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3D Reconstruction and Comparison of Shapes of DNA Minicircles Observed by Cryo-Electron Microscopy

A. Amzallag, C. Vaillant, M. Jacob, M. Unser, J. Bednar, J.D. Kahn, J. Dubochet, A. Stasiak, J.H. Maddocks

Nucleic Acids Research, vol. 34, no. 18, pp. e125, September 29, 2006.


We use cryo-electron microscopy to compare 3D shapes of 158 bp long DNA minicircles that differ only in the sequence within an 18 bp block containing either a TATA box or a catabolite activator protein binding site. We present a sorting algorithm that correlates the reconstructed shapes and groups them into distinct categories. We conclude that the presence of the TATA box sequence, which is believed to be easily bent, does not significantly affect the observed shapes.

@ARTICLE(http://bigwww.epfl.ch/publications/amzallag0601.html,
AUTHOR="Amzallag, A. and Vaillant, C. and Jacob, M. and Unser, M. and
	Bednar, J. and Kahn, J.D. and Dubochet, J. and Stasiak, A. and
	Maddocks, J.H.",
TITLE="{3D} Reconstruction and Comparison of Shapes of {DNA} Minicircles
	Observed by Cryo-Electron Microscopy",
JOURNAL="Nucleic Acids Research",
YEAR="2006",
volume="34",
number="18",
pages="e125",
month="September 29,",
note="")

© 2006 The Author(s). Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from The Author(s). This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.
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