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Elastic Model of Supercoiling

Benham, Craig J. (1977) Elastic Model of Supercoiling. Proceedings of the National Academy of Sciences of the United States of America, 74 (6). pp. 2397-2401. ISSN 0027-8424. http://resolver.caltech.edu/CaltechAUTHORS:BENpnas77

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Abstract

An elastic model for the supercoiling of duplex DNA is developed. The simplest assumptions regarding the elastic properties of double-helical DNA (homogeneous, isotropic, of circular cross section, and remaining straight when unstressed) will generate two orders of superhelicity when stressed. Recent experimental results [Brady, G. W., Fein, D. B. & Brumberger, H. (1976) Nature 264, 231-234] suggest that in supercoiled DNA molecules there are regions where two distinct orders of supercoiling arise, as predicted by this model.


Item Type:Article
Additional Information:Copyright © 1977 by the National Academy of Sciences Communicated by Max Delbrück, March 25, 1977 The costs of publication of this article were defrayed in part by the payment of page charges from funds made available to support the research which is the subject of the article. This article must therefore be hereby marked "advertisement" in accordance with 18 U. S. C. §1734 solely to indicate this fact.
Record Number:CaltechAUTHORS:BENpnas77
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:BENpnas77
Alternative URL:http://www.pnas.org/cgi/content/abstract/74/6/2397
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:5222
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:05 Oct 2006
Last Modified:26 Dec 2012 09:04

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