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The links between chromatin spatial organization and biological function
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Biochemistry and Microbiology. Uppsala University, Science for Life Laboratory, SciLifeLab.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Biochemistry and Microbiology. Uppsala University, Science for Life Laboratory, SciLifeLab.
2013 (English)In: Biochemical Society Transactions, ISSN 0300-5127, E-ISSN 1470-8752, Vol. 41, no 6, 1634-1639 p.Article in journal (Refereed) Published
Abstract [en]

During the last few years, there has been a rapid increase in our knowledge of how chromatin is organized inside the nucleus. Techniques such as FISH (fluorescence in situ hybridization) have proved that chromosomes organize themselves in so-called CTs (chromosome territories). In addition, newly developed 3C (chromatin conformation capture) techniques have revealed that certain chromosomal regions tend to interact with adjacent regions on either the same chromosome or adjacent chromosomes, and also that regions in close proximity are replicated simultaneously. Furthermore, transcriptionally repressed or active areas occupy different nuclear compartments. Another new technique, named DamID (DNA adenine methyltransferase identification), has strengthened the notion that transcriptionally repressed genes are often found in close association with the nuclear membrane, whereas transcriptionally active regions are found in the more central regions of the nucleus. However, in response to various stimuli, transcriptionally repressed regions are known to relocalize from the nuclear lamina to the interior of the nucleus, leading to a concomitant up-regulation of otherwise silenced genes. Taken together, these insights are of great interest for the relationship between chromosomal spatial organization and genome function. In the present article, we review recent advances in this field with a focus on mammalian cells and the eukaryotic model organism Schizosaccharomyces pombe.

Place, publisher, year, edition, pages
2013. Vol. 41, no 6, 1634-1639 p.
National Category
Medical and Health Sciences
Research subject
Biochemistry
Identifiers
URN: urn:nbn:se:uu:diva-211539DOI: 10.1042/BST20130213ISI: 000328282700046PubMedID: 24256267OAI: oai:DiVA.org:uu-211539DiVA: diva2:667308
Available from: 2013-11-26 Created: 2013-11-26 Last updated: 2017-12-06Bibliographically approved

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Rodriguez, AlejandroBjerling, Pernilla

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