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  • Chemistry  (35)
  • Molecular Sequence Data  (27)
  • Engineering
  • FLUID MECHANICS AND HEAT TRANSFER
  • 2020-2020
  • 1995-1999  (62)
  • 1990-1994
  • 1999  (62)
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  • 2020-2020
  • 1995-1999  (62)
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  • 1
    Publication Date: 1999-11-24
    Description: The complete genome sequence of the radiation-resistant bacterium Deinococcus radiodurans R1 is composed of two chromosomes (2,648,638 and 412,348 base pairs), a megaplasmid (177,466 base pairs), and a small plasmid (45,704 base pairs), yielding a total genome of 3,284, 156 base pairs. Multiple components distributed on the chromosomes and megaplasmid that contribute to the ability of D. radiodurans to survive under conditions of starvation, oxidative stress, and high amounts of DNA damage were identified. Deinococcus radiodurans represents an organism in which all systems for DNA repair, DNA damage export, desiccation and starvation recovery, and genetic redundancy are present in one cell.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4147723/" 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/PMC4147723/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉White, O -- Eisen, J A -- Heidelberg, J F -- Hickey, E K -- Peterson, J D -- Dodson, R J -- Haft, D H -- Gwinn, M L -- Nelson, W C -- Richardson, D L -- Moffat, K S -- Qin, H -- Jiang, L -- Pamphile, W -- Crosby, M -- Shen, M -- Vamathevan, J J -- Lam, P -- McDonald, L -- Utterback, T -- Zalewski, C -- Makarova, K S -- Aravind, L -- Daly, M J -- Minton, K W -- Fleischmann, R D -- Ketchum, K A -- Nelson, K E -- Salzberg, S -- Smith, H O -- Venter, J C -- Fraser, C M -- R01 CA077712/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1999 Nov 19;286(5444):1571-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Genomic Research, 9712 Medical Center Drive, Rockville, MD 20850, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10567266" target="_blank"〉PubMed〈/a〉
    Keywords: Bacterial Proteins/biosynthesis/chemistry/genetics ; Catalase/genetics ; Chromosomes, Bacterial/genetics ; DNA Damage ; DNA Repair/genetics ; DNA, Bacterial/genetics ; Energy Metabolism ; Genes, Bacterial ; *Genome, Bacterial ; Gram-Positive Cocci/chemistry/classification/*genetics/radiation effects ; Molecular Sequence Data ; Open Reading Frames ; Oxidative Stress ; *Physical Chromosome Mapping ; Plasmids ; Radiation Tolerance ; Repetitive Sequences, Nucleic Acid ; *Sequence Analysis, DNA ; Superoxide Dismutase/genetics ; Thermus/chemistry/genetics ; Ultraviolet Rays
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
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  • 2
    Publication Date: 1999-10-03
    Description: Precursors of alpha-defensin peptides require activation for bactericidal activity. In mouse small intestine, matrilysin colocalized with alpha-defensins (cryptdins) in Paneth cell granules, and in vitro it cleaved the pro segment from cryptdin precursors. Matrilysin-deficient (MAT-/-) mice lacked mature cryptdins and accumulated precursor molecules. Intestinal peptide preparations from MAT-/- mice had decreased antimicrobial activity. Orally administered bacteria survived in greater numbers and were more virulent in MAT-/- mice than in MAT+/+ mice. Thus, matrilysin functions in intestinal mucosal defense by regulating the activity of defensins, which may be a common role for this metalloproteinase in its numerous epithelial sites of expression.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wilson, C L -- Ouellette, A J -- Satchell, D P -- Ayabe, T -- Lopez-Boado, Y S -- Stratman, J L -- Hultgren, S J -- Matrisian, L M -- Parks, W C -- New York, N.Y. -- Science. 1999 Oct 1;286(5437):113-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pediatrics, Division of Allergy and Pulmonary Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA. wilson_c@kids.wustl.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10506557" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Catalysis ; Cytoplasmic Granules/enzymology ; Escherichia coli/growth & development ; Escherichia coli Infections/immunology/microbiology ; Female ; Humans ; *Immunity, Innate ; *Immunity, Mucosal ; Intestinal Mucosa/enzymology/immunology/microbiology ; Intestine, Small/enzymology/*immunology/microbiology ; Male ; Matrix Metalloproteinase 7 ; Metalloendopeptidases/genetics/*metabolism ; Mice ; Molecular Sequence Data ; Paneth Cells/enzymology ; Protein Precursors/genetics/*metabolism ; Recombinant Fusion Proteins/metabolism ; Salmonella typhimurium/growth & development/pathogenicity ; Tissue Extracts/pharmacology
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 1999 (1999), S. 505-507 
    ISSN: 1434-1948
    Keywords: Macrocycle ; Pyrazole ; N-Heterocycle ; Carbonate ; Copper ; Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The 22-membered macrocycle, spanning four endocyclic pyrazole groups, viz. 1,4,9,14,17,22,27,28,29,30-decaaza-5,13,18,26-tetramethylpentacyclo[24.2.1.14,7.111,14.117,20]triacontane-5,7(28),11(29),12,18,20(30),24(27),25-octaene (22Pz), rendered the tetranuclear compound [Cu4(22Pz)2(CO3)2(MeOH)2](ClO4)4(MeOH)4. The copper(II) ions are in distorted octahedral N3O3 environments. All four pyrazole groups of each macrocycle participate in the coordination of the copper(II) ions. The cationic part of this compound is in fact a dimer of two macrocyclic ligands, each containing two copper(II) ions bridged by two carbonate ions in the highly unusual pentacoordinating fashion.Supporting information for this article is available on the WWW under http://www.wiley-vch.de/contents/jc_2005/1999/98332_s.pdf or from the author.
    Additional Material: 2 Ill.
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  • 4
    ISSN: 1434-193X
    Keywords: Nitrosobenzenes ; ortho-Nitrosoanilines ; 2-Nitroso-1,3-phenylenediamines ; Nucleophilic aromatic substitution ; Oxidative nucleophilic substitution of hydrogen ; Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: -The reaction of primary amines bearing tertiary alkyl groups (e.g. R-NH2; R = tBu, 1-adamantyl) with nitrosobenzenes has been found to proceed by oxidative nucleophilic aromatic substitution of hydrogen, thereby affording N-(tert-alkyl)-ortho- and -para-nitrosoanilines. The replacement of hydrogen proceeds more rapidly than the replacement of ortho- or para-nitro or -bromo substituents. With p-nitronitrosobenzene, both ortho-hydrogen atoms are substituted to afford N,N′-di(tert-alkyl)-4-nitro-2-nitroso-1,3-phenylenediamines 8a,b. The addition of oxidizing agents (e.g. MnO2) increases the yield of products. 1H-, 13C-, 14N- and 15N-NMR studies have confirmed the structures of the compounds under investigation. In ortho-nitrosoanilines, the rotamer with the nitroso group syn to the amino group is favored.
    Additional Material: 3 Tab.
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  • 5
    Publication Date: 1999-07-31
    Description: Many immune receptors are composed of separate ligand-binding and signal-transducing subunits. In natural killer (NK) and T cells, DAP10 was identified as a cell surface adaptor protein in an activating receptor complex with NKG2D, a receptor for the stress-inducible and tumor-associated major histocompatibility complex molecule MICA. Within the DAP10 cytoplasmic domain, an Src homology 2 (SH2) domain-binding site was capable of recruiting the p85 subunit of the phosphatidylinositol 3-kinase (PI 3-kinase), providing for NKG2D-dependent signal transduction. Thus, NKG2D-DAP10 receptor complexes may activate NK and T cell responses against MICA-bearing tumors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wu, J -- Song, Y -- Bakker, A B -- Bauer, S -- Spies, T -- Lanier, L L -- Phillips, J H -- AI30581/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1999 Jul 30;285(5428):730-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉DNAX Research Institute, 901 California Avenue, Palo Alto, CA 94304, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10426994" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Binding Sites ; Cell Line ; Cytotoxicity, Immunologic ; Humans ; Killer Cells, Natural/*immunology/metabolism ; Ligands ; *Lymphocyte Activation ; Membrane Proteins/chemistry/genetics/*metabolism ; Mice ; Molecular Sequence Data ; NK Cell Lectin-Like Receptor Subfamily K ; Neoplasms/immunology ; Phosphatidylinositol 3-Kinases/metabolism ; Phosphorylation ; Phosphotyrosine/metabolism ; Receptors, Immunologic/chemistry/genetics/*metabolism ; Receptors, Natural Killer Cell ; Signal Transduction ; T-Lymphocytes/*immunology/metabolism ; Tumor Cells, Cultured ; src Homology Domains
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  • 6
    Publication Date: 1999-04-09
    Description: Mature Arabidopsis seeds are enriched in storage proteins and lipids, but lack starch. In the shrunken seed 1 (sse1) mutant, however, starch is favored over proteins and lipids as the major storage compound. SSE1 has 26 percent identity with Pex16p in Yarrowia lipolytica and complements pex16 mutants defective in the formation of peroxisomes and the transportation of plasma membrane- and cell wall-associated proteins. In Arabidopsis maturing seeds, SSE1 is required for protein and oil body biogenesis, both of which are endoplasmic reticulum-dependent. Starch accumulation in sse1 suggests that starch formation is a default storage deposition pathway.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lin, Y -- Sun, L -- Nguyen, L V -- Rachubinski, R A -- Goodman, H M -- New York, N.Y. -- Science. 1999 Apr 9;284(5412):328-30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10195899" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Arabidopsis/genetics/*metabolism/ultrastructure ; *Arabidopsis Proteins ; *Fungal Proteins ; Gene Expression ; Genetic Complementation Test ; Membrane Proteins/chemistry/genetics ; Microbodies/metabolism/ultrastructure ; Microscopy, Electron ; Molecular Sequence Data ; Mutation ; Organelles/*metabolism/ultrastructure ; Phenotype ; Plant Oils/metabolism ; Plant Proteins/chemistry/genetics/metabolism/*physiology ; Reverse Transcriptase Polymerase Chain Reaction ; Saccharomycetales/chemistry/genetics/metabolism ; Seeds/*metabolism/ultrastructure ; Starch/metabolism
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  • 7
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1999-02-12
    Description: The classical phylogeny of living reptiles pairs crocodilians with birds, tuataras with squamates, and places turtles at the base of the tree. New evidence from two nuclear genes, and analyses of mitochondrial DNA and 22 additional nuclear genes, join crocodilians with turtles and place squamates at the base of the tree. Morphological and paleontological evidence for this molecular phylogeny is unclear. Molecular time estimates support a Triassic origin for the major groups of living reptiles.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hedges, S B -- Poling, L L -- New York, N.Y. -- Science. 1999 Feb 12;283(5404):998-1001.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Institute of Molecular Evolutionary Genetics, and Astrobiology Research Center, 208 Mueller Laboratory, Pennsylvania State University, University Park, PA 16802, USA. sbh1@psu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9974396" target="_blank"〉PubMed〈/a〉
    Keywords: Alligators and Crocodiles/anatomy & histology/classification/genetics ; Animals ; Birds/anatomy & histology/classification/genetics ; Genes, rRNA ; Lizards/anatomy & histology/classification/genetics ; Molecular Sequence Data ; *Phylogeny ; RNA, Ribosomal, 18S/genetics ; Reptiles/anatomy & histology/*classification/*genetics ; Snakes/anatomy & histology/classification/genetics ; Turtles/anatomy & histology/classification/genetics
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  • 8
    Publication Date: 1999-07-27
    Description: Genetic selections were used to find peptides that inhibit biological pathways in budding yeast. The peptides were presented inside cells as peptamers, surface loops on a highly expressed and biologically inert carrier protein, a catalytically inactive derivative of staphylococcal nuclease. Peptamers that inhibited the pheromone signaling pathway, transcriptional silencing, and the spindle checkpoint were isolated. Putative targets for the inhibitors were identified by a combination of two-hybrid analysis and genetic dissection of the target pathways. This analysis identified Ydr517w as a component of the spindle checkpoint and reinforced earlier indications that Ste50 has both positive and negative roles in pheromone signaling. Analysis of transcript arrays showed that the peptamers were highly specific in their effects, which suggests that they may be useful reagents in organisms that lack sophisticated genetics as well as for identifying components of existing biological pathways that are potential targets for drug discovery.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Norman, T C -- Smith, D L -- Sorger, P K -- Drees, B L -- O'Rourke, S M -- Hughes, T R -- Roberts, C J -- Friend, S H -- Fields, S -- Murray, A W -- P41-RR11823/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1999 Jul 23;285(5427):591-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology, University of California, San Francisco, CA 94143-0444, USA. tnorman@microbia.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10417390" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Calcium-Calmodulin-Dependent Protein Kinases/metabolism ; Fungal Proteins/metabolism ; G1 Phase ; Galactose/metabolism ; Lipoproteins/metabolism ; Micrococcal Nuclease ; Mitosis ; Molecular Sequence Data ; Peptide Library ; Peptides/genetics/metabolism/*pharmacology ; Pheromones/*metabolism ; Protein Binding ; Protein-Serine-Threonine Kinases ; Protein-Tyrosine Kinases ; Saccharomyces cerevisiae/cytology/genetics/*metabolism ; *Saccharomyces cerevisiae Proteins ; *Selection, Genetic ; *Signal Transduction ; Spindle Apparatus/drug effects/*metabolism ; Transcription, Genetic
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  • 9
    Publication Date: 1999-06-05
    Description: We purified, cloned, and expressed aggrecanase, a protease that is thought to be responsible for the degradation of cartilage aggrecan in arthritic diseases. Aggrecanase-1 [a disintegrin and metalloproteinase with thrombospondin motifs-4 (ADAMTS-4)] is a member of the ADAMTS protein family that cleaves aggrecan at the glutamic acid-373-alanine-374 bond. The identification of this protease provides a specific target for the development of therapeutics to prevent cartilage degradation in arthritis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tortorella, M D -- Burn, T C -- Pratta, M A -- Abbaszade, I -- Hollis, J M -- Liu, R -- Rosenfeld, S A -- Copeland, R A -- Decicco, C P -- Wynn, R -- Rockwell, A -- Yang, F -- Duke, J L -- Solomon, K -- George, H -- Bruckner, R -- Nagase, H -- Itoh, Y -- Ellis, D M -- Ross, H -- Wiswall, B H -- Murphy, K -- Hillman, M C Jr -- Hollis, G F -- Newton, R C -- Magolda, R L -- Trzaskos, J M -- Arner, E C -- New York, N.Y. -- Science. 1999 Jun 4;284(5420):1664-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Inflammatory Diseases Research, DuPont Pharmaceuticals Company, Wilmington, DE 19880-0400, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10356395" target="_blank"〉PubMed〈/a〉
    Keywords: ADAM Proteins ; Aggrecans ; Amino Acid Sequence ; Arthritis/drug therapy ; Cartilage/metabolism ; Catalytic Domain ; Cloning, Molecular ; Disintegrins/chemistry/metabolism ; *Extracellular Matrix Proteins ; Humans ; Hydroxamic Acids/pharmacology ; Interleukin-1/pharmacology ; Lectins, C-Type ; Metalloendopeptidases/*chemistry/*genetics/isolation & purification/metabolism ; Molecular Sequence Data ; Procollagen N-Endopeptidase ; Protease Inhibitors/pharmacology ; Protein Sorting Signals ; Proteoglycans/metabolism ; Recombinant Proteins/chemistry/metabolism ; Sequence Analysis
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  • 10
    Publication Date: 1999-02-19
    Description: A highly fatal hemorrhagic disease has been identified in 10 young Asian and African elephants at North American zoos. In the affected animals there was ultrastructural evidence for herpesvirus-like particles in endothelial cells of the heart, liver, and tongue. Consensus primer polymerase chain reaction combined with sequencing yielded molecular evidence that confirmed the presence of two novel but related herpesviruses associated with the disease, one in Asian elephants and another in African elephants. Otherwise healthy African elephants with external herpetic lesions yielded herpesvirus sequences identical to that found in Asian elephants with endothelial disease. This finding suggests that the Asian elephant deaths were caused by cross-species infection with a herpesvirus that is naturally latent in, but normally not lethal to, African elephants. A reciprocal relationship may exist for the African elephant disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Richman, L K -- Montali, R J -- Garber, R L -- Kennedy, M A -- Lehnhardt, J -- Hildebrandt, T -- Schmitt, D -- Hardy, D -- Alcendor, D J -- Hayward, G S -- 1 K08 AI01526-01/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1999 Feb 19;283(5405):1171-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Smithsonian, National Zoological Park, Washington, DC 20008, USA. lkrichma@welchlink.welch.jhu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10024244" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Amino Acid Sequence ; Animals ; Animals, Zoo/*virology ; Asia ; Base Sequence ; DNA, Viral/genetics ; DNA-Directed DNA Polymerase/chemistry/genetics ; Elephants/*virology ; Endodeoxyribonucleases/chemistry/genetics ; Endothelium, Vascular/pathology/*virology ; Female ; Genes, Viral ; Hemorrhage/pathology/veterinary/virology ; Herpesviridae/classification/genetics/*isolation & purification ; Herpesviridae Infections/pathology/transmission/*veterinary/virology ; Inclusion Bodies, Viral/ultrastructure ; Male ; Molecular Sequence Data ; Phylogeny ; Polymerase Chain Reaction ; United States ; Viral Proteins/genetics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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