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dc.contributor.author
Levi, Valeria
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dc.contributor.author
Gratton, Enrico
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dc.date.available
2019-03-07T15:03:56Z
dc.date.issued
2008-05
dc.identifier.citation
Levi, Valeria; Gratton, Enrico; Chromatin dynamics during interphase explored by single-particle tracking; Springer; Chromosome Research; 16; 3; 5-2008; 439-449
dc.identifier.issn
0967-3849
dc.identifier.uri
http://hdl.handle.net/11336/71158
dc.description.abstract
Our view of the structure and function of the interphase nucleus has changed drastically in recent years. It is now widely accepted that the nucleus is a well organized and highly compartmentalized organelle and that this organization is intimately related to nuclear function. In this context, chromatin-initially considered a randomly entangled polymer-has also been shown to be structurally organized in interphase and its organization was found to be very important to gene regulation. Relevant and not completely answered questions are how chromatin organization is achieved and what mechanisms are responsible for changes in the positions of chromatin loci in the nucleus. A significant advance in the field resulted from tagging chromosome sites with bacterial operator sequences, and visualizing these tags using green fluorescent protein fused with the appropriate repressor protein. Simultaneously, fluorescence imaging techniques evolved significantly during recent years, allowing observation of the time evolution of processes in living specimens. In this context, the motion of the tagged locus was observed and analyzed to extract quantitative information regarding its dynamics. This review focuses on recent advances in our understanding of chromatin dynamics in interphase with the emphasis placed on the information obtained from single-particle tracking (SPT) experiments. We introduce the basis of SPT methods and trajectory analysis, and summarize what has been learnt by using this new technology in the context of chromatin dynamics. Finally, we briefly describe a method of SPT in a two-photon excitation microscope that has several advantages over methods based on conventional microscopy and review the information obtained using this novel approach to study chromatin dynamics. © 2008 Springer.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Chromatin Dynamics
dc.subject
Single-Particle Tracking
dc.subject
Two-Photon Microscopy
dc.subject.classification
Otras Ciencias Biológicas
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Chromatin dynamics during interphase explored by single-particle tracking
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-02-12T17:07:47Z
dc.journal.volume
16
dc.journal.number
3
dc.journal.pagination
439-449
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Dordrecht
dc.description.fil
Fil: Levi, Valeria. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física. Laboratorio de Electrónica Cuántica; Argentina
dc.description.fil
Fil: Gratton, Enrico. University of California at Irvine; Estados Unidos
dc.journal.title
Chromosome Research
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.1007/s10577-008-1240-8
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