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  TMV nanorods with programmed longitudinal domains of differently addressable coat proteins

Geiger, F., Eber, F. J., Eiben, S., Mueller, A., Jeske, H., Spatz, J. P., et al. (2013). TMV nanorods with programmed longitudinal domains of differently addressable coat proteins. Nanoscale, 5(9), 3808-3016. doi:10.1039/C3NR33724C.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000E-F87F-6 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-7720-E
Genre: Journal Article

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 Creators:
Geiger, Fania1, Author              
Eber, Fabian J., Author
Eiben, Sabine, Author
Mueller, Anna, Author
Jeske, Holger, Author
Spatz, Joachim P.1, 2, Author              
Wege, Christina, Author
Affiliations:
1Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society, ou_2364731              
2Biophysical Chemistry, Institute of Physical Chemistry, University of Heidelberg, 69120 Heidelberg, Germany, ou_persistent22              

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 Abstract: The spacing of functional nanoscopic elements may play a fundamental role in nanotechnological and biomedical applications, but is so far rarely achieved on this scale. In this study we show that tobacco mosaic virus (TMV) and the RNA-guided self-assembly process of its coat protein (CP) can be used to establish new nanorod scaffolds that can be loaded not only with homogeneously distributed functionalities, but with distinct molecule species grouped and ordered along the longitudinal axis. The arrangement of the resulting domains and final carrier rod length both were governed by RNA-templated two-step in vitro assembly. Two selectively addressable TMV CP mutants carrying either thiol (TMVCys) or amino (TMVLys) groups on the exposed surface were engineered and shown to retain reactivity towards maleimides or NHS esters, respectively, after acetic acid-based purification and re-assembly to novel carrier rod types. Stepwise combination of CPCys and CPLys with RNA allowed fabrication of TMV-like nanorods with a controlled total length of 300 or 330 nm, respectively, consisting of adjacent longitudinal 100-to-200 nm domains of differently addressable CP species. This technology paves the way towards rod-shaped scaffolds with pre-defined, selectively reactive barcode patterns on the nanometer scale.

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Language(s): eng - English
 Dates: 2012-11-192013-03-032013-03-03
 Publication Status: Published in print
 Pages: 9
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1039/C3NR33724C
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Title: Nanoscale
Source Genre: Journal
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Publ. Info: Cambridge, UK : Royal Society of Chemistry
Pages: - Volume / Issue: 5 (9) Sequence Number: - Start / End Page: 3808 - 3016 Identifier: ISSN: 2040-3364
CoNE: https://pure.mpg.de/cone/journals/resource/2040-3364