Recruitment to the nuclear periphery can alter expression of genes in human cells

The spatial organisation of the genome in the nucleus has a role in the regulation of gene expression. In vertebrates, chromosomal regions with low gene-density are located close to the nuclear periphery. Correlations have also been made between the transcriptional state of some genes and their loca...

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Veröffentlicht in:PLoS genetics 2008-03, Vol.4 (3), p.e1000039-e1000039
Hauptverfasser: Finlan, Lee E, Sproul, Duncan, Thomson, Inga, Boyle, Shelagh, Kerr, Elizabeth, Perry, Paul, Ylstra, Bauke, Chubb, Jonathan R, Bickmore, Wendy A
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container_title PLoS genetics
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creator Finlan, Lee E
Sproul, Duncan
Thomson, Inga
Boyle, Shelagh
Kerr, Elizabeth
Perry, Paul
Ylstra, Bauke
Chubb, Jonathan R
Bickmore, Wendy A
description The spatial organisation of the genome in the nucleus has a role in the regulation of gene expression. In vertebrates, chromosomal regions with low gene-density are located close to the nuclear periphery. Correlations have also been made between the transcriptional state of some genes and their location near the nuclear periphery. However, a crucial issue is whether this level of nuclear organisation directly affects gene function, rather than merely reflecting it. To directly investigate whether proximity to the nuclear periphery can influence gene expression in mammalian cells, here we relocate specific human chromosomes to the nuclear periphery by tethering them to a protein of the inner nuclear membrane. We show that this can reversibly suppress the expression of some endogenous human genes located near the tethering sites, and even genes further away. However, the expression of many other genes is not detectably reduced and we show that location at the nuclear periphery is not incompatible with active transcription. The dampening of gene expression around the nuclear periphery is dependent on the activity of histone deacetylases. Our data show that the radial position within the nucleus can influence the expression of some, but not all, genes. This is compatible with the suggestion that re-localisation of genes relative to the peripheral zone of the nucleus could be used by metazoans to modulate the expression of selected genes during development and differentiation.
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subjects Base Sequence
Binding Sites - genetics
Cell Biology/Gene Expression
Cell Biology/Nuclear Structure and Function
Cell Line
Cell Nucleus - genetics
Cell Nucleus - metabolism
Chromosomes
Chromosomes, Human - genetics
Cloning
Colleges & universities
DNA Primers - genetics
DNA-Binding Proteins - genetics
DNA-Binding Proteins - metabolism
Gene Expression
Genetics
Genetics and Genomics/Epigenetics
Genetics and Genomics/Gene Expression
Genetics and Genomics/Nuclear Structure and Function
Genomes
Histone Deacetylases - metabolism
Humans
In Situ Hybridization, Fluorescence
Lac Operon
Membrane Proteins - genetics
Membrane Proteins - metabolism
Metazoa
Nuclear Envelope - genetics
Nuclear Envelope - metabolism
Oligonucleotide Array Sequence Analysis
Polymerase Chain Reaction
Proteins
Recombinant Fusion Proteins - genetics
Recombinant Fusion Proteins - metabolism
Saccharomyces cerevisiae
Suppression, Genetic
title Recruitment to the nuclear periphery can alter expression of genes in human cells
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