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  • *Gene Expression Regulation  (2)
  • *Chromosomes, Human/chemistry/ultrastructure  (1)
  • 1
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    Gene order and dynamic domains (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-10-23
    Description: When considering the daunting complexity of eukaryotic genomes, some comfort can be found in the fact that the human genome may contain only 30,000 to 40,000 genes. Moreover, growing evidence suggests that genomes may be organized in such a way as to take advantage of space. A gene's location in the linear DNA sequence and its position in the three-dimensional nucleus can both be important in its regulation. Contrary to prevailing notions in this postgenomic era, the bacteriophage lambda, a paragon of simplicity, may still have a few things to teach us with respect to these facets of nonrandom genomes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kosak, Steven T -- Groudine, Mark -- New York, N.Y. -- Science. 2004 Oct 22;306(5696):644-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Basic Sciences, Fred Hutchinson Cancer Research Center, 1100 Fairview Avenue North, Seattle, WA 98109, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15499009" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacteriophage lambda/genetics ; Cell Cycle ; Cell Nucleus/physiology ; Chromosomes/genetics/physiology ; Chromosomes, Human/genetics/physiology ; *Gene Expression Regulation ; Gene Expression Regulation, Viral ; *Gene Order ; *Genome ; Genome, Human ; Genome, Viral ; Humans ; Multigene Family ; Transcription Factors/metabolism ; Transcription, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Comprehensive mapping of long-range interactions reveals folding principles of the human genome (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-10-10
    Description: We describe Hi-C, a method that probes the three-dimensional architecture of whole genomes by coupling proximity-based ligation with massively parallel sequencing. We constructed spatial proximity maps of the human genome with Hi-C at a resolution of 1 megabase. These maps confirm the presence of chromosome territories and the spatial proximity of small, gene-rich chromosomes. We identified an additional level of genome organization that is characterized by the spatial segregation of open and closed chromatin to form two genome-wide compartments. At the megabase scale, the chromatin conformation is consistent with a fractal globule, a knot-free, polymer conformation that enables maximally dense packing while preserving the ability to easily fold and unfold any genomic locus. The fractal globule is distinct from the more commonly used globular equilibrium model. Our results demonstrate the power of Hi-C to map the dynamic conformations of whole genomes.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2858594/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2858594/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lieberman-Aiden, Erez -- van Berkum, Nynke L -- Williams, Louise -- Imakaev, Maxim -- Ragoczy, Tobias -- Telling, Agnes -- Amit, Ido -- Lajoie, Bryan R -- Sabo, Peter J -- Dorschner, Michael O -- Sandstrom, Richard -- Bernstein, Bradley -- Bender, M A -- Groudine, Mark -- Gnirke, Andreas -- Stamatoyannopoulos, John -- Mirny, Leonid A -- Lander, Eric S -- Dekker, Job -- HG003143/HG/NHGRI NIH HHS/ -- R01 HG003143/HG/NHGRI NIH HHS/ -- R01 HG003143-06/HG/NHGRI NIH HHS/ -- R01HL06544/HL/NHLBI NIH HHS/ -- R37DK44746/DK/NIDDK NIH HHS/ -- T32 HG002295/HG/NHGRI NIH HHS/ -- U54HG004592/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2009 Oct 9;326(5950):289-93. doi: 10.1126/science.1181369.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Broad Institute of Harvard and Massachusetts Institute of Technology (MIT), MA 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19815776" target="_blank"〉PubMed〈/a〉
    Keywords: Biotin ; Cell Line, Transformed ; Cell Nucleus/*ultrastructure ; Chromatin/*chemistry ; Chromatin Immunoprecipitation ; *Chromosomes, Human/chemistry/ultrastructure ; Computational Biology ; DNA/*chemistry ; Gene Library ; *Genome, Human ; Humans ; In Situ Hybridization, Fluorescence ; Models, Molecular ; Monte Carlo Method ; Nucleic Acid Conformation ; Principal Component Analysis ; Protein Conformation ; Sequence Analysis, DNA
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    Chromatin structure and de novo methylation of sperm DNA: implications for activation of the paternal genome (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-31
    Description: The chromatin structure characteristic of constitutively expressed genes, tissue-specific genes, and inactive genes is absent in chicken sperm chromatin. However, point sites of undermethylation in sperm DNA within constitutively expressed genes, but not within globin genes or an inactive gene, correspond to the location of regions of altered chromatin structure (hypersensitive sites) in somatic tissue and spermatogonial cells. A de novo methylation process whereby regions within and flanking these genes become methylated, but which excludes the methylation of sequences within hypersensitive sites, occurs between the spermatogonial stage and the first meiotic prophase. These undermethylated regions may play a role in the activation of the paternal genome during embryogenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Groudine, M -- Conkin, K F -- F32CA07476/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1985 May 31;228(4703):1061-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2986289" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chick Embryo/*physiology ; Chickens/*genetics ; Chromatin/*ultrastructure ; DNA Restriction Enzymes ; DNA, Viral/genetics ; Deoxyribonuclease I ; Endonucleases ; *Gene Expression Regulation ; Globins/genetics ; Male ; *Methylation ; Single-Strand Specific DNA and RNA Endonucleases ; Spermatogenesis ; Spermatozoa/*physiology ; Thymidine Kinase/genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
    Location Call Number Expected Availability
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