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  • Male  (85)
  • Base Sequence
  • American Association for the Advancement of Science (AAAS)  (121)
  • Cambridge University Press
  • Public Library of Science
  • Springer
  • 1995-1999  (121)
  • 1970-1974
  • 1997  (121)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (121)
  • Cambridge University Press
  • Public Library of Science
  • Springer
Years
  • 1995-1999  (121)
  • 1970-1974
Year
  • 1
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    Initial genetic characterization of the 1918 "Spanish" influenza virus (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-03-21
    Description: The "Spanish" influenza pandemic killed at least 20 million people in 1918-1919, making it the worst infectious pandemic in history. Understanding the origins of the 1918 virus and the basis for its exceptional virulence may aid in the prediction of future influenza pandemics. RNA from a victim of the 1918 pandemic was isolated from a formalin-fixed, paraffin-embedded, lung tissue sample. Nine fragments of viral RNA were sequenced from the coding regions of hemagglutinin, neuraminidase, nucleoprotein, matrix protein 1, and matrix protein 2. The sequences are consistent with a novel H1N1 influenza A virus that belongs to the subgroup of strains that infect humans and swine, not the avian subgroup.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Taubenberger, J K -- Reid, A H -- Krafft, A E -- Bijwaard, K E -- Fanning, T G -- New York, N.Y. -- Science. 1997 Mar 21;275(5307):1793-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Molecular Pathology, Department of Cellular Pathology, Armed Forces Institute of Pathology, Washington DC 20306-6000, USA. taubenbe@email.afip.osd.mil〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9065404" target="_blank"〉PubMed〈/a〉
    Keywords: Algorithms ; Base Sequence ; *Genes, Viral ; Hemagglutinin Glycoproteins, Influenza Virus/genetics ; History, 20th Century ; Humans ; Influenza A virus/classification/*genetics/pathogenicity ; Influenza, Human/history/*virology ; Lung/virology ; Molecular Sequence Data ; Neuraminidase/genetics ; Nucleoproteins/genetics ; Phylogeny ; Polymerase Chain Reaction ; RNA, Viral/*genetics ; *RNA-Binding Proteins ; Viral Core Proteins/genetics ; Viral Matrix Proteins/genetics ; Virulence
    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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    Discrete determinants in transfer RNA for editing and aminoacylation (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-05-23
    Description: During translation errors of aminoacylation are corrected in editing reactions which ensure that an amino acid is stably attached to its corresponding transfer RNA (tRNA). Previous studies have not shown whether the tRNA nucleotides needed for effecting translational editing are the same as or distinct from those required for aminoacylation, but several considerations have suggested that they are the same. Here, designed tRNAs that are highly active for aminoacylation but are not active in translational editing are presented. The editing reaction can be controlled by manipulation of nucleotides at the corner of the L-shaped tRNA. In contrast, these manipulations do not affect aminoacylation. These results demonstrate the segregation of nucleotide determinants for the editing and aminoacylation functions of tRNA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hale, S P -- Auld, D S -- Schmidt, E -- Schimmel, P -- GM15539/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1997 May 23;276(5316):1250-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9157882" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylation ; Base Sequence ; Binding Sites ; Cloning, Molecular ; Escherichia coli ; Molecular Sequence Data ; Nucleic Acid Conformation ; *RNA Editing ; RNA, Transfer/*metabolism ; RNA, Transfer, Ile/chemistry/metabolism ; RNA, Transfer, Val/chemistry/metabolism
    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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  • 3
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    Genetic testing for cancer risk (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-11-14
    Description: Genetic testing for cancer susceptibility is already part of the clinical management of families with some of the well-defined (but uncommon) inherited cancer syndromes. In cases where the risks associated with a predisposing mutation are less certain, or where there is no clearly effective intervention to offer those with a positive result, its use is more controversial. Careful evaluation of costs and benefits, and of the efficacy of interventions in those found to be at risk, is essential and is only just beginning. An immediate challenge is to ensure that both health professionals and the public understand clearly the issues involved.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ponder, B -- New York, N.Y. -- Science. 1997 Nov 7;278(5340):1050-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Oncology, University of Cambridge, Addenbrooke's Hospital, Box 238, Level 3 Lab Block, Hills Road, Cambridge CB2 2QQ, UK. bajp@mole.bio.cam.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9353178" target="_blank"〉PubMed〈/a〉
    Keywords: Confidentiality ; Cost-Benefit Analysis ; Female ; Genetic Counseling ; Genetic Predisposition to Disease ; Genetic Services ; *Genetic Testing ; Genetic Variation ; Humans ; Insurance, Health ; Insurance, Life ; Male ; Mutation ; Neoplasms/*diagnosis/*genetics ; Resource Allocation ; Risk Assessment ; Risk Factors ; Uncertainty
    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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  • 4
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    Sexual selection in Asian elephants (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-12-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tiedemann, R -- New York, N.Y. -- Science. 1997 Nov 28;278(5343):1550-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9411772" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Elephants/*anatomy & histology/*physiology ; Female ; Incisor/anatomy & histology ; India ; Male ; Models, Biological ; Models, Statistical ; *Sexual Behavior, Animal ; Sri Lanka
    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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    Human genome agreements (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-01-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lorimer, B G -- New York, N.Y. -- Science. 1997 Jan 31;275(5300):601-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9019811" target="_blank"〉PubMed〈/a〉
    Keywords: Academies and Institutes ; Base Sequence ; DNA, Complementary/*genetics ; Databases, Factual ; *Genome, Human ; Humans ; Intellectual Property ; Publishing ; Research Support as Topic ; Sequence Analysis, DNA ; United States
    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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  • 6
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    Pain affect encoded in human anterior cingulate but not somatosensory cortex (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-08-15
    Description: Recent evidence demonstrating multiple regions of human cerebral cortex activated by pain has prompted speculation about their individual contributions to this complex experience. To differentiate cortical areas involved in pain affect, hypnotic suggestions were used to alter selectively the unpleasantness of noxious stimuli, without changing the perceived intensity. Positron emission tomography revealed significant changes in pain-evoked activity within anterior cingulate cortex, consistent with the encoding of perceived unpleasantness, whereas primary somatosensory cortex activation was unaltered. These findings provide direct experimental evidence in humans linking frontal-lobe limbic activity with pain affect, as originally suggested by early clinical lesion studies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rainville, P -- Duncan, G H -- Price, D D -- Carrier, B -- Bushnell, M C -- New York, N.Y. -- Science. 1997 Aug 15;277(5328):968-71.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉D-epartement de Psychologie and Centre de Recherche en Sciences Neurologiques, Universite de Montreal, Montreal, Quebec, Canada H3C 3J7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9252330" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Affect/*physiology ; *Brain Mapping ; Female ; Frontal Lobe/blood supply/*physiology/radionuclide imaging ; Gyrus Cinguli/blood supply/*physiology/radionuclide imaging ; Humans ; Hypnosis ; Male ; Middle Aged ; Pain/*physiopathology/*psychology ; Pain Measurement ; Regional Blood Flow ; Regression Analysis ; Somatosensory Cortex/blood supply/*physiology/radionuclide imaging ; Thermosensing ; Tomography, Emission-Computed
    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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  • 7
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    A mouse model with features of familial combined hyperlipidemia (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-01-17
    Description: Familial combined hyperlipidemia (FCHL) is a common inherited lipid disorder, affecting 1 to 2 percent of the population in Westernized societies. Individuals with FCHL have large quantities of very low density lipoprotein (VLDL) and low density lipoprotein (LDL) and develop premature coronary heart disease. A mouse model displaying some of the features of FCHL was created by crossing mice carrying the human apolipoprotein C-III (APOC3) transgene with mice deficient in the LDL receptor. A synergistic interaction between the apolipoprotein C-III and the LDL receptor defects produced large quantities of VLDL and LDL and enhanced the development of atherosclerosis. This mouse model may provide clues to the origin of human FCHL.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Masucci-Magoulas, L -- Goldberg, I J -- Bisgaier, C L -- Serajuddin, H -- Francone, O L -- Breslow, J L -- Tall, A R -- HL 21006/HL/NHLBI NIH HHS/ -- HL 54591/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1997 Jan 17;275(5298):391-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Columbia University, 630 West 168 Street, New York, NY 10032, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8994037" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Apolipoprotein C-III ; Apolipoproteins B/blood ; Apolipoproteins C/*genetics ; Apolipoproteins E/blood ; Arteriosclerosis/etiology ; Carrier Proteins/genetics ; Cholesterol/blood ; Cholesterol Ester Transfer Proteins ; Cholesterol, HDL/blood ; Cholesterol, LDL/blood ; Cholesterol, VLDL/blood ; Diet ; *Disease Models, Animal ; Disease Susceptibility ; Female ; *Glycoproteins ; Humans ; *Hyperlipidemia, Familial Combined/blood/genetics ; Hyperlipoproteinemia Type IV/genetics ; Lipoproteins/blood ; Lipoproteins, VLDL/blood ; Male ; Mice ; Mice, Inbred C57BL ; *Mice, Transgenic ; Receptors, LDL/*genetics/metabolism ; Transgenes ; Triglycerides/blood
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
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  • 8
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    Hypermethylated SUPERMAN epigenetic alleles in arabidopsis (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-08-22
    Description: Mutations in the SUPERMAN gene affect flower development in Arabidopsis. Seven heritable but unstable sup epi-alleles (the clark kent alleles) are associated with nearly identical patterns of excess cytosine methylation within the SUP gene and a decreased level of SUP RNA. Revertants of these alleles are largely demethylated at the SUP locus and have restored levels of SUP RNA. A transgenic Arabidopsis line carrying an antisense methyltransferase gene, which shows an overall decrease in genomic cytosine methylation, also contains a hypermethylated sup allele. Thus, disruption of methylation systems may yield more complex outcomes than expected and can result in methylation defects at known genes. The clark kent alleles differ from the antisense line because they do not show a general decrease in genomic methylation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jacobsen, S E -- Meyerowitz, E M -- New York, N.Y. -- Science. 1997 Aug 22;277(5329):1100-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biology 156-29, California Institute of Technology, Pasadena, CA 91125, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9262479" target="_blank"〉PubMed〈/a〉
    Keywords: *Alleles ; Arabidopsis/*genetics/growth & development/metabolism ; *Arabidopsis Proteins ; Base Sequence ; Crosses, Genetic ; Cytosine/metabolism ; DNA (Cytosine-5-)-Methyltransferase/genetics ; *DNA Methylation ; DNA, Antisense ; DNA, Plant/metabolism ; Gene Expression Regulation, Plant ; *Genes, Plant ; Genetic Complementation Test ; Molecular Sequence Data ; Mutation ; Phenotype ; Plants, Genetically Modified ; RNA, Messenger/metabolism ; RNA, Plant/metabolism ; Transcription Factors/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
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  • 9
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    A mRNA signal for the type III secretion of Yop proteins by Yersinia enterocolitica (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-11-14
    Description: Pathogenic Yersinia species have a specialized secretion system (type III) to target cytotoxic Yop proteins during infection. The signals of YopE and YopN sufficient for the secretion of translational reporter fusions were mapped to the first 15 codons. No common amino acid or peptide sequence could be identified among the secretion signals. Systematic mutagenesis of the secretion signal yielded mutants defective in Yop translation; however, no point mutants could be identified that specifically abolished secretion. Frameshift mutations that completely altered the peptide sequences of these signals also failed to prevent secretion. Thus, the signal that leads to the type III secretion of Yop proteins appears to be encoded in their messenger RNA rather than the peptide sequence.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Anderson, D M -- Schneewind, O -- AI 07323/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1997 Nov 7;278(5340):1140-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, Molecular Biology Institute, University of California, Los Angeles, School of Medicine, 10833 Le Conte Avenue, Los Angeles, CA 90095, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9353199" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Bacterial Outer Membrane Proteins/chemistry/genetics/*secretion ; Bacterial Proteins/chemistry/genetics/*secretion ; Base Sequence ; Codon ; Frameshift Mutation ; *Membrane Proteins ; Molecular Sequence Data ; Mutation ; Nucleic Acid Conformation ; Point Mutation ; Protein Biosynthesis ; RNA, Bacterial/chemistry/*genetics/metabolism ; RNA, Messenger/chemistry/*genetics/metabolism ; Recombinant Fusion Proteins/biosynthesis/secretion ; Yersinia enterocolitica/*metabolism/pathogenicity
    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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  • 10
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    Phylogenetic methods come of age: testing hypotheses in an evolutionary context (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-04-11
    Description: The use of molecular phylogenies to examine evolutionary questions has become commonplace with the automation of DNA sequencing and the availability of efficient computer programs to perform phylogenetic analyses. The application of computer simulation and likelihood ratio tests to evolutionary hypotheses represents a recent methodological development in this field. Likelihood ratio tests have enabled biologists to address many questions in evolutionary biology that have been difficult to resolve in the past, such as whether host-parasite systems are cospeciating and whether models of DNA substitution adequately explain observed sequences.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huelsenbeck, J P -- Rannala, B -- GM40282/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1997 Apr 11;276(5310):227-32.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Integrative Biology, University of California, Berkeley, CA 94720, USA. john@mws4.biol.berkeley.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9092465" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; *Biological Evolution ; Computer Simulation ; *DNA/genetics ; Electron Transport Complex IV/genetics ; *Evolution, Molecular ; Hantavirus/genetics ; Likelihood Functions ; Mutation ; Phthiraptera/genetics ; *Phylogeny ; RNA, Viral/genetics ; Rodentia/genetics
    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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