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  • Artikel  (413)
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  • Artikel  (413)
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  • American Association for the Advancement of Science (AAAS)  (413)
  • American Meteorological Society
  • American Physical Society (APS)
  • De Gruyter
  • Wiley
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  • 2000-2004  (187)
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  • 1
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2001-02-24
    Beschreibung: Organisms allocate resources to male and female offspring in a process called sex allocation. In a Perspective, Stuart West and colleagues discuss what sex allocation tells us about evolution by natural selection and how sex allocation can be applied to understanding the mating structure of parasitic protozoans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉West, S A -- Herre, E A -- Sheldon, B C -- New York, N.Y. -- Science. 2000 Oct 13;290(5490):288-90.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Cell, Animal and Population Biology, University of Edinburgh, Edinburgh EH9 3JT, UK. stu.west@ed.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11183376" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adaptation, Physiological ; Animals ; *Biological Evolution ; Female ; Inbreeding ; Insects/physiology ; Male ; Plasmodium/physiology ; Selection, Genetic ; *Sex Characteristics ; *Sex Ratio ; Sexual Behavior, Animal
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2001-02-24
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Balter, M -- New York, N.Y. -- Science. 2000 Oct 6;290(5489):39.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11183145" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Abortifacient Agents, Steroidal/*history ; Aging/drug effects ; Dehydroepiandrosterone/history/pharmacology ; *Drug Approval ; Drug Industry ; Female ; France ; History, 20th Century ; Humans ; Mifepristone/*history ; United States ; United States Food and Drug Administration
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2001-05-02
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Parens, E -- Juengst, E -- New York, N.Y. -- Science. 2001 Apr 20;292(5516):397.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11330273" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Bioethics ; Cytoplasm/*transplantation ; *DNA, Mitochondrial ; Female ; Financing, Government ; *Gene Transfer, Horizontal ; Genetic Research ; Guidelines as Topic ; Humans ; *Ovum ; Public Policy ; *Reproductive Techniques ; Research Support as Topic ; United States
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    Publikationsdatum: 2001-09-22
    Beschreibung: Comprehensive genomic analysis of the important human pathogen Staphylococcus aureus was achieved by a strategy involving antisense technology in a regulatable gene expression system. In addition to known essential genes, many genes of unknown or poorly defined biological function were identified. This methodology allowed gene function to be characterized in a comprehensive, defined set of conditionally growth-defective/lethal isogenic strains. Quantitative titration of the conditional growth effect was performed either in bacterial culture or in an animal model of infection. This genomic strategy offers an approach to the identification of staphylococcal gene products that could serve as targets for antibiotic discovery.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ji, Y -- Zhang, B -- Van, S F -- Horn -- Warren, P -- Woodnutt, G -- Burnham, M K -- Rosenberg, M -- New York, N.Y. -- Science. 2001 Sep 21;293(5538):2266-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology, Genetics Research, GlaxoSmithKline Pharmaceuticals Research and Development, Collegeville, PA 19426, USA. yinduo_ji-1@gsk.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11567142" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Cloning, Molecular ; Female ; *Gene Expression Regulation, Bacterial ; *Genes, Bacterial ; *Genes, Essential ; Genetic Vectors ; Mice ; Open Reading Frames ; Phenotype ; Pyelonephritis/microbiology ; *RNA, Antisense ; Staphylococcal Infections/microbiology ; Staphylococcus aureus/*genetics/growth & development/pathogenicity ; Transformation, Bacterial ; Virulence/genetics
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2001-08-25
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ladika, S -- New York, N.Y. -- Science. 2001 Aug 24;293(5534):1422-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11520964" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Bosnia and Herzegovina ; Cell Nucleus/genetics ; *DNA Fingerprinting ; DNA, Mitochondrial/genetics ; Family ; Female ; *Forensic Medicine ; Humans ; Male ; Sequence Analysis, DNA ; Warfare
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
    Publikationsdatum: 2001-04-18
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jha, P -- Nagelkerke, J D -- Ngugi, E N -- Prasada Rao, J V -- Willbond, B -- Moses, S -- Plummer, F A -- New York, N.Y. -- Science. 2001 Apr 13;292(5515):224-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Economics Advisory Service, World Health Organization, Geneva, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11305312" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Anti-HIV Agents/therapeutic use ; Condoms ; Cost-Benefit Analysis ; Counseling ; *Developing Countries ; Disease Outbreaks/prevention & control ; Female ; Financial Support ; HIV Infections/epidemiology/*prevention & control/*transmission ; Health Education ; Humans ; Infectious Disease Transmission, Vertical/prevention & control ; Male ; Population Surveillance ; Prostitution ; Risk Factors ; Sexual Behavior ; Sexually Transmitted Diseases/drug therapy/prevention & control ; United Nations/economics
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2001-05-12
    Beschreibung: Telomere proteins from ciliated protozoa bind to the single-stranded G-rich DNA extensions at the ends of macronuclear chromosomes. We have now identified homologous proteins in fission yeast and in humans. These Pot1 (protection of telomeres) proteins each bind the G-rich strand of their own telomeric repeat sequence, consistent with a direct role in protecting chromosome ends. Deletion of the fission yeast pot1+ gene has an immediate effect on chromosome stability, causing rapid loss of telomeric DNA and chromosome circularization. It now appears that the protein that caps the ends of chromosomes is widely dispersed throughout the eukaryotic kingdom.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Baumann, P -- Cech, T R -- New York, N.Y. -- Science. 2001 May 11;292(5519):1171-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Chemistry and Biochemistry, University of Colorado, Boulder, CO 80309, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11349150" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; Base Sequence ; Binding Sites ; Chromosome Segregation/genetics ; Chromosomes, Fungal/genetics/metabolism ; Cloning, Molecular ; DNA/genetics/metabolism ; DNA-Binding Proteins/chemistry/genetics/*metabolism ; Electrophoresis, Gel, Pulsed-Field ; Female ; Gene Deletion ; Gene Expression Profiling ; Heterozygote ; Humans ; Molecular Sequence Data ; Ovary/metabolism ; Phenotype ; RNA, Messenger/analysis/genetics ; Schizosaccharomyces/*genetics ; Schizosaccharomyces pombe Proteins ; Sequence Alignment ; Substrate Specificity ; Telomere/genetics/*metabolism ; *Telomere-Binding Proteins
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2001-07-10
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jones, T T -- New York, N.Y. -- Science. 2001 Jun 29;292(5526):2431-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11441877" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Acquired Immunodeficiency Syndrome/*drug therapy/prevention & ; control/transmission ; Anti-HIV Agents/*therapeutic use ; Drug Industry ; Female ; Health Policy ; Health Services Accessibility ; Humans ; Infant, Newborn ; Infectious Disease Transmission, Vertical/prevention & control ; Nevirapine/therapeutic use ; Pregnancy ; Pregnancy Complications, Infectious/drug therapy ; South Africa
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 9
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2001-04-17
    Beschreibung: Examples of multiplication by neurons or neural circuits are scarce, although many computational models use this basic operation. The owl's auditory system computes interaural time (ITD) and level (ILD) differences to create a two-dimensional map of auditory space. Space-specific neurons are selective for combinations of ITD and ILD, which define, respectively, the horizontal and vertical dimensions of their receptive fields. A multiplication of separate postsynaptic potentials tuned to ITD and ILD, rather than an addition, can account for the subthreshold responses of these neurons to ITD-ILD pairs. Other nonlinear processes improve the spatial tuning of the spike output and reduce the fit to the multiplicative model.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pena, J L -- Konishi, M -- DC00134/DC/NIDCD NIH HHS/ -- New York, N.Y. -- Science. 2001 Apr 13;292(5515):249-52.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biology 216-76, California Institute of Technology, Pasadena, CA 91125, USA. jose@etho.caltech.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11303092" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Acoustic Stimulation ; Action Potentials ; Animals ; Auditory Pathways ; Auditory Perception/*physiology ; Female ; Inferior Colliculi/cytology/*physiology ; Male ; Mathematics ; Membrane Potentials ; Neurons/*physiology ; Sound Localization/*physiology ; Strigiformes/*physiology ; *Synaptic Transmission
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 10
    Publikationsdatum: 2001-10-06
    Beschreibung: Comparison of genomic DNA sequences from human and mouse revealed a new apolipoprotein (APO) gene (APOAV) located proximal to the well-characterized APOAI/CIII/AIV gene cluster on human 11q23. Mice expressing a human APOAV transgene showed a decrease in plasma triglyceride concentrations to one-third of those in control mice; conversely, knockout mice lacking Apoav had four times as much plasma triglycerides as controls. In humans, single nucleotide polymorphisms (SNPs) across the APOAV locus were found to be significantly associated with plasma triglyceride levels in two independent studies. These findings indicate that APOAV is an important determinant of plasma triglyceride levels, a major risk factor for coronary artery disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennacchio, L A -- Olivier, M -- Hubacek, J A -- Cohen, J C -- Cox, D R -- Fruchart, J C -- Krauss, R M -- Rubin, E M -- HL-18574/HL/NHLBI NIH HHS/ -- HL-53917/HL/NHLBI NIH HHS/ -- HL66681/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2001 Oct 5;294(5540):169-73.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Genome Sciences Department, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11588264" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Alleles ; Animals ; Apolipoprotein C-III ; Apolipoproteins/*genetics/*physiology ; Apolipoproteins A ; Apolipoproteins C/blood ; Chromosomes, Human, Pair 11 ; Cohort Studies ; Computational Biology ; Coronary Disease/etiology/genetics ; Expressed Sequence Tags ; Female ; Haplotypes ; Humans ; Linkage Disequilibrium ; Lipoproteins, VLDL/blood ; Male ; Mice ; Mice, Knockout ; Mice, Transgenic ; Multigene Family ; Open Reading Frames ; Polymorphism, Single Nucleotide ; Risk Factors ; Sequence Analysis, DNA ; Transgenes ; Triglycerides/*blood
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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