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Does the dynamics of sine-Gordon solitons predict active regions of DNA

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dc.affiliation.dptoUC3M. Departamento de Matemáticases
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Interdisciplinar de Sistemas Complejos (GISC)es
dc.contributor.authorCuenda, Sara
dc.contributor.authorSánchez, Angel
dc.contributor.authorQuintero, Niurka R.
dc.date.accessioned2012-09-03T08:34:24Z
dc.date.available2012-09-03T08:34:24Z
dc.date.issued2006-11-15
dc.description.abstractIn this work we analyze the possibility that the soliton dynamics in a simple nonlinear model allows functionally relevant predictions of the behaviour of DNA. This suggestion was first put forward by Salerno [M. Salerno, Phys. Rev. A 44 (1991) 5292] by showing results indicating that sine–Gordon kinks were set in motion at certain regions of a DNA sequence that include promoters. We revisit that system and show that the observed behaviour has nothing to do with promoters; on the contrary, it originates from the bases at the boundary, which are not part of the genome studied. We explain this phenomenology in terms of an effective potential for the kink center. This is further extended to disprove recent claims that the dynamics of kinks [E. Lennholm, M. H¨ornquist, Physica D 177 (2003) 233] or breathers [J.D. Bashford, J. Biol. Phys. 32 (2006) 27] has functional significance.We conclude that no such information can be extracted from this simple nonlinear model or its associated effective potentiales
dc.description.sponsorshipThis work was supported by the Ministerio de Educación y Ciencia of Spain through grants BFM2003-07749- C05-01, FIS2004-01001, NAN2004-09087-C03-03, FIS2005- 973, by Comunidad de Madrid grant SIMUMAT-CM and by the Junta de Andaluc´ıa under projects 00481 and FQM-0207. S.C. is supported by a fellowship from the Consejería de Educación de la Comunidad de Madrid and the Fondo Social Europeo.es
dc.description.statusPublicadoes
dc.format.mimetypeapplication/pdf
dc.identifier.bibliographicCitationPhysica D: Nonlinear Phenomena, vol. 233, n. 2, 15 nov. 2006. Pp. 214-221es
dc.identifier.doi10.1016/j.physd.2006.09.005
dc.identifier.issn0167-2789
dc.identifier.urihttps://hdl.handle.net/10016/15169
dc.language.isoenges
dc.publisherElsevieres
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.physd.2006.09.005
dc.rights.accessRightsopen accesses
dc.subject.ecienciaMatemáticases
dc.subject.otherDNAes
dc.subject.otherGenomees
dc.subject.otherNonlinear dynamicses
dc.subject.otherSolitonses
dc.subject.otherCollective coordinateses
dc.titleDoes the dynamics of sine-Gordon solitons predict active regions of DNAes
dc.typeresearch article*
dc.type.hasVersionAM*
dspace.entity.typePublication
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