Search Results - "Taddei, Angela"
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Structure and function in the budding yeast nucleus
Published in Genetics (Austin) (01-09-2012)“…Budding yeast, like other eukaryotes, carries its genetic information on chromosomes that are sequestered from other cellular constituents by a double…”
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Building silent compartments at the nuclear periphery: a recurrent theme
Published in Current opinion in genetics & development (01-04-2013)“…In eukaryotes, the genetic material is stored in the nucleus, which is enclosed in a double lipid bilayer, the nuclear envelope (NE). It protects the genome…”
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Single molecule microscopy reveals key physical features of repair foci in living cells
Published in eLife (05-02-2021)“…In response to double strand breaks (DSB), repair proteins accumulate at damaged sites, forming membrane-less sub-compartments or foci. Here we explored the…”
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Recombination at subtelomeres is regulated by physical distance, double‐strand break resection and chromatin status
Published in The EMBO journal (01-09-2017)“…Homologous recombination (HR) is a conserved mechanism that repairs broken chromosomes via intact homologous sequences. How different genomic, chromatin and…”
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Targeted INO80 enhances subnuclear chromatin movement and ectopic homologous recombination
Published in Genes & development (15-02-2012)“…Chromatin in the interphase nucleus moves in a constrained random walk. Despite extensive study, the molecular causes of such movement and its impact on…”
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Nuclear pore association confers optimal expression levels for an inducible yeast gene
Published in Nature (08-06-2006)“…The organization of the nucleus into subcompartments creates microenvironments that are thought to facilitate distinct nuclear functions. In budding yeast,…”
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Physical observables to determine the nature of membrane-less cellular sub-compartments
Published in eLife (22-10-2021)“…The spatial organization of complex biochemical reactions is essential for the regulation of cellular processes. Membrane-less structures called foci…”
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8
Spatial reorganization of telomeres in long-lived quiescent cells
Published in Genome Biology (23-09-2015)“…The spatiotemporal behavior of chromatin is an important control mechanism of genomic function. Studies in Saccharomyces cerevisiae have broadly contributed to…”
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9
The functional importance of telomere clustering: global changes in gene expression result from SIR factor dispersion
Published in Genome Research (01-04-2009)“…Budding yeast telomeres and cryptic mating-type loci are enriched at the nuclear envelope, forming foci that sequester silent information regulators (SIR…”
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10
Clustering heterochromatin: Sir3 promotes telomere clustering independently of silencing in yeast
Published in The Journal of cell biology (07-02-2011)“…A general feature of the nucleus is the organization of repetitive deoxyribonucleic acid sequences in clusters concentrating silencing factors. In budding…”
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11
Tight protein-DNA interactions favor gene silencing
Published in Genes & development (01-07-2011)“…The heterochromatin-like structure formed by the yeast silent information regulator complex (SIR) represses transcription at the silent mating type loci and…”
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12
An Inducible System for Silencing Establishment Reveals a Stepwise Mechanism in Which Anchoring at the Nuclear Periphery Precedes Heterochromatin Formation
Published in Cells (Basel, Switzerland) (20-10-2021)“…In eukaryotic cells, silent chromatin is mainly found at the nuclear periphery forming subnuclear compartments that favor silencing establishment. Here, we set…”
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Spatial telomere organization and clustering in yeast Saccharomyces cerevisiae nucleus is generated by a random dynamics of aggregation-dissociation
Published in Molecular biology of the cell (01-06-2013)“…Spatial and temporal behavior of chromosomes and their regulatory proteins is a key control mechanism in genomic function. This is exemplified by the…”
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14
Separation of silencing from perinuclear anchoring functions in yeast Ku80, Sir4 and Esc1 proteins
Published in The EMBO journal (24-03-2004)“…In budding yeast, the nuclear periphery forms a subcompartment in which telomeres cluster and SIR proteins concentrate. To identify the proteins that mediate…”
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15
Higher-order structure in pericentric heterochromatin involves a distinct pattern of histone modification and an RNA component
Published in Nature genetics (01-03-2002)“…Post-translational modification of histone tails is thought to modulate higher-order chromatin structure. Combinations of modifications including acetylation,…”
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16
The function of nuclear architecture: a genetic approach
Published in Annual review of genetics (01-01-2004)“…Eukaryotic genomes are distributed on linear chromosomes that are grouped together in the nucleus, an organelle separated from the cytoplasm by a…”
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Reversible disruption of pericentric heterochromatin and centromere function by inhibiting deacetylases
Published in Nature cell biology (01-02-2001)“…Histone modifications might act to mark and maintain functional chromatin domains during both interphase and mitosis. Here we show that pericentric…”
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18
Re-positioning genes to the nuclear envelope in mammalian cells: impact on transcription
Published in Trends in genetics (01-11-2008)“…The spatial organization of the genome within the nucleus is thought to contribute to genome functions. A key component of the nuclear architecture is the…”
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The effects of histone deacetylase inhibitors on heterochromatin: implications for anticancer therapy?
Published in EMBO reports (01-06-2005)“…Histone acetylation regulates many chromosome functions, such as gene expression and chromosome segregation. Histone deacetylase inhibitors (HDACIs) induce…”
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Actin-related protein Arp6 influences H2A.Z-dependent and -independent gene expression and links ribosomal protein genes to nuclear pores
Published in PLoS genetics (01-04-2010)“…Actin-related proteins are ubiquitous components of chromatin remodelers and are conserved from yeast to man. We have examined the role of the budding yeast…”
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