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  • Humans  (5)
  • Nuclear Structure
  • American Association for the Advancement of Science (AAAS)  (5)
  • 2010-2014  (3)
  • 2000-2004  (1)
  • 1980-1984  (1)
  • 1965-1969
  • 1940-1944
  • 1930-1934
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  • 1
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    The C-terminal domain of RNA polymerase II is modified by site-specific methylation (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-04-02
    Description: The carboxy-terminal domain (CTD) of RNA polymerase II (RNAPII) in mammals undergoes extensive posttranslational modification, which is essential for transcriptional initiation and elongation. Here, we show that the CTD of RNAPII is methylated at a single arginine (R1810) by the coactivator-associated arginine methyltransferase 1 (CARM1). Although methylation at R1810 is present on the hyperphosphorylated form of RNAPII in vivo, Ser2 or Ser5 phosphorylation inhibits CARM1 activity toward this site in vitro, suggesting that methylation occurs before transcription initiation. Mutation of R1810 results in the misexpression of a variety of small nuclear RNAs and small nucleolar RNAs, an effect that is also observed in Carm1(-/-) mouse embryo fibroblasts. These results demonstrate that CTD methylation facilitates the expression of select RNAs, perhaps serving to discriminate the RNAPII-associated machinery recruited to distinct gene types.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3773223/" 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/PMC3773223/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sims, Robert J 3rd -- Rojas, Luis Alejandro -- Beck, David -- Bonasio, Roberto -- Schuller, Roland -- Drury, William J 3rd -- Eick, Dirk -- Reinberg, Danny -- F32 GM071166/GM/NIGMS NIH HHS/ -- GM-37120/GM/NIGMS NIH HHS/ -- GM-71166/GM/NIGMS NIH HHS/ -- R01 GM037120/GM/NIGMS NIH HHS/ -- R37 GM037120/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2011 Apr 1;332(6025):99-103. doi: 10.1126/science.1202663.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute (HHMI), Department of Biochemistry, New York University School of Medicine, 522 First Avenue, Smilow 211, New York, NY 10016, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21454787" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arginine/metabolism ; Cell Line ; HeLa Cells ; Humans ; Methylation ; Mice ; Mutation ; Protein Interaction Domains and Motifs ; Protein Structure, Tertiary ; Protein-Arginine N-Methyltransferases/metabolism ; RNA Polymerase II/genetics/*metabolism ; RNA, Small Nuclear/metabolism ; RNA, Small Nucleolar/metabolism ; Recombinant Proteins
    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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    Structural probing of a protein phosphatase 2A network by chemical cross-linking and mass spectrometry (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-09-18
    Description: The identification of proximate amino acids by chemical cross-linking and mass spectrometry (XL-MS) facilitates the structural analysis of homogeneous protein complexes. We gained distance restraints on a modular interaction network of protein complexes affinity-purified from human cells by applying an adapted XL-MS protocol. Systematic analysis of human protein phosphatase 2A (PP2A) complexes identified 176 interprotein and 570 intraprotein cross-links that link specific trimeric PP2A complexes to a multitude of adaptor proteins that control their cellular functions. Spatial restraints guided molecular modeling of the binding interface between immunoglobulin binding protein 1 (IGBP1) and PP2A and revealed the topology of TCP1 ring complex (TRiC) chaperonin interacting with the PP2A regulatory subunit 2ABG. This study establishes XL-MS as an integral part of hybrid structural biology approaches for the analysis of endogenous protein complexes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Herzog, Franz -- Kahraman, Abdullah -- Boehringer, Daniel -- Mak, Raymond -- Bracher, Andreas -- Walzthoeni, Thomas -- Leitner, Alexander -- Beck, Martin -- Hartl, Franz-Ulrich -- Ban, Nenad -- Malmstrom, Lars -- Aebersold, Ruedi -- New York, N.Y. -- Science. 2012 Sep 14;337(6100):1348-52. doi: 10.1126/science.1221483.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Institute of Molecular Systems Biology, Eidgenossische Technische Hochschule Zurich, Wolfgang-Pauli Strasse 16, 8093 Zurich, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22984071" target="_blank"〉PubMed〈/a〉
    Keywords: Chaperonins/chemistry ; Cross-Linking Reagents/chemistry ; Crystallography, X-Ray ; Humans ; Mass Spectrometry/*methods ; *Metabolic Networks and Pathways ; Protein Conformation ; Protein Interaction Mapping/*methods ; Protein Phosphatase 2/*chemistry
    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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    Balancing selection at the prion protein gene consistent with prehistoric kurulike epidemics (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-04-12
    Description: Kuru is an acquired prion disease largely restricted to the Fore linguistic group of the Papua New Guinea Highlands, which was transmitted during endocannibalistic feasts. Heterozygosity for a common polymorphism in the human prion protein gene (PRNP) confers relative resistance to prion diseases. Elderly survivors of the kuru epidemic, who had multiple exposures at mortuary feasts, are, in marked contrast to younger unexposed Fore, predominantly PRNP 129 heterozygotes. Kuru imposed strong balancing selection on the Fore, essentially eliminating PRNP 129 homozygotes. Worldwide PRNP haplotype diversity and coding allele frequencies suggest that strong balancing selection at this locus occurred during the evolution of modern humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mead, Simon -- Stumpf, Michael P H -- Whitfield, Jerome -- Beck, Jonathan A -- Poulter, Mark -- Campbell, Tracy -- Uphill, James B -- Goldstein, David -- Alpers, Michael -- Fisher, Elizabeth M C -- Collinge, John -- New York, N.Y. -- Science. 2003 Apr 25;300(5619):640-3. Epub 2003 Apr 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Medical Research Council Prion Unit, and Department of Neurodegenerative Disease, Institute of Neurology, University College, Queen Square, London WC1N 3BG, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12690204" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animals ; Cannibalism ; Child ; Codon ; Creutzfeldt-Jakob Syndrome/genetics ; Disease Outbreaks/*history ; Ethnic Groups/*genetics ; Female ; Gene Frequency ; Haplotypes ; Heterozygote ; History, 19th Century ; History, 20th Century ; History, Ancient ; Homozygote ; Humans ; Immunity, Innate ; Kuru/epidemiology/genetics/*history/transmission ; Linkage Disequilibrium ; Male ; Methionine/genetics ; Middle Aged ; Mutation ; Papua New Guinea/epidemiology ; *Polymorphism, Genetic ; PrPC Proteins/*genetics ; *Selection, Genetic ; Valine/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)
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  • 4
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    Spiroindolones, a potent compound class for the treatment of malaria (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2010-09-04
    Description: Recent reports of increased tolerance to artemisinin derivatives--the most recently adopted class of antimalarials--have prompted a need for new treatments. The spirotetrahydro-beta-carbolines, or spiroindolones, are potent drugs that kill the blood stages of Plasmodium falciparum and Plasmodium vivax clinical isolates at low nanomolar concentration. Spiroindolones rapidly inhibit protein synthesis in P. falciparum, an effect that is ablated in parasites bearing nonsynonymous mutations in the gene encoding the P-type cation-transporter ATPase4 (PfATP4). The optimized spiroindolone NITD609 shows pharmacokinetic properties compatible with once-daily oral dosing and has single-dose efficacy in a rodent malaria model.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3050001/" 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/PMC3050001/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rottmann, Matthias -- McNamara, Case -- Yeung, Bryan K S -- Lee, Marcus C S -- Zou, Bin -- Russell, Bruce -- Seitz, Patrick -- Plouffe, David M -- Dharia, Neekesh V -- Tan, Jocelyn -- Cohen, Steven B -- Spencer, Kathryn R -- Gonzalez-Paez, Gonzalo E -- Lakshminarayana, Suresh B -- Goh, Anne -- Suwanarusk, Rossarin -- Jegla, Timothy -- Schmitt, Esther K -- Beck, Hans-Peter -- Brun, Reto -- Nosten, Francois -- Renia, Laurent -- Dartois, Veronique -- Keller, Thomas H -- Fidock, David A -- Winzeler, Elizabeth A -- Diagana, Thierry T -- R01 AI059472/AI/NIAID NIH HHS/ -- R01 AI059472-04/AI/NIAID NIH HHS/ -- R01 AI059472-05/AI/NIAID NIH HHS/ -- R01AI059472/AI/NIAID NIH HHS/ -- WT078285/Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2010 Sep 3;329(5996):1175-80. doi: 10.1126/science.1193225.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Swiss Tropical and Public Health Institute, Parasite Chemotherapy, CH-4002 Basel, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20813948" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphatases/antagonists & inhibitors/chemistry/genetics/metabolism ; Animals ; Antimalarials/administration & dosage/chemistry/pharmacokinetics/*pharmacology ; Cell Line ; Drug Discovery ; Drug Resistance ; Erythrocytes/parasitology ; Female ; Genes, Protozoan ; Humans ; Indoles/administration & dosage/chemistry/pharmacokinetics/*pharmacology ; Malaria/*drug therapy/parasitology ; Male ; Mice ; Models, Molecular ; Mutant Proteins/antagonists & inhibitors/chemistry/metabolism ; Mutation ; Parasitic Sensitivity Tests ; Plasmodium berghei/*drug effects ; Plasmodium falciparum/*drug effects/genetics/growth & development ; Plasmodium vivax/*drug effects/growth & development ; Protein Synthesis Inhibitors/administration & ; dosage/chemistry/pharmacokinetics/pharmacology ; Protozoan Proteins/biosynthesis/chemistry/genetics/metabolism ; Rats ; Rats, Wistar ; Spiro Compounds/administration & dosage/chemistry/pharmacokinetics/*pharmacology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    Radiation exposures in Utah from Nevada Nuclear Tests (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-04-01
    Description: The exposure of the population of Utah to external gamma-radiation from the fallout from nuclear weapons tests carried out between 1951 and 1958 at the Nevada Test Site has been reconstructed from recent measurements of residual cesium-137 and plutonium in soil. Although the highest exposures were found in the extreme southwest part of Utah, as expected, the residents of the populous northern valleys around Provo, Salt Lake City, and Ogden received a higher mean dose and a significantly greater population dose (person-rads) than did the residents of most counties closer to the test site. However, population doses from external exposure throughout Utah were far too low to result in any statistically observable health effects.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Beck, H L -- Krey, P W -- New York, N.Y. -- Science. 1983 Apr 1;220(4592):18-24.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6828876" target="_blank"〉PubMed〈/a〉
    Keywords: *Environmental Exposure ; Gamma Rays ; Humans ; Leukemia/etiology ; Nevada ; *Nuclear Warfare ; *Radiation ; Radiation Dosage ; Utah
    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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