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  • Cloning, Molecular  (122)
  • American Association for the Advancement of Science (AAAS)  (122)
  • American Chemical Society (ACS)
  • American Institute of Physics (AIP)
  • Copernicus
  • Elsevier
  • Public Library of Science
  • Springer
  • Springer Nature
  • 1995-1999  (63)
  • 1985-1989  (59)
  • 1996  (63)
  • 1989  (59)
Collection
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Publisher
  • American Association for the Advancement of Science (AAAS)  (122)
  • American Chemical Society (ACS)
  • American Institute of Physics (AIP)
  • Copernicus
  • Elsevier
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  • 1995-1999  (63)
  • 1985-1989  (59)
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  • 1
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    IRAK: a kinase associated with the interleukin-1 receptor (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-02-23
    Description: The pleiotropic biological activities of interleukin-1 (IL-1) are mediated by its type I receptor (IL-1RI). When the ligand binds, IL-1RI initiates a signaling cascade that results in the activation of the transcription regulator nuclear factor kappa B (NF-kappa B). A protein kinase designated IRAK (IL-1 receptor-associated kinase) was purified, and its complementary DNA was molecularly cloned. When human embryonic kidney cells (cell line 293) over-expressing IL-1RI or HeLa cells were exposed to IL-1, IRAK rapidly associated with the IL-1RI complex and was phosphorylated. The primary amino acid sequence of IRAK shares similarity with that of Pelle, a protein kinase that is essential for the activation of a NF-kappa B homolog in Drosophila.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cao, Z -- Henzel, W J -- Gao, X -- New York, N.Y. -- Science. 1996 Feb 23;271(5252):1128-31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular Biology Department, Tularik, Incorporated, South San Francisco, CA 94080, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8599092" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Line ; Cloning, Molecular ; DNA, Complementary/genetics ; Drosophila ; *Drosophila Proteins ; HeLa Cells ; Humans ; Interleukin-1/*metabolism/pharmacology ; Interleukin-1 Receptor-Associated Kinases ; Molecular Sequence Data ; Phosphorylation ; Protein Kinases/chemistry/genetics/isolation & purification/*metabolism ; Protein-Serine-Threonine Kinases/chemistry ; Receptors, Interleukin-1/*metabolism ; Transfection
    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
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    Binding of zinc finger protein ZPR1 to the epidermal growth factor receptor (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-06-21
    Description: ZPR1 is a zinc finger protein that binds to the cytoplasmic tyrosine kinase domain of the epidermal growth factor receptor (EGFR). Deletion analysis demonstrated that this binding interaction is mediated by the zinc fingers of ZPR1 and subdomains X and XI of the EGFR tyrosine kinase. Treatment of mammalian cells with EGF caused decreased binding of ZPR1 to the EGFR and the accumulation of ZPR1 in the nucleus. The effect of EGF to regulate ZPR1 binding is dependent on tyrosine phosphorylation of the EGFR. ZPR1 therefore represents a prototype for a class of molecule that binds to the EGFR and is released from the receptor after activation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Galcheva-Gargova, Z -- Konstantinov, K N -- Wu, I H -- Klier, F G -- Barrett, T -- Davis, R J -- R01-CA58396/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1996 Jun 21;272(5269):1797-802.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Biology, University of Massachusetts Medical School, Worcester, 01605, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8650580" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Carrier Proteins/chemistry/*metabolism/secretion ; Cell Line ; Cell Nucleus/metabolism ; Cloning, Molecular ; Cytoplasm/metabolism ; Epidermal Growth Factor/pharmacology ; Humans ; Immunoblotting ; Male ; Mice ; Molecular Sequence Data ; Phosphorylation ; Phosphotyrosine/metabolism ; Protein Structure, Secondary ; RNA, Messenger/genetics/metabolism ; Receptor, Epidermal Growth Factor/chemistry/*metabolism ; Testis/metabolism ; Type C Phospholipases/metabolism ; Vanadates/pharmacology ; *Zinc Fingers ; src Homology Domains
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  • 3
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    Myc and Max homologs in Drosophila (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-11-29
    Description: The proteins encoded by the myc proto-oncogene family are involved in cell proliferation, apoptosis, differentiation, and neoplasia. Myc acts through dimerization with Max to bind DNA and activate transcription. Homologs of the myc and max genes were cloned from the fruit fly Drosophila melanogaster and their protein products (dMyc and dMax) were shown to heterodimerize, recognize the same DNA sequence as their vertebrate homologs, and activate transcription. The dMyc protein is likely encoded by the Drosophila gene diminutive (dm), a mutation in which results in small body size and female sterility caused by degeneration of the ovaries. These findings indicate a potential role for Myc in germ cell development and set the stage for genetic analysis of Myc and Max.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gallant, P -- Shiio, Y -- Cheng, P F -- Parkhurst, S M -- Eisenman, R N -- R01CA47138/CA/NCI NIH HHS/ -- R01GM47852/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1996 Nov 29;274(5292):1523-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Basic Sciences, Fred Hutchinson Cancer Research Center, 1124 Columbia Street, Seattle WA 98104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8929412" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Basic Helix-Loop-Helix Leucine Zipper Transcription Factors ; Basic-Leucine Zipper Transcription Factors ; Cloning, Molecular ; DNA Transposable Elements ; DNA, Complementary ; DNA-Binding Proteins/chemistry/genetics/metabolism ; Dimerization ; *Drosophila Proteins ; Drosophila melanogaster/chemistry/*genetics/growth & development/metabolism ; Female ; Gene Expression Regulation, Developmental ; Genes, Insect ; Genes, myc ; *Helix-Loop-Helix Motifs ; Humans ; Molecular Sequence Data ; Oligonucleotide Probes/metabolism ; Ovary/metabolism ; Proto-Oncogene Proteins c-myc/chemistry/genetics/metabolism ; RNA, Messenger/genetics/metabolism ; Transcription Factors/chemistry/genetics/*metabolism ; Transcription, Genetic
    Print ISSN: 0036-8075
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  • 4
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    KUZ, a conserved metalloprotease-disintegrin protein with two roles in Drosophila neurogenesis (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-08-30
    Description: During neurogenesis in Drosophila both neurons and nonneuronal cells are produced from a population of initially equivalent cells. The kuzbanian (kuz) gene described here is essential for the partitioning of neural and nonneuronal cells during development of both the central and peripheral nervous systems in Drosophila. Mosaic analyses indicated that kuz is required for cells to receive signals inhibiting the neural fate. These analyses further revealed that the development of a neuron requires a kuz-mediated positive signal from neighboring cells. The kuz gene encodes a metalloprotease-disintegrin protein with a highly conserved bovine homolog, raising the possibility that kuz homologs may act in similar processes during mammalian neurogenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rooke, J -- Pan, D -- Xu, T -- Rubin, G M -- New York, N.Y. -- Science. 1996 Aug 30;273(5279):1227-31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Boyer Center for Molecular Medicine, Yale University School of Medicine, New Haven, CT 06536, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8703057" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cloning, Molecular ; Disintegrins/chemistry/genetics/*physiology ; Drosophila/cytology/embryology/*genetics/physiology ; *Drosophila Proteins ; *Genes, Insect ; Metalloendopeptidases/chemistry/genetics/*physiology ; Molecular Sequence Data ; Mosaicism ; Mutation ; Nervous System/embryology ; Neurons/*cytology ; Photoreceptor Cells, Invertebrate/cytology/embryology
    Print ISSN: 0036-8075
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  • 5
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    PER protein in silkmoths marches to different drummer (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-11-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barinaga, M -- New York, N.Y. -- Science. 1996 Nov 22;274(5291):1306.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8966602" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Clocks ; Bombyx/genetics/*metabolism ; Brain/metabolism ; Cell Nucleus/metabolism ; *Circadian Rhythm ; Cloning, Molecular ; *Drosophila Proteins ; Drosophila melanogaster/genetics/metabolism ; Gene Expression Regulation ; Genes, Insect ; Neurons/*metabolism ; Nuclear Proteins/genetics/*metabolism ; Period Circadian Proteins ; Proteins/genetics/metabolism ; RNA, Antisense/metabolism ; RNA, Messenger/metabolism
    Print ISSN: 0036-8075
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  • 6
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    Protein kinase N (PKN) and PKN-related protein rhophilin as targets of small GTPase Rho (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-02-02
    Description: The Rho guanosine 5'-triphosphatase (GTPase) cycles between the active guanosine triphosphate (GTP)-bound form and the inactive guanosine diphosphate-bound form and regulates cell adhesion and cytokinesis, but how it exerts these actions is unknown. The yeast two-hybrid system was used to clone a complementary DNA for a protein (designated Rhophilin) that specifically bound to GTP-Rho. The Rho-binding domain of this protein has 40 percent identity with a putative regulatory domain of a protein kinase, PKN. PKN itself bound to GTP-Rho and was activated by this binding both in vitro and in vivo. This study indicates that a serine-threonine protein kinase is a Rho effector and presents an amino acid sequence motif for binding to GTP-Rho that may be shared by a family of Rho target proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Watanabe, G -- Saito, Y -- Madaule, P -- Ishizaki, T -- Fujisawa, K -- Morii, N -- Mukai, H -- Ono, Y -- Kakizuka, A -- Narumiya, S -- New York, N.Y. -- Science. 1996 Feb 2;271(5249):645-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, Kyoto University Faculty of Medicine, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8571126" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing ; Amino Acid Sequence ; Animals ; Cell Line ; Cloning, Molecular ; Enzyme Activation ; GTP Phosphohydrolases/*metabolism ; GTP-Binding Proteins/chemistry/*metabolism ; Guanosine Triphosphate/metabolism ; Humans ; Membrane Proteins/*metabolism ; Mice ; Molecular Sequence Data ; Phosphorylation ; Protein Kinase C/chemistry/*metabolism ; *Protein-Serine-Threonine Kinases ; Recombinant Fusion Proteins/metabolism ; Saccharomyces cerevisiae/genetics ; Signal Transduction ; ras Proteins ; *rho GTP-Binding Proteins ; rhoA GTP-Binding Protein ; rhoB GTP-Binding Protein
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  • 7
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    Association of Src tyrosine kinase with a human potassium channel mediated by SH3 domain (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-12-20
    Description: The human Kv1.5 potassium channel (hKv1.5) contains proline-rich sequences identical to those that bind to Src homology 3 (SH3) domains. Direct association of the Src tyrosine kinase with cloned hKv1.5 and native hKv1.5 in human myocardium was observed. This interaction was mediated by the proline-rich motif of hKv1.5 and the SH3 domain of Src. Furthermore, hKv1.5 was tyrosine phosphorylated, and the channel current was suppressed, in cells coexpressing v-Src. These results provide direct biochemical evidence for a signaling complex composed of a potassium channel and a protein tyrosine kinase.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holmes, T C -- Fadool, D A -- Ren, R -- Levitan, I B -- F32 NS009952/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1996 Dec 20;274(5295):2089-91.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Volen Center for Complex Systems, Brandeis University, Waltham, MA 02254, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8953041" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Cell Line ; Cloning, Molecular ; Humans ; Kv1.5 Potassium Channel ; Molecular Sequence Data ; Myocardium/chemistry ; Oncogene Protein pp60(v-src)/metabolism ; Patch-Clamp Techniques ; Phosphorylation ; Phosphotyrosine/metabolism ; Potassium Channels/chemistry/*metabolism ; *Potassium Channels, Voltage-Gated ; Recombinant Fusion Proteins/metabolism ; Signal Transduction ; Transfection ; src Homology Domains/*physiology ; src-Family Kinases/chemistry/*metabolism
    Print ISSN: 0036-8075
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  • 8
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    Functional analysis of the genes of yeast chromosome V by genetic footprinting (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-12-20
    Description: Genetic footprinting was used to assess the phenotypic effects of Ty1 transposon insertions in 268 predicted genes of chromosome V of Saccharomyces cerevisiae. When seven selection protocols were used, Ty1 insertions in more than half the genes tested (157 of 268) were found to result in a detectable reduction in fitness. Results could not be obtained for fewer than 3 percent of the genes tested (7 of 268). Previously known mutant phenotypes were confirmed, and, for about 30 percent of the genes, new mutant phenotypes were identified.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, V -- Chou, K N -- Lashkari, D -- Botstein, D -- Brown, P O -- 1PO1 HG00205-05/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 1996 Dec 20;274(5295):2069-74.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, Stanford University School of Medicine, Stanford, CA 94305, USA. Medicine, Stanford, CA 94305, USA. pbrown@cmgm.stanford.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8953036" target="_blank"〉PubMed〈/a〉
    Keywords: Chromosomes, Fungal/*genetics ; Cloning, Molecular ; Culture Media ; DNA Footprinting ; DNA Transposable Elements ; DNA, Fungal/genetics ; Gene Library ; *Genes, Fungal ; Mutagenesis, Insertional ; Phenotype ; Polymerase Chain Reaction ; Saccharomyces cerevisiae/*genetics/growth & development/physiology
    Print ISSN: 0036-8075
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  • 9
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    A quasi-monoclonal mouse (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-06-14
    Description: As a model for studying the generation of antibody diversity, a gene-targeted mouse was produced that is hemizygous for a rearranged V(D)J segment at the immunoglobulin (Ig) heavy chain locus, the other allele being nonfunctional. The mouse also has no functional kappa light chain allele. The heavy chain, when paired with any lambda light chain, is specific for the hapten (4-hydroxy-3-nitrophenyl) acetyl (NP). The primary repertoire of this quasi-monoclonal mouse is monospecific, but somatic hypermutation and secondary rearrangements change the specificity of 20 percent of the antigen receptors on B cells. The serum concentrations of the Ig isotypes are similar to those in nontransgenic littermates, but less than half of the serum IgM binds to NP, and none of the other isotypes do. Thus, neither network interactions nor random activation of a small fraction of the B cell population can account for serum Ig concentrations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cascalho, M -- Ma, A -- Lee, S -- Masat, L -- Wabl, M -- 1R01 GM37699/GM/NIGMS NIH HHS/ -- P60 AR20684/AR/NIAMS NIH HHS/ -- New York, N.Y. -- Science. 1996 Jun 14;272(5268):1649-52.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, University of California, San Francisco 94143-0670, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8658139" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal/*genetics/immunology ; *Antigens, CD ; Antigens, CD43 ; Antigens, CD45/immunology ; B-Lymphocytes/cytology/immunology ; Base Sequence ; Cell Line ; Cloning, Molecular ; Dna ; Flow Cytometry ; Gene Rearrangement, B-Lymphocyte, Heavy Chain ; Haptens/immunology ; Immunoglobulin Heavy Chains/*genetics/immunology ; Immunoglobulin Isotypes/genetics ; Immunoglobulin J-Chains/genetics ; Immunoglobulin Light Chains/genetics/immunology ; Immunoglobulin Variable Region/genetics ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Mice, Knockout/genetics/*immunology ; Molecular Sequence Data ; Nitrophenols/immunology ; Phenylacetates ; Recombinant Proteins/genetics/immunology ; Sialoglycoproteins/immunology
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  • 10
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    Tricorn protease--the core of a modular proteolytic system (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-11-22
    Description: Large macromolecular assemblies have evolved as a means of compartmentalizing reactions in organisms lacking membrane-bounded compartments. A tricorn-shaped protease was isolated from the archaeon Thermoplasma and was shown to form a multisubunit proteolytic complex. The 120-kilodalton monomer assembled to form a hexameric toroid that could assemble further into a capsid structure. Tricorn protease appeared to act as the core of a proteolytic system; when it interacted with several smaller proteins, it displayed multicatalytic activities.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tamura, T -- Tamura, N -- Cejka, Z -- Hegerl, R -- Lottspeich, F -- Baumeister, W -- New York, N.Y. -- Science. 1996 Nov 22;274(5291):1385-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max-Planck-Institute for Biochemistry, D-82152 Martinsried, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8910281" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Cloning, Molecular ; Cysteine Endopeptidases/metabolism ; Endopeptidases/*chemistry/genetics/isolation & purification/*metabolism ; Genes, Bacterial ; Microscopy, Electron ; Models, Molecular ; Molecular Sequence Data ; Molecular Weight ; Multienzyme Complexes/metabolism ; Peptides/metabolism ; Proteasome Endopeptidase Complex ; *Protein Conformation ; Protein Folding ; Protein Structure, Tertiary ; Recombinant Proteins/chemistry/metabolism ; Substrate Specificity ; Thermoplasma/*enzymology
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  • 11
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    Role of a peptide tagging system in degradation of proteins synthesized from damaged messenger RNA (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-02-16
    Description: Variants of lambda repressor and cytochrome b562 translated from messenger RNAs without stop codons were modified by carboxyl terminal addition of an ssrA-encoded peptide tag and subsequently degraded by carboxyl terminal-specific proteases present in both the cytoplasm and periplasm of Escherichia coli. The tag appears to be added to the carboxyl terminus of the nascent polypeptide chain by cotranslational switching of the ribosome from the damaged messenger RNA to ssrA RNA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Keiler, K C -- Waller, P R -- Sauer, R T -- AI-15706/AI/NIAID NIH HHS/ -- AI-16892/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1996 Feb 16;271(5251):990-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139-4307, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8584937" target="_blank"〉PubMed〈/a〉
    Keywords: Alanine ; Amino Acid Sequence ; Base Sequence ; Cloning, Molecular ; Codon, Terminator ; Cytochrome b Group/genetics/*metabolism ; *DNA-Binding Proteins ; Endopeptidases/metabolism ; Escherichia coli/genetics/metabolism ; *Escherichia coli Proteins ; Molecular Sequence Data ; Peptides/metabolism ; Protein Biosynthesis ; *Protein Processing, Post-Translational ; RNA, Bacterial/genetics/*metabolism ; RNA, Messenger/genetics/*metabolism ; Repressor Proteins/genetics/*metabolism ; Viral Proteins ; Viral Regulatory and Accessory Proteins
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  • 12
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    A new receptor for growth hormone-release peptide (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-08-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Conn, P M -- Bowers, C Y -- New York, N.Y. -- Science. 1996 Aug 16;273(5277):923.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Oregon Regional Primate Research Center, Beaverton, OR 97006-3499, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8711477" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cloning, Molecular ; Growth Hormone/pharmacology/*secretion ; Growth Hormone-Releasing Hormone/metabolism ; Hormones/metabolism/pharmacology ; Humans ; Hypothalamus/metabolism ; Insulin-Like Growth Factor I/analysis ; Oligopeptides/*metabolism/pharmacology ; Receptors, Cell Surface/chemistry/*metabolism ; *Receptors, G-Protein-Coupled ; Receptors, Ghrelin ; Receptors, Neuropeptide/metabolism ; Receptors, Pituitary Hormone-Regulating Hormone/metabolism ; Recombinant Proteins/pharmacology
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  • 13
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    CKI1, a histidine kinase homolog implicated in cytokinin signal transduction (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-11-08
    Description: Although cytokinin plays a central role in plant development, little is known about cytokinin signal transduction. Five Arabidopsis thaliana mutants that exhibit typical cytokinin responses, including rapid cell division and shoot formation in tissue culture in the absence of exogenous cytokinin, were isolated by activation transferred DNA tagging. A gene, CKI1, which was tagged in four of the five mutants and induced typical cytokinin responses after introduction and overexpression in plants, was cloned. CKI1 encodes a protein similar to the two-component regulators. These results suggest that CKI1 is involved in cytokinin signal transduction, possibly as a cytokinin receptor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kakimoto, T -- New York, N.Y. -- Science. 1996 Nov 8;274(5289):982-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Graduate School of Science, Osaka University, Toyonaka, Osaka 560, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8875940" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Arabidopsis/genetics/*physiology ; *Arabidopsis Proteins ; Cloning, Molecular ; Cytokinins/pharmacology/*physiology ; DNA, Bacterial/genetics ; DNA, Complementary/genetics ; DNA, Plant/genetics ; Ethylenes/metabolism ; Genes, Plant ; Molecular Sequence Data ; Mutation ; Open Reading Frames ; Plant Proteins/chemistry/metabolism ; Polymorphism, Restriction Fragment Length ; Protein Kinases/chemistry/genetics/*physiology ; *Receptors, Cell Surface ; Sequence Homology, Amino Acid ; *Signal Transduction ; Transformation, Genetic
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  • 14
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    PKD2, a gene for polycystic kidney disease that encodes an integral membrane protein (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-05-31
    Description: A second gene for autosomal dominant polycystic kidney disease was identified by positional cloning. Nonsense mutations in this gene (PKD2) segregated with the disease in three PKD2 families. The predicted 968-amino acid sequence of the PKD2 gene product has six transmembrane spans with intracellular amino- and carboxyl-termini. The PKD2 protein has amino acid similarity with PKD1, the Caenorhabditis elegans homolog of PKD1, and the family of voltage-activated calcium (and sodium) channels, and it contains a potential calcium-binding domain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mochizuki, T -- Wu, G -- Hayashi, T -- Xenophontos, S L -- Veldhuisen, B -- Saris, J J -- Reynolds, D M -- Cai, Y -- Gabow, P A -- Pierides, A -- Kimberling, W J -- Breuning, M H -- Deltas, C C -- Peters, D J -- Somlo, S -- DK02015/DK/NIDDK NIH HHS/ -- DK48383/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1996 May 31;272(5266):1339-42.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Renal Division, Department of Medicine and Molecular Genetics, Albert Einstein College of Medicine, Bronx, NY 10461, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8650545" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Caenorhabditis elegans/chemistry/genetics ; Calcium Channels/chemistry/genetics ; Chromosome Mapping ; Chromosomes, Human, Pair 4 ; Cloning, Molecular ; Consensus Sequence ; Crystallography, X-Ray ; Female ; Glycosylation ; Humans ; Male ; Membrane Proteins/chemistry/*genetics/physiology ; Molecular Sequence Data ; Mutation ; Pedigree ; Phenotype ; Polycystic Kidney, Autosomal Dominant/*genetics ; Polymorphism, Single-Stranded Conformational ; Proteins/chemistry/genetics ; Sodium Channels/chemistry/genetics ; TRPP Cation Channels
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Fly sex drive traced to fru gene (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-12-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roush, W -- New York, N.Y. -- Science. 1996 Dec 13;274(5294):1836.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8984640" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cloning, Molecular ; Drosophila melanogaster/*genetics/physiology ; Female ; Gene Expression Regulation ; *Genes, Insect ; Male ; Neurons/metabolism ; RNA Splicing ; *Sexual Behavior, Animal
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  • 16
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    Small-conductance, calcium-activated potassium channels from mammalian brain (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-09-20
    Description: Members of a previously unidentified family of potassium channel subunits were cloned from rat and human brain. The messenger RNAs encoding these subunits were widely expressed in brain with distinct yet overlapping patterns, as well as in several peripheral tissues. Expression of the messenger RNAs in Xenopus oocytes resulted in calcium-activated, voltage-independent potassium channels. The channels that formed from the various subunits displayed differential sensitivity to apamin and tubocurare. The distribution, function, and pharmacology of these channels are consistent with the SK class of small-conductance, calcium-activated potassium channels, which contribute to the afterhyperpolarization in central neurons and other cell types.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kohler, M -- Hirschberg, B -- Bond, C T -- Kinzie, J M -- Marrion, N V -- Maylie, J -- Adelman, J P -- New York, N.Y. -- Science. 1996 Sep 20;273(5282):1709-14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Vollum Institute, L-474, Oregon Health Sciences University, 3181 Southwest Sam Jackson Road, Portland, OR 97201, USA. J. Maylie, Department of Obstetrics and Gyne.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8781233" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antisense Elements (Genetics) ; Apamin/pharmacology ; *Brain Chemistry ; Calcium/*metabolism/pharmacology ; Cloning, Molecular ; Electric Conductivity ; Female ; Humans ; Membrane Potentials ; Molecular Sequence Data ; Neurons/*physiology ; Oocytes ; Patch-Clamp Techniques ; Potassium/metabolism ; Potassium Channel Blockers ; Potassium Channels/analysis/chemistry/*physiology ; *Potassium Channels, Calcium-Activated ; RNA, Messenger/analysis/genetics ; Rats ; Rats, Sprague-Dawley ; Small-Conductance Calcium-Activated Potassium Channels ; Xenopus
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  • 17
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    Cold-induced expression of delta 9-desaturase in carp by transcriptional and posttranslational mechanisms (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-02-09
    Description: Poikilothermic animals respond to chronic cold by increasing phosphoglyceride unsaturation to restore the fluidity of cold-rigidified membranes. Despite the importance of this compensatory response, the enzymes involved have not been clearly identified, and the mechanisms that control their activity are unknown. In carp liver, cold induces an 8- to 10-fold increase in specific activity of the microsomal stearoyl coenzyme A desaturase. Cold-induced up-regulation of gene transcription resulted in a 10-fold increase in desaturase transcript amounts after 48 to 60 hours. However, this increase was preceded by the activation of latent desaturase, probably by a posttranslational mechanism. These two mechanisms may act sequentially to match desaturase expression to the demands imposed by a progressive decrease in temperature.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tiku, P E -- Gracey, A Y -- Macartney, A I -- Beynon, R J -- Cossins, A R -- New York, N.Y. -- Science. 1996 Feb 9;271(5250):815-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Environmental and Evolutionary Biology, University of Liverpool, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8629000" target="_blank"〉PubMed〈/a〉
    Keywords: Acclimatization ; Amino Acid Sequence ; Animals ; Antisense Elements (Genetics) ; Carps/*metabolism ; Cloning, Molecular ; Cold Temperature ; Enzyme Activation ; Microsomes, Liver/*enzymology ; Molecular Sequence Data ; Protein Processing, Post-Translational ; RNA, Messenger/genetics/metabolism ; Stearoyl-CoA Desaturase/*biosynthesis/genetics/*metabolism ; *Transcription, Genetic ; Up-Regulation
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    A neural tetraspanin, encoded by late bloomer, that facilitates synapse formation (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-03-29
    Description: Upon contacting its postsynaptic target, a neuronal growth cone transforms into a presynaptic terminal. A membrane component on the growth cone that facilitates synapse formation was identified by means of a complementary DNA-based screen followed by genetic analysis. The late bloomer (lbl) gene in Drosophila encodes a member of the tetraspanin family of cell surface proteins. LBL protein is transiently expressed on motor axons, growth cones, and terminal arbors. In lbl mutant embryos, the growth cone of the RP3 motoneuron contacts its target muscles, but synapse formation is delayed and neighboring motoneurons display an increase in ectopic sprouting.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kopczynski, C C -- Davis, G W -- Goodman, C S -- New York, N.Y. -- Science. 1996 Mar 29;271(5257):1867-70.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, University of California, Berkeley 94720, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8596956" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Axons/metabolism/ultrastructure ; Cloning, Molecular ; Drosophila/embryology/genetics/physiology ; *Drosophila Proteins ; *Genes, Insect ; Membrane Proteins/chemistry/genetics/*physiology ; Molecular Sequence Data ; Motor Neurons/cytology/metabolism/*physiology ; Muscles/innervation ; Mutation ; Nerve Tissue Proteins/chemistry/genetics/*physiology ; Neuromuscular Junction/*physiology ; Presynaptic Terminals/*physiology/ultrastructure ; Signal Transduction
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    The rf2 nuclear restorer gene of male-sterile T-cytoplasm maize (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-05-31
    Description: The T cytoplasm of maize serves as a model for the nuclear restoration of cytoplasmic male sterility. The rf2 gene, one of two nuclear genes required for fertility restoration in male-sterile T-cytoplasm (cmsT) maize, was cloned. The protein predicted by the rf2 sequence is a putative aldehyde dehydrogenase, which suggests several mechanisms that might explain Rf2-mediated fertility restoration in cmsT maize. Aldehyde dehydrogenase may be involved in the detoxification of acetaldehyde produced by ethanolic fermentation during pollen development, may play a role in energy metabolism, or may interact with URF13, the mitochondrial protein associated with male sterility in cmsT maize.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cui, X -- Wise, R P -- Schnable, P S -- New York, N.Y. -- Science. 1996 May 31;272(5266):1334-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Zoology and Genetics, Iowa State University, Ames, 50011, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8650543" target="_blank"〉PubMed〈/a〉
    Keywords: Acetaldehyde/metabolism ; Aldehyde Dehydrogenase/chemistry/*genetics/metabolism ; Alleles ; Amino Acid Sequence ; Cell Nucleus ; Cloning, Molecular ; Crosses, Genetic ; Cytoplasm/genetics/physiology ; Energy Metabolism ; *Genes, Plant ; Intracellular Membranes/metabolism ; Mitochondria/genetics/metabolism ; *Mitochondrial Proteins ; Molecular Sequence Data ; Nuclear Proteins/chemistry/*genetics/metabolism ; Plant Proteins/genetics/metabolism ; Pollen/physiology ; Zea mays/*genetics/*physiology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Life's last domain (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-08-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morell, V -- New York, N.Y. -- Science. 1996 Aug 23;273(5278):1043-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8711482" target="_blank"〉PubMed〈/a〉
    Keywords: Biological Evolution ; Chromosomes, Bacterial ; Cloning, Molecular ; DNA, Bacterial/*genetics ; Gene Library ; *Genome, Bacterial ; Methane/metabolism ; Methanococcus/classification/*genetics/physiology ; Pressure ; Protein Biosynthesis ; Sequence Analysis, DNA ; Temperature ; Transcription, Genetic
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  • 21
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    Guiding neurons to the cortex (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-11-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barinaga, M -- New York, N.Y. -- Science. 1996 Nov 15;274(5290):1100-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8966585" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/abnormalities/embryology ; Brain Diseases/genetics ; Cell Adhesion Molecules, Neuronal/*genetics/physiology ; Cell Movement ; Cerebral Cortex/cytology/*embryology ; Cloning, Molecular ; Cyclin-Dependent Kinase 5 ; *Cyclin-Dependent Kinases ; Extracellular Matrix Proteins/*genetics/physiology ; Female ; Humans ; Intellectual Disability/genetics ; Male ; Mice ; Mice, Neurologic Mutants ; Nerve Tissue Proteins/genetics/physiology ; Neurons/*physiology ; Protein-Serine-Threonine Kinases/physiology ; Serine Endopeptidases
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  • 22
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    DNA replication fork pause sites dependent on transcription (1996)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1996-05-17
    Description: Replication fork pause (RFP) sites transiently arresting replication fork movement were mapped to transfer RNA (tRNA) genes of Saccharomyces cerevisiae in vivo. RFP sites are polar, stalling replication forks only when they oppose the direction of tRNA transcription. Mutant tRNA genes defective in assembly of transcription initiation complexes and a temperature-sensitive RNA polymerase III mutant (rpc160-41) defective in initiation of transcription do not stall replication forks, suggesting that transcription is required for RFP activity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Deshpande, A M -- Newlon, C S -- GM35679/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1996 May 17;272(5264):1030-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Micobiology and Molecular Genetics, UMDNJ Medical School and UMDNJ-Graduate School of Biomedical Sciences, Newark, NJ 07103, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8638128" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Cloning, Molecular ; *DNA Replication ; Genes, Fungal ; Molecular Sequence Data ; Point Mutation ; RNA Polymerase III/metabolism ; RNA, Fungal/*genetics ; RNA, Transfer/*genetics ; Repetitive Sequences, Nucleic Acid ; Replication Origin ; Saccharomyces cerevisiae/genetics/*metabolism ; Sequence Deletion ; Temperature ; Transcription Factors/metabolism ; *Transcription, Genetic
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  • 23
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    Altered growth and branching patterns in synpolydactyly caused by mutations in HOXD13 (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-04-26
    Description: Hox genes regulate patterning during limb development. It is believed that they function in the determination of the timing and extent of local growth rates. Here, it is demonstrated that synpolydactyly, an inherited human abnormality of the hands and feet, is caused by expansions of a polyalanine stretch in the amino-terminal region of HOXD13. The homozygous phenotype includes the transformation of metacarpal and metatarsal bones to short carpal- and tarsal-like bones. The mutations identify the polyalanine stretch outside of the DNA binding domain of HOXD13 as a region necessary for proper protein function.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Muragaki, Y -- Mundlos, S -- Upton, J -- Olsen, B R -- AR36819/AR/NIAMS NIH HHS/ -- AR36820/AR/NIAMS NIH HHS/ -- New York, N.Y. -- Science. 1996 Apr 26;272(5261):548-51.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8614804" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Chromosome Mapping ; Chromosomes, Human, Pair 2 ; Cloning, Molecular ; Female ; Fingers/*abnormalities/embryology ; *Genes, Homeobox ; Genetic Linkage ; Homeodomain Proteins/chemistry/*genetics/physiology ; Humans ; Male ; Molecular Sequence Data ; Morphogenesis ; Multigene Family ; Mutation ; Pedigree ; Peptides/chemistry ; Polydactyly/embryology/*genetics/radiography ; Polymerase Chain Reaction ; Syndactyly/embryology/*genetics/radiography ; Toes/*abnormalities/embryology ; *Transcription Factors
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    Researchers nail down leptin receptor (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-02-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barinaga, M -- New York, N.Y. -- Science. 1996 Feb 16;271(5251):913.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8584929" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carrier Proteins/biosynthesis/chemistry/*genetics ; Chromosome Mapping ; Cloning, Molecular ; Diabetes Mellitus/*genetics ; Humans ; Leptin ; Mice ; Mutation ; Obesity/*genetics ; Proteins/genetics ; RNA, Messenger/genetics ; Rats ; *Receptors, Cell Surface ; Receptors, Cytokine/biosynthesis/chemistry/*genetics ; Receptors, Leptin
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  • 25
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    Role of the nuclear transport factor p10 in nuclear import (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-04-05
    Description: The nuclear import factor p10 was cloned from Saccharomyces cerevisiae and found to be essential. The protein p10 can bind directly to several peptide repeat-containing nucleoporins. It also binds to the guanosine triphosphatase (GTPase) Ran in its guanosine diphosphate (GDP)-bound form and to karyopherin beta. Assembly of the karyopherin heterodimer on immobilized nucleoporin yielded cooperative binding of p10 and Ran-GDP. Addition of GTP to this pentameric complex led to dissociation of karyopherin (chi, presumably via in situ formation of Ran-GTP from Ran-GDP. Thus, p10 appears to coordinate the Ran-dependent association and dissociation reactions underlying nuclear import.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nehrbass, U -- Blobel, G -- New York, N.Y. -- Science. 1996 Apr 5;272(5258):120-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Cell Biology, Howard Hughes Medical Institute, Rockefeller University, New York 10021, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8600522" target="_blank"〉PubMed〈/a〉
    Keywords: Biological Transport, Active ; Carrier Proteins/genetics/*metabolism ; Cell Nucleus/*metabolism ; Cloning, Molecular ; GTP-Binding Proteins/metabolism ; Guanosine Diphosphate/metabolism ; Guanosine Triphosphate/metabolism ; Molecular Sequence Data ; Nuclear Envelope/metabolism ; Nuclear Proteins/*metabolism ; *Nucleocytoplasmic Transport Proteins ; Saccharomyces cerevisiae/genetics/*metabolism ; Saccharomyces cerevisiae Proteins ; alpha Karyopherins ; beta Karyopherins ; ran GTP-Binding Protein
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  • 26
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    Interfering with apoptosis: Ca(2+)-binding protein ALG-2 and Alzheimer's disease gene ALG-3 (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-01-26
    Description: Two apoptosis-linked genes, named ALG-2 and ALG-3, were identified by means of a functional selection strategy. ALG-2 codes for a Ca(2+)-binding protein required for T cell receptor-, Fas-, and glucocorticoid-induced cell death. ALG-3, a partial complementary DNA that is homologous to the familial Alzheimer's disease gene STM2, rescues a T cell hybridoma from T cell receptor- and Fas-induced apoptosis. These findings suggest that ALG-2 may mediate Ca(2+)-regulated signals along the death pathway and that cell death may play a role in Alzheimer's disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vito, P -- Lacana, E -- D'Adamio, L -- New York, N.Y. -- Science. 1996 Jan 26;271(5248):521-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉T Cell Molecular Biology Unit, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8560270" target="_blank"〉PubMed〈/a〉
    Keywords: Alkaloids/pharmacology ; Alzheimer Disease/*genetics ; Amino Acid Sequence ; Animals ; Antigens, CD95/metabolism ; *Apoptosis/drug effects ; Apoptosis Regulatory Proteins ; Calcium/metabolism ; Calcium-Binding Proteins/chemistry/genetics/*physiology ; Cell Line ; Cloning, Molecular ; DNA, Complementary ; Dactinomycin/pharmacology ; Dexamethasone/pharmacology ; Fas Ligand Protein ; Hybridomas ; Interleukin-2/metabolism ; Membrane Glycoproteins/metabolism ; Membrane Proteins/chemistry/genetics/*physiology ; Mice ; Molecular Sequence Data ; Presenilin-2 ; Receptors, Antigen, T-Cell/physiology ; Signal Transduction ; Staurosporine ; T-Lymphocytes ; Transfection ; Up-Regulation
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    CRINKLY4: A TNFR-like receptor kinase involved in maize epidermal differentiation (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-09-06
    Description: The maize crinkly4 (cr4) mutation affects leaf epidermis differentiation such that cell size and morphology are altered, and surface functions are compromised, allowing graft-like fusions between organs. In the seed, loss of cr4 inhibits aleurone formation in a pattern that reflects the normal progression of differentiation over the developing endosperm surface. The cr4 gene was isolated by transposon tagging and found to encode a putative receptor kinase. The extracellular domain contains a cysteine-rich region similar to the ligand binding domain in mammalian tumor necrosis factor receptors (TNFRs) and seven copies of a previously unknown 39-amino acid repeat. The results suggest a role for cr4 in a differentiation signal.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Becraft, P W -- Stinard, P S -- McCarty, D R -- New York, N.Y. -- Science. 1996 Sep 6;273(5280):1406-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Zoology, Iowa State University, Ames, IA 50011, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8703079" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Cell Differentiation ; Cloning, Molecular ; DNA Transposable Elements ; Genes, Plant ; Molecular Sequence Data ; Mutagenesis ; Phenotype ; Plant Leaves/cytology ; *Plant Proteins ; Protein Kinases/chemistry/genetics/*physiology ; Protein-Serine-Threonine Kinases/chemistry ; Receptors, Tumor Necrosis Factor/chemistry ; Seeds/cytology ; Zea mays/chemistry/*cytology/genetics/growth & development
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    High mutation frequencies among Escherichia coli and Salmonella pathogens (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-11-15
    Description: Here it is reported that the incidence of mutators among isolates of pathogenic Escherichia coli and Salmonella enterica is high (over 1 percent). These findings counter the theory, founded on studies with laboratory-attenuated strains, that suggests mutators are rare among bacterial populations. Defects in methyl-directed mismatch repair underlie all mutator phenotypes described here. Of nine independently derived hypermutable strains, seven contained a defective mutS allele. Because these mutant alleles increase the mutation rate and enhance recombination among diverse species, these studies may help explain both the rapid emergence of antibiotic resistance and the penetrance of virulence genes within the prokaryotic community.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉LeClerc, J E -- Li, B -- Payne, W L -- Cebula, T A -- New York, N.Y. -- Science. 1996 Nov 15;274(5290):1208-11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular Biology Branch, Center for Food Safety and Applied Nutrition (HFS-235), Food and Drug Administration, Washington, DC 20204, USA. tac@vax8.cfsan.fda.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8895473" target="_blank"〉PubMed〈/a〉
    Keywords: *Adenosine Triphosphatases ; Bacterial Proteins/genetics ; Biological Evolution ; Cloning, Molecular ; DNA Repair/genetics ; *DNA-Binding Proteins ; Disease Outbreaks ; Drug Resistance, Microbial/genetics ; Escherichia coli/*genetics/*pathogenicity ; Escherichia coli Infections/epidemiology/microbiology ; Escherichia coli O157/genetics/pathogenicity ; *Escherichia coli Proteins ; Food Microbiology ; Genetic Complementation Test ; Humans ; Molecular Sequence Data ; MutS DNA Mismatch-Binding Protein ; *Mutation ; Phenotype ; Polymerase Chain Reaction ; Recombination, Genetic ; Salmonella/*genetics/*pathogenicity ; Salmonella Food Poisoning/epidemiology/microbiology ; Selection, Genetic ; Sequence Deletion ; Sigma Factor/genetics ; Virulence/genetics
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    Site-directed hydroxyl radical probing of the rRNA neighborhood of ribosomal protein S5 (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-06-14
    Description: Cysteine residues were introduced into three different positions distributed on the surface of ribosomal protein S5, to serve as targets for derivatization with an Fe(II)-ethyl-enediaminetetraacetic acid linker. Hydroxyl radicals generated locally from the tethered Fe(II) in intermediate ribonucleoprotein particles or in 30S ribosomal subunits reconstituted from derivatized S5 caused cleavage of the RNA, resulting in characteristically different cleavage patterns for the three different tethering positions. These findings provide constraints for the three-dimensional folding of 16S ribosomal RNA (rRNA) and for the orientation of S5 in the 30S subunit, and they further suggest that antibiotic resistance and accuracy mutations in S5 may involve perturbation of 16S rRNA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Heilek, G M -- Noller, H F -- New York, N.Y. -- Science. 1996 Jun 14;272(5268):1659-62.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Molecular Biology of RNA, Sinsheimer Laboratories, University of California, Santa Cruz 95064, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8658142" target="_blank"〉PubMed〈/a〉
    Keywords: Anti-Bacterial Agents/pharmacology ; Cloning, Molecular ; Cysteine/chemistry ; Edetic Acid/analogs & derivatives ; Escherichia coli ; Ferrous Compounds/chemistry ; Hydroxyl Radical/*chemistry ; Models, Molecular ; Molecular Probes ; Mutagenesis, Site-Directed ; Nucleic Acid Conformation ; Organometallic Compounds ; Protein Conformation ; RNA, Ribosomal/*chemistry ; RNA, Ribosomal, 16S/chemistry/drug effects ; Ribosomal Proteins/*chemistry/genetics ; Spectinomycin/pharmacology
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    Regulation of rate of cartilage differentiation by Indian hedgehog and PTH-related protein (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-08-02
    Description: Proper regulation of chondrocyte differentiation is necessary for the morphogenesis of skeletal elements, yet little is known about the molecular regulation of this process. A chicken homolog of Indian hedgehog (Ihh), a member of the conserved Hedgehog family of secreted proteins that is expressed during bone formation, has now been isolated. Ihh has biological properties similar to those of Sonic hedgehog (Shh), including the ability to regulate the conserved targets Patched (Ptc) and Gli. Ihh is expressed in the prehypertrophic chondrocytes of cartilage elements, where it regulates the rate of hypertrophic differentiation. Misexpression of Ihh prevents proliferating chondrocytes from initiating the hypertrophic differentiation process. The direct target of Ihh signaling is the perichondrium, where Gli and Ptc flank the expression domain of Ihh. Ihh induces the expression of a second signal, parathyroid hormone-related protein (PTHrP), in the periarticular perichondrium. Analysis of PTHrP (-/-) mutant mice indicated that the PTHrP protein signals to its receptor in the prehypertrophic chondrocytes, thereby blocking hypertrophic differentiation. In vitro application of Hedgehog or PTHrP protein to normal or PTHrP (-/-) limb explants demonstrated that PTHrP mediates the effects of Ihh through the formation of a negative feedback loop that modulates the rate of chondrocyte differentiation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vortkamp, A -- Lee, K -- Lanske, B -- Segre, G V -- Kronenberg, H M -- Tabin, C J -- DK47038/DK/NIDDK NIH HHS/ -- DK4723/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1996 Aug 2;273(5275):613-22.〈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/8662546" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; *Bone Development ; Cartilage/*cytology/metabolism ; Cell Differentiation ; Cell Division ; Chick Embryo ; Cloning, Molecular ; Culture Techniques ; Extremities/embryology ; Feedback ; Gene Expression Regulation ; Growth Plate/*cytology/metabolism ; Hedgehog Proteins ; Mice ; Molecular Sequence Data ; Morphogenesis ; *Osteogenesis ; Parathyroid Hormone ; Parathyroid Hormone-Related Protein ; Phenotype ; Proteins/pharmacology/*physiology ; Receptor, Parathyroid Hormone, Type 1 ; Receptors, Parathyroid Hormone/physiology ; Signal Transduction ; *Trans-Activators
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    Gastric mucosa abnormalities and tumorigenesis in mice lacking the pS2 trefoil protein (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-10-11
    Description: To determine the function of the pS2 trefoil protein, which is normally expressed in the gastric mucosa, the mouse pS2 (mpS2) gene was inactivated. The antral and pyloric gastric mucosa of mpS2-null mice was dysfunctional and exhibited severe hyperplasia and dysplasia. All homozygous mutant mice developed antropyloric adenoma, and 30 percent developed multifocal intraepithelial or intramucosal carcinomas. The small intestine was characterized by enlarged villi and an abnormal infiltrate of lymphoid cells. These results indicate that mpS2 is essential for normal differentiation of the antral and pyloric gastric mucosa and may function as a gastric-specific tumor suppressor gene.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lefebvre, O -- Chenard, M P -- Masson, R -- Linares, J -- Dierich, A -- LeMeur, M -- Wendling, C -- Tomasetto, C -- Chambon, P -- Rio, M C -- New York, N.Y. -- Science. 1996 Oct 11;274(5285):259-62.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut de Genetique et de Biologie Moleculaire et Cellulaire, CNRS/INSERM/Universite Louis Pasteur/College de France, Communaute Urbaine de Strasbourg, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8824193" target="_blank"〉PubMed〈/a〉
    Keywords: Adenoma/etiology/pathology ; Animals ; Base Sequence ; Cell Differentiation ; Cloning, Molecular ; Female ; Gastric Mucosa/cytology/*pathology ; Gene Targeting ; Genes, Tumor Suppressor ; Intestinal Mucosa/cytology/*pathology ; Male ; Mice ; Mice, Inbred C57BL ; Molecular Sequence Data ; Neoplasm Proteins/genetics/*physiology ; Phenotype ; *Proteins ; Pyloric Antrum ; Stomach Neoplasms/*etiology/pathology ; Tumor Suppressor Proteins
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    Arabidopsis AUX1 gene: a permease-like regulator of root gravitropism (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-08-16
    Description: The plant hormone auxin regulates various developmental processes including root formation, vascular development, and gravitropism. Mutations within the AUX1 gene confer an auxin-resistant root growth phenotype and abolish root gravitropic curvature. Polypeptide sequence similarity to amino acid permeases suggests that AUX1 mediates the transport of an amino acid-like signaling molecule. Indole-3-acetic acid, the major form of auxin in higher plants, is structurally similar to tryptophan and is a likely substrate for the AUX1 gene product. The cloned AUX1 gene can restore the auxin-responsiveness of transgenic aux1 roots. Spatially, AUX1 is expressed in root apical tissues that regulate root gravitropic curvature.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bennett, M J -- Marchant, A -- Green, H G -- May, S T -- Ward, S P -- Millner, P A -- Walker, A R -- Schulz, B -- Feldmann, K A -- New York, N.Y. -- Science. 1996 Aug 16;273(5277):948-50.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Sciences, University of Warwick, Coventry, CV4 7AL, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8688077" target="_blank"〉PubMed〈/a〉
    Keywords: 2,4-Dichlorophenoxyacetic Acid/pharmacology ; Amino Acid Sequence ; Amino Acid Transport Systems ; Amino Acids/metabolism ; Arabidopsis/chemistry/*genetics/growth & development/metabolism ; *Arabidopsis Proteins ; Biological Transport ; Cloning, Molecular ; DNA, Bacterial/genetics ; *Genes, Plant ; Genetic Complementation Test ; *Gravitropism ; Indoleacetic Acids/metabolism/pharmacology ; Membrane Transport Proteins/chemistry ; Molecular Sequence Data ; Molecular Weight ; Mutation ; Plant Proteins/chemistry/*genetics/metabolism ; Plant Roots/*growth & development/metabolism ; Sequence Alignment ; Signal Transduction
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    Cdc13p: a single-strand telomeric DNA-binding protein with a dual role in yeast telomere maintenance (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-10-11
    Description: The CDC13 gene has previously been implicated in the maintenance of telomere integrity in Saccharomyces cerevisiae. With the use of two classes of mutations, here it is shown that CDC13 has two discrete roles at the telomere. The cdc13-2est mutation perturbs a function required in vivo for telomerase regulation but not in vitro for enzyme activity, whereas cdc13-1ts defines a separate essential role at the telomere. In vitro, purified Cdc13p binds to single-strand yeast telomeric DNA. Therefore, Cdc13p is a telomere-binding protein required to protect the telomere and mediate access of telomerase to the chromosomal terminus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nugent, C I -- Hughes, T R -- Lue, N F -- Lundblad, V -- New York, N.Y. -- Science. 1996 Oct 11;274(5285):249-52.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Human Genetics and Cell and Molecular Biology Program, Baylor College of Medicine, Houston, TX 77030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8824190" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Base Sequence ; Cloning, Molecular ; Cyclin B ; Cyclins/genetics/*metabolism ; DNA, Fungal/metabolism ; DNA, Single-Stranded/metabolism ; DNA-Binding Proteins/*metabolism ; Fungal Proteins/genetics ; Genes, Fungal ; Molecular Sequence Data ; Mutation ; Phenotype ; Saccharomyces cerevisiae/genetics/*metabolism ; *Saccharomyces cerevisiae Proteins ; Telomerase/genetics/*metabolism ; Telomere/*metabolism
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    A K+ channel worthy of attention (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-09-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hille, B -- New York, N.Y. -- Science. 1996 Sep 20;273(5282):1677.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology and Biophysics, University of Washington, Seattle, 98195-7290, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8830412" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Animals ; Attention/*physiology ; Calcium/*metabolism ; Cloning, Molecular ; Cyclic AMP/metabolism ; Humans ; Norepinephrine/metabolism ; Phosphorylation ; Potassium Channels/metabolism/*physiology ; *Potassium Channels, Calcium-Activated ; Rats ; Small-Conductance Calcium-Activated Potassium Channels
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    Identification of D-peptide ligands through mirror-image phage display (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-03-29
    Description: Genetically encoded libraries of peptides and oligonucleotides are well suited for the identification of ligands for many macromolecules. A major drawback of these techniques is that the resultant ligands are subject to degradation by naturally occurring enzymes. Here, a method is described that uses a biologically encoded library for the identification of D-peptide ligands, which should be resistant to proteolytic degradation. In this approach, a protein is synthesized in the D-amino acid configuration and used to select peptides from a phage display library expressing random L-amino acid peptides. For reasons of symmetry, the mirror images of these phage-displayed peptides interact with the target protein of the natural handedness. The value of this approach was demonstrated by the identification of a cyclic D-peptide that interacts with the Src homology 3 domain of c- SRC. Nuclear magnetic resonance studies indicate that the binding site for this D-peptide partially overlaps the site for the physiological ligands of this domain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schumacher, T N -- Mayr, L M -- Minor, D L Jr -- Milhollen, M A -- Burgess, M W -- Kim, P S -- New York, N.Y. -- Science. 1996 Mar 29;271(5257):1854-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Massachusetts Institute of Technology, Cambridge MA 02142, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8596952" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Bacteriophages ; Base Sequence ; Binding Sites ; Chickens ; Cloning, Molecular ; Gene Library ; Ligands ; Magnetic Resonance Spectroscopy ; Molecular Sequence Data ; Peptides/chemistry/genetics/*metabolism ; Peptides, Cyclic/chemistry/genetics/*metabolism ; Proto-Oncogene Proteins pp60(c-src)/chemistry/*metabolism ; Stereoisomerism ; *src Homology Domains
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    NF-AT-Driven interleukin-4 transcription potentiated by NIP45 (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-12-13
    Description: The induction of cytokine gene transcription is mediated in part by the nuclear factor of activated T cells (NF-AT). Factors involved in the mechanisms of NF-AT-mediated transcription are not well understood. A nuclear factor that interacted with the Rel homology domain (RHD) of NF-ATp was identified with the use of a two-hybrid interaction trap. Designated NIP45 (NF-AT interacting protein), it has minimal similarity to any known genes. Transcripts encoding this factor were enriched in lymphoid tissues and testes. NIP45 synergized with NF-ATp and the proto-oncogene c-Maf to activate the interleukin-4 (IL-4) cytokine promoter; transient overexpression of NIP45 with NF-ATp and c-maf in B lymphoma cells induced measurable endogenous IL-4 protein production. The identification of NIP45 advances our understanding of gene activation of cytokines, critical mediators of the immune response.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hodge, M R -- Chun, H J -- Rengarajan, J -- Alt, A -- Lieberson, R -- Glimcher, L H -- AI37833/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1996 Dec 13;274(5294):1903-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cancer Biology, Harvard School of Public Health and Department of Medicine, Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8943202" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Carrier Proteins/chemistry/genetics/*metabolism ; Cell Line ; Cell Nucleus/metabolism ; Cloning, Molecular ; DNA-Binding Proteins/*metabolism ; Genes, Reporter ; Humans ; Interleukin-4/*genetics ; *Intracellular Signaling Peptides and Proteins ; Male ; Molecular Sequence Data ; NFATC Transcription Factors ; Nuclear Proteins/chemistry/genetics/*metabolism ; Promoter Regions, Genetic ; Recombinant Fusion Proteins/metabolism ; Spleen/metabolism ; Testis/metabolism ; Thymus Gland/metabolism ; Transcription Factors/*metabolism ; *Transcriptional Activation ; Transfection ; Tumor Cells, Cultured
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    Compensatory ahpC gene expression in isoniazid-resistant Mycobacterium tuberculosis (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-06-14
    Description: Mutations that eliminate KatG catalase-peroxidase activity prevent activation of isoniazid and are a major mechanism of resistance to this principal drug for the treatment of Mycobacterium tuberculosis infections. However, the loss of KatG activity in clinical isolates seemed paradoxical because KatG is considered an important factor for the survival of the organism. Expression of either KatG or the recently identified alkyl hydroperoxidase AhpC was sufficient to protect bacilli against the toxic effects of organic peroxides. To survive during infection, isoniazid-resistant KatG mutants have apparently compensated for the loss of KatG catalase-peroxidase activity by a second mutation, resulting in hyperexpression of AhpC.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sherman, D R -- Mdluli, K -- Hickey, M J -- Arain, T M -- Morris, S L -- Barry, C E 3rd -- Stover, C K -- Z01 AI000783-11/Intramural NIH HHS/ -- New York, N.Y. -- Science. 1996 Jun 14;272(5268):1641-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Tuberculosis and Molecular Microbiology, PathoGenesis Corporation, Seattle, Washington 98119, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8658136" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Antitubercular Agents/*pharmacology ; *Bacterial Proteins ; Base Sequence ; Cloning, Molecular ; DNA, Bacterial ; Drug Resistance, Microbial/genetics ; Drug Synergism ; Enzyme Induction ; Gene Expression Regulation, Bacterial ; Hydrogen Peroxide/pharmacology ; Isoniazid/*pharmacology ; Molecular Sequence Data ; Mutation ; Mycobacterium bovis/drug effects/genetics ; Mycobacterium tuberculosis/*drug effects/*genetics ; Oxidoreductases/*genetics ; Peroxidases/biosynthesis/genetics/metabolism ; Peroxiredoxins ; Promoter Regions, Genetic
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    A subfamily of P-type ATPases with aminophospholipid transporting activity (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-06-07
    Description: The appearance of phosphatidylserine on the surface of animal cells triggers phagocytosis and blood coagulation. Normally, phosphatidylserine is confined to the inner leaflet of the plasma membrane by an aminophospholipid translocase, which has now been cloned and sequenced. The bovine enzyme is a member of a previously unrecognized subfamily of P-type adenosine triphosphatases (ATPases) that may have diverged from the primordial enzyme before the separation of the known families of ion-translocating ATPases. Studies in Saccharomyces cerevisiae suggest that aminophospholipid translocation is a general function of members of this family.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tang, X -- Halleck, M S -- Schlegel, R A -- Williamson, P -- New York, N.Y. -- Science. 1996 Jun 7;272(5267):1495-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Amherst College, MA 01002, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8633245" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphatases/chemistry/genetics/isolation & purification/*metabolism ; Adenosine Triphosphate/metabolism ; Amino Acid Sequence ; Animals ; Biological Transport ; Cattle ; Cell Membrane/metabolism ; Chromaffin Granules/enzymology ; Cloning, Molecular ; Molecular Sequence Data ; Molecular Weight ; Phosphatidylcholines/metabolism ; Phosphatidylethanolamines/metabolism ; Phosphatidylserines/metabolism ; Phospholipids/*metabolism ; Sequence Homology, Amino Acid
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    Signal transduction by DR3, a death domain-containing receptor related to TNFR-1 and CD95 (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-11-08
    Description: Tumor necrosis factor receptor-1 (TNFR-1) and CD95 (also called Fas or APO-1) are cytokine receptors that engage the apoptosis pathway through a region of intracellular homology, designated the "death domain." Another death domain-containing member of the TNFR family, death receptor 3 (DR3), was identified and was shown to induce both apoptosis and activation of nuclear factor kappaB. Expression of DR3 appears to be restricted to tissues enriched in lymphocytes. DR3 signal transduction is mediated by a complex of intracellular signaling molecules including TRADD, TRAF2, FADD, and FLICE. Thus, DR3 likely plays a role in regulating lymphocyte homeostasis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chinnaiyan, A M -- O'Rourke, K -- Yu, G L -- Lyons, R H -- Garg, M -- Duan, D R -- Xing, L -- Gentz, R -- Ni, J -- Dixit, V M -- GM-07863/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1996 Nov 8;274(5289):990-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, University of Michigan Medical School, Ann Arbor, MI 48109, USA. Sciences Inc., 9620 Medical Center Driv.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8875942" target="_blank"〉PubMed〈/a〉
    Keywords: *Adaptor Proteins, Signal Transducing ; Amino Acid Sequence ; Antigens, CD95/chemistry/physiology ; *Apoptosis ; Carrier Proteins/metabolism ; Caspase 8 ; Caspase 9 ; *Caspases ; Cloning, Molecular ; Cysteine Endopeptidases/metabolism ; Fas-Associated Death Domain Protein ; Gene Library ; Humans ; Lymphocytes ; Molecular Sequence Data ; NF-kappa B/*physiology ; Organ Specificity ; Proteins/metabolism ; RNA, Messenger/analysis/genetics ; Receptors, Tumor Necrosis Factor/chemistry/genetics/*physiology ; Receptors, Tumor Necrosis Factor, Member 25 ; Sequence Alignment ; *Signal Transduction ; TNF Receptor-Associated Factor 1 ; TNF Receptor-Associated Factor 2 ; Transfection ; Tumor Cells, Cultured
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    The cytolytic P2Z receptor for extracellular ATP identified as a P2X receptor (P2X7) (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-05-03
    Description: The P2Z receptor is responsible for adenosine triphosphate (ATP)-dependent lysis of macrophages through the formation of membrane pores permeable to large molecules. Other ATP-gated channels, the P2X receptors, are permeable only to small cations. Here, an ATP receptor, the P2X7 receptor, was cloned from rat brain and exhibited both these properties. This protein is homologous to other P2X receptors but has a unique carboxyl-terminal domain that was required for the lytic actions of ATP. Thus, the P2X7 (or P2Z) receptor is a bifunctional molecule that could function in both fast synaptic transmission and the ATP-mediated lysis of antigen-presenting cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Surprenant, A -- Rassendren, F -- Kawashima, E -- North, R A -- Buell, G -- New York, N.Y. -- Science. 1996 May 3;272(5262):735-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Glaxo Institute for Molecular Biology, Geneva, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8614837" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphate/analogs & derivatives/*metabolism/pharmacology ; Amino Acid Sequence ; Animals ; Base Sequence ; Cations, Divalent/pharmacology ; Cell Death ; Cell Line ; Cloning, Molecular ; DNA, Complementary/genetics ; Electric Conductivity ; Humans ; Ion Channels/physiology ; Mice ; Molecular Sequence Data ; Patch-Clamp Techniques ; Rats ; Receptors, Purinergic P2/chemistry/genetics/*physiology ; Receptors, Purinergic P2X7 ; Transfection
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    Researchers find the reset button for the fruit fly clock (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-03-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barinaga, M -- New York, N.Y. -- Science. 1996 Mar 22;271(5256):1671-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8596926" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Clocks/genetics ; *Circadian Rhythm/genetics ; Cloning, Molecular ; *Drosophila Proteins ; Drosophila melanogaster/genetics/*physiology ; Gene Expression Regulation ; Genes, Insect ; *Light ; Mutation ; Nuclear Proteins/genetics/*metabolism ; Period Circadian Proteins ; Proteins/genetics/*metabolism ; RNA, Messenger/genetics/metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    No "End of History" for photolyases (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-04-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sancar, A -- New York, N.Y. -- Science. 1996 Apr 5;272(5258):48-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Biophysics, University of Nor Carolina School of Medicine, Chapel Hill, 27599, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8600535" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cloning, Molecular ; Cryptochromes ; DNA/*metabolism/radiation effects ; DNA Damage ; DNA Repair ; Deoxyribodipyrimidine Photo-Lyase/chemistry/genetics/*metabolism ; Drosophila/enzymology/genetics ; *Drosophila Proteins ; *Eye Proteins ; *Flavoproteins ; Humans ; *Photoreceptor Cells, Invertebrate ; Plant Proteins/chemistry/metabolism ; Pyrimidine Dimers/*metabolism ; Receptors, G-Protein-Coupled ; Signal Transduction ; Ultraviolet Rays
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    TAB1: an activator of the TAK1 MAPKKK in TGF-beta signal transduction (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-05-24
    Description: Transforming growth factor-beta (TGF-beta) regulates many aspects of cellular function. A member of the mitogen-activated protein kinase kinase kinase (MAPKKK) family, TAK1, was previously identified as a mediator in the signaling pathway of TGF-beta superfamily members. The yeast two-hybrid system has now revealed two human proteins, termed TAB1 and TAB2 (for TAK1 binding protein), that interact with TAK1. TAB1 and TAK1 were co-immunoprecipitated from mammalian cells. Overproduction of TAB1 enhanced activity of the plasminogen activator inhibitor 1 gene promoter, which is regulated by TGF-beta, and increased the kinase activity of TAK1. TAB1 may function as an activator of the TAK1 MAPKKK in TGF-beta signal transduction.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shibuya, H -- Yamaguchi, K -- Shirakabe, K -- Tonegawa, A -- Gotoh, Y -- Ueno, N -- Irie, K -- Nishida, E -- Matsumoto, K -- New York, N.Y. -- Science. 1996 May 24;272(5265):1179-82.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8638164" target="_blank"〉PubMed〈/a〉
    Keywords: *Adaptor Proteins, Signal Transducing ; Amino Acid Sequence ; Animals ; Base Sequence ; Carrier Proteins/chemistry/*metabolism ; Cell Line ; Cloning, Molecular ; Enzyme Activation ; Genes, Reporter ; Humans ; *Intracellular Signaling Peptides and Proteins ; *MAP Kinase Kinase Kinases ; Mice ; Molecular Sequence Data ; Plasminogen Activator Inhibitor 1/genetics ; Promoter Regions, Genetic ; Protein-Serine-Threonine Kinases/*metabolism ; Recombinant Fusion Proteins/metabolism ; Saccharomyces cerevisiae/genetics/metabolism ; *Signal Transduction ; Transfection ; Transformation, Genetic ; Transforming Growth Factor beta/*metabolism
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    An RNA polymerase II elongation factor encoded by the human ELL gene (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-03-29
    Description: The human ELL gene on chromosome 19 undergoes frequent translocations with the trithorax-like MLL gene on chromosome 11 in acute myeloid leukemias. Here, ELL was shown to encode a previously uncharacterized elongation factor that can increase the catalytic rate of RNA polymerase II transcription by suppressing transient pausing by polymerase at multiple sites along the DNA. Functionally, ELL resembles Elongin (SIII), a transcription elongation factor regulated by the product of the von Hippel-Lindau (VHL) tumor suppressor gene. The discovery of a second elongation factor implicated in oncogenesis provides further support for a close connection between the regulation of transcription elongation and cell growth.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shilatifard, A -- Lane, W S -- Jackson, K W -- Conaway, R C -- Conaway, J W -- GM41628/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1996 Mar 29;271(5257):1873-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Program in Molecular and Cell Biology, Oklahoma Medical Research Foundation, Oklahoma City, 73104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8596958" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cloning, Molecular ; DNA-Binding Proteins/chemistry/*genetics/metabolism ; Genes, Tumor Suppressor ; Histone-Lysine N-Methyltransferase ; Humans ; Leukemia/genetics ; Molecular Sequence Data ; Myeloid-Lymphoid Leukemia Protein ; *Neoplasm Proteins ; *Peptide Elongation Factors ; *Proto-Oncogenes ; RNA Polymerase II/*metabolism ; RNA, Messenger/genetics/metabolism ; Rats ; Recombinant Proteins/metabolism ; Transcription Factors/chemistry/*genetics/metabolism ; Transcription, Genetic ; Transcriptional Elongation Factors ; Translocation, Genetic ; von Hippel-Lindau Disease/genetics
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    Sequence similarity between the 73-kilodalton protein of mammalian CPSF and a subunit of yeast polyadenylation factor I (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-11-29
    Description: The 3' ends of most eukaryotic messenger RNAs are generated by endonucleolytic cleavage and polyadenylation. In mammals, the cleavage and polyadenylation specificity factor (CPSF) plays a central role in both steps of the processing reaction. Here, the cloning of the 73-kilodalton subunit of CPSF is reported. Sequence analyses revealed that a yeast protein (Ysh1) was highly similar to the 73-kD polypeptide. Ysh1 constitutes a new subunit of polyadenylation factor I (PFI), which has a role in yeast pre-mRNA 3'-end formation. This finding was unexpected because in contrast to CPSF, PFI is only required for the polyadenylation reaction. These results contribute to the understanding of how 3'-end processing factors may have evolved.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jenny, A -- Minvielle-Sebastia, L -- Preker, P J -- Keller, W -- New York, N.Y. -- Science. 1996 Nov 29;274(5292):1514-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, Biozentrum, University of Basel, CH-4056 Basel, Switzerland. Keller2@ubaclu.unibas.ch〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8929409" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Line ; Cloning, Molecular ; Evolution, Molecular ; Fungal Proteins/*chemistry/genetics/metabolism ; Humans ; Molecular Sequence Data ; Molecular Weight ; Poly A/metabolism ; Polynucleotide Adenylyltransferase/metabolism ; RNA Precursors/metabolism ; RNA Processing, Post-Transcriptional ; RNA, Fungal/metabolism ; RNA, Messenger/metabolism ; RNA-Binding Proteins/*chemistry/genetics/metabolism ; Sequence Homology, Amino Acid ; mRNA Cleavage and Polyadenylation Factors
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    Molecular cloning and disease association of hepatitis G virus: a transfusion-transmissible agent (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-01-26
    Description: An RNA virus, designated hepatitis G virus (HGV), was identified from the plasma of a patient with chronic hepatitis. Extension from an immunoreactive complementary DNA clone yielded the entire genome (9392 nucleotides) encoding a polyprotein of 2873 amino acids. The virus is closely related to GB virus C (GBV-C) and distantly related to hepatitis C virus, GBV-A, and GBV-B. HGV was associated with acute and chronic hepatitis. Persistent viremia was detected for up to 9 years in patients with hepatitis. The virus is transfusion-transmissible. It has a global distribution and is present within the volunteer blood donor population in the United States.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Linnen, J -- Wages, J Jr -- Zhang-Keck, Z Y -- Fry, K E -- Krawczynski, K Z -- Alter, H -- Koonin, E -- Gallagher, M -- Alter, M -- Hadziyannis, S -- Karayiannis, P -- Fung, K -- Nakatsuji, Y -- Shih, J W -- Young, L -- Piatak, M Jr -- Hoover, C -- Fernandez, J -- Chen, S -- Zou, J C -- Morris, T -- Hyams, K C -- Ismay, S -- Lifson, J D -- Hess, G -- Foung, S K -- Thomas, H -- Bradley, D -- Margolis, H -- Kim, J P -- New York, N.Y. -- Science. 1996 Jan 26;271(5248):505-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Genelabs Technologies, Redwood City, CA 94063, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8560265" target="_blank"〉PubMed〈/a〉
    Keywords: Acute Disease ; Amino Acid Sequence ; Base Sequence ; Blood Donors ; Blood Transfusion/*adverse effects ; Blood-Borne Pathogens ; Chronic Disease ; Cloning, Molecular ; Consensus Sequence ; Disease Transmission, Infectious ; Flaviviridae/genetics ; Genome, Viral ; Hepatitis Viruses/chemistry/*genetics/isolation & purification ; Hepatitis, Viral, Human/epidemiology/transmission/*virology ; Humans ; Molecular Sequence Data ; Polymerase Chain Reaction ; RNA Viruses/chemistry/*genetics/isolation & purification ; RNA, Viral/blood/genetics ; Sequence Alignment ; United States/epidemiology ; Viral Proteins/chemistry/genetics ; Viremia/epidemiology/virology
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    Interaction between a putative mechanosensory membrane channel and a collagen (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-07-19
    Description: The degenerin family of proteins in Caenorhabditis elegans is homologous to subunits of the mammalian amiloride-sensitive epithelial sodium channels. Mutations in nematode degenerins cause cell death, probably because of defects in channel function. Genetic evidence was obtained that the unc-105 gene product represents a degenerin homolog affecting C. elegans muscles and that this putative channel interacts with type IV collagen in the extracellular matrix underlying the muscle cell. This interaction may serve as a mechanism of stretch-activated muscle contraction, and this system could provide a molecular model for the activation of mechanosensitive ion channels.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, J -- Schrank, B -- Waterston, R H -- GM23883/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1996 Jul 19;273(5273):361-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Washington University School of Medicine, St. Louis, MO 63110, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8662524" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Amino Acid Sequence ; Animals ; Base Sequence ; Caenorhabditis elegans/chemistry/genetics/*metabolism ; *Caenorhabditis elegans Proteins ; Cloning, Molecular ; Collagen/*metabolism ; Extracellular Matrix/metabolism ; Genes, Helminth ; Genetic Complementation Test ; Helminth Proteins/chemistry/genetics/*metabolism/*physiology ; Ion Channel Gating ; Models, Biological ; Molecular Sequence Data ; Muscle Contraction ; Muscles/physiology ; Mutation ; Sensation ; Signal Transduction ; Sodium Channels/chemistry/genetics/*metabolism/*physiology ; Suppression, Genetic
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    HIV quasispecies and resampling (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-07-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, S L -- Rodrigo, A G -- Shankarappa, R -- Learn, G H -- Hsu, L -- Davidov, O -- Zhao, L P -- Mullins, J I -- New York, N.Y. -- Science. 1996 Jul 26;273(5274):415-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8677432" target="_blank"〉PubMed〈/a〉
    Keywords: Cloning, Molecular ; DNA, Viral/genetics ; *Genetic Variation ; HIV/classification/*genetics ; Humans ; Leukocytes, Mononuclear/virology ; Polymerase Chain Reaction ; Probability ; Sample Size ; Sequence Analysis, DNA
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    Interleukin-1 research (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-09-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hopp, T P -- New York, N.Y. -- Science. 1996 Sep 27;273(5283):1781.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8815535" target="_blank"〉PubMed〈/a〉
    Keywords: Cloning, Molecular ; *Interleukin-1/chemistry/genetics/isolation & purification ; *Research
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    Accessing genetic information with high-density DNA arrays (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-10-25
    Description: Rapid access to genetic information is central to the revolution taking place in molecular genetics. The simultaneous analysis of the entire human mitochondrial genome is described here. DNA arrays containing up to 135,000 probes complementary to the 16.6-kilobase human mitochondrial genome were generated by light-directed chemical synthesis. A two-color labeling scheme was developed that allows simultaneous comparison of a polymorphic target to a reference DNA or RNA. Complete hybridization patterns were revealed in a matter of minutes. Sequence polymorphisms were detected with single-base resolution and unprecedented efficiency. The methods described are generic and can be used to address a variety of questions in molecular genetics including gene expression, genetic linkage, and genetic variability.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chee, M -- Yang, R -- Hubbell, E -- Berno, A -- Huang, X C -- Stern, D -- Winkler, J -- Lockhart, D J -- Morris, M S -- Fodor, S P -- 5RO1HG00813/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 1996 Oct 25;274(5287):610-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Affymetrix, 3380 Central Expressway, Santa Clara, CA 95051, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8849452" target="_blank"〉PubMed〈/a〉
    Keywords: Algorithms ; Base Composition ; Base Sequence ; Cloning, Molecular ; DNA, Mitochondrial/*genetics ; Fluorescein ; Fluoresceins ; Gene Expression ; Genetic Variation ; *Genome ; Humans ; Mitochondria/*genetics ; *Nucleic Acid Hybridization ; *Oligonucleotide Probes ; Phycoerythrin ; Polymerase Chain Reaction ; Polymorphism, Genetic ; Sequence Analysis, DNA
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    A mammalian histone deacetylase related to the yeast transcriptional regulator Rpd3p (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-04-19
    Description: Trapoxin is a microbially derived cyclotetrapeptide that inhibits histone deacetylation in vivo and causes mammalian cells to arrest in the cell cycle. A trapoxin affinity matrix was used to isolate two nuclear proteins that copurified with histone deacetylase activity. Both proteins were identified by peptide microsequencing, and a complementary DNA encoding the histone deacetylase catalytic subunit (HD1) was cloned from a human Jurkat T cell library. As the predicted protein is very similar to the yeast transcriptional regulator Rpd3p, these results support a role for histone deacetylase as a key regulator of eukaryotic transcription.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Taunton, J -- Hassig, C A -- Schreiber, S L -- New York, N.Y. -- Science. 1996 Apr 19;272(5260):408-11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Harvard University, Cambridge, MA 02138, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8602529" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Anti-Bacterial Agents/metabolism/pharmacology ; Cattle ; Cell Cycle/drug effects ; Cloning, Molecular ; Enzyme Inhibitors/metabolism/pharmacology ; Fungal Proteins/chemistry/genetics/*metabolism ; *Gene Expression Regulation ; Histone Deacetylase Inhibitors ; Histone Deacetylases/chemistry/genetics/isolation & purification/*metabolism ; Humans ; Hydroxamic Acids/metabolism/pharmacology ; Molecular Sequence Data ; Molecular Weight ; *Peptides ; Saccharomyces cerevisiae ; Saccharomyces cerevisiae Proteins ; T-Lymphocytes/enzymology ; Transcription Factors/chemistry/genetics/isolation & purification/*metabolism ; *Transcription, Genetic ; Tumor Cells, Cultured
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    GS28, a 28-kilodalton Golgi SNARE that participates in ER-Golgi transport (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-05-24
    Description: Little is known about the integral membrane proteins that participate in the early secretory pathway of mammalian cells. The complementary DNA encoding a 28-kilodalton protein (p28) of the cis-Golgi was cloned and sequenced. The protein was predicted to contain a central coiled-coil domain with a carboxyl-terminal membrane anchor. An in vitro assay for endoplasmic reticulum-Golgi transport was used to show that p28 participates in the docking and fusion stage of this transport event. Biochemical studies established that p28 is a core component of the Golgi SNAP receptor (SNARE) complex.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Subramaniam, V N -- Peter, F -- Philp, R -- Wong, S H -- Hong, W -- New York, N.Y. -- Science. 1996 May 24;272(5265):1161-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Membrane Biology Laboratory, Institute of Molecular and Cell Biology, National University of Singapore.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8638159" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Biological Transport ; Carrier Proteins/analysis ; Cell Line ; Cloning, Molecular ; DNA, Complementary/genetics ; Egtazic Acid/pharmacology ; Endoplasmic Reticulum/*metabolism ; Golgi Apparatus/*chemistry/metabolism ; *Membrane Glycoproteins ; Membrane Proteins/analysis/*chemistry/genetics/isolation & ; purification/*metabolism ; Molecular Sequence Data ; N-Ethylmaleimide-Sensitive Proteins ; SNARE Proteins ; Soluble N-Ethylmaleimide-Sensitive Factor Attachment Proteins ; *Vesicular Transport Proteins ; Vesicular stomatitis Indiana virus ; Viral Envelope Proteins/metabolism
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    Probing flowers' genetic past (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-09-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roush, W -- New York, N.Y. -- Science. 1996 Sep 6;273(5280):1339.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8801629" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/*genetics/growth & development ; Cloning, Molecular ; *Genes, Plant
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Complementary DNA for 12-kilodalton B cell growth factor: misassigned (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-10-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kovanen, P E -- Harju, L -- Timonen, T -- New York, N.Y. -- Science. 1996 Oct 25;274(5287):629-31.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8928011" target="_blank"〉PubMed〈/a〉
    Keywords: Cells, Cultured ; Cloning, Molecular ; DNA Probes ; DNA, Complementary/*genetics ; Humans ; Interleukin-4/*genetics ; Leukocytes, Mononuclear/chemistry ; Lymphocyte Activation ; Lymphokines/*genetics ; Molecular Sequence Data ; RNA Probes ; RNA, Messenger/genetics ; Repetitive Sequences, Nucleic Acid
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Similarity among the Drosophila (6-4)photolyase, a human photolyase homolog, and the DNA photolyase-blue-light photoreceptor family (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-04-05
    Description: Ultraviolet light (UV)-induced DNA damage can be repaired by DNA photolyase in a light-dependent manner. Two types of photolyase are known, one specific for cyclobutane pyrimidine dimers (CPD photolyase) and another specific for pyrimidine (6-4) pyrimidone photoproducts[(6-4)photolyase]. In contrast to the CPD photolyase, which has been detected in a wide variety of organisms, the (6-4)photolyase has been found only in Drosophila melanogaster. In the present study a gene encoding the Drosophila(6-4)photolyase ws cloned, and the deduced amino acid sequence of the product was found to be similar to the CPD photolyase and to the blue-light photoreceptor of plants. A homolog of the Drosophila (6-4)photolyase gene was also cloned from human cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Todo, T -- Ryo, H -- Yamamoto, K -- Toh, H -- Inui, T -- Ayaki, H -- Nomura, T -- Ikenaga, M -- New York, N.Y. -- Science. 1996 Apr 5;272(5258):109-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Radiation Biology Center, Kyoto University, Kyoto, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8600518" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cloning, Molecular ; DNA Repair ; DNA, Complementary/genetics ; Deoxyribodipyrimidine Photo-Lyase/*chemistry/genetics/metabolism ; Drosophila melanogaster/*enzymology/genetics ; Flavin-Adenine Dinucleotide/metabolism ; Genes, Insect ; Humans ; Light ; Molecular Sequence Data ; Photoreceptor Cells, Invertebrate/*chemistry ; Plant Proteins/*chemistry ; Recombinant Proteins/chemistry/metabolism ; Sequence Alignment ; Ultraviolet Rays
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    Purification and molecular cloning of Plx1, a Cdc25-regulatory kinase from Xenopus egg extracts (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-09-06
    Description: Cdc2, the cyclin-dependent kinase that controls mitosis, is negatively regulated by phosphorylation on its threonine-14 and tyrosine-15 residues. Cdc25, the phosphatase that dephosphorylates both of these residues, undergoes activation and phosphorylation by multiple kinases at mitosis. Plx1, a kinase that associates with and phosphorylates the amino-terminal domain of Cdc25, was purified extensively from Xenopus egg extracts. Cloning of its complementary DNA revealed that Plx1 is related to the Polo family of protein kinases. Recombinant Plx1 phosphorylated Cdc25 and stimulated its activity in a purified system. Cdc25 phosphorylated by Plx1 reacted strongly with MPM-2, a monoclonal antibody to mitotic phosphoproteins. These studies indicate that Plx1 may participate in control of mitotic progression.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kumagai, A -- Dunphy, W G -- New York, N.Y. -- Science. 1996 Sep 6;273(5280):1377-80.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biology, 216-76, Howard Hughes Medical Institute, 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/8703070" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; CDC2 Protein Kinase/metabolism ; Cell Cycle Proteins/chemistry/*metabolism ; Cloning, Molecular ; Cyclins/metabolism ; Enzyme Activation ; Molecular Sequence Data ; Mutation ; Oocytes/enzymology ; Peptide Mapping ; Phosphoprotein Phosphatases/chemistry/*metabolism ; Phosphorylation ; Phosphoserine/analysis ; Phosphothreonine/analysis ; Protein-Serine-Threonine Kinases/chemistry/genetics/*isolation & ; purification/metabolism ; Recombinant Proteins/metabolism ; Xenopus ; *Xenopus Proteins ; cdc25 Phosphatases
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    Enzymatic synthesis of a quorum-sensing autoinducer through use of defined substrates (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-06-14
    Description: Many bacteria, including several pathogens of plants and humans, use a pheromone called an autoinducer to regulate gene expression in a cell density-dependent manner. Agrobacterium autoinducer [AAI, N-(3-oxo-octanoyl)-L-homoserine lactone] of A. tumefaciens is synthesized by the Tral protein, which is encoded by the tumor-inducing plasmid. Purified hexahistidinyl-Tral (H6-Tral) used S-adenosylmethionine to make the homoserine lactone moiety of AAI, but did not use related compounds. H6-Tral used 3-oxo-octanoyl-acyl carrier protein to make the 3-oxo-octanoyl moiety of AAI, but did not use 3-oxo-octanoyl-coenzyme A. These results demonstrate the enzymatic synthesis of an autoinducer through the use of purified substrates.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉More, M I -- Finger, L D -- Stryker, J L -- Fuqua, C -- Eberhard, A -- Winans, S C -- GM42893/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1996 Jun 14;272(5268):1655-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Microbiology, Cornell University, Ithaca, New York 14853, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8658141" target="_blank"〉PubMed〈/a〉
    Keywords: 3-Oxoacyl-(Acyl-Carrier-Protein) Synthase/antagonists & inhibitors/metabolism ; Acyl Carrier Protein/metabolism ; Agrobacterium tumefaciens/*genetics/metabolism ; Base Sequence ; Cerulenin/pharmacology ; Chromatography, Gel ; Chromatography, High Pressure Liquid ; Cloning, Molecular ; DNA Helicases/*metabolism ; DNA Primers ; Escherichia coli ; Escherichia coli Proteins ; Fatty Acids/metabolism ; *Gene Expression Regulation, Bacterial/drug effects ; Homoserine/*analogs & derivatives/biosynthesis ; Malonyl Coenzyme A/metabolism ; Molecular Sequence Data ; NADP/metabolism ; Plasmids ; S-Adenosylmethionine/metabolism
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    Phenotypes of mouse diabetes and rat fatty due to mutations in the OB (leptin) receptor (1996)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1996-02-16
    Description: Mice harboring mutations in the obese (ob) and diabetes (db) genes display similar phenotypes, and it has been proposed that these genes encode the ligand and receptor, respectively, for a physiologic pathway that regulates body weight. The cloning of ob, and the demonstration that it encodes a secreted protein (leptin) that binds specifically to a receptor (OB-R) in the brain, have validated critical aspects of this hypothesis. Here it is shown by genetic mapping and genomic analysis that mouse db, rat fatty (a homolog of db), and the gene encoding the OB-R are the same gene.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chua, S C Jr -- Chung, W K -- Wu-Peng, X S -- Zhang, Y -- Liu, S M -- Tartaglia, L -- Leibel, R L -- DK26687/DK/NIDDK NIH HHS/ -- DK47473/DK/NIDDK NIH HHS/ -- HD28047/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1996 Feb 16;271(5251):994-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Human Behavior and Metabolism, Rockefeller University, New York 10021, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8584938" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Blotting, Southern ; Carrier Proteins/*genetics ; Chromosome Mapping ; Cloning, Molecular ; DNA Mutational Analysis ; Diabetes Mellitus/*genetics ; Genetic Markers ; Leptin ; Mice ; Mice, Inbred C57BL ; Mice, Inbred Strains ; Molecular Sequence Data ; Obesity/*genetics ; Phenotype ; Polymerase Chain Reaction ; Proteins/genetics ; Rats ; Rats, Inbred Strains ; *Receptors, Cell Surface ; Receptors, Cytokine/*genetics ; Receptors, Leptin
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    PTH/PTHrP receptor in early development and Indian hedgehog-regulated bone growth (1996)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1996-08-02
    Description: The PTH/PTHrP receptor binds to two ligands with distinct functions: the calcium-regulating hormone, parathyroid hormone (PTH), and the paracrine factor, PTH-related protein (PTHrP). Each ligand, in turn, is likely to activate more than one receptor. The functions of the PTH/PTHrP receptor were investigated by deletion of the murine gene by homologous recombination. Most PTH/PTHrP receptor (-/-) mutant mice died in mid-gestation, a phenotype not observed in PTHrP (-/-) mice, perhaps because of the effects of maternal PTHrP. Mice that survived exhibited accelerated differentiation of chondrocytes in bone, and their bones, grown in explant culture, were resistant to the effects of PTHrP and Sonic hedgehog. These results suggest that the PTH/PTHrP receptor mediates the effects of Indian Hedgehog and PTHrP on chondrocyte differentiation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lanske, B -- Karaplis, A C -- Lee, K -- Luz, A -- Vortkamp, A -- Pirro, A -- Karperien, M -- Defize, L H -- Ho, C -- Mulligan, R C -- Abou-Samra, A B -- Juppner, H -- Segre, G V -- Kronenberg, H M -- DK 47038/DK/NIDDK NIH HHS/ -- DK 47237/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1996 Aug 2;273(5275):663-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Endocrine Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8662561" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Bone Development ; Cartilage/*cytology/metabolism ; Cell Differentiation ; Cell Division ; Cloning, Molecular ; Culture Techniques ; Feedback ; Gene Deletion ; Gene Targeting ; Growth Plate/*cytology/metabolism ; Hedgehog Proteins ; Mice ; Mice, Inbred C57BL ; Osteoblasts/cytology ; *Osteogenesis ; Parathyroid Hormone ; Parathyroid Hormone-Related Protein ; Protein Biosynthesis ; Proteins/pharmacology/physiology ; Receptor, Parathyroid Hormone, Type 1 ; Receptors, Parathyroid Hormone/genetics/*physiology ; Stem Cells ; *Trans-Activators
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    The immunological evolution of catalysis (1996)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1996-02-23
    Description: The germline genes used by the mouse to generate the esterolytic antibody 48G7 were cloned and expressed in an effort to increase our understanding of the detailed molecular mechanisms by which the immune system evolves catalytic function. The nine replacement mutations that were fixed during affinity maturation increased affinity for the transition state analogue by a factor of 10(4), primarily the result of a decrease in the dissociation rate of the hapten-antibody complex. There was a corresponding increase in the rate of reaction of antibody with substrate, k(cat)/k(m), from 1.7 x 10(2)M(-1) min(-1) to 1.4 x 10(4)M(-1) min(-1). The three-dimensional crystal structure of the 48G7-transition state analogue complex at 2.0 angstroms resolution indicates that one of the nine residues in which somatic mutations have been fixed directly contact the hapten. Thus, in the case of 48G7, affinity maturation appears to play a conformational role, either in reorganizing the active site geometry of limiting side-chain and backbone flexibility of the germline antibody. The crystal structure and analysis of somatic and directed active site mutants underscore the role of transition state stabilization in the evolution of this catalytic antibody.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Patten, P A -- Gray, N S -- Yang, P L -- Marks, C B -- Wedemayer, G J -- Boniface, J J -- Stevens, R C -- Schultz, P G -- R01 AL24695/PHS HHS/ -- New York, N.Y. -- Science. 1996 Feb 23;271(5252):1086-91.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Chemistry, University of California, Berkeley, CA 94720, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8599084" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antibodies, Catalytic/chemistry/genetics/*immunology/metabolism ; Antibody Affinity ; Antigen-Antibody Complex ; Antigen-Antibody Reactions ; Base Sequence ; Binding Sites ; Catalysis ; Cloning, Molecular ; Crystallization ; Crystallography, X-Ray ; *Evolution, Molecular ; Genes, Immunoglobulin ; Haptens/immunology ; Immunoglobulin Fab Fragments/genetics/immunology ; Immunoglobulin Heavy Chains/genetics/immunology ; Immunoglobulin Light Chains/genetics/immunology ; Mice ; Molecular Sequence Data ; Mutation ; Protein Conformation
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    A cellular homolog of hepatitis delta antigen: implications for viral replication and evolution (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-10-04
    Description: Hepatitis delta virus (HDV) is a pathogenic human virus whose RNA genome and replication cycle resemble those of plant viroids. However, viroid genomes contain no open reading frames, whereas HDV RNA encodes a single protein, hepatitis delta antigen (HDAg), which is required for viral replication. A cellular gene whose product interacts with HDAg has now been identified, and this interaction was found to affect viral genomic replication in intact cells. DNA sequence analysis revealed that this protein, termed delta-interacting protein A (DIPA), is a cellular homolog of HDAg. These observations demonstrate that a host gene product can modulate HDV replication and suggest that HDV may have evolved from a primitive viroidlike RNA through capture of a cellular transcript.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brazas, R -- Ganem, D -- New York, N.Y. -- Science. 1996 Oct 4;274(5284):90-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology, University of California, San Francisco, CA 94143, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8810253" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing ; Amino Acid Sequence ; *Biological Evolution ; Carrier Proteins/*chemistry/genetics/metabolism ; Cell Line ; Cloning, Molecular ; Genome, Viral ; Hepatitis Antigens/*chemistry/genetics/*metabolism ; Hepatitis Delta Virus/*genetics/physiology ; Hepatitis delta Antigens ; Humans ; Liver/chemistry ; Molecular Sequence Data ; RNA, Messenger/genetics ; RNA, Viral/genetics ; Repressor Proteins ; Sequence Alignment ; Transfection ; Tumor Cells, Cultured ; Viroids/genetics ; Virus Replication
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    Small peptides as potent mimetics of the protein hormone erythropoietin (1996)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1996-07-26
    Description: Random phage display peptide libraries and affinity selective methods were used to isolate small peptides that bind to and activate the receptor for the cytokine erythropoietin (EPO). In a panel of in vitro biological assays, the peptides act as full agonists and they can also stimulate erythropoiesis in mice. These agonists are represented by a 14- amino acid disulfide-bonded, cyclic peptide with the minimum consensus sequence YXCXXGPXTWXCXP, where X represents positions allowing occupation by several amino acids. The amino acid sequences of these peptides are not found in the primary sequence of EPO. The signaling pathways activated by these peptides appear to be identical to those induced by the natural ligand. This discovery may form the basis for the design of small molecule mimetics of EPO.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wrighton, N C -- Farrell, F X -- Chang, R -- Kashyap, A K -- Barbone, F P -- Mulcahy, L S -- Johnson, D L -- Barrett, R W -- Jolliffe, L K -- Dower, W J -- New York, N.Y. -- Science. 1996 Jul 26;273(5274):458-64.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Affymax Research Institute, 4001 Miranda Avenue, Palo Alto, CA 94304, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8662529" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Bacteriophages ; Cell Division/drug effects ; Cell Line ; Cloning, Molecular ; Erythropoiesis/drug effects ; Erythropoietin/chemistry/*metabolism/*pharmacology ; Humans ; Ligands ; Mice ; *Molecular Mimicry ; Molecular Sequence Data ; Mutagenesis ; Peptides, Cyclic/chemistry/*metabolism/*pharmacology ; Phosphorylation ; Protein Structure, Secondary ; Receptors, Erythropoietin/*agonists/chemistry/*metabolism ; Recombinant Fusion Proteins/chemistry/metabolism ; Signal Transduction ; Solubility ; Tyrosine/metabolism
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    Human homolog of patched, a candidate gene for the basal cell nevus syndrome (1996)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1996-06-14
    Description: The basal cell nevus syndrome (BCNS) is characterized by developmental abnormalities and by the postnatal occurrence of cancers, especially basal cell carcinomas (BCCs), the most common human cancer. Heritable mutations in BCNS patients and a somatic mutation in a sporadic BCC were identified in a human homolog of the Drosophila patched (ptc) gene. The ptc gene encodes a transmembrane protein that in Drosophila acts in opposition to the Hedgehog signaling protein, controlling cell fates, patterning, and growth in numerous tissues. The human PTC gene appears to be crucial for proper embryonic development and for tumor suppression.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Johnson, R L -- Rothman, A L -- Xie, J -- Goodrich, L V -- Bare, J W -- Bonifas, J M -- Quinn, A G -- Myers, R M -- Cox, D R -- Epstein, E H Jr -- Scott, M P -- AR3995/AR/NIAMS NIH HHS/ -- New York, N.Y. -- Science. 1996 Jun 14;272(5268):1668-71.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Developmental Biology, Howard Hughes Medical Institute, Stanford University School of Medicine, California 94305-5427, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8658145" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Amino Acid Sequence ; Animals ; Basal Cell Nevus Syndrome/*genetics ; Base Sequence ; Cloning, Molecular ; DNA, Neoplasm ; Drosophila ; *Drosophila Proteins ; Female ; Frameshift Mutation ; *Genes, Tumor Suppressor ; Humans ; Insect Hormones/genetics ; Male ; Membrane Proteins/*genetics ; Middle Aged ; Molecular Sequence Data ; Polymerase Chain Reaction ; Polymorphism, Single-Stranded Conformational ; Protein Conformation ; Receptors, Cell Surface
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    Isolation and expression of functional high-affinity Fc receptor complementary DNAs (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-01-20
    Description: Human and murine mononuclear phagocytes express a high-affinity receptor for immunoglobulin G that plays a central role in macrophage antibody-dependent cellular cytotoxicity and clearance of immune complexes. The receptor (FcRI) may also be involved in CD4-independent infection of human macrophages by human immunodeficiency virus. This report describes the isolation of cDNA clones encoding the human FcRI by a ligand-mediated selection technique. Expression of the cDNAs in COS cells gave rise to immunoglobulin G binding of the expected affinity and subtype specificity. RNA blot analysis revealed expression of a 1.7-kilobase transcript in macrophages and in cells of the promonocytic cell line U937 induced with interferon-gamma. The extracellular region of FcRI consists of three immunoglobulin-like domains, two of which share homology with low-affinity receptor domains.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Allen, J M -- Seed, B -- New York, N.Y. -- Science. 1989 Jan 20;243(4889):378-81.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Massachusetts General Hospital, Boston 02114.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2911749" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Blotting, Northern ; Cercopithecus aethiops ; Cloning, Molecular ; DNA/genetics ; Gene Expression Regulation ; Humans ; Molecular Sequence Data ; Molecular Weight ; Polymorphism, Genetic ; Receptors, Fc/*genetics ; Transfection
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    Specific recognition of cruciform DNA by nuclear protein HMG1 (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-02-24
    Description: Cruciform DNA, a non-double helix form of DNA, can be generated as an intermediate in genetic recombination as well as from palindromic sequences under the effect of supercoiling. Eukaryotic cells are equipped with a DNA-binding protein that selectively recognizes cruciform DNA. Biochemical and immunological data showed that this protein is HMG1, an evolutionarily conserved, essential, and abundant component of the nucleus. The interaction with a ubiquitous protein points to a critical role for cruciform DNA conformations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bianchi, M E -- Beltrame, M -- Paonessa, G -- New York, N.Y. -- Science. 1989 Feb 24;243(4894 Pt 1):1056-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉European Molecular Biology Laboratory, Heidleberg, Federal Republic of Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2922595" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cloning, Molecular ; DNA/genetics/*metabolism ; Electrophoresis, Polyacrylamide Gel ; High Mobility Group Proteins/genetics/isolation & purification/*metabolism ; Immunoassay ; Immunoblotting ; Liver/analysis ; Molecular Sequence Data ; Molecular Weight ; *Nucleic Acid Conformation ; Peptide Fragments/genetics/isolation & purification ; Protein Biosynthesis ; Rats ; Transcription, Genetic
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    AP1/jun function is differentially induced in promotion-sensitive and resistant JB6 cells (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-05-05
    Description: Tumor promoters may bring about events that lead to neoplastic transformation by inducing specific promotion-relevant effector genes. Functional activation of the transacting transcription factor AP-1 by the phorbol ester 12-O-tetradecanoylphorbol-13-acetate (TPA) may play an essential role in this process. Clonal genetic variants of mouse epidermal JB6 cells that are genetically susceptible (P+) or resistant (P-) to promotion of transformation by TPA were transfected with 3XTRE-CAT, a construct that has AP-1 cis-enhancer sequences attached to a reporter gene encoding chloramphenicol acetyltransferase (CAT). Transfected JB6 P+, but not P- variants, showed TPA-inducible CAT synthesis. Epidermal growth factor, another transformation promoter in JB6 cells, also caused P+ specific induction of CAT gene expression. These results demonstrate an association between induced AP-1 function and sensitivity to promotion of neoplastic transformation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bernstein, L R -- Colburn, N H -- New York, N.Y. -- Science. 1989 May 5;244(4904):566-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Johns Hopkins University, Department of Biology, Baltimore, MD 21218.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2541502" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; *Cell Transformation, Neoplastic ; Chloramphenicol O-Acetyltransferase/genetics ; Cloning, Molecular ; DNA-Binding Proteins/genetics/*physiology ; Epidermal Growth Factor/pharmacology ; Epidermis ; Gene Expression Regulation ; Genetic Variation ; Kinetics ; Mice ; Nucleic Acid Hybridization ; Plasmids ; Promoter Regions, Genetic ; Proto-Oncogene Proteins ; Proto-Oncogene Proteins c-jun ; Simplexvirus/genetics ; Tetradecanoylphorbol Acetate/*pharmacology ; Transcription Factors/genetics/*physiology ; Transfection
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    Expression of functional nerve growth factor receptors after gene transfer (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-01-20
    Description: Nerve growth factor (NGF) interacts with both high affinity (Kd = 10(-10)-10(-11)M) and low affinity (Kd = 10(-8)-10(-9)M) receptors; the binding of NGF to the high affinity receptor is correlated with biological actions of NGF. To determine whether a single NGF binding protein is common to both forms of the receptor, a full-length receptor cDNA was introduced in the NR18 cell line, an NGF receptor-deficient variant of the PC12 pheochromocytoma cell line. The transformant displayed (i) both high and low affinity receptors detectable by receptor binding; (ii) an affinity cross-linking pattern with 125I-labeled NGF similar to that of the parent PC12 cell line; and (iii) biological responsiveness to NGF as assayed by induction of c-fos transcription. These findings support the hypothesis that a single binding protein is common to both forms of the NGF receptor and suggest that an additional protein is required to produce the high affinity form of the NGF receptor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hempstead, B L -- Schleifer, L S -- Chao, M V -- HD23315/HD/NICHD NIH HHS/ -- NS-21072/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1989 Jan 20;243(4889):373-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Hematology/Oncology, Cornell University Medical College, New York, NY 10021.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2536190" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blotting, Northern ; Cloning, Molecular ; Gene Expression Regulation ; Nerve Growth Factors/pharmacology ; Pheochromocytoma ; Proto-Oncogene Proteins/genetics ; Proto-Oncogene Proteins c-fos ; Rats ; Receptors, Cell Surface/*genetics/metabolism ; Receptors, Nerve Growth Factor ; Transformation, Genetic ; Tumor Cells, Cultured
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    Kappa B-specific DNA binding proteins: role in the regulation of human interleukin-2 gene expression (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-04-28
    Description: Transcriptional activation of the human interleukin-2 (IL-2) gene, like induction of the IL-2 receptor alpha (IL-2R alpha) gene and the type 1 human immunodeficiency virus (HIV-1), is shown to be modulated by a kappa B-like enhancer element. Mutation of a kappa B core sequence identified in the IL-2 promoter (-206 to -195) partially inhibits both mitogen- and HTLV-I Tax-mediated activation of this transcription unit and blocks the specific binding of two inducible cellular factors. These kappa B-specific proteins (80 to 90 and 50 to 55 kilodaltons) similarly interact with the functional kappa B enhancer present in the IL-2R alpha promoter. These data suggest that these kappa B-specific proteins have a role in the coordinate regulation of this growth factor-growth factor receptor gene system that controls T cell proliferation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hoyos, B -- Ballard, D W -- Bohnlein, E -- Siekevitz, M -- Greene, W C -- A127053-01/PHS HHS/ -- New York, N.Y. -- Science. 1989 Apr 28;244(4903):457-60.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Mount Sinai Medical Center, Department of Microbiology, New York, NY 10029.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2497518" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Cell Line ; Cloning, Molecular ; DNA/metabolism ; DNA-Binding Proteins/*metabolism ; *Enhancer Elements, Genetic ; *Gene Expression Regulation ; Genes, Viral ; HIV-1/genetics ; HTLV-I Antigens/pharmacology ; Humans ; Immunoglobulin kappa-Chains/*genetics ; Interleukin-2/*genetics ; Molecular Weight ; Mutation ; Phytohemagglutinins/pharmacology ; Plasmids ; Promoter Regions, Genetic ; RNA, Messenger/biosynthesis ; T-Lymphocytes/metabolism ; Tetradecanoylphorbol Acetate/pharmacology ; Trans-Activators ; Transcription Factors/pharmacology ; Transcription, Genetic ; Transfection
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    Bacterial blight of soybean: regulation of a pathogen gene determining host cultivar specificity (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-09-22
    Description: Soybean cultivars resistant to Pseudomonas syringae pathovar glycinea (Psg), the causal agent of bacterial blight, exhibit a hypersensitive (necrosis) reaction (HR) to infection. Psg strains carrying the avrB gene elicit the HR in soybean cultivars carrying the resistance gene Rpg1. Psg expressing avrB at a high level and capable of eliciting the HR in the absence of de novo bacterial RNA synthesis have been obtained in in vitro culture. Nutritional signals and regions within the Psg hrp gene cluster, an approximately 20-kilobase genomic region also necessary for pathogenicity, control avrB transcription.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huynh, T V -- Dahlbeck, D -- Staskawicz, B J -- New York, N.Y. -- Science. 1989 Sep 22;245(4924):1374-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Plant Pathology, University of California, Berkeley 94720.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2781284" target="_blank"〉PubMed〈/a〉
    Keywords: Cloning, Molecular ; DNA Mutational Analysis ; Gene Expression Regulation ; Genes, Bacterial ; *Plant Diseases ; Promoter Regions, Genetic ; Pseudomonas/*genetics/growth & development/pathogenicity ; Regulatory Sequences, Nucleic Acid ; Restriction Mapping ; Soybeans/*genetics/microbiology ; Transcription, Genetic
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    Golf: an olfactory neuron specific-G protein involved in odorant signal transduction (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-05-19
    Description: Biochemical and electrophysiological studies suggest that odorants induce responses in olfactory sensory neurons via an adenylate cyclase cascade mediated by a G protein. An olfactory-specific guanosine triphosphate (GTP)-binding protein alpha subunit has now been characterized and evidence is presented suggesting that this G protein, termed Golf, mediates olfaction. Messenger RNA that encodes Golf alpha is expressed in olfactory neuroephithelium but not in six other tissues tested. Moreover, within the olfactory epithelium, Golf alpha appears to be expressed only by the sensory neurons. Specific antisera were used to localize Golf alpha protein to the sensory apparatus of the receptor neurons. Golf alpha shares extensive amino acid identity (88 percent) with the stimulatory G protein, Gs alpha. The expression of Golf alpha in S49 cyc- kin- cells, a line deficient in endogenous stimulatory G proteins, demonstrates its capacity to stimulate adenylate cyclase in a heterologous system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jones, D T -- Reed, R R -- New York, N.Y. -- Science. 1989 May 19;244(4906):790-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Molecular Biology and Genetic Johns Hopkins School of Medicine, Baltimore, MD 21205.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2499043" target="_blank"〉PubMed〈/a〉
    Keywords: Adenylyl Cyclases/metabolism ; Amino Acid Sequence ; Animals ; Base Sequence ; Cloning, Molecular ; GTP-Binding Proteins/analysis/genetics/*physiology ; Gene Expression Regulation ; Immunoblotting ; Immunohistochemistry ; Molecular Sequence Data ; Neurons, Afferent/analysis/*physiology ; *Odors ; Olfactory Bulb/physiology ; Olfactory Mucosa/analysis/*innervation ; RNA, Messenger/analysis/genetics ; Rats ; Sequence Homology, Nucleic Acid ; *Signal Transduction ; Tissue Distribution ; Transfection
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    Ectopic expression of the serotonin 1c receptor and the triggering of malignant transformation (1989)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1989-06-02
    Description: Neurotransmitter receptors are usually restricted to neuronal cells, but the signaling pathways activated by these receptors are widely distributed in both neural and non-neural cells. The functional consequences of activating a brain-specific neurotransmitter receptor, the serotonin 5HT1c receptor, in the unnatural environment of a fibroblast were examined. Introduction of functional 5HT1c receptors into NIH 3T3 cells results, at high frequency, in the generation of transformed foci. Moreover, the generation and maintenance of transformed foci requires continued activation of the serotonin receptor. In addition, the injection of cells derived from transformed foci into nude mice results in the generation of tumors. The serotonin 5HT1c receptor therefore functions as a protooncogene when expressed in NIH 3T3 fibroblasts.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Julius, D -- Livelli, T J -- Jessell, T M -- Axel, R -- New York, N.Y. -- Science. 1989 Jun 2;244(4908):1057-62.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Biophysics, College of Physicians and Surgeons, Columbia University, New York, NY 10032.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2727693" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcium/pharmacology ; Cell Division ; Cell Line ; *Cell Transformation, Neoplastic ; Cloning, Molecular ; Fibroblasts/metabolism ; *Gene Expression Regulation ; Genetic Vectors ; Mice ; Mice, Nude ; Neoplasm Transplantation ; Receptors, Serotonin/*genetics/physiology ; Second Messenger Systems ; Serotonin/pharmacology/physiology ; Transfection
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    Vascular permeability factor, an endothelial cell mitogen related to PDGF (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-12-08
    Description: Vascular permeability factor (VPF) is a 40-kilodalton disulfide-linked dimeric glycoprotein that is active in increasing blood vessel permeability, endothelial cell growth, and angiogenesis. These properties suggest that the expression of VPF by tumor cells could contribute to the increased neovascularization and vessel permeability that are associated with tumor vasculature. The cDNA sequence of VPF from human U937 cells was shown to code for a 189-amino acid polypeptide that is similar in structure to the B chain of platelet-derived growth factor (PDGF-B) and other PDGF-B-related proteins. The overall identity with PDGF-B is 18%. However, all eight of the cysteines in PDGF-B were found to be conserved in human VPF, an indication that the folding of the two proteins is probably similar. Clusters of basic amino acids in the COOH-terminal halves of human VPF and PDGF-B are also prevalent. Thus, VPF appears to be related to the PDGF/v-sis family of proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Keck, P J -- Hauser, S D -- Krivi, G -- Sanzo, K -- Warren, T -- Feder, J -- Connolly, D T -- New York, N.Y. -- Science. 1989 Dec 8;246(4935):1309-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Culture and Biochemistry, Monsanto Company, St. Louis, MO 63167.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2479987" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Capillary Permeability/physiology ; Cell Division/physiology ; Cloning, Molecular ; Endothelium, Vascular/*cytology ; *Growth Substances ; Guinea Pigs ; Humans ; Lymphokines/*physiology ; Molecular Sequence Data ; Neovascularization, Pathologic/physiopathology ; Oncogene Proteins v-sis ; Platelet-Derived Growth Factor/physiology ; Retroviridae Proteins, Oncogenic/physiology ; Sequence Homology, Nucleic Acid ; Transforming Growth Factors ; Vascular Endothelial Growth Factor A ; Vascular Endothelial Growth Factors
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    Switch protein alters specificity of RNA polymerase containing a compartment-specific sigma factor (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-01-27
    Description: During sporulation in Bacillus subtilis, expression of developmental genes spoIVCB and cotD is induced in the mother cell compartment of the sporangium at morphological stages IV and V, respectively. A 27-kilodalton RNA polymerase sigma factor called sigma K (or sigma 27) has been found that causes weak transcription of spoIVCB and strong transcription of cotD. A 14-kD protein was also discovered that changes the specificity of sigma K-containing RNA polymerase, greatly stimulating spoIVCB transcription and markedly repressing cotD transcription. Both sigma K and the 14-kD protein are products of genes known to be required for expression of specific genes in the mother cell. Thus, sigma K directs gene expression in the mother cell and it is proposed that inactivation or sequestering of the 14-kD protein switches the temporal pattern of gene expression during the transition from stages IV to V of development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kroos, L -- Kunkel, B -- Losick, R -- GM18568/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1989 Jan 27;243(4890):526-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cellular and Developmental Biology, Harvard University, Cambridge, Massachusetts 02138.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2492118" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Bacillus subtilis/*genetics/physiology ; Cloning, Molecular ; DNA-Directed RNA Polymerases/*genetics/isolation & purification ; Electrophoresis, Polyacrylamide Gel ; Gene Expression Regulation ; Molecular Sequence Data ; Promoter Regions, Genetic ; Sigma Factor/*genetics/isolation & purification ; Spores, Bacterial/genetics ; Transcription Factors/*genetics ; Transcription, Genetic
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    Adenylyl cyclase amino acid sequence: possible channel- or transporter-like structure (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-06-30
    Description: Complementary DNA's that encode an adenylyl cyclase were isolated from a bovine brain library. Most of the deduced amino acid sequence of 1134 residues is divisible into two alternating sets of hydrophobic and hydrophilic domains. Each of the two large hydrophobic domains appears to contain six transmembrane spans. Each of the two large hydrophilic domains contains a sequence that is homologous to a single cytoplasmic domain of several guanylyl cyclases; these sequences may represent nucleotide binding sites. An unexpected topographical resemblance between adenylyl cyclase and various plasma membrane channels and transporters was observed. This structural complexity suggests possible, unappreciated functions for this important enzyme.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Krupinski, J -- Coussen, F -- Bakalyar, H A -- Tang, W J -- Feinstein, P G -- Orth, K -- Slaughter, C -- Reed, R R -- Gilman, A G -- CA16519/CA/NCI NIH HHS/ -- GM12230/GM/NIGMS NIH HHS/ -- GM34497/GM/NIGMS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1989 Jun 30;244(4912):1558-64.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, University of Texas Southwestern Medical Center, Dallas 75235.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2472670" target="_blank"〉PubMed〈/a〉
    Keywords: *Adenylyl Cyclases/genetics/isolation & purification ; Amino Acid Sequence ; Animals ; Base Sequence ; Brain/enzymology ; *Carrier Proteins ; Cattle ; Cell Line ; Cloning, Molecular ; DNA/genetics ; Electrophoresis, Polyacrylamide Gel ; *Ion Channels ; Membrane Proteins ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Protein Conformation ; Transfection
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    Reverse transcriptase in a clinical strain of Escherichia coli: production of branched RNA-linked msDNA (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-02-24
    Description: Branched RNA-linked multicopy single-stranded DNA (msDNA) originally detected in myxobacteria has now been found in a clinical isolate of Escherichia coli. Although lacking homology in the primary structure, the E. coli msDNA is similar in secondary structure to the myxobacterial msDNA's, including the 2',5'-phosphodiester linkage between RNA and DNA. A chromosomal DNA fragment responsible for the production of msDNA was cloned in an E. coli K12 strain; its DNA sequence revealed an open reading frame (ORF) of 586 amino acid residues. The ORF shows sequence similarity with retroviral reverse transcriptases and ribonuclease H. Disruption of the ORF blocked msDNA production, indicating that this gene is essential for msDNA synthesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lampson, B C -- Sun, J -- Hsu, M Y -- Vallejo-Ramirez, J -- Inouye, S -- Inouye, M -- F32 GM11970-01A1/GM/NIGMS NIH HHS/ -- GM26843/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1989 Feb 24;243(4894 Pt 1):1033-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, Robert Wood Johnson Medical School, University of Medicine and Dentistry of New Jersey, Piscataway 08854.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2466332" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Cloning, Molecular ; DNA Probes ; DNA Restriction Enzymes ; DNA, Bacterial/genetics ; DNA, Single-Stranded/analysis/biosynthesis/*genetics ; Endoribonucleases/genetics ; Escherichia coli/enzymology/*genetics ; Genes, Bacterial ; HIV/enzymology/genetics ; Human T-lymphotropic virus 1/enzymology/genetics ; Molecular Sequence Data ; Myxococcales/genetics ; Nucleic Acid Hybridization ; RNA, Bacterial/analysis/biosynthesis/*genetics ; RNA-Directed DNA Polymerase/*genetics ; Retroviridae/*enzymology/genetics ; Ribonuclease H ; Sequence Homology, Nucleic Acid ; Transformation, Bacterial
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    Multiple mutations in HIV-1 reverse transcriptase confer high-level resistance to zidovudine (AZT) (1989)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1989-12-01
    Description: Human immunodeficiency virus (HIV) isolates with reduced sensitivity to zidovudine (3'-azido-3'-deoxythymidine, AZT) from individuals with acquired immunodeficiency syndrome (AIDS) or AIDS-related complex were studied to determine the genetic basis of their resistance. Most were sequential isolates obtained at the initiation of and during therapy. Comparative nucleotide sequence analysis of the reverse transcriptase (RT) coding region from five pairs of sensitive and resistant isolates identified three predicted amino acid substitutions common to all the resistant strains (Asp67----Asn, Lys70----Arg, Thr215----Phe or Tyr) plus a fourth in three isolates (Lys219----Gln). Partially resistant isolates had combinations of these four changes. An infectious molecular clone constructed with these four mutations in RT yielded highly resistant HIV after transfection of T cells. The reproducible nature of these mutations should make it possible to develop rapid assays to predict zidovudine resistance by performing polymerase chain reaction amplification of nucleic acid from peripheral blood lymphocytes, thereby circumventing current lengthy HIV isolation and sensitivity testing.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Larder, B A -- Kemp, S D -- New York, N.Y. -- Science. 1989 Dec 1;246(4934):1155-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular Sciences Department, Wellcome Research Laboratories, Beckenham, Kent, United Kingdom.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2479983" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS-Related Complex/drug therapy/microbiology ; Acquired Immunodeficiency Syndrome/drug therapy/*microbiology ; Amino Acid Sequence ; Cloning, Molecular ; Drug Resistance/genetics ; Genes, Viral ; HIV-1/drug effects/*enzymology/genetics ; Humans ; Molecular Sequence Data ; *Mutation ; RNA-Directed DNA Polymerase/*genetics ; Zidovudine/pharmacology/*therapeutic use
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    Vascular endothelial growth factor is a secreted angiogenic mitogen (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-12-08
    Description: Vascular endothelial growth factor (VEGF) was purified from media conditioned by bovine pituitary folliculostellate cells (FC). VEGF is a heparin-binding growth factor specific for vascular endothelial cells that is able to induce angiogenesis in vivo. Complementary DNA clones for bovine and human VEGF were isolated from cDNA libraries prepared from FC and HL60 leukemia cells, respectively. These cDNAs encode hydrophilic proteins with sequences related to those of the A and B chains of platelet-derived growth factor. DNA sequencing suggests the existence of several molecular species of VEGF. VEGFs are secreted proteins, in contrast to other endothelial cell mitogens such as acidic or basic fibroblast growth factors and platelet-derived endothelial cell growth factor. Human 293 cells transfected with an expression vector containing a bovine or human VEGF cDNA insert secrete an endothelial cell mitogen that behaves like native VEGF.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leung, D W -- Cachianes, G -- Kuang, W J -- Goeddel, D V -- Ferrara, N -- New York, N.Y. -- Science. 1989 Dec 8;246(4935):1306-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Genetech, South San Francisco, CA 94080.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2479986" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Blotting, Northern ; Cattle ; Cell Division ; Cloning, Molecular ; Endothelium, Vascular/*cytology ; Gene Library ; Humans ; Lymphokines/genetics/*physiology/secretion ; Molecular Sequence Data ; Neovascularization, Pathologic/*physiopathology ; Sequence Homology, Nucleic Acid ; Vascular Endothelial Growth Factor A ; Vascular Endothelial Growth Factors
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 78
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    Purification, cloning, and expression of ciliary neurotrophic factor (CNTF) (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-11-24
    Description: Ciliary neurotrophic factor (CNTF) is one of a small number of proteins with neurotrophic activities distinct from nerve growth factor (NGF). CNTF has now been purified and cloned and the primary structure of CNTF from rabbit sciatic nerve has been determined. Biologically active CNTF has been transiently expressed from a rabbit complementary DNA clone. CNTF is a neural effector without significant sequence homologies to any previously reported protein.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lin, L F -- Mismer, D -- Lile, J D -- Armes, L G -- Butler, E T 3rd -- Vannice, J L -- Collins, F -- New York, N.Y. -- Science. 1989 Nov 24;246(4933):1023-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Protein Chemistry Group, Synergen, Inc., Boulder, CO 80301.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2587985" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Line ; Ciliary Neurotrophic Factor ; Cloning, Molecular ; DNA/genetics ; Molecular Sequence Data ; Nerve Growth Factors/*genetics ; Nerve Tissue Proteins/biosynthesis/*genetics/isolation & purification ; Rabbits ; Recombinant Proteins/biosynthesis ; Sciatic Nerve/metabolism ; Transfection
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 79
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    Isolation of human transcribed sequences from human-rodent somatic cell hybrids (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-11-10
    Description: A method was developed for selectively isolating genes from localized regions of the human genome that are contained in interspecific hybrid cells. Complementary human DNA was prepared from a human-rodent somatic cell hybrid that contained less than 1% human DNA, by using consensus 5' intron splice sequences as primers. These primers would select immature, unspliced messenger RNA (still retaining species-specific repeat sequences) as templates. Screening a derived complementary DNA library for human repeat sequences resulted in the isolation of human clones at the anticipated frequency with characteristics expected of exons of transcribed human genes--single copy sequences that hybridized to discrete bands on Northern (RNA) blots.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, P -- Legerski, R -- Siciliano, M J -- GM19436/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1989 Nov 10;246(4931):813-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Genetics, University of Texas, M.D. Anderson Cancer Center, Houston 77030.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2479099" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blotting, Northern ; Blotting, Southern ; Chromosome Mapping ; Chromosomes, Human, Pair 19 ; Cloning, Molecular ; Cricetinae ; DNA/biosynthesis/genetics/*isolation & purification ; Humans ; *Hybrid Cells ; Introns ; Nucleic Acid Hybridization ; RNA/genetics ; Repetitive Sequences, Nucleic Acid ; Restriction Mapping ; Templates, Genetic
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 80
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    Recombinant 47-kilodalton cytosol factor restores NADPH oxidase in chronic granulomatous disease (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-07-28
    Description: A 47-kilodalton neutrophil cytosol factor (NCF-47k), required for activation of nicotinamide adenine dinucleotide phosphate (NADPH) oxidase superoxide (O2-.) production, is absent in most patients with autosomal recessive chronic granulomatous disease (AR-CGD). NCF-47k cDNAs were cloned from an expression library. The largest clone predicted a 41.9-kD protein that contained an arginine and serine-rich COOH-terminal domain with potential protein kinase C phosphorylation sites. A 33-amino acid segment of NCF-47k shared 49% identity with ras p21 guanosine triphosphatase activating protein. Recombinant NCF-47k restored O2-. -producing activity to AR-CGD neutrophil cytosol in a cell-free assay. Production of active recombinant NCF-47k will enable functional regions of this molecule to be mapped.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lomax, K J -- Leto, T L -- Nunoi, H -- Gallin, J I -- Malech, H L -- New York, N.Y. -- Science. 1989 Jul 28;245(4916):409-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Bacterial Diseases Section, National Institute of Allergy and Infectious Diseases, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2547247" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Blotting, Northern ; Cloning, Molecular ; DNA/*genetics ; Granulomatous Disease, Chronic/enzymology/*genetics ; Humans ; Immunoblotting ; Molecular Sequence Data ; NADH, NADPH Oxidoreductases/*metabolism ; NADPH Oxidase ; Neutrophils/*metabolism ; Phosphoproteins/*genetics/metabolism ; Phosphorylation ; Recombinant Proteins/genetics/metabolism ; Superoxides/metabolism
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  • 81
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    Molecular cloning of genes under control of the circadian clock in Neurospora (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-01-20
    Description: To investigate the regulation of messenger RNA abundance by circadian clocks, genomic and complementary DNA libraries were screened with complementary DNA probes enriched, by means of sequential rounds of subtractive hybridization, for sequences complementary to transcripts specific to either early morning or early evening cultures of Neurospora. Only two morning-specific genes were identified through this protocol. RNA blot analysis verified that the abundance of the transcripts arising from these genes oscillates with a period of 21.5 hours in a clock wild-type strain and 29 hours in the long-period clock mutant strain frq7. Genetic mapping through the use of restriction fragment length polymorphisms shows the two genes, ccg-1 and ccg-2, to be unlinked. These data provide a view of the extent of clock control of gene expression.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Loros, J J -- Denome, S A -- Dunlap, J C -- CA-23108/CA/NCI NIH HHS/ -- GM 34985/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1989 Jan 20;243(4889):385-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, Dartmouth Medical School, Hanover, NH 03756.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2563175" target="_blank"〉PubMed〈/a〉
    Keywords: Chromosome Mapping ; *Circadian Rhythm ; Cloning, Molecular ; Genes, Fungal ; Neurospora/*genetics ; Neurospora crassa/*genetics/physiology ; Polymorphism, Restriction Fragment Length ; RNA, Fungal/genetics ; RNA, Messenger/genetics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 82
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    Expression and characterization of a functional myosin head fragment in Dictyostelium discoideum (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-11-03
    Description: The isolated head fragment of myosin is a motor protein that is able to use energy liberated from the hydrolysis of adenosine triphosphate to cause sliding movement of actin filaments. Expression of a myosin fragment nearly equivalent to the amino-terminal globular head domain, generally referred to as subfragment 1, has been achieved by transforming the eukaryotic organism Dictyostelium discoideum with a plasmid that carries a 2.6-kilobase fragment of the cloned Dictyostelium myosin heavy chain gene under the control of the Dictyostelium actin-15 promoter. The recombinant fragment of the myosin heavy chain was purified 2400-fold from one of the resulting cell lines and was found to be functional by the following criteria: the myosin head fragment copurified with the essential and regulatory myosin light chains, decorated actin filaments, and displayed actin-activated adenosine triphosphatase activity. In addition, motility assays in vitro showed that the recombinant myosin fragment is capable of supporting sliding movement of actin filaments.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Manstein, D J -- Ruppel, K M -- Spudich, J A -- GM 33289/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1989 Nov 3;246(4930):656-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, Stanford University School of Medicine, CA 94305.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2530629" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/genetics ; Cell Line ; Cloning, Molecular ; Dictyostelium/*genetics ; *Gene Expression ; *Genes ; Genetic Vectors ; Molecular Weight ; Myosin Subfragments/*genetics/isolation & purification ; Myosins/genetics/metabolism ; Plasmids ; Promoter Regions, Genetic
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  • 83
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    Mapping the Drosophila genome with yeast artificial chromosomes (1989)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1989-11-03
    Description: The ability to clone large fragments of DNA in yeast artificial chromosomes (YAC's) has created the possibility of obtaining global physical maps of complex genomes. For this application to be feasible, most sequences in complex genomes must be able to be cloned in YAC's, and most clones must be genetically stable and colinear with the genomic sequences from which they originated (that is, not liable to undergo rearrangement). These requirements have been met with a YAC library containing DNA fragments from Drosophila melanogaster ranging in size up to several hundred kilobase pairs. Preliminary characterization of the Drosophila YAC library was carried out by in situ hybridization of random clones and analysis of clones containing known sequences. The results suggest that most euchromatic sequences can be cloned. The library also contains clones in which the inserted DNA is derived from the centromeric heterochromatin. The locations of 58 clones collectively representing about 8 percent of the euchromatic genome are presented.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Garza, D -- Ajioka, J W -- Burke, D T -- Hartl, D L -- New York, N.Y. -- Science. 1989 Nov 3;246(4930):641-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Washington University School of Medicine, St. Louis, MO 63110-1095.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2510296" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Chromosome Mapping ; Chromosomes, Fungal ; Cloning, Molecular ; Drosophila melanogaster/*genetics ; *Genes ; Genomic Library ; Heterochromatin/analysis ; Recombination, Genetic ; Saccharomyces cerevisiae/genetics ; Salivary Glands/cytology
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    Gene control research gets a boost (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-09-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1989 Sep 22;245(4924):1329-30.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2675310" target="_blank"〉PubMed〈/a〉
    Keywords: Cloning, Molecular ; DNA-Binding Proteins/*physiology ; *Gene Expression Regulation ; *Promoter Regions, Genetic ; Saccharomyces cerevisiae/genetics ; Transcription Factors/*physiology
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  • 85
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    Mutations in a protein kinase C homolog confer phorbol ester resistance on Caenorhabditis elegans (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-03-31
    Description: The tpa-1 gene mediates the action of tumor-promoting phorbol esters in the nematode Caenorhabditis elegans. A genomic fragment that constitutes a portion of the tpa-1 gene was cloned by Tc1 transposon tagging and was used as a probe to screen a nematode complementary DNA library. One of the isolated complementary DNA clones had a nucleotide sequence that predicts a polypeptide of 526 amino acids. The predicted amino acid sequence revealed that the predicted tpa-1 protein sequence is highly similar to protein kinase C molecules from various animals, including man.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tabuse, Y -- Nishiwaki, K -- Miwa, J -- New York, N.Y. -- Science. 1989 Mar 31;243(4899):1713-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Fundamental Research Laboratories, NEC Corporation, Kawasaki, Kanagawa, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2538925" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Caenorhabditis/*drug effects/genetics ; Cloning, Molecular ; Codon ; DNA/genetics ; DNA Restriction Enzymes ; Drug Resistance/genetics ; Genetic Markers ; Molecular Sequence Data ; Mutation ; Nucleic Acid Hybridization ; Phenotype ; Phorbol Esters/*pharmacology ; Protein Kinase C/*genetics ; Sequence Homology, Nucleic Acid
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  • 86
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    A protein that binds to a cis-acting element of wheat histone genes has a leucine zipper motif (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-09-01
    Description: The structure and function of transcription factors of higher plants was studied by isolating cDNA clones encoding a wheat sequence-specific DNA binding protein. A hexameric nucleotide motif, ACGTCA, is located upstream from the TATA box of several plant histone genes. It has been suggested that this motif is essential for efficient transcription of the wheat histone H3 gene. A wheat nuclear protein, HBP-1 (histone DNA binding protein-1), which specifically binds to the hexameric motif, has previously been identified as a putative transcription factor. A cDNA clone encoding HBP-1 has been isolated on the basis of specific binding of HBP-1 to the hexameric motif. The deduced amino acid sequence indicates that HBP-1 contains the leucine zipper motif, which represents a characteristic property of several eukaryotic transcription factors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tabata, T -- Takase, H -- Takayama, S -- Mikami, K -- Nakatsuka, A -- Kawata, T -- Nakayama, T -- Iwabuchi, M -- New York, N.Y. -- Science. 1989 Sep 1;245(4921):965-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Botany, Faculty of Science, Kyoto University, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2772648" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Cloning, Molecular ; DNA/genetics ; DNA-Binding Proteins/*genetics ; *Genes ; Genes, Regulator ; Histones/*genetics ; Information Systems ; *Leucine ; Methylation ; Molecular Sequence Data ; Nuclear Proteins/*genetics ; Nucleic Acid Hybridization ; Plants/*genetics ; *Transcription, Genetic ; Triticum/genetics
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  • 87
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    Germ-line transmission of a c-abl mutation produced by targeted gene disruption in ES cells (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-11-10
    Description: A substitution mutation has been introduced into the c-abl locus of murine embryonic stem cells by homologous recombination between exogenously added DNA and the endogenous gene, and these cells have been used to generate chimeric mice. It is shown that the c-abl mutation was transmitted to progeny by several male chimeras. This work demonstrates the feasibility of germ-line transmission of a mutation introduced into a nonselectable autosomal gene by homologous recombination.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schwartzberg, P L -- Goff, S P -- Robertson, E J -- P01 CA 23767/CA/NCI NIH HHS/ -- R01 HD 25208/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1989 Nov 10;246(4931):799-803.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Biophysics, Columbia University, College of Physicians & Surgeons, New York, NY 10032.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2554496" target="_blank"〉PubMed〈/a〉
    Keywords: Abelson murine leukemia virus/*genetics ; Animals ; Blotting, Southern ; Cell Line ; Chimera ; Cloning, Molecular ; *DNA, Recombinant ; Female ; Leukemia Virus, Murine/*genetics ; Male ; Mice ; Mice, Inbred C57BL ; *Mutation ; Oncogenes/*physiology ; Retroviridae Proteins, Oncogenic/*genetics
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  • 88
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    Metastatic hibernomas in transgenic mice expressing an alpha-amylase-SV40 T antigen hybrid gene (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-04-28
    Description: Mice transgenic for a hybrid gene containing the liver promoter of the mouse amylase gene (Amy-1a) fused to the SV40 tumor antigen coding region unexpected developed malignant brown adipose tissue tumors (malignant hibernomas). Expression of the alpha-amylase gene had previously been thought to be confined to the liver parotid, and pancreas; however, analysis of white and brown adipose tissue from nontransgenic mice revealed expression of the endogenous Amy-1a gene in these tissues. Gene constructs driven by the Amy-1a liver promoter thus provide a means of targeting gene expression to the adipocyte cell lineage in transgenic mice. Moreover the high frequency of metastases in the liver, lungs, spleen, heart, and adrenals of these mice provides an experimental system in which to study the development of disseminated malignancy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fox, N -- Crooke, R -- Hwang, L H -- Schibler, U -- Knowles, B B -- Solter, D -- CA-10815/CA/NCI NIH HHS/ -- CA-18470/CA/NCI NIH HHS/ -- CA-21124/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1989 Apr 28;244(4903):460-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wistar Institute, Philadelphia, PA 19104.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2785714" target="_blank"〉PubMed〈/a〉
    Keywords: Adipose Tissue/metabolism/pathology ; *Adipose Tissue, Brown/metabolism/pathology ; Animals ; Antigens, Polyomavirus Transforming/*genetics ; Cloning, Molecular ; Gene Expression Regulation ; Liver/metabolism ; Mice ; Mice, Transgenic ; Neoplasm Metastasis ; Neoplasms, Experimental/*genetics/pathology ; Nucleic Acid Hybridization ; Promoter Regions, Genetic ; RNA, Messenger/metabolism ; Tissue Distribution ; Transcription, Genetic ; alpha-Amylases/*genetics
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  • 89
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    In vitro transcription enhancement by purified derivatives of the glucocorticoid receptor (1989)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1989-07-21
    Description: Mammalian glucocorticoid receptors enhance transcription from linked promoters by binding to glucocorticoid response element (GRE) DNA sequences. Understanding the mechanism of receptor action will require biochemical studies with purified components. Enhancement was observed in vitro with derivatives of the receptor that were expressed in Escherichia coli, purified, and added to a cell-free extract from Drosophila embryo nuclei. Transcription from promoters linked to one or multiple GREs was selectively enhanced by as much as six times. The effect was weaker with only one GRE, and enhancement was abolished by a point mutation that inactivates the GRE in vivo.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Freedman, L P -- Yoshinaga, S K -- Vanderbilt, J N -- Yamamoto, K R -- New York, N.Y. -- Science. 1989 Jul 21;245(4915):298-301.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Biophysics, University of California, San Francisco 94143-0448.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2473529" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cloning, Molecular ; DNA/genetics/metabolism ; Drosophila melanogaster ; Mutation ; Promoter Regions, Genetic ; RNA/biosynthesis ; Rats ; Receptors, Glucocorticoid/*genetics/isolation & purification/metabolism ; Templates, Genetic ; *Transcription, Genetic
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  • 90
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    Transfer of a protein encoded by a single nucleus to nearby nuclei in multinucleated myotubes (1989)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1989-06-02
    Description: Specialized regions of muscle fibers may result from differential gene expression within a single fiber. In order to investigate the range of action of individual nuclei in multinucleated myotubes, C2 myoblasts were transfected to obtain stable cell lines that express a reporter protein that is targeted to the nucleus. Hybrid myotubes were then formed containing one or a few transfected nuclei as well as a large number of nuclei from the parental strain. In order to determine how far the products of a single nucleus extend, transfected nuclei were labeled with [3H]thymidine before fusion and the myotubes were stained to identify the reporter protein. In such myotubes the fusion protein was not confined to its nucleus of origin, but was restricted to nearby nuclei.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ralston, E -- Hall, Z W -- NS 20107/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1989 Jun 2;244(4908):1066-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology, School of Medicine, University of California, San Francisco 94143-0444.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2543074" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cell Nucleus/*metabolism ; Cloning, Molecular ; Cytoplasm/metabolism ; Enhancer Elements, Genetic ; Escherichia coli/genetics ; Fluorescent Antibody Technique ; Gene Expression Regulation ; Globins/genetics ; Mice ; Muscle Proteins/*genetics/metabolism ; Muscles/*ultrastructure ; Plasmids ; Promoter Regions, Genetic ; Receptors, Glucocorticoid/genetics ; Simian virus 40/genetics ; *Transfection ; beta-Galactosidase/genetics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 91
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    elk, tissue-specific ets-related genes on chromosomes X and 14 near translocation breakpoints (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-04-07
    Description: The myb-ets-containing acute leukemia virus, E26, transforms myeloblasts and erythroblasts in culture and causes a mixed erythroid and myeloid leukemia in chicks. Genes (ets-1, ets-2, and erg) with variable relatedness to the v-ets oncogene of the E26 virus have been identified, cloned, and characterized in several species. Two new members (elk-1 and elk-2) of the ets oncogene superfamily have now been identified. Nucleotide sequence analysis of the elk-1 cDNA clone revealed that this gene encodes a 428-residue protein whose predicted amino acid sequence showed 82% similarity to the 3' region of v-ets. The elk or related sequences appear to be transcriptionally active in testis and lung. The elk cDNA probe detects two loci in the human genome, elk-1 and elk-2, which map to chromosome regions Xp11.2 and 14q32.3, respectively. These loci are near the translocation breakpoint seen in the t(X;18) (p11.2;q11.2), which is characteristic of synovial sarcoma, and the chromosome 14q32 breakpoints seen in ataxia telangiectasia and other T cell malignancies. This suggests the possibility that rearrangements of elk loci may be involved in pathogenesis of certain tumors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rao, V N -- Huebner, K -- Isobe, M -- ar-Rushdi, A -- Croce, C M -- Reddy, E S -- CA-21124/CA/NCI NIH HHS/ -- CA-25875/CA/NCI NIH HHS/ -- CA-39860/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1989 Apr 7;244(4900):66-70.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wistar Institute of Anatomy and Biology, Philadelphia, PA 19104.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2539641" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Avian Leukosis Virus/*genetics ; Base Sequence ; Chick Embryo ; Chickens ; Chromosome Mapping ; Cloning, Molecular ; DNA Probes ; *DNA-Binding Proteins ; Humans ; Mice ; Molecular Sequence Data ; *Oncogenes ; *Proto-Oncogene Proteins ; Rats ; Retroviridae Proteins/*genetics/isolation & purification ; *Transcription Factors ; *Translocation, Genetic ; *X Chromosome ; ets-Domain Protein Elk-1
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  • 92
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    Tumor suppressor genes: the puzzle and the promise (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-12-15
    Description: Tumor suppressor genes are wild-type alleles of genes that play regulatory roles in cell proliferation, differentiation, and other cellular and systemic processes. It is their loss or inactivation that is oncogenic. The first evidence of tumor suppressor genes appeared in the early 1970s, but only within the past few years has a wealth of new information illuminated the central importance of these genes. Two or more different suppressor genes may be inactivated in the same tumors, and the same suppressors may be inactive in different tumor types (for example, lung, breast, and colon). The suppressor genes already identified are involved in cell cycle control, signal transduction, angiogenesis, and development, indicating that they contribute to a broad array of normal and tumor-related functions. It is proposed that tumor suppressor genes provide a vast untapped resource for anticancer therapy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sager, R -- New York, N.Y. -- Science. 1989 Dec 15;246(4936):1406-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Cancer Genetics, Dana-Farber Cancer Institute, Boston, MA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2574499" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; Cell Differentiation ; Cell Division ; Cell Transformation, Neoplastic/genetics ; Chromosome Aberrations ; Cloning, Molecular ; Eye Neoplasms/genetics ; Heterozygote ; Humans ; Hybrid Cells ; Kidney Neoplasms/genetics ; Mutation ; Neoplasms/*genetics ; Oncogene Proteins/genetics ; Phosphoproteins/genetics ; Polymorphism, Restriction Fragment Length ; Retinoblastoma/genetics ; Suppression, Genetic/*genetics ; Tumor Cells, Cultured ; Tumor Suppressor Protein p53 ; Wilms Tumor/genetics
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  • 93
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    Protection against streptococcal pharyngeal colonization with a vaccinia: M protein recombinant (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-06-23
    Description: Phagocytosis of group A streptococci requires type-specific antibodies directed against the variable determinants of the bacterial surface M protein molecule. As a step toward developing a broadly protective anti-streptococcal vaccine, a vaccinia virus (VV) recombinant was constructed that expresses the conserved region of the structural gene encoding the M6 molecule (VV:M6'). Mice immunized intranasally with the VV:M6' virus showed markedly reduced pharyngeal colonization by streptococci after intranasal and oral challenge with these bacteria. M protein-specific serum immunoglobulin G was significantly elevated in vaccinated animals and absent in controls. A similar approach may prove useful for the identification of protective determinants present on other bacterial and viral pathogens.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fischetti, V A -- Hodges, W M -- Hruby, D E -- AI-00666/AI/NIAID NIH HHS/ -- AI-11822/AI/NIAID NIH HHS/ -- AI-26281/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1989 Jun 23;244(4911):1487-90.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Rockefeller University, New York, NY 10021.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2660266" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Bacterial/immunology ; *Bacterial Outer Membrane Proteins ; Bacterial Proteins/genetics/*immunology ; *Bacterial Vaccines/immunology ; *Carrier Proteins ; Cloning, Molecular ; *Immunization ; Immunoglobulin A/analysis ; Immunoglobulin G/analysis ; Mice ; Pharyngeal Diseases/etiology/*prevention & control ; Streptococcal Infections/*prevention & control ; Streptococcus pyogenes ; *Vaccines/immunology ; *Vaccines, Synthetic/immunology ; Vaccinia virus/genetics/*immunology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 94
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    Prevention of rapid intracellular degradation of ODC by a carboxyl-terminal truncation (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-03-17
    Description: Ornithine decarboxylase (ODC) was converted from a protein with a short intracellular half-life in mammalian cells to a stable protein by truncating 37 residues at its carboxyl terminus. Cells expressing wild-type protein lost ODC activity with a half-life of approximately 1 hour. Cells expressing the truncated protein, however, retained full activity for at least 4 hours. Pulse-chase experiments in which immunoprecipitation and gel electrophoresis were used confirmed the stabilizing effect of the truncation. Thus, a carboxyl-terminal domain is responsible for the rapid intracellular degradation of murine ODC.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ghoda, L -- van Daalen Wetters, T -- Macrae, M -- Ascherman, D -- Coffino, P -- CA 09043/CA/NCI NIH HHS/ -- CA 29048/CA/NCI NIH HHS/ -- CA 47721/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1989 Mar 17;243(4897):1493-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, University of California, San Francisco 94143.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2928784" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cloning, Molecular ; Mice ; Ornithine Decarboxylase/genetics/*metabolism ; Recombinant Proteins/metabolism ; Structure-Activity Relationship ; Transfection
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  • 95
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    Identification of a thyroid hormone receptor that is pituitary-specific (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-04-07
    Description: Three cellular homologs of the v-erbA oncogene were previously identified in the rat; two of them encode high affinity receptors for the thyroid hormone triiodothyronine (T3). A rat complementary DNA clone encoding a T3 receptor form of the ErbA protein, called r-ErbA beta-2, was isolated. The r-ErbA beta-2 protein differs at its amino terminus from the previously described rat protein encoded by c-erbA beta and referred to as r-ErbA beta-1. Unlike the other members of the c-erbA proto-oncogene family, which have a wide tissue distribution, r-erbA beta-2 appears to be expressed only in the anterior pituitary gland. In addition, thyroid hormone downregulates r-erbA beta-2 messenger RNA but not r-erbA beta-1 messenger RNA in a pituitary tumor-derived cell line. The presence of a pituitary-specific form of the thyroid hormone receptor that may be selectively regulated by thyroid hormone could be important for the differential regulation of gene expression by T3 in the pituitary gland.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hodin, R A -- Lazar, M A -- Wintman, B I -- Darling, D S -- Koenig, R J -- Larsen, P R -- Moore, D D -- Chin, W W -- New York, N.Y. -- Science. 1989 Apr 7;244(4900):76-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Brigham and Women's Hospital, Boston, MA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2539642" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cell Line ; Cloning, Molecular ; DNA/isolation & purification ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Organ Specificity ; Pituitary Gland, Anterior/*metabolism ; Proto-Oncogene Proteins/genetics/*isolation & purification ; Rats ; Receptors, Thyroid Hormone/genetics/*isolation & purification ; Transfection
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  • 96
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    Structure and specificity of a class II MHC alloreactive gamma delta T cell receptor heterodimer (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-08-18
    Description: Two distinct CD3-associated T cell receptors (TCR alpha beta and TCR gamma delta) are expressed in a mutually exclusive fashion on separate subsets of T lymphocytes. While the specificity of the TCR alpha beta repertoire for major histocompatibility complex (MHC) antigens is well established, the diversity of expressed gamma delta receptors and the ligands they recognize are less well understood. An alloreactive CD3+CD4-CD8- T cell line specific for murine class II MHC (Ia) antigens encoded in the I-E subregion of the H-2 gene complex was identified, and the primary structure of its gamma delta receptor heterodimer was characterized. In contrast to a TCR alpha beta-expressing alloreactive T cell line selected for similar specificity, the TCR gamma delta line displayed broad cross-reactivity for multiple distinct I-E-encoded allogeneic Ia molecules.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Matis, L A -- Fry, A M -- Cron, R Q -- Cotterman, M M -- Dick, R F -- Bluestone, J A -- 5-T32AI07090-10/AI/NIAID NIH HHS/ -- CA-14599-15/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1989 Aug 18;245(4919):746-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biochemistry and Biophysics, Food and Drug Administration, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2528206" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal ; Antigens, CD3 ; Antigens, Differentiation, T-Lymphocyte/analysis/immunology ; Base Sequence ; Cell Line ; Cloning, Molecular ; Cytotoxicity, Immunologic ; H-2 Antigens/genetics/immunology ; Histocompatibility Antigens Class II/genetics/*immunology ; Hybridomas/immunology ; Immunosorbent Techniques ; Macromolecular Substances ; Mice ; Mice, Nude ; Molecular Sequence Data ; Receptors, Antigen, T-Cell/analysis/genetics/*immunology ; T-Lymphocytes/*immunology
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  • 97
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    Isolation of a novel receptor cDNA establishes the existence of two PDGF receptor genes (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-02-10
    Description: A genomic sequence and cloned complementary DNA has been identified for a novel receptor-like gene of the PDGF receptor/CSF1 receptor subfamily (platelet-derived growth factor receptor/colony-stimulating factor type 1 receptor). The gene recognized a 6.4-kilobase transcript that was coexpressed in normal human tissues with the 5.3-kilobase PDGF receptor messenger RNA. Introduction of complementary DNA of the novel gene into COS-1 cells led to expression of proteins that were specifically detected with antiserum directed against a predicted peptide. When the new gene was transfected into COS-1 cells, a characteristic pattern of binding of the PDGF isoforms was observed, which was different from the pattern observed with the known PDGF receptor. Tyrosine phosphorylation of the receptor in response to the PDGF isoforms was also different from the known receptor. The new PDGF receptor gene was localized to chromosome 4q11-4q12. The existence of genes encoding two PDGF receptors that interact in a distinct manner with three different PDGF isoforms likely confers considerable regulatory flexibility in the functional responses to PDGF.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Matsui, T -- Heidaran, M -- Miki, T -- Popescu, N -- La Rochelle, W -- Kraus, M -- Pierce, J -- Aaronson, S -- New York, N.Y. -- Science. 1989 Feb 10;243(4892):800-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Cellular and Molecular Biology, National Cancer Institute, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2536956" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Cells, Cultured ; *Chromosomes, Human, Pair 4 ; Cloning, Molecular ; DNA/genetics ; Gene Expression Regulation ; *Genes ; Humans ; Molecular Sequence Data ; Multigene Family ; Platelet-Derived Growth Factor/*physiology ; Protein-Tyrosine Kinases/genetics ; RNA, Messenger/genetics ; Receptors, Cell Surface/*genetics ; Receptors, Platelet-Derived Growth Factor ; Tissue Distribution
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 98
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    Lutropin-choriogonadotropin receptor: an unusual member of the G protein-coupled receptor family (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-08-04
    Description: A complementary DNA (cDNA) for the rat luteal lutropin-choriogonadotropin receptor (LH-CG-R) was isolated with the use of a DNA probe generated in a polymerase chain reaction with oligonucleotide primers based on peptide sequences of purified receptor protein. As would be predicted from the cDNA sequence, the LH-CG-R consists of a 26-residue signal peptide, a 341-residue extracellular domain displaying an internal repeat structure characteristic of members of the leucine-rich glycoprotein (LRG) family, and a 333-residue region containing seven transmembrane segments. This membrane-spanning region displays sequence similarity with all members of the G protein-coupled receptor family. Hence, the LH-CG-R gene may have evolved by recombination of LRG and G protein-coupled receptor genes. Cells engineered to express LH-CG-R cDNA bind human choriogonadotropin with high affinity and show an increase in cyclic adenosine monophosphate when exposed to hormone. As revealed by RNA blot analysis and in situ hybridization, the 4.4-kilobase cognate messenger RNA is prominently localized in the rat ovary.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McFarland, K C -- Sprengel, R -- Phillips, H S -- Kohler, M -- Rosemblit, N -- Nikolics, K -- Segaloff, D L -- Seeburg, P H -- HD22196/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1989 Aug 4;245(4917):494-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Developmental Biology, Genetech, Inc., South San Francisco, CA 94080.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2502842" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cloning, Molecular ; DNA/genetics/isolation & purification ; DNA Probes ; Female ; GTP-Binding Proteins/*physiology ; Glycoproteins/genetics ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Ovary/analysis ; RNA, Messenger/analysis/genetics ; Rats ; Receptors, LH/*genetics ; Sequence Homology, Nucleic Acid ; Tissue Distribution
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  • 99
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    Transcriptional regulation in mammalian cells by sequence-specific DNA binding proteins (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-07-28
    Description: The cloning of genes encoding mammalian DNA binding transcription factors for RNA polymerase II has provided the opportunity to analyze the structure and function of these proteins. This review summarizes recent studies that define structural domains for DNA binding and transcriptional activation functions in sequence-specific transcription factors. The mechanisms by which these factors may activate transcriptional initiation and by which they may be regulated to achieve differential gene expression are also discussed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mitchell, P J -- Tjian, R -- New York, N.Y. -- Science. 1989 Jul 28;245(4916):371-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Biochemistry, University of California, Berkeley 94720.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2667136" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Binding Sites ; Cloning, Molecular ; DNA-Binding Proteins/*genetics/metabolism ; Gene Expression Regulation ; Molecular Sequence Data ; Protein Processing, Post-Translational ; RNA Polymerase II/*genetics/metabolism ; Repetitive Sequences, Nucleic Acid ; Transcription Factors/*genetics/metabolism ; *Transcription, Genetic
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  • 100
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    Vaccination with a synthetic zona pellucida peptide produces long-term contraception in female mice (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-11-17
    Description: The zona pellucida surrounding mouse oocytes is an extracellular matrix composed of three sulfated glycoproteins, ZP1, ZP2, and ZP3. It has been demonstrated that a monoclonal antibody to ZP3 injected into female mice inhibits fertilization by binding to the zona pellucida and blocking sperm penetration. A complementary DNA encoding ZP3 was randomly cleaved and 200- to 1000-base pair fragments were cloned into the expression vector lambda gt11. This epitope library was screened with the aforementioned contraceptive antibody, and the positive clones were used to map the seven-amino acid epitope recognized by the antibody. Female mice were immunized with a synthetic peptide containing this B cell epitope coupled to a carrier protein to provide helper T cell epitopes. The resultant circulating antibodies to ZP3 bound to the zona pellucida of immunized animals and produced long-lasting contraception. The lack of ovarian histopathology or cellular cytotoxicity among the immunized animals may be because of the absence of zona pellucida T cell epitopes in this vaccine.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Millar, S E -- Chamow, S M -- Baur, A W -- Oliver, C -- Robey, F -- Dean, J -- New York, N.Y. -- Science. 1989 Nov 17;246(4932):935-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Cellular and Developmental Biology, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2479101" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antigens/immunology ; Base Sequence ; Cloning, Molecular ; *Contraception ; *Contraception, Immunologic ; DNA/genetics ; *Egg Proteins ; Epitopes/analysis ; Female ; Glycoproteins/genetics/*immunology ; Male ; *Membrane Glycoproteins ; Mice ; Molecular Sequence Data ; Ovum/*physiology ; Protein Conformation ; RNA, Messenger/genetics ; *Receptors, Cell Surface ; *Vaccination ; Zona Pellucida/*physiology
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