Segregation of yeast nuclear pores

Arising from: Z. Shcheprova, S. Baldi, S. B. Frei, G. Gonnet & Y. Barral Nature 454, 728-734 (2008)During mitosis in Saccharomyces cerevisiae, senescence factors such as extrachromosomal ribosomal DNA circles (ERCs) are retained in the mother cell and excluded from the bud/daughter cell. Shchepr...

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Veröffentlicht in:Nature (London) 2010-07, Vol.466 (7305), p.E1-E1
Hauptverfasser: Khmelinskii, Anton, Keller, Philipp J, Lorenz, Holger, Schiebel, Elmar, Knop, Michael
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container_issue 7305
container_start_page E1
container_title Nature (London)
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creator Khmelinskii, Anton
Keller, Philipp J
Lorenz, Holger
Schiebel, Elmar
Knop, Michael
description Arising from: Z. Shcheprova, S. Baldi, S. B. Frei, G. Gonnet & Y. Barral Nature 454, 728-734 (2008)During mitosis in Saccharomyces cerevisiae, senescence factors such as extrachromosomal ribosomal DNA circles (ERCs) are retained in the mother cell and excluded from the bud/daughter cell. Shcheprova et al. proposed a model suggesting segregation of ERCs through their association with nuclear pore complexes (NPCs) and retention of pre-existing NPCs in the mother cell during mitosis. However, this model is inconsistent with previous data and we demonstrate here that NPCs do efficiently migrate from the mother into the bud. Therefore, binding to NPCs does not seem to explain the retention of ERCs in the mother cell.
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Shcheprova, S. Baldi, S. B. Frei, G. Gonnet &amp; Y. Barral Nature 454, 728-734 (2008)During mitosis in Saccharomyces cerevisiae, senescence factors such as extrachromosomal ribosomal DNA circles (ERCs) are retained in the mother cell and excluded from the bud/daughter cell. Shcheprova et al. proposed a model suggesting segregation of ERCs through their association with nuclear pore complexes (NPCs) and retention of pre-existing NPCs in the mother cell during mitosis. However, this model is inconsistent with previous data and we demonstrate here that NPCs do efficiently migrate from the mother into the bud. Therefore, binding to NPCs does not seem to explain the retention of ERCs in the mother cell.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>20651645</pmid><doi>10.1038/nature09255</doi><tpages>2</tpages><oa>free_for_read</oa></addata></record>
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subjects 631/136/334/2243/1796
631/45/147
631/80/389/2029
631/80/641/1655
Binding
brief-communications-arising
Cellular biology
Chromosome Segregation - physiology
Deoxyribonucleic acid
DNA, Fungal - metabolism
DNA, Ribosomal - metabolism
Extrachromosomal DNA
Fluorescence microscopy
Humanities and Social Sciences
Mathematical models
Methods
Mitosis
multidisciplinary
Nuclear Pore - metabolism
Nuclear Pore Complex Proteins - analysis
Nuclear Pore Complex Proteins - genetics
Nuclear Pore Complex Proteins - metabolism
Porosity
Properties
Proteins
Ribosomal DNA
Saccharomyces cerevisiae
Saccharomyces cerevisiae - cytology
Saccharomyces cerevisiae - metabolism
Saccharomyces cerevisiae Proteins - analysis
Saccharomyces cerevisiae Proteins - genetics
Saccharomyces cerevisiae Proteins - metabolism
Science
Science (multidisciplinary)
Segregations
Yeast
Yeast fungi
Yeasts
title Segregation of yeast nuclear pores
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