In the yeast Saccharomyces cerevisiae that lacks lamins, the nuclear pore complex (NPC) has been proposed to serve a role in chromatin organization. Here, using fluorescence microscopy in living cells, we show that nuclear pore proteins of the Nup84 core complex, Nup84p, Nup145Cp, Nup120p, and Nup133p, serve to anchor telomere XI-L at the nuclear periphery. The integrity of this complex is shown to be required for repression of a URA3 gene inserted in the subtelomeric region of this chromosome end. Furthermore, altering the integrity of this complex decreases the efficiency of repair of a DNA double-strand break (DSB) only when it is generated in the subtelomeric region, even though the repair machinery is functional. These effects are specific to the Nup84 complex. Our observations thus confirm and extend the role played by the NPC, through the Nup84 complex, in the functional organization of chromatin. They also indicate that anchoring of telomeres is essential for efficient repair of DSBs occurring therein and is important for preserving genome integrity.
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UNIV PIERRE & MARIE CURIE,LAB PROPRE,CNRS,CTR GENET MOLEC,F-91198 GIF SUR YVETTE,FRANCEUNIV PIERRE & MARIE CURIE,LAB PROPRE,CNRS,CTR GENET MOLEC,F-91198 GIF SUR YVETTE,FRANCE
BAUDIN, A
OZIERKALOGEROPOULOS, O
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UNIV PIERRE & MARIE CURIE,LAB PROPRE,CNRS,CTR GENET MOLEC,F-91198 GIF SUR YVETTE,FRANCEUNIV PIERRE & MARIE CURIE,LAB PROPRE,CNRS,CTR GENET MOLEC,F-91198 GIF SUR YVETTE,FRANCE
OZIERKALOGEROPOULOS, O
DENOUEL, A
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UNIV PIERRE & MARIE CURIE,LAB PROPRE,CNRS,CTR GENET MOLEC,F-91198 GIF SUR YVETTE,FRANCEUNIV PIERRE & MARIE CURIE,LAB PROPRE,CNRS,CTR GENET MOLEC,F-91198 GIF SUR YVETTE,FRANCE
DENOUEL, A
LACROUTE, F
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UNIV PIERRE & MARIE CURIE,LAB PROPRE,CNRS,CTR GENET MOLEC,F-91198 GIF SUR YVETTE,FRANCEUNIV PIERRE & MARIE CURIE,LAB PROPRE,CNRS,CTR GENET MOLEC,F-91198 GIF SUR YVETTE,FRANCE
LACROUTE, F
CULLIN, C
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UNIV PIERRE & MARIE CURIE,LAB PROPRE,CNRS,CTR GENET MOLEC,F-91198 GIF SUR YVETTE,FRANCEUNIV PIERRE & MARIE CURIE,LAB PROPRE,CNRS,CTR GENET MOLEC,F-91198 GIF SUR YVETTE,FRANCE
机构:
UNIV PIERRE & MARIE CURIE,LAB PROPRE,CNRS,CTR GENET MOLEC,F-91198 GIF SUR YVETTE,FRANCEUNIV PIERRE & MARIE CURIE,LAB PROPRE,CNRS,CTR GENET MOLEC,F-91198 GIF SUR YVETTE,FRANCE
BAUDIN, A
OZIERKALOGEROPOULOS, O
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h-index: 0
机构:
UNIV PIERRE & MARIE CURIE,LAB PROPRE,CNRS,CTR GENET MOLEC,F-91198 GIF SUR YVETTE,FRANCEUNIV PIERRE & MARIE CURIE,LAB PROPRE,CNRS,CTR GENET MOLEC,F-91198 GIF SUR YVETTE,FRANCE
OZIERKALOGEROPOULOS, O
DENOUEL, A
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h-index: 0
机构:
UNIV PIERRE & MARIE CURIE,LAB PROPRE,CNRS,CTR GENET MOLEC,F-91198 GIF SUR YVETTE,FRANCEUNIV PIERRE & MARIE CURIE,LAB PROPRE,CNRS,CTR GENET MOLEC,F-91198 GIF SUR YVETTE,FRANCE
DENOUEL, A
LACROUTE, F
论文数: 0引用数: 0
h-index: 0
机构:
UNIV PIERRE & MARIE CURIE,LAB PROPRE,CNRS,CTR GENET MOLEC,F-91198 GIF SUR YVETTE,FRANCEUNIV PIERRE & MARIE CURIE,LAB PROPRE,CNRS,CTR GENET MOLEC,F-91198 GIF SUR YVETTE,FRANCE
LACROUTE, F
CULLIN, C
论文数: 0引用数: 0
h-index: 0
机构:
UNIV PIERRE & MARIE CURIE,LAB PROPRE,CNRS,CTR GENET MOLEC,F-91198 GIF SUR YVETTE,FRANCEUNIV PIERRE & MARIE CURIE,LAB PROPRE,CNRS,CTR GENET MOLEC,F-91198 GIF SUR YVETTE,FRANCE