Journal
NUCLEIC ACIDS RESEARCH
Volume 48, Issue 7, Pages 3423-3434Publisher
OXFORD UNIV PRESS
DOI: 10.1093/nar/gkaa135
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- Office of the Provost, Faculty of Arts& Sciences and Center for Advanced Imaging at Harvard University
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The spatio-temporal organization of chromatin in the eukaryotic cell nucleus is of vital importance for transcription, DNA replication and genome maintenance. Each of these activities is tightly regulated in both time and space. While we have a good understanding of chromatin organization in space, for example in fixed snapshots as a result of techniques like FISH and Hi-C, little is known about chromatin dynamics in living cells. The rapid development of flexible genomic loci imaging approaches can address fundamental questions on chromatin dynamics in a range of model organisms. Moreover, it is now possible to visualize not only single genomic loci but the whole genome simultaneously. These advances have opened many doors leading to insight into several nuclear processes including transcription and DNA repair. In this review, we discuss new chromatin imaging methods and how they have been applied to study transcription.
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