Range: | pp. 44-47 | ||||||||
| DOI: | 10.1038/nnano.2013.230 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access |
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