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  • American Association for the Advancement of Science (AAAS)  (92)
  • Oxford University Press  (43)
  • 1995-1999  (68)
  • 1990-1994  (67)
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  • 1
    Publication Date: 1994-04-29
    Description: In a search for genes that regulate circadian rhythms in mammals, the progeny of mice treated with N-ethyl-N-nitrosourea (ENU) were screened for circadian clock mutations. A semidominant mutation, Clock, that lengthens circadian period and abolishes persistence of rhythmicity was identified. Clock segregated as a single gene that mapped to the midportion of mouse chromosome 5, a region syntenic to human chromosome 4. The power of ENU mutagenesis combined with the ability to clone murine genes by map position provides a generally applicable approach to study complex behavior in mammals.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3839659/" 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/PMC3839659/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vitaterna, M H -- King, D P -- Chang, A M -- Kornhauser, J M -- Lowrey, P L -- McDonald, J D -- Dove, W F -- Pinto, L H -- Turek, F W -- Takahashi, J S -- P30-CA07175/CA/NCI NIH HHS/ -- R01-DK40493/DK/NIDDK NIH HHS/ -- T32 NS071040/NS/NINDS NIH HHS/ -- Howard Hughes Medical Institute/ -- etc. -- New York, N.Y. -- Science. 1994 Apr 29;264(5159):719-25.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurobiology and Physiology, Northwestern University, Evanston, IL 60208.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8171325" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Chromosome Mapping ; Chromosomes, Human, Pair 4 ; Circadian Rhythm/*genetics ; Ethylnitrosourea ; Female ; *Genes ; Genotype ; Humans ; Male ; Mice ; Mice, Inbred C57BL ; *Mutagenesis ; Phenotype
    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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  • 2
    Publication Date: 1999-01-15
    Description: Phosphoinositide 3-kinase (PI3K) activation has been implicated in many cellular responses, including fibroblast growth, transformation, survival, and chemotaxis. Although PI3K is activated by several agents that stimulate T and B cells, the role of PI3K in lymphocyte function is not clear. The mouse gene encoding the PI3K adapter subunit p85alpha and its splice variants p55alpha and p50alpha was disrupted. Most p85alpha-p55alpha-p50alpha-/- mice die within days after birth. Lymphocyte development and function was studied with the use of the RAG2-deficient blastocyst complementation system. Chimeric mice had reduced numbers of peripheral mature B cells and decreased serum immunoglobulin. The B cells that developed had diminished proliferative responses to antibody to immunoglobulin M, antibody to CD40, and lipopolysaccharide stimulation and decreased survival after incubation with interleukin-4. In contrast, T cell development and proliferation was normal. This phenotype is similar to defects observed in mice lacking the tyrosine kinase Btk.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fruman, D A -- Snapper, S B -- Yballe, C M -- Davidson, L -- Yu, J Y -- Alt, F W -- Cantley, L C -- R01 GM041890/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1999 Jan 15;283(5400):393-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Signal Transduction, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA. dfruman@bidmc.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9888855" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, CD45/analysis ; Apoptosis ; B-Lymphocytes/cytology/enzymology/*immunology ; Catalytic Domain ; Cell Cycle ; Chimera ; Chromones/pharmacology ; Enzyme Inhibitors/pharmacology ; Female ; Gene Targeting ; Immunoglobulins/*blood ; *Lymphocyte Activation ; Lymphocyte Count ; Male ; Mice ; Mice, Inbred C57BL ; Morpholines/pharmacology ; Phosphatidylinositol 3-Kinases/antagonists & inhibitors/genetics/*metabolism ; Protein-Tyrosine Kinases/genetics/metabolism ; Spleen/immunology ; T-Lymphocytes/cytology/enzymology/immunology
    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
    Publication Date: 1999-01-29
    Description: The subcrustal lithosphere underlying the southern Archean Churchill Province (ACP) in western Canada is at least one order of magnitude more electrically conductive than the lithosphere beneath adjacent Paleoproterozoic crust. The measured electrical properties of the lithosphere underlying most of the Paleoproterozoic crust can be explained by the conductivity of olivine. Mantle xenolith and geological mapping evidence indicate that the lithosphere beneath the southern ACP was substantially modified as a result of being trapped between two nearly synchronous Paleoproterozoic subduction zones. Tectonically induced metasomatism thus may have enhanced the subcrustal lithosphere conductivity of the southern ACP.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Boerner -- Kurtz -- Craven -- Ross -- Jones -- Davis -- New York, N.Y. -- Science. 1999 Jan 29;283(5402):668-70.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉D. E. Boerner and J. A. Craven, Geological Survey of Canada, 615 Booth Street, Ottawa, Ontario K1A OE9, Canada. R. D. Kurtz and W. J. Davis, Geological Survey of Canada, 601 Booth Street, Ottawa, Ontario K1A OE8, Canada. G. M. Ross, Geologica.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9924022" target="_blank"〉PubMed〈/a〉
    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
    Publication Date: 1999-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McLafferty, F W -- Fridriksson, E K -- Horn, D M -- Lewis, M A -- Zubarev, R A -- New York, N.Y. -- Science. 1999 May 21;284(5418):1289-90.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY 14853-1301, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10383309" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Binding Sites ; DNA/*chemistry/isolation & purification/metabolism ; Mass Spectrometry/instrumentation/*methods ; Molecular Sequence Data ; Molecular Weight ; Proteins/*chemistry/isolation & purification/metabolism ; Sequence Analysis ; Sequence Analysis, DNA ; Thermodynamics ; Ubiquitins/chemistry
    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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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1990-05-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gayle, F W -- New York, N.Y. -- Science. 1990 May 25;248(4958):944.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17745389" target="_blank"〉PubMed〈/a〉
    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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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-03-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lancaster, F W -- New York, N.Y. -- Science. 1991 Mar 22;251(5000):1409.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17779409" target="_blank"〉PubMed〈/a〉
    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
    Publication Date: 1990-09-28
    Description: The segment of the malarial circumsporozoite (CS) protein designated Region II is highly conserved among different malarial species. A similar sequence is also present in several other proteins, including thrombospondin, properdin, and a blood-stage antigen of Plasmodium falciparum. By means of peptides synthesized from sequences of the Plasmodium vivax CS protein in the vicinity of Region II, it was found that two overlapping 18- to 20-amino acid peptides promoted the adhesion of a variety of human hematopoietic cell lines. The amino acid sequence valine-threonine-cysteineglycine (VTCG), contained within this common motif, was shown to be the critical sequence for the observed cell-adhesive properties.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rich, K A -- George, F W 4th -- Law, J L -- Martin, W J -- New York, N.Y. -- Science. 1990 Sep 28;249(4976):1574-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, University of Southern California School of Medicine, Los Angeles 90033.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2120774" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antigens, Protozoan/*genetics ; *Cell Adhesion ; Cell Line ; Fluorescein-5-isothiocyanate ; Fluoresceins ; Fluorescent Dyes ; Humans ; Molecular Sequence Data ; Peptides/chemical synthesis ; Plasmodium falciparum/*genetics ; Plasmodium vivax/*genetics ; Protozoan Proteins/*genetics ; Thiocyanates
    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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  • 8
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1992-02-14
    Description: An assessment of health effects due to ozone and particulate matter (PM10) suggests that each of the 12 million residents of the South Coast Air Basin of California experiences ozone-related symptoms on an average of up to 17 days each year and faces an increased risk of death in any year of 1/10,000 as a result of elevated PM10 exposure. The estimated annual economic value of avoiding these effects is nearly $10 billion. Attaining air pollution standards may save 1600 lives a year in the region.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hall, J V -- Winer, A M -- Kleinman, M T -- Lurmann, F W -- Brajer, V -- Colome, S D -- New York, N.Y. -- Science. 1992 Feb 14;255(5046):812-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Economics, California State University, Fullerton 92634.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1536006" target="_blank"〉PubMed〈/a〉
    Keywords: Air Pollutants/adverse effects ; Air Pollution/adverse effects/*economics ; California ; Cost-Benefit Analysis ; Dose-Response Relationship, Drug ; Humans ; Ozone/adverse effects ; Respiratory Tract Diseases/economics/etiology
    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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  • 9
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1992-12-11
    Description: When template DNA is saturated with a single-stranded DNA binding protein (SSB), strings of three or four contiguous hexanucleotides (hexamers) can cooperate through base-stacking interactions to prime DNA synthesis specifically from the 3' end of the string. Under the same conditions, priming by individual hexamers is suppressed. Strings of three of four hexamers representing more than 200 of the 4096 possible hexamers primed easily readable sequence ladders at more than 75 different sites in single-stranded or denatured double-stranded templates 6.4 kilobases to 40 kilobase pairs long, with a success rate of 60 to 90 percent. A synthesis of 1 micromole of hexamer supplies enough material for thousands of primings, so multiple libraries of all 4096 hexamers could be distributed at a reasonable cost. Such libraries would allow rapid and economical sequencing. Automating this strategy could increase the speed and efficiency of large-scale DNA sequencing by at least an order of magnitude.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kieleczawa, J -- Dunn, J J -- Studier, F W -- New York, N.Y. -- Science. 1992 Dec 11;258(5089):1787-91.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biology Department, Brookhaven National Laboratory, Upton, NY 11973.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1465615" target="_blank"〉PubMed〈/a〉
    Keywords: *Base Sequence ; Binding Sites ; DNA/*genetics/metabolism ; DNA, Viral/genetics ; DNA-Binding Proteins/metabolism ; Escherichia coli/metabolism ; *Genetic Techniques ; Molecular Sequence Data ; Nucleic Acid Denaturation ; Oligodeoxyribonucleotides ; Sulfur Radioisotopes ; Templates, Genetic
    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
    Publication Date: 1990-03-30
    Description: The generation of the orientation component of the polarization of matter in an electric field has previously been thought to require interaction of molecules with their neighbors. It is demonstrated that, even in the absence of collisions between neighboring molecules, hot isolated polyatomic molecules can reorient in response to an external field, thereby giving rise to the orientation component of polarization. This reorientation occurs through the interaction of rotation with molecular vibrations, which provides a heat bath to establish thermal rotational equilibrium. This effect is demonstrated for o-difluorobenzene, o-dichlorobenzene, and p-chlorotoluene, with an inhomogeneous electric field used to deflect molecular beams of these molecules.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Farley, F W -- McClelland, G M -- New York, N.Y. -- Science. 1990 Mar 30;247(4950):1572-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17782813" target="_blank"〉PubMed〈/a〉
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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