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  • Cloning, Molecular  (233)
  • American Association for the Advancement of Science (AAAS)  (233)
  • American Meteorological Society
  • American Chemical Society (ACS)
  • 1990-1994  (233)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (233)
  • American Meteorological Society
  • American Chemical Society (ACS)
Years
Year
  • 1
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    Circadian clock mutants of cyanobacteria (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-11-18
    Description: A diverse set of circadian clock mutants was isolated in a cyanobacterial strain that carries a bacterial luciferase reporter gene attached to a clock-controlled promoter. Among 150,000 clones of chemically mutagenized bioluminescent cells, 12 mutants were isolated that exhibit a broad spectrum of periods (between 16 and 60 hours), and 5 mutants were found that show a variety of unusual patterns, including arrhythmia. These mutations appear to be clock-specific. Moreover, it was demonstrated that in this cyanobacterium it is possible to clone mutant genes by complementation, which provides a means to genetically dissect the circadian mechanism.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kondo, T -- Tsinoremas, N F -- Golden, S S -- Johnson, C H -- Kutsuna, S -- Ishiura, M -- GM37040/GM/NIGMS NIH HHS/ -- MH43836/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1994 Nov 18;266(5188):1233-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Institute for Basic Biology, Okazaki, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7973706" target="_blank"〉PubMed〈/a〉
    Keywords: Circadian Rhythm/*genetics ; Cloning, Molecular ; Cyanobacteria/*genetics/growth & development/physiology ; Darkness ; *Genes, Bacterial ; Genetic Complementation Test ; Light ; Luminescent Measurements ; Mutagenesis ; Mutation ; Temperature
    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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    Engineering poliovirus as a vaccine vector for the expression of diverse antigens (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-09-02
    Description: As a step toward developing poliovirus as a vaccine vector, poliovirus recombinants were constructed by fusing exogenous peptides (up to 400 amino acids) and an artificial cleavage site for viral protease 3Cpro to the amino terminus of the viral polyprotein. Viral replication proceeded normally. An extended polyprotein was produced in infected cells and proteolytically processed into the complete array of viral proteins plus the foreign peptide, which was excluded from mature virions. The recombinants retained exogenous sequences through successive rounds of replication in culture and in vivo. Infection of animals with recombinants elicited a humoral immune response to the foreign peptides.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Andino, R -- Silvera, D -- Suggett, S D -- Achacoso, P L -- Miller, C J -- Baltimore, D -- Feinberg, M B -- AI22346/AI/NIAID NIH HHS/ -- AI35545/AI/NIAID NIH HHS/ -- RR00169/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1994 Sep 2;265(5177):1448-51.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, University of California, San Francisco.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8073288" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antibodies, Bacterial/biosynthesis ; Antibodies, Viral/biosynthesis ; Antigens, Bacterial/genetics/immunology ; Antigens, Viral/genetics/immunology ; Base Sequence ; Cloning, Molecular ; *Genetic Engineering ; Genetic Vectors ; HeLa Cells ; Humans ; Macaca fascicularis ; Mice ; Mice, Transgenic ; Molecular Sequence Data ; Poliovirus/*genetics/immunology/physiology ; Poliovirus Vaccine, Oral/*genetics ; *Protein Biosynthesis ; Proteins/metabolism ; Recombinant Proteins/biosynthesis/metabolism ; Vaccines, Synthetic/genetics/*immunology ; Virus Replication
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    Drosophila TAFII150: similarity to yeast gene TSM-1 and specific binding to core promoter DNA (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-05-13
    Description: In Drosophila and human cells, the TATA binding protein (TBP) of the transcription factor IID (TFIID) complex is tightly associated with multiple subunits termed TBP-associated factors (TAFs) that are essential for mediating regulation of RNA polymerase II transcription. The Drosophila TAFII150 has now been molecularly cloned and biochemically characterized. The deduced primary amino acid sequence of dTAFII150 reveals a striking similarity to the essential yeast gene, TSM-1. Furthermore, like dTAFII150, the TSM-1 protein is found associated with the TBP in vivo, thus identifying the first yeast homolog of a TAF associated with TFIID. Both the product of TSM-1 and dTAFII150 bind directly to TBP and dTAFII250, demonstrating a functional similarity between human and yeast TAFs. Surprisingly, DNA binding studies indicate that purified recombinant dTAFII150 binds specifically to DNA sequences overlapping the start site of transcription. The data demonstrate that at least one of the TAFs is a sequence-specific DNA binding protein and that dTAFII150 together with TBP are responsible for TFIID interactions with an extended region of the core promoter.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Verrijzer, C P -- Yokomori, K -- Chen, J L -- Tjian, R -- New York, N.Y. -- Science. 1994 May 13;264(5161):933-41.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, University of California, Berkeley 94720-3202.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8178153" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cloning, Molecular ; DNA/*metabolism ; DNA-Binding Proteins/chemistry/genetics/*metabolism ; Drosophila ; *Drosophila Proteins ; Genes, Fungal ; Genes, Insect ; Histone Acetyltransferases ; Humans ; Molecular Sequence Data ; Nuclear Proteins/metabolism ; *Promoter Regions, Genetic ; RNA Polymerase II/metabolism ; Recombinant Proteins/metabolism ; Saccharomyces cerevisiae/genetics ; *Saccharomyces cerevisiae Proteins ; Sequence Alignment ; TATA Box ; *TATA-Binding Protein Associated Factors ; TATA-Box Binding Protein ; Transcription Factor TFIID ; Transcription Factors/chemistry/genetics/*metabolism
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Identification of herpesvirus-like DNA sequences in AIDS-associated Kaposi's sarcoma (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-12-16
    Description: Representational difference analysis was used to isolate unique sequences present in more than 90 percent of Kaposi's sarcoma (KS) tissues obtained from patients with acquired immunodeficiency syndrome (AIDS). These sequences were not present in tissue DNA from non-AIDS patients, but were present in 15 percent of non-KS tissue DNA samples from AIDS patients. The sequences are homologous to, but distinct from, capsid and tegument protein genes of the Gammaherpesvirinae, herpesvirus saimiri and Epstein-Barr virus. These KS-associated herpesvirus-like (KSHV) sequences appear to define a new human herpesvirus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chang, Y -- Cesarman, E -- Pessin, M S -- Lee, F -- Culpepper, J -- Knowles, D M -- Moore, P S -- New York, N.Y. -- Science. 1994 Dec 16;266(5192):1865-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, 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/7997879" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*complications ; Amino Acid Sequence ; Base Composition ; Base Sequence ; Blotting, Southern ; Cloning, Molecular ; DNA, Viral/*analysis/chemistry/genetics ; Female ; Herpesviridae/*genetics ; Herpesvirus 2, Saimiriine/genetics ; Herpesvirus 4, Human/genetics ; Humans ; Male ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Open Reading Frames ; Polymerase Chain Reaction ; Retrospective Studies ; Sarcoma, Kaposi/etiology/*virology ; Sequence Homology, Amino Acid
    Print ISSN: 0036-8075
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  • 5
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    A genetic linkage map for the zebrafish (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-04-29
    Description: To facilitate molecular genetic analysis of vertebrate development, haploid genetics was used to construct a recombination map for the zebrafish Danio (Brachydanio) rerio. The map consists of 401 random amplified polymorphic DNAs (RAPDs) and 13 simple sequence repeats spaced at an average interval of 5.8 centimorgans. Strategies that exploit the advantages of haploid genetics and RAPD markers were developed that quickly mapped lethal and visible mutations and that placed cloned genes on the map. This map is useful for the position-based cloning of mutant genes, the characterization of chromosome rearrangements, and the investigation of evolution in vertebrate genomes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Postlethwait, J H -- Johnson, S L -- Midson, C N -- Talbot, W S -- Gates, M -- Ballinger, E W -- Africa, D -- Andrews, R -- Carl, T -- Eisen, J S -- 1RO1AI26734/AI/NIAID NIH HHS/ -- HD07470/HD/NICHD NIH HHS/ -- NS23915/NS/NINDS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1994 Apr 29;264(5159):699-703.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Neurosciences, University of Oregon, Eugene 97403.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8171321" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Chromosome Mapping ; Cloning, Molecular ; Female ; Genetic Markers ; Genotype ; Male ; Mutation ; Phenotype ; Polymerase Chain Reaction ; Repetitive Sequences, Nucleic Acid ; Software ; Zebrafish/*genetics
    Print ISSN: 0036-8075
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  • 6
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    Genetic control of programmed cell death in Drosophila (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-04-29
    Description: A gene, reaper (rpr), that appears to play a central control function for the initiation of programmed cell death (apoptosis) in Drosophila was identified. Virtually all programmed cell death that normally occurs during Drosophila embryogenesis was blocked in embryos homozygous for a small deletion that includes the reaper gene. Mutant embryos contained many extra cells and failed to hatch, but many other aspects of development appeared quite normal. Deletions that include reaper also protected embryos from apoptosis caused by x-irradiation and developmental defects. However, high doses of x-rays induced some apoptosis in mutant embryos, and the resulting corpses were phagocytosed by macrophages. These data suggest that the basic cell death program is intact although it was not activated in mutant embryos. The DNA encompassed by the deletion was cloned and the reaper gene was identified on the basis of the ability of cloned DNA to restore apoptosis to cell death defective embryos in germ line transformation experiments. The reaper gene appears to encode a small peptide that shows no homology to known proteins, and reaper messenger RNA is expressed in cells destined to undergo apoptosis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉White, K -- Grether, M E -- Abrams, J M -- Young, L -- Farrell, K -- Steller, H -- 5 F32 NS08536/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1994 Apr 29;264(5159):677-83.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Brain and Cognitive Sciences, Cambridge, MA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8171319" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Apoptosis/*genetics ; Base Sequence ; Cloning, Molecular ; DNA Primers ; Drosophila/cytology/embryology/*genetics ; *Drosophila Proteins ; Embryo, Nonmammalian/cytology ; *Genes, Insect ; Models, Genetic ; Molecular Sequence Data ; Mutation ; Nervous System/cytology ; Neurons/cytology ; Peptides/chemistry/*genetics/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    Expressed sequence tags (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-12-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, M M -- Emanuel, B S -- New York, N.Y. -- Science. 1994 Dec 16;266(5192):1790-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7997870" target="_blank"〉PubMed〈/a〉
    Keywords: Biological Specimen Banks ; Chromosome Mapping ; Cloning, Molecular ; *DNA, Complementary ; *Databases, Factual ; Gene Expression ; *Genome, Human ; Humans ; Sequence Analysis, DNA
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
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    The Drosophila saxophone gene: a serine-threonine kinase receptor of the TGF-beta superfamily (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-03-25
    Description: The Drosophila decapentaplegic (dpp) gene encodes a transforming growth factor-beta (TGF-beta)-like protein that plays a key role in several aspects of development. Transduction of the DPP signal was investigated by cloning of serine-threonine kinase transmembrane receptors from Drosophila because this type of receptor is specific for the TGF-beta-like ligands. Here evidence is provided demonstrating that the Drosophila saxophone (sax) gene, a previously identified female sterile locus, encodes a TGF-beta-like type I receptor. Embryos from sax mothers and dpp embryos exhibit similar mutant phenotypes during early gastrulation, and these two loci exhibit genetic interactions, which suggest that they are utilized in the same pathway. These data suggest that sax encodes a receptor for dpp.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Xie, T -- Finelli, A L -- Padgett, R W -- New York, N.Y. -- Science. 1994 Mar 25;263(5154):1756-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Waksman Institute, Rutgers University, Piscataway, NJ 08855-0759.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8134837" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cloning, Molecular ; Drosophila/embryology/*genetics/metabolism ; *Drosophila Proteins ; Embryo, Nonmammalian/metabolism ; Female ; *Genes, Insect ; Insect Hormones/genetics/*metabolism ; Male ; Molecular Sequence Data ; Mutation ; Protein-Serine-Threonine Kinases/chemistry/*genetics/metabolism ; Receptors, Transforming Growth Factor beta/chemistry/*genetics/metabolism ; Signal Transduction ; Transforming Growth Factor beta/genetics/*metabolism
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    Arabidopsis ABA response gene ABI1: features of a calcium-modulated protein phosphatase (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-06-03
    Description: The Arabidopsis ABI1 locus is essential for a wide spectrum of abscisic acid (ABA) responses throughout plant development. Here, ABI1 was shown to regulate stomatal aperture in leaves and mitotic activity in root meristems. The ABI1 gene was cloned and predicted to encode a signaling protein. Although its carboxyl-terminal domain is related to serine-threonine phosphatase 2C, the ABI1 protein has a unique amino-terminal extension containing an EF hand calcium-binding site. These results suggest that the ABI1 protein is a Ca(2+)-modulated phosphatase and functions to integrate ABA and Ca2+ signals with phosphorylation-dependent response pathways.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leung, J -- Bouvier-Durand, M -- Morris, P C -- Guerrier, D -- Chefdor, F -- Giraudat, J -- New York, N.Y. -- Science. 1994 Jun 3;264(5164):1448-52.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut des Sciences Vegetales, Centre National de la Recherche Scientifique UPR 40, Gif-sur-Yvette, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7910981" target="_blank"〉PubMed〈/a〉
    Keywords: Abscisic Acid/*pharmacology ; Amino Acid Sequence ; Arabidopsis/chemistry/cytology/*genetics/physiology ; *Arabidopsis Proteins ; Calcium/*metabolism ; Cloning, Molecular ; *Genes, Plant ; Mitosis ; Molecular Sequence Data ; Mutation ; Phenotype ; Phosphoprotein Phosphatases/chemistry/*genetics/*metabolism ; Phosphorylation ; Plants, Genetically Modified ; Polymorphism, Restriction Fragment Length ; Signal Transduction ; Transformation, Genetic
    Print ISSN: 0036-8075
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  • 10
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    Coding of hemolysins within the ribosomal RNA repeat on a plasmid in Entamoeba histolytica (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-03-11
    Description: The pathogenesis of amoebic dysentery is a result of cytolysis of the colonic mucosa by the parasitic protozoan Entamoeba histolytica. The cytolysis results in extensive local ulceration and allows the amoeba to penetrate and metastasize to distant sites. Factors involved in this process were defined with three clones that express hemolytic activities in Escherichia coli. These potential amoebic virulence determinants were also toxic to human colonic epithelial cells, the primary cellular targets in amoebal invasion of the large intestine. The coding sequences for the hemolysins were close to each other on a 2.6-kilobase segment of a 25-kilobase extrachromosomal DNA element. The structural genes for the hemolysins were within inverted repeats that encode ribosomal RNAs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jansson, A -- Gillin, F -- Kagardt, U -- Hagblom, P -- New York, N.Y. -- Science. 1994 Mar 11;263(5152):1440-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology, Uppsala University, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8128227" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cell Survival/drug effects ; Cloning, Molecular ; Entamoeba histolytica/*genetics/pathogenicity ; Escherichia coli/genetics ; *Genes, Protozoan ; Hemolysin Proteins/*genetics/toxicity ; Molecular Sequence Data ; Open Reading Frames ; *Plasmids ; RNA, Protozoan/genetics ; RNA, Ribosomal/*genetics ; Repetitive Sequences, Nucleic Acid ; Tumor Cells, Cultured ; Virulence
    Print ISSN: 0036-8075
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  • 11
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    Fusion of a kinase gene, ALK, to a nucleolar protein gene, NPM, in non-Hodgkin's lymphoma (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-03-04
    Description: The 2;5 chromosomal translocation occurs in most anaplastic large-cell non-Hodgkin's lymphomas arising from activated T lymphocytes. This rearrangement was shown to fuse the NPM nucleolar phosphoprotein gene on chromosome 5q35 to a previously unidentified protein tyrosine kinase gene, ALK, on chromosome 2p23. In the predicted hybrid protein, the amino terminus of nucleophosmin (NPM) is linked to the catalytic domain of anaplastic lymphoma kinase (ALK). Expressed in the small intestine, testis, and brain but not in normal lymphoid cells, ALK shows greatest sequence similarity to the insulin receptor subfamily of kinases. Unscheduled expression of the truncated ALK may contribute to malignant transformation in these lymphomas.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morris, S W -- Kirstein, M N -- Valentine, M B -- Dittmer, K G -- Shapiro, D N -- Saltman, D L -- Look, A T -- CA 21765/CA/NCI NIH HHS/ -- KO8 CA 01702/CA/NCI NIH HHS/ -- P01 CA 20180/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1994 Mar 4;263(5151):1281-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Experimental Oncology, St. Jude Children's Research Hospital, Memphis, TN 38105.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8122112" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Brain/enzymology ; Cell Transformation, Neoplastic ; Chromosome Walking ; Chromosomes, Human, Pair 2 ; Chromosomes, Human, Pair 5 ; Cloning, Molecular ; Gene Expression Regulation, Neoplastic ; Humans ; Intestine, Small/enzymology ; Lymphoma, Large-Cell, Anaplastic/chemistry/enzymology/*genetics ; Male ; Molecular Sequence Data ; Nuclear Proteins/chemistry/*genetics ; Phosphoproteins/chemistry/*genetics ; Promoter Regions, Genetic ; Protein-Tyrosine Kinases/chemistry/*genetics ; RNA, Messenger/genetics/metabolism ; Receptor Protein-Tyrosine Kinases ; Sequence Alignment ; Signal Transduction ; Testis/enzymology ; *Translocation, Genetic ; Tumor Cells, Cultured
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  • 12
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    A molecular determinant for submillisecond desensitization in glutamate receptors (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-11-11
    Description: The decay of excitatory postsynaptic currents in central neurons mediated by alpha-amino-3-hydroxy-5-methyl-4-isoxazole-propionate (AMPA) receptors is likely to be shaped either by receptor desensitization or by offset after removal of glutamate from the synaptic cleft. Native AMPA receptors show desensitization time constants of 1 to about 10 milliseconds, but the underlying molecular determinants of these large differences are unknown. Cloned AMPA receptors carrying the "flop" splice variants of glutamate receptor subtype C (GluR-C) and GluR-D are shown to have desensitization time constants of around 1 millisecond, whereas those with the "flip" variants are about four times slower. Cerebellar granule cells switch their expression of GluR-D splice variants from mostly flip forms in early stages to predominantly flop forms in the adult rat brain. These findings suggest that rapid desensitization of AMPA receptors can be regulated by the expression and alternative splicing of GluR-D gene transcripts.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mosbacher, J -- Schoepfer, R -- Monyer, H -- Burnashev, N -- Seeburg, P H -- Ruppersberg, J P -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 1994 Nov 11;266(5187):1059-62.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max-Planck-Institut fur medizinische Forschung, Heidelberg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7973663" target="_blank"〉PubMed〈/a〉
    Keywords: Alternative Splicing ; Animals ; Cells, Cultured ; Cerebellum/cytology/metabolism ; Cloning, Molecular ; Glutamic Acid/*pharmacology ; In Situ Hybridization ; Oocytes ; Patch-Clamp Techniques ; Rats ; Receptors, AMPA/drug effects/genetics/*physiology ; Recombinant Proteins ; Synaptic Transmission ; Xenopus laevis
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 13
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    Requirement for the yeast gene LON in intramitochondrial proteolysis and maintenance of respiration (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-04-08
    Description: The role of protein degradation in mitochondrial homeostasis was explored by cloning of a gene from Saccharomyces cerevisiae that encodes a protein resembling the adenosine triphosphate (ATP)-dependent bacterial protease Lon. The predicted yeast protein has a typical mitochondrial matrix-targeting sequence at its amino terminus. Yeast cells lacking a functional LON gene contained a nonfunctional mitochondrial genome, were respiratory-deficient, and lacked an ATP-dependent proteolytic activity present in the mitochondria of Lon+ cells. Lon- cells were also impaired in their ability to catalyze the energy-dependent degradation of several mitochondrial matrix proteins and they accumulated electron-dense inclusions in their mitochondrial matrix.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Suzuki, C K -- Suda, K -- Wang, N -- Schatz, G -- New York, N.Y. -- Science. 1994 Apr 8;264(5156):273-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biozentrum der Universitat Basel, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8146662" target="_blank"〉PubMed〈/a〉
    Keywords: ATP-Dependent Proteases ; Adenosine Triphosphatases/genetics/metabolism ; Amino Acid Sequence ; Base Sequence ; Cloning, Molecular ; Fungal Proteins/metabolism ; *Genes, Fungal ; Heat-Shock Proteins/*genetics/metabolism ; Microscopy, Electron ; Mitochondria/*metabolism/ultrastructure ; Molecular Sequence Data ; *Oxygen Consumption ; Saccharomyces cerevisiae/*genetics/metabolism ; Serine Endopeptidases/*genetics/metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 14
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    Association of intestinal peptide transport with a protein related to the cadherin superfamily (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-04-15
    Description: The first step in oral absorption of many medically important peptide-based drugs is mediated by an intestinal proton-dependent peptide transporter. This transporter facilitates the oral absorption of beta-lactam antibiotics and angiotensin-converting enzyme inhibitors from the intestine into enterocytes lining the luminal wall. A monoclonal antibody that blocked uptake of cephalexin was used to identify and clone a gene that encodes an approximately 92-kilodalton membrane protein that was associated with the acquisition of peptide transport activity by transport-deficient cells. The amino acid sequence deduced from the complementary DNA sequence of the cloned gene indicated that this transport-associated protein shares several conserved structural elements with the cadherin superfamily of calcium-dependent, cell-cell adhesion proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dantzig, A H -- Hoskins, J A -- Tabas, L B -- Bright, S -- Shepard, R L -- Jenkins, I L -- Duckworth, D C -- Sportsman, J R -- Mackensen, D -- Rosteck, P R Jr -- New York, N.Y. -- Science. 1994 Apr 15;264(5157):430-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, IN 46285.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8153632" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Biological Transport ; CHO Cells ; Cadherins/*chemistry ; Carrier Proteins/*chemistry/genetics/isolation & purification/metabolism ; Cephalexin/*metabolism ; Cloning, Molecular ; Cricetinae ; Glycosylation ; Humans ; Hydrogen-Ion Concentration ; Intestinal Mucosa/*metabolism ; Leucine/analogs & derivatives/metabolism ; *Membrane Transport Proteins ; Mice ; Mice, Inbred A ; Molecular Sequence Data ; Open Reading Frames ; Sequence Homology, Amino Acid ; Transfection ; Tumor Cells, Cultured
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 15
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    Crystal structure of rat DNA polymerase beta: evidence for a common polymerase mechanism (1994)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1994-06-24
    Description: Structures of the 31-kilodalton catalytic domain of rat DNA polymerase beta (pol beta) and the whole 39-kilodalton enzyme were determined at 2.3 and 3.6 angstrom resolution, respectively. The 31-kilodalton domain is composed of fingers, palm, and thumb subdomains arranged to form a DNA binding channel reminiscent of the polymerase domains of the Klenow fragment of Escherichia coli DNA polymerase I, HIV-1 reverse transcriptase, and bacteriophage T7 RNA polymerase. The amino-terminal 8-kilodalton domain is attached to the fingers subdomain by a flexible hinge. The two invariant aspartates found in all polymerase sequences and implicated in catalytic activity have the same geometric arrangement within structurally similar but topologically distinct palms, indicating that the polymerases have maintained, or possibly re-evolved, a common nucleotidyl transfer mechanism. The location of Mn2+ and deoxyadenosine triphosphate in pol beta confirms the role of the invariant aspartates in metal ion and deoxynucleoside triphosphate binding.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sawaya, M R -- Pelletier, H -- Kumar, A -- Wilson, S H -- Kraut, J -- CA17374/CA/NCI NIH HHS/ -- ES06839/ES/NIEHS NIH HHS/ -- GM10928/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1994 Jun 24;264(5167):1930-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, University of California, San Diego 92093-0317.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7516581" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding Sites ; Cloning, Molecular ; Crystallization ; Crystallography, X-Ray ; DNA/metabolism ; DNA Polymerase I/*chemistry/metabolism ; DNA-Directed RNA Polymerases/chemistry/metabolism ; Deoxyadenine Nucleotides/chemistry/metabolism ; Deoxycytosine Nucleotides/chemistry/metabolism ; Dideoxynucleotides ; HIV Reverse Transcriptase ; Protein Folding ; Protein Structure, Secondary ; RNA-Directed DNA Polymerase/chemistry/metabolism ; Rats ; Recombinant Proteins/chemistry ; Viral Proteins
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 16
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    Modulation of epithelial cell growth by intraepithelial gamma delta T cells (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-11-18
    Description: The role played in immune surveillance by gamma delta T cells residing in various epithelia has not been clear. It is shown here that activated gamma delta T cells obtained from skin and intestine express the epithelial cell mitogen keratinocyte growth factor (KGF). In contrast, intraepithelial alpha beta T cells, as well as all lymphoid alpha beta and gamma delta T cell populations tested, did not produce KGF or promote the growth of cultured epithelial cells. These results suggest that intraepithelial gamma delta T cells function in surveillance and in repair of damaged epithelial tissues.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Boismenu, R -- Havran, W L -- AI32751/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1994 Nov 18;266(5188):1253-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology, Scripps Research Institute, La Jolla, CA 92037.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7973709" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cell Division ; Cell Line ; Cells, Cultured ; Cloning, Molecular ; Dendritic Cells/*physiology ; Epithelial Cells ; Fibroblast Growth Factor 10 ; Fibroblast Growth Factor 7 ; *Fibroblast Growth Factors ; Growth Substances/*biosynthesis/genetics ; Keratinocytes/*cytology ; Lymphocyte Activation ; Mice ; Molecular Sequence Data ; *Receptors, Antigen, T-Cell, gamma-delta ; T-Lymphocyte Subsets/immunology/metabolism/*physiology
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  • 17
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    Requirement of human renal water channel aquaporin-2 for vasopressin-dependent concentration of urine (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-04-01
    Description: Concentration of urine in mammals is regulated by the antidiuretic hormone vasopressin. Binding of vasopressin to its V2 receptor leads to the insertion of water channels in apical membranes of principal cells in collecting ducts. In nephrogenic diabetes insipidus (NDI), the kidney fails to concentrate urine in response to vasopressin. A male patient with an autosomal recessive form of NDI was found to be a compound heterozygote for two mutations in the gene encoding aquaporin-2, a water channel. Functional expression studies in Xenopus oocytes revealed that each mutation resulted in nonfunctional water channel proteins. Thus, aquaporin-2 is essential for vasopressin-dependent concentration of urine.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Deen, P M -- Verdijk, M A -- Knoers, N V -- Wieringa, B -- Monnens, L A -- van Os, C H -- van Oost, B A -- New York, N.Y. -- Science. 1994 Apr 1;264(5155):92-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Physiology, University of Nijmegen, Netherlands.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8140421" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Aquaporin 2 ; Aquaporin 6 ; *Aquaporins ; Base Sequence ; Cloning, Molecular ; Deamino Arginine Vasopressin/*pharmacology ; Diabetes Insipidus/*genetics/physiopathology ; Female ; Genes, Recessive ; Heterozygote ; Humans ; Kidney/metabolism/*physiology ; *Kidney Concentrating Ability ; Male ; Membrane Proteins/chemistry/genetics/*physiology ; Molecular Sequence Data ; Oocytes ; Pedigree ; Point Mutation ; Protein Structure, Secondary ; RNA, Complementary/genetics ; Water/metabolism ; Xenopus laevis
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  • 18
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    Human severe combined immunodeficiency due to a defect in ZAP-70, a T cell tyrosine kinase (1994)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1994-06-10
    Description: A homozygous mutation in the kinase domain of ZAP-70, a T cell receptor-associated protein tyrosine kinase, produced a distinctive form of human severe combined immunodeficiency. Manifestations of this disorder included profound immunodeficiency, absence of peripheral CD8+ T cells, and abundant peripheral CD4+ T cells that were refractory to T cell receptor-mediated activation. These findings demonstrate that ZAP-70 is essential for human T cell function and suggest that CD4+ and CD8+ T cells depend on different intracellular signaling pathways to support their development or survival.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Elder, M E -- Lin, D -- Clever, J -- Chan, A C -- Hope, T J -- Weiss, A -- Parslow, T G -- AI29313/AI/NIAID NIH HHS/ -- GM43574/GM/NIGMS NIH HHS/ -- RR01271/RR/NCRR NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1994 Jun 10;264(5165):1596-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pediatrics, University of California, San Francisco 94143-0110.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8202712" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Amino Acid Sequence ; Animals ; Base Sequence ; Cell Line ; Cloning, Molecular ; Female ; Frameshift Mutation ; Gene Deletion ; Homozygote ; Humans ; Infant ; Male ; Molecular Sequence Data ; Polymerase Chain Reaction ; Protein-Tyrosine Kinases/*genetics/metabolism ; Receptors, Antigen, T-Cell/*metabolism ; Severe Combined Immunodeficiency/*genetics/immunology ; Signal Transduction ; T-Lymphocyte Subsets/*immunology ; Transfection ; Tumor Cells, Cultured ; ZAP-70 Protein-Tyrosine Kinase
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  • 19
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    A protein phosphatase 2C involved in ABA signal transduction in Arabidopsis thaliana (1994)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1994-06-03
    Description: The plant hormone abscisic acid (ABA) mediates various responses such as stomatal closure, the maintenance of seed dormancy, and the inhibition of plant growth. All three responses are affected in the ABA-insensitive mutant abi1 of Arabidopsis thaliana, suggesting that an early step in the signaling of ABA is controlled by the ABI1 locus. The ABI1 gene was cloned by chromosome walking, and a missense mutation was identified in the structural gene of the abi1 mutant. The ABI1 gene encodes a protein with high similarity to protein serine or threonine phosphatases of type 2C with the novel feature of a putative Ca2+ binding site. Thus, the control of the phosphorylation state of cell signaling components by the ABI1 product could mediate pleiotropic hormone responses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Meyer, K -- Leube, M P -- Grill, E -- New York, N.Y. -- Science. 1994 Jun 3;264(5164):1452-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Plant Sciences, Swiss Federal Institute of Technology, Zurich.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8197457" target="_blank"〉PubMed〈/a〉
    Keywords: Abscisic Acid/*pharmacology ; Amino Acid Sequence ; Arabidopsis/enzymology/genetics/*metabolism ; *Arabidopsis Proteins ; Binding Sites ; Calcium/metabolism ; Chromosome Walking ; Cloning, Molecular ; Genes, Plant ; Genetic Markers ; Molecular Sequence Data ; Mutation ; Phosphoprotein Phosphatases/chemistry/genetics/*metabolism ; Plants, Genetically Modified ; *Signal Transduction
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  • 20
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    An interleukin-4-induced transcription factor: IL-4 Stat (1994)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1994-09-16
    Description: Interleukin-4 (IL-4) is an immunomodulatory cytokine secreted by activated T lymphocytes, basophils, and mast cells. It plays an important role in modulating the balance of T helper (Th) cell subsets, favoring expansion of the Th2 lineage relative to Th1. Imbalance of these T lymphocyte subsets has been implicated in immunological diseases including allergy, inflammation, and autoimmune disease. IL-4 may mediate its biological effects, at least in part, by activating a tyrosine-phosphorylated DNA binding protein. This protein has now been purified and its encoding gene cloned. Examination of the primary amino acid sequence of this protein indicates that it is a member of the signal transducers and activators of transcription (Stat) family of DNA binding proteins, hereby designated IL-4 Stat. Study of the inhibitory activities of phosphotyrosine-containing peptides derived from the intracellular domain of the IL-4 receptor provided evidence for direct coupling of receptor and transcription factor during the IL-4 Stat activation cycle. Such observations indicate that IL-4 Stat has the same functional domain for both receptor coupling and dimerization.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hou, J -- Schindler, U -- Henzel, W J -- Ho, T C -- Brasseur, M -- McKnight, S L -- New York, N.Y. -- Science. 1994 Sep 16;265(5179):1701-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Tularik, Inc., South San Francisco, CA 94080.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8085155" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Cell Line ; Cloning, Molecular ; Cross-Linking Reagents ; DNA/metabolism ; DNA-Binding Proteins/chemistry/genetics/isolation & purification/*metabolism ; Humans ; Interleukin-4/*pharmacology ; Interleukin-4 Receptor alpha Subunit ; Models, Biological ; Molecular Sequence Data ; Monocytes/metabolism ; Phosphopeptides/metabolism/pharmacology ; Phosphorylation ; Polymers ; Receptors, Cell Surface ; Receptors, Interleukin-4 ; Receptors, Mitogen/*metabolism ; STAT6 Transcription Factor ; Trans-Activators/chemistry/genetics/isolation & purification/*metabolism ; Transcription Factors/chemistry/genetics/*metabolism
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  • 21
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    Reconstitution of transcription factor SL1: exclusive binding of TBP by SL1 or TFIID subunits (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-12-23
    Description: RNA polymerase I and II transcription factors SL1 and TFIID, respectively, are composed of the TATA-binding protein (TBP) and a set of TBP-associated factors (TAFs) responsible for promoter recognition. How the universal transcription factor TBP becomes committed to a TFIID or SL1 complex has not been known. Complementary DNAs encoding each of the three TAFIs that are integral components of SL1 have not been isolated. Analysis of subunit interactions indicated that the three TAFIs can bind individually and specifically to TBP. In addition, these TAFIs interact with each other to form a stable TBP-TAF complex. When TBP was bound first by either TAFI110, 63, or 48, subunits of TFIID such as TAFII250 and 150 did not bind TBP. Conversely, if TBP first formed a complex with TAFII250 or 150, the subunits of SL1 did not bind TBP. These results suggest that a mutually exclusive binding specificity for TBP intrinsic to SL1 and TFIID subunits directs the formation of promoter- and RNA polymerase-selective TBP-TAF complexes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Comai, L -- Zomerdijk, J C -- Beckmann, H -- Zhou, S -- Admon, A -- Tjian, R -- New York, N.Y. -- Science. 1994 Dec 23;266(5193):1966-72.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Molecular and Cell Biology, University of California at Berkeley 94720-3204.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7801123" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Binding, Competitive ; Cloning, Molecular ; DNA, Complementary/genetics ; DNA-Binding Proteins/chemistry/genetics/isolation & purification/*metabolism ; HeLa Cells ; Humans ; Molecular Sequence Data ; *Pol1 Transcription Initiation Complex Proteins ; Promoter Regions, Genetic ; Protein Binding ; RNA Polymerase I/metabolism ; TATA Box ; *TATA-Binding Protein Associated Factors ; TATA-Box Binding Protein ; Transcription Factor TFIID ; Transcription Factors/chemistry/genetics/isolation & purification/*metabolism ; Transcription, Genetic
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  • 22
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    RPS2 of Arabidopsis thaliana: a leucine-rich repeat class of plant disease resistance genes (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-09-23
    Description: Plant disease resistance genes function is highly specific pathogen recognition pathways. PRS2 is a resistance gene of Arabidopsis thaliana that confers resistance against Pseudomonas syringae bacteria that express avirulence gene avrRpt2. RPS2 was isolated by the use of a positional cloning strategy. The derived amino acid sequence of RPS2 contains leucine-rich repeat, membrane-spanning, leucine zipper, and P loop domains. The function of the RPS2 gene product in defense signal transduction is postulated to involve nucleotide triphosphate binding and protein-protein interactions and may also involve the reception of an elicitor produced by the avirulent pathogen.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bent, A F -- Kunkel, B N -- Dahlbeck, D -- Brown, K L -- Schmidt, R -- Giraudat, J -- Leung, J -- Staskawicz, B J -- New York, N.Y. -- Science. 1994 Sep 23;265(5180):1856-60.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Plant Biology, University of California, Berkeley 94720.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8091210" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Arabidopsis/*genetics/microbiology ; *Arabidopsis Proteins ; Chromosome Mapping ; Cloning, Molecular ; Cosmids ; DNA, Complementary/genetics ; Genes, Bacterial ; *Genes, Plant ; Leucine Zippers ; Molecular Sequence Data ; Phenotype ; Plant Diseases/*genetics ; Plant Proteins/chemistry/*genetics ; Pseudomonas/genetics/pathogenicity ; Signal Transduction ; Virulence
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  • 23
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    Suppression of hyphal formation in Candida albicans by mutation of a STE12 homolog (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-12-09
    Description: A Candida albicans gene (CPH1) was cloned that encodes a protein homologous to Saccharomyces cerevisiae Ste12p, a transcription factor that is the target of the pheromone response mitogen-activated protein kinase cascade. CPH1 complements both the mating defect of ste12 haploids and the filamentous growth defect of ste12/ste12 diploids. Candida albicans strains without a functional CPH1 gene (cph1/cph1) show suppressed hyphal formation on solid medium. However, cph1/cph1 strains can still form hyphae in liquid culture and in response to serum. Thus, filamentous growth may be activated in C. albicans by the same signaling kinase cascade that activates Ste12p in S. cerevisiae; however, alternative pathways may exist in C. albicans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, H -- Kohler, J -- Fink, G R -- GM402661/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1994 Dec 9;266(5191):1723-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead Institute for Biomedical Research, Cambridge, MA 02142.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7992058" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Candida albicans/cytology/genetics/*growth & development ; Cloning, Molecular ; Culture Media ; Fungal Proteins/chemistry/*genetics/physiology ; *Genes, Fungal ; Genetic Complementation Test ; Molecular Sequence Data ; Mutation ; Saccharomyces cerevisiae/cytology/genetics/growth & development ; *Saccharomyces cerevisiae Proteins ; Transcription Factors/chemistry/*genetics/physiology
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  • 24
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    The TATA-binding protein: a general transcription factor in eukaryotes and archaebacteria (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-05-27
    Description: The TATA-binding protein TBP appears to be essential for all transcription in eukaryotic cell nuclei, which suggests that its function was established early in evolution. Archaebacteria constitute a kingdom of organisms distinct from eukaryotes and eubacteria. Archaebacterial gene regulatory sequences often map to TATA box-like motifs. Here it is shown that the archaebacterium Pyrococcus woesei expresses a protein with structural and functional similarity to eukaryotic TBP molecules. This suggests that TBP's role in transcription was established before the archaebacterial and eukaryotic lineages diverged and that the transcription systems of archaebacteria and eukaryotes are fundamentally homologous.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rowlands, T -- Baumann, P -- Jackson, S P -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 1994 May 27;264(5163):1326-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wellcome/CRC Institute, Cambridge, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8191287" target="_blank"〉PubMed〈/a〉
    Keywords: Adenovirus E1A Proteins/genetics ; Amino Acid Sequence ; Arabidopsis/genetics ; Archaea/chemistry/*genetics/metabolism ; Base Sequence ; *Biological Evolution ; Cloning, Molecular ; DNA-Binding Proteins/chemistry/*genetics/metabolism ; Eukaryotic Cells/*metabolism ; Genes, Bacterial ; Molecular Sequence Data ; Polymerase Chain Reaction ; Recombinant Fusion Proteins ; Saccharomyces cerevisiae/genetics ; Saccharomyces cerevisiae Proteins ; *TATA Box ; TATA-Box Binding Protein ; Transcription Factor TFIIB ; *Transcription Factor TFIIIB ; Transcription Factors/chemistry/*genetics/metabolism ; Transcription, Genetic ; Tumor Suppressor Protein p53/genetics
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  • 25
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    Specification of pore properties by the carboxyl terminus of inwardly rectifying K+ channels (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-05-06
    Description: Inwardly rectifying potassium (K+) channels (IRKs) maintain the resting membrane potential of cells and permit prolonged depolarization, such as during the cardiac action potential. Inward rectification may result from block of the ion conduction pore by intracellular magnesium (Mgi2+). Two members of this family, IRK1 and ROMK1, which share 40 percent amino acid identity, differ markedly in single-channel K+ conductance and sensitivity to block by Mgi2+. The conserved H5 regions were hypothesized to determine these pore properties because they have this function in voltage-dependent K+ channels and in cyclic nucleotide-gated channels. However, exchange of the H5 region between IRK1 and ROMK1 had no effect on rectification and little or no effect on K+ conductance. By contrast, exchange of the amino- and carboxyl-terminal regions together transferred Mg2+ blockade and K+ conductance of IRK1 to ROMK1. Exchange of the carboxyl but not the amino terminus had a similar effect. Therefore, the carboxyl terminus appears to have a major role in specifying the pore properties of IRKs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Taglialatela, M -- Wible, B A -- Caporaso, R -- Brown, A M -- HL36930/HL/NHLBI NIH HHS/ -- HL37044/HL/NHLBI NIH HHS/ -- NS23877/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1994 May 6;264(5160):844-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Physiology and Biophysics, Baylor College of Medicine, Houston, TX 77030.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8171340" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Binding Sites ; Cloning, Molecular ; Electric Conductivity ; Ion Channel Gating ; Magnesium/*metabolism/pharmacology ; Membrane Potentials ; Molecular Sequence Data ; Oocytes ; Potassium/*metabolism ; Potassium Channels/chemistry/*metabolism/*physiology ; *Potassium Channels, Inwardly Rectifying ; Recombinant Fusion Proteins/chemistry/metabolism ; Sequence Alignment ; Xenopus
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    Splicing of the rolA transcript of Agrobacterium rhizogenes in Arabidopsis (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-12-23
    Description: The rolA gene encoded on the Ri plasmid A4 of Agrobacterium rhizogenes is one of the transferred (TL-DNA) genes involved in the pathogenesis of hairy-root disease in plants. The function of the 100-amino acid protein product of rolA is unknown, although its expression causes physiological and developmental alterations in transgenic plants. The rolA gene of A. rhizogenes contains an intron in its untranslated leader region that has features typical of plant pre-messenger RNA introns. Transcription and splicing of the rolA pre-messenger RNA occur in the plant cell.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Magrelli, A -- Langenkemper, K -- Dehio, C -- Schell, J -- Spena, A -- New York, N.Y. -- Science. 1994 Dec 23;266(5193):1986-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max-Plank-Institut fur Zuchtungsforschung, Cologne, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7528444" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/*genetics/microbiology ; Base Sequence ; Cloning, Molecular ; DNA, Bacterial/genetics ; Genes, Bacterial ; Introns ; Molecular Sequence Data ; Mutation ; Plants, Genetically Modified ; *Plasmids ; RNA Precursors/*genetics ; *RNA Splicing ; RNA, Bacterial/*genetics ; Rhizobium/*genetics ; Transcription, Genetic
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    cDNA cloning and interferon gamma down-regulation of proteasomal subunits X and Y (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-08-26
    Description: Proteasomes are the proteolytic complex responsible for major histocompatibility complex (MHC) class I-restricted antigen presentation. Interferon gamma treatment increases expression MHC-encoded LMP2 and LMP7 subunits of the proteasome and decreases expression of two proteasome subunits, named X and Y, which alters the proteolytic specificity of proteasomes. Molecular cloning of complementary DNAs encoding X and Y showed that their proteins are proteasomal subunits with high amino acid similarity to LMP7 and LMP2, respectively. Thus, interferon gamma may induce subunit replacements of X and Y by LMP7 and LMP2, respectively, producing proteasomes perhaps more appropriate for the immunological processing of endogenous antigens.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Akiyama, K -- Yokota, K -- Kagawa, S -- Shimbara, N -- Tamura, T -- Akioka, H -- Nothwang, H G -- Noda, C -- Tanaka, K -- Ichihara, A -- New York, N.Y. -- Science. 1994 Aug 26;265(5176):1231-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Urology, School of Medicine, University of Tokushima, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8066462" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Cloning, Molecular ; *Cysteine Endopeptidases ; DNA, Complementary/genetics ; *Down-Regulation ; Endopeptidases/chemistry/genetics ; Humans ; Interferon-gamma/*pharmacology ; Major Histocompatibility Complex ; Molecular Sequence Data ; *Multienzyme Complexes ; *Proteasome Endopeptidase Complex ; Proteins/chemistry/*genetics/metabolism ; Sequence Homology, Amino Acid ; Tumor Cells, Cultured
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    Cloning of a Grb2 isoform with apoptotic properties (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-05-13
    Description: Growth factor receptor-bound protein 2 (Grb2) links tyrosine-phosphorylated proteins to a guanine nucleotide releasing factor of the son of sevenless (Sos) class by attaching to the former by its Src homology 2 (SH2) moiety and to the latter by its SH3 domains. An isoform of grb2 complementary DNA (cDNA) was cloned that has a deletion in the SH2 domain. The protein encoded by this cDNA, Grb3-3, did not bind to phosphorylated epidermal growth factor receptor (EGFR) but retained functional SH3 domains and inhibited EGF-induced transactivation of a Ras-responsive element. The messenger RNA encoding Grb3-3 was expressed in high amounts in the thymus of rats at an age when massive negative selection of thymocytes occurs. Microinjection of Grb3-3 into Swiss 3T3 fibroblasts induced apoptosis. These findings indicate that Grb3-3, by acting as a dominant negative protein over Grb2 and by suppressing proliferative signals, may trigger active programmed cell death.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fath, I -- Schweighoffer, F -- Rey, I -- Multon, M C -- Boiziau, J -- Duchesne, M -- Tocque, B -- New York, N.Y. -- Science. 1994 May 13;264(5161):971-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Rhone-Poulenc Rorer, Centre de Recherche de Vitry-Alfortville, Vitry sur Seine, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8178156" target="_blank"〉PubMed〈/a〉
    Keywords: 3T3 Cells ; *Adaptor Proteins, Signal Transducing ; Amino Acid Sequence ; Animals ; *Apoptosis ; Base Sequence ; Cloning, Molecular ; Epidermal Growth Factor/pharmacology ; GRB2 Adaptor Protein ; Humans ; Mice ; Molecular Sequence Data ; Proteins/*genetics/metabolism ; RNA, Messenger/genetics/metabolism ; Rats ; Receptor, Epidermal Growth Factor/*metabolism ; T-Lymphocytes/cytology ; Thymus Gland/metabolism ; Transcriptional Activation/drug effects ; Transfection
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    Obesity gene discovery may help solve weighty problem (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-12-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J -- New York, N.Y. -- Science. 1994 Dec 2;266(5190):1477-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7985012" target="_blank"〉PubMed〈/a〉
    Keywords: Adipose Tissue/metabolism ; Agouti Signaling Protein ; Animals ; Body Weight ; Cloning, Molecular ; *Genes ; Hormones/genetics/metabolism ; Humans ; *Intercellular Signaling Peptides and Proteins ; Mice ; Mice, Obese/*genetics ; *Mutation ; Obesity/*genetics/therapy ; Proteins/genetics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Attractive axon guidance molecules (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-09-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Baier, H -- Bonhoeffer, F -- New York, N.Y. -- Science. 1994 Sep 9;265(5178):1541-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max-Planck-Institut fur Entwicklungsbiologie, Tubingen, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8079167" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Axons/*physiology ; Caenorhabditis elegans ; *Caenorhabditis elegans Proteins ; Cell Movement ; Chick Embryo ; Cloning, Molecular ; Helminth Proteins/genetics/metabolism ; Nerve Growth Factors/chemistry/genetics/*physiology ; *Nerve Tissue Proteins ; Rats ; Tumor Suppressor Proteins
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    Genetic dissection of complex traits (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-09-30
    Description: Medical genetics was revolutionized during the 1980s by the application of genetic mapping to locate the genes responsible for simple Mendelian diseases. Most diseases and traits, however, do not follow simple inheritance patterns. Genetics have thus begun taking up the even greater challenge of the genetic dissection of complex traits. Four major approaches have been developed: linkage analysis, allele-sharing methods, association studies, and polygenic analysis of experimental crosses. This article synthesizes the current state of the genetic dissection of complex traits--describing the methods, limitations, and recent applications to biological problems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lander, E S -- Schork, N J -- HG00098/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 1994 Sep 30;265(5181):2037-48.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead Institute for Biomedical Research, Cambridge, MA 02142.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8091226" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; *Chromosome Mapping ; Cloning, Molecular ; Crosses, Genetic ; Female ; Genetic Linkage ; Genetic Markers ; *Genetic Predisposition to Disease ; Genetics, Medical/*methods ; Genotype ; Humans ; Male ; Pedigree ; Phenotype ; Research Design
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    inhA, a gene encoding a target for isoniazid and ethionamide in Mycobacterium tuberculosis (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-01-14
    Description: Isoniazid (isonicotinic acid hydrazide, INH) is one of the most widely used antituberculosis drugs, yet its precise target of action on Mycobacterium tuberculosis is unknown. A missense mutation within the mycobacterial inhA gene was shown to confer resistance to both INH and ethionamide (ETH) in M. smegmatis and in M. bovis. The wild-type inhA gene also conferred INH and ETH resistance when transferred on a multicopy plasmid vector to M. smegmatis and M. bovis BCG. The InhA protein shows significant sequence conservation with the Escherichia coli enzyme EnvM, and cell-free assays indicate that it may be involved in mycolic acid biosynthesis. These results suggest that InhA is likely a primary target of action for INH and ETH.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Banerjee, A -- Dubnau, E -- Quemard, A -- Balasubramanian, V -- Um, K S -- Wilson, T -- Collins, D -- de Lisle, G -- Jacobs, W R Jr -- AI27160/AI/NIAID NIH HHS/ -- UO1AI30189/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1994 Jan 14;263(5144):227-30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Albert Einstein College of Medicine, Bronx, NY 10461.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8284673" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Bacterial Proteins/chemistry/*genetics ; Base Sequence ; Cloning, Molecular ; Drug Resistance, Microbial/*genetics ; Ethionamide/metabolism/*pharmacology ; *Genes, Bacterial ; Isoniazid/metabolism/*pharmacology ; Molecular Sequence Data ; Mutation ; Mycobacterium/drug effects/genetics ; Mycobacterium bovis/drug effects/genetics ; Mycobacterium tuberculosis/chemistry/drug effects/*genetics/metabolism ; Mycolic Acids/metabolism ; Open Reading Frames ; *Oxidoreductases ; Sequence Alignment
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    Zinc finger phage: affinity selection of fingers with new DNA-binding specificities (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-02-04
    Description: A phage display system was developed and used to select zinc finger proteins with altered DNA-binding specificities. The three zinc fingers of the Zif268 protein were expressed on the surface of filamentous phage, and a library of variants was prepared by randomizing critical amino acids in the first zinc finger. Affinity selections, using DNA sites with base changes in the region recognized by the first finger, yielded Zif268 variants that bound tightly and specifically to the new sites. This phage system provides a tool for the study of protein-DNA interactions and may offer a general method for selecting zinc finger proteins that recognize desired target sites on double-stranded DNA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rebar, E J -- Pabo, C O -- New York, N.Y. -- Science. 1994 Feb 4;263(5147):671-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Massachusetts Institute of Technology, Cambridge 02139.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8303274" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Bacteriophages/genetics ; Base Sequence ; Cloning, Molecular ; DNA/*metabolism ; DNA-Binding Proteins/chemistry/genetics/*metabolism ; Genetic Variation ; Genetic Vectors ; Molecular Sequence Data ; Protein Binding ; Transcription Factors/chemistry/genetics/*metabolism ; Zinc Fingers/genetics/*physiology
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    iaglu, a gene from Zea mays involved in conjugation of growth hormone indole-3-acetic acid (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-09-16
    Description: Plants contain most of the growth hormone indole-3-acetic acid (IAA) in conjugated forms believed to be inactive in promoting growth. The iaglu gene, which controls the first step in the biosynthesis of the IAA conjugates of Zea mays, encodes (uridine 5'-diphosphate-glucose:indol-3-ylacetyl)-beta-D-glucosyl transferase. Protein synthesized by Escherichia coli that contained cloned 1-O-beta-D-indol-3-ylacetyl-glucose complementary DNA (cDNA) was catalytically active. The predicted amino acid sequence of the cDNA was confirmed by amino-terminal sequencing of the purified enzyme. Homologous nucleotide sequences were found in all plants tested. The blockage or enhancement of iaglu expression may permit regulation of plant growth.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Szerszen, J B -- Szczyglowski, K -- Bandurski, R S -- New York, N.Y. -- Science. 1994 Sep 16;265(5179):1699-701.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Botany and Plant Pathology, Michigan State University, East Lansing 48824.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8085154" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Cloning, Molecular ; DNA, Complementary ; Escherichia coli/genetics ; *Genes, Plant ; Genome ; Glucosyltransferases/chemistry/*genetics/metabolism ; Glycosylation ; Indoleacetic Acids/*metabolism ; Molecular Sequence Data ; Phosphorylation ; Recombinant Proteins/metabolism ; Sequence Alignment ; Zea mays/*genetics/metabolism
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    Ku80: product of the XRCC5 gene and its role in DNA repair and V(D)J recombination (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-09-02
    Description: The radiosensitive mutant xrs-6, derived from Chinese hamster ovary cells, is defective in DNA double-strand break repair and in ability to undergo V(D)J recombination. The human XRCC5 DNA repair gene, which complements this mutant, is shown here through genetic and biochemical evidence to be the 80-kilodalton subunit of the Ku protein. Ku binds to free double-stranded DNA ends and is the DNA-binding component of the DNA-dependent protein kinase. Thus, the Ku protein is involved in DNA repair and in V(D)J recombination, and these results may also indicate a role for the Ku-DNA-dependent protein kinase complex in those same processes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Taccioli, G E -- Gottlieb, T M -- Blunt, T -- Priestley, A -- Demengeot, J -- Mizuta, R -- Lehmann, A R -- Alt, F W -- Jackson, S P -- Jeggo, P A -- AI 20047/AI/NIAID NIH HHS/ -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 1994 Sep 2;265(5177):1442-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Children's Hospital, Boston, MA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8073286" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Antigens, Nuclear ; Base Sequence ; CHO Cells ; Cell Survival/radiation effects ; Cloning, Molecular ; Cricetinae ; DNA Damage ; *DNA Helicases ; DNA Repair/*genetics ; DNA-Binding Proteins/*genetics/metabolism ; *Genes, Immunoglobulin ; Genetic Complementation Test ; Humans ; Hybrid Cells ; Molecular Sequence Data ; Nuclear Proteins/*genetics/metabolism ; Receptors, Antigen, T-Cell/*genetics ; *Recombination, Genetic ; Transfection
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    Engineered biosynthesis of a complete macrolactone in a heterologous host (1994)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1994-07-22
    Description: Macrocyclic polyketides have been subjects of great interest in synthetic and biosynthetic chemistry because of their structural complexity and medicinal activities. With expression of the entire 6-deoxyerythronolide B synthase (DEBS) (10,283 amino acids) in a heterologous host, substantial quantities of 6-deoxyerythronolide B (6dEB), the aglycone of the macrolide antibiotic erythromycin, and 8,8a-deoxyoleandolide, a 14-membered lactone ring identical to 6dEB except for a methyl group side chain in place of an ethyl unit, were synthesized in Streptomyces coelicolor. The biosynthetic strategy utilizes a genetic approach that facilitates rapid structural manipulation of DEBS or other modular polyketide synthases (PKSs), including those found in actinomycetes with poorly developed genetic methods. From a technological viewpoint, this approach should allow the rational design of biosynthetic products and may eventually lead to the generation of diverse polyketide libraries by means of combinatorial cloning of naturally occurring and mutant PKS modules.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kao, C M -- Katz, L -- Khosla, C -- New York, N.Y. -- Science. 1994 Jul 22;265(5171):509-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemical Engineering, Stanford University, CA 94305-5025.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8036492" target="_blank"〉PubMed〈/a〉
    Keywords: Acyl Coenzyme A/metabolism ; Base Sequence ; Binding Sites ; Cloning, Molecular ; Drug Design ; Erythromycin/*analogs & derivatives/biosynthesis/isolation & purification ; Escherichia coli/genetics ; Genes, Bacterial ; Genetic Engineering ; Genetic Vectors ; Molecular Sequence Data ; Multienzyme Complexes/chemistry/*genetics/metabolism ; Multigene Family ; Mutation ; Oleandomycin/*analogs & derivatives/biosynthesis/isolation & purification ; Recombinant Proteins/metabolism ; Streptomyces/enzymology/genetics ; Structure-Activity Relationship
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    Sea urchin egg receptor for sperm: sequence similarity of binding domain and hsp70 (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-03-05
    Description: Fertilization depends on cell surface recognition proteins that interact and thereby mediate binding and subsequent fusion of the sperm and egg. Overlapping complementary DNA's encoding the egg plasma membrane receptor for sperm from the sea urchin Strongylocentrotus purpuratus were cloned and sequenced. Analysis of the deduced primary structure suggests that the receptor is a transmembrane protein with a short cytoplasmic domain. This domain showed no sequence similarity to known protein sequences. In contrast, the extracellular, sperm binding domain of the receptor did show sequence similarity to the heat shock protein 70 (hsp70) family of proteins. Recombinant protein representing this portion of the receptor bound to the sperm protein, binding, and also inhibited fertilization in a species-specific manner; beads coated with the protein became specifically bound to acrosome-reacted sperm. These data provide a basis for detailed investigations of molecular interactions that occur in gamete recognition and egg activation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Foltz, K R -- Partin, J S -- Lennarz, W J -- HD18590/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1993 Mar 5;259(5100):1421-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Sciences, University of California, Santa Barbara 93106.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8383878" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cloning, Molecular ; Female ; Fertilization ; Heat-Shock Proteins/*genetics ; Humans ; Male ; Molecular Sequence Data ; Ovum/physiology ; Receptors, Cell Surface/*genetics/metabolism ; Recombinant Proteins/metabolism ; Restriction Mapping ; Sea Urchins ; Sequence Homology, Amino Acid ; Sperm-Ovum Interactions ; Spermatozoa/cytology/physiology
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    Origin recognition complex (ORC) in transcriptional silencing and DNA replication in S. cerevisiae (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-12-17
    Description: In Saccharomyces cerevisiae, the HMR-E silencer blocks site-specific interactions between proteins and their recognition sequences in the vicinity of the silencer. Silencer function is correlated with the firing of an origin of replication at HMR-E. An essential gene with a role in transcriptional silencing was identified by means of a screen for mutations affecting expression of HMR. This gene, known as ORC2, was shown to encode a component of the origin recognition complex that binds yeast origins of replication. A temperature-sensitive mutation in ORC2 disrupted silencing in cells grown at the permissive temperature. At the restrictive temperature, the orc2-1 mutation caused cell cycle arrest at a point in the cell cycle indicative of blocks in DNA replication. The orc2-1 mutation also resulted in the enhanced mitotic loss of a plasmid, suggestive of a defect in replication. These results provide strong evidence for an in vivo role of ORC in both chromosomal replication and silencing, and provide a link between the mechanism of silencing and DNA replication.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Foss, M -- McNally, F J -- Laurenson, P -- Rine, J -- GM31105/GM/NIGMS NIH HHS/ -- P30ES01896-12/ES/NIEHS NIH HHS/ -- New York, N.Y. -- Science. 1993 Dec 17;262(5141):1838-44.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cellular Biology, University of California, Berkeley 94720.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8266071" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Amino Acid Sequence ; Cell Cycle ; Cloning, Molecular ; *DNA Replication ; DNA, Fungal/genetics/metabolism ; *DNA-Binding Proteins ; Fungal Proteins/chemistry/*genetics/metabolism ; *Gene Expression Regulation, Fungal ; *Genes, Fungal ; Molecular Sequence Data ; Mutation ; Origin Recognition Complex ; Phenotype ; Plasmids ; *Replicon ; Repressor Proteins/chemistry/*genetics/metabolism ; Saccharomyces cerevisiae/cytology/*genetics/metabolism ; Saccharomyces cerevisiae Proteins ; Transcription, Genetic
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    Expression cloning and signaling properties of the rat glucagon receptor (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-03-12
    Description: Glucagon and the glucagon receptor are a primary source of control over blood glucose concentrations and are especially important to studies of diabetes in which the loss of control over blood glucose concentrations clinically defines the disease. A complementary DNA clone for the glucagon receptor was isolated by an expression cloning strategy, and the receptor protein was expressed in several kidney cell lines. The cloned receptor bound glucagon and caused an increase in the intracellular concentration of adenosine 3', 5'-monophosphate (cAMP). The cloned glucagon receptor also transduced a signal that led to an increased concentration of intracellular calcium. The glucagon receptor is similar to the calcitonin and parathyroid hormone receptors. It can transduce signals leading to the accumulation of two different second messengers, cAMP and calcium.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jelinek, L J -- Lok, S -- Rosenberg, G B -- Smith, R A -- Grant, F J -- Biggs, S -- Bensch, P A -- Kuijper, J L -- Sheppard, P O -- Sprecher, C A -- New York, N.Y. -- Science. 1993 Mar 12;259(5101):1614-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉ZymoGenetics Inc., Seattle, WA 98105.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8384375" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Calcium/pharmacology ; Cell Line ; Cloning, Molecular ; Cricetinae ; Cyclic AMP/metabolism ; Glucagon/metabolism/*pharmacology ; Kidney ; Kinetics ; Liver/*metabolism ; Molecular Sequence Data ; Rats ; Receptors, Gastrointestinal Hormone/genetics/metabolism/*physiology ; Receptors, Glucagon ; *Signal Transduction ; Transfection
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    Inhibition of Rev-mediated HIV-1 expression by an RNA binding protein encoded by the interferon-inducible 9-27 gene (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-02-26
    Description: Interferon inhibits expression of human immunodeficiency virus type-1 (HIV-1) through unknown mechanisms. A gene inducible by interferon-alpha (IFN-alpha) and interferon-gamma (IFN-gamma) was isolated by screening of a human complementary DNA library for proteins binding to the Rev-responsive element (RRE) of HIV-1. The product of this gene, RBP9-27, was shown to bind RNA in vitro and to inhibit HIV-1 expression after transfection into human cells. RBP9-27 primarily inhibited Rev-dependent posttranscriptional steps of viral gene expression. Thus, RBP9-27 is a cellular factor that antagonizes Rev function. These results suggest an interferon-induced antiviral mechanism operating through the induction of RNA binding proteins such as RBP9-27. Elucidation of RBP9-27 function may lead to a better understanding of the mechanism of interferon action during HIV-1 infection.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Constantoulakis, P -- Campbell, M -- Felber, B K -- Nasioulas, G -- Afonina, E -- Pavlakis, G N -- N0-CO-74101/CO/NCI NIH HHS/ -- New York, N.Y. -- Science. 1993 Feb 26;259(5099):1314-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Human Retrovirus Section, National Cancer Institute-Frederick Cancer Research and Development Center, MD 21702.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7680491" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Cloning, Molecular ; *Gene Expression Regulation, Viral ; Genes, env ; *Genes, rev ; HIV-1/*genetics ; Humans ; Interferons/pharmacology ; *Membrane Proteins ; Molecular Sequence Data ; Oligodeoxyribonucleotides/chemistry ; RNA-Binding Proteins/*genetics ; Regulatory Sequences, Nucleic Acid
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    Microbial competition: Escherichia coli mutants that take over stationary phase cultures (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-03-19
    Description: Many microorganisms, including Escherichia coli, can survive extended periods of starvation. The properties of cells that survived prolonged incubation in stationary phase were studied by mixture of 10-day-old (aged) cultures with 1-day-old (young) cultures of the same strain of Escherichia coli. Mutants from the aged cultures that could grow eventually took over the population, which resulted in the death of the cells from the young cultures. This phenotype was conferred by mutations in rpoS, which encodes a putative stationary phase-specific sigma factor. These rapid population shifts have implications for the studies of microbial evolution and ecology.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zambrano, M M -- Siegele, D A -- Almiron, M -- Tormo, A -- Kolter, R -- New York, N.Y. -- Science. 1993 Mar 19;259(5102):1757-60.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Molecular Genetics, Harvard Medical School, Boston, MA 02115.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7681219" target="_blank"〉PubMed〈/a〉
    Keywords: Acridine Orange ; Alleles ; Amino Acid Sequence ; Cloning, Molecular ; Escherichia coli/*genetics/*growth & development/physiology ; Hydrogen Peroxide/metabolism ; Molecular Sequence Data ; *Mutation ; Peroxidase/metabolism ; Phenotype ; Sigma Factor/chemistry/*genetics ; Staining and Labeling ; Time Factors
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    A genetic linkage map of the mouse: current applications and future prospects (1993)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1993-10-01
    Description: Technological advances have made possible the development of high-resolution genetic linkage maps for the mouse. These maps in turn offer exciting prospects for understanding mammalian genome evolution through comparative mapping, for developing mouse models of human disease, and for identifying the function of all genes in the organism.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Copeland, N G -- Jenkins, N A -- Gilbert, D J -- Eppig, J T -- Maltais, L J -- Miller, J C -- Dietrich, W F -- Weaver, A -- Lincoln, S E -- Steen, R G -- HG00198/HG/NHGRI NIH HHS/ -- N01-CO-74101/CO/NCI NIH HHS/ -- New York, N.Y. -- Science. 1993 Oct 1;262(5130):57-66.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉ABL-Basic Research Program, National Cancer Institute-Frederick Cancer Research and Development Center, MD 21702.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8211130" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; *Chromosome Mapping ; Cloning, Molecular ; Crosses, Genetic ; Female ; Genetic Markers ; *Genome ; Human Genome Project ; Humans ; Male ; Mice/*genetics ; Multigene Family ; Muridae/*genetics ; Mutation ; Neoplasms/genetics
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    Fusion between transcription factor CBF beta/PEBP2 beta and a myosin heavy chain in acute myeloid leukemia (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-08-20
    Description: The pericentric inversion of chromosome 16 [inv(16)(p13q22)] is a characteristic karyotypic abnormality associated with acute myeloid leukemia, most commonly of the M4Eo subtype. The 16p and 16q breakpoints were pinpointed by yeast artificial chromosome and cosmid cloning, and the two genes involved in this inversion were identified. On 16q the inversion occurred near the end of the coding region for CBF beta, also known as PEBP2 beta, a subunit of a heterodimeric transcription factor regulating genes expressed in T cells; on 16p a smooth muscle myosin heavy chain (SMMHC) gene (MYH11) was interrupted. In six of six inv(16) patient samples tested, an in-frame fusion messenger RNA was demonstrated that connected the first 165 amino acids of CBF beta with the tail region of SMMHC. The repeated coiled coil of SMMHC may result in dimerization of the CBF beta fusion protein, which in turn would lead to alterations in transcriptional regulation and contribute to leukemic transformation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, P -- Tarle, S A -- Hajra, A -- Claxton, D F -- Marlton, P -- Freedman, M -- Siciliano, M J -- Collins, F S -- CA55164/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1993 Aug 20;261(5124):1041-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor 48109.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8351518" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; *Chromosome Inversion ; *Chromosomes, Human, Pair 16 ; Cloning, Molecular ; Core Binding Factor Alpha 1 Subunit ; Core Binding Factor beta Subunit ; Core Binding Factors ; Cosmids ; DNA-Binding Proteins/*genetics ; Humans ; In Situ Hybridization, Fluorescence ; Leukemia, Myelomonocytic, Acute/*genetics ; Molecular Sequence Data ; Muscle, Smooth/chemistry ; Myosins/*genetics ; *Neoplasm Proteins ; Polymerase Chain Reaction ; Protein Multimerization ; Restriction Mapping ; Transcription Factor AP-2 ; Transcription Factors/*genetics
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    Identification of the von Hippel-Lindau disease tumor suppressor gene (1993)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1993-05-28
    Description: A gene discovered by positional cloning has been identified as the von Hippel-Lindau (VHL) disease tumor suppressor gene. A restriction fragment encompassing the gene showed rearrangements in 28 of 221 VHL kindreds. Eighteen of these rearrangements were due to deletions in the candidate gene, including three large nonoverlapping deletions. Intragenic mutations were detected in cell lines derived from VHL patients and from sporadic renal cell carcinomas. The VHL gene is evolutionarily conserved and encodes two widely expressed transcripts of approximately 6 and 6.5 kilobases. The partial sequence of the inferred gene product shows no homology to other proteins, except for an acidic repeat domain found in the procyclic surface membrane glycoprotein of Trypanosoma brucei.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Latif, F -- Tory, K -- Gnarra, J -- Yao, M -- Duh, F M -- Orcutt, M L -- Stackhouse, T -- Kuzmin, I -- Modi, W -- Geil, L -- New York, N.Y. -- Science. 1993 May 28;260(5112):1317-20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Immunobiology, National Cancer Institute-Frederick Cancer Research and Development Center (NCI-FCRDC), Frederick, MD 21702-1201.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8493574" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Carcinoma, Renal Cell/genetics ; Chromosomes, Human, Pair 3 ; Cloning, Molecular ; Gene Deletion ; *Genes, Tumor Suppressor ; Humans ; Kidney Neoplasms/genetics ; Membrane Glycoproteins/chemistry/*genetics ; Molecular Sequence Data ; Mutation ; Open Reading Frames ; Pedigree ; Polymorphism, Genetic ; Tumor Cells, Cultured ; von Hippel-Lindau Disease/*genetics
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    Reversal of left-right asymmetry: a situs inversus mutation (1993)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1993-04-30
    Description: A recessive mutation was identified in a family of transgenic mice that resulted in a reversal of left-right polarity (situs inversus) in 100 percent of the homozygous transgenic mice tested. Sequences that flanked the transgenic integration site were cloned and mapped to mouse chromosome 4, between the Tsha and Hxb loci. During early embryonic development, the direction of postimplantation turning, one of the earliest manifestations of left-right asymmetry, was reversed in homozygous transgenic embryos. This insertional mutation identifies a gene that controls embryonic turning and visceral left-right polarity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yokoyama, T -- Copeland, N G -- Jenkins, N A -- Montgomery, C A -- Elder, F F -- Overbeek, P A -- HD25340/HD/NICHD NIH HHS/ -- N01-CO-74101/CO/NCI NIH HHS/ -- New York, N.Y. -- Science. 1993 Apr 30;260(5108):679-82.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, Baylor College of Medicine, Houston, TX 77030.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8480178" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; Chromosome Mapping ; Cloning, Molecular ; Embryonic and Fetal Development/*genetics ; Female ; *Genes, Recessive ; Homozygote ; Male ; Mice ; Mice, Transgenic ; Mutagenesis, Insertional ; Situs Inversus/*genetics
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    Requirement for a GTPase-activating protein in vesicle budding from the endoplasmic reticulum (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-03-05
    Description: The binding and hydrolysis of guanosine triphosphate (GTP) by the small GTP-binding protein Sar1p is required to form transport vesicles from the endoplasmic reticulum (ER) in Saccharomyces cerevisiae. Experiments revealed that an interaction between Sar1p and the Sec23p subunit of an oligomeric protein is also required for vesicle budding. The isolated Sec23p subunit and the oligomeric complex stimulated guanosine triphosphatase (GTPase) activity of Sar1p 10- to 15-fold but did not activate two other small GTP-binding proteins involved in vesicle traffic (Ypt1p and ARF). Activation of GTPase was inhibited by an antibody to Sec23p but not by an antibody that inhibits the budding activity of the other subunit of the Sec23p complex. Also, activation was thermolabile in pure samples of Sec23p that were isolated from two independent sec23 mutant strains. It appears that Sec23p represents a new class of GTPase-activating protein because its sequence shows no similarity to any known member of this family.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yoshihisa, T -- Barlowe, C -- Schekman, R -- New York, N.Y. -- Science. 1993 Mar 5;259(5100):1466-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Molecular and Cell Biology, University of California, Berkeley 94720.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8451644" target="_blank"〉PubMed〈/a〉
    Keywords: COP-Coated Vesicles ; Cloning, Molecular ; Endoplasmic Reticulum/*metabolism/ultrastructure ; Fungal Proteins/genetics/metabolism ; GTP-Binding Proteins/genetics/*metabolism ; GTPase-Activating Proteins ; Genes, Fungal ; Kinetics ; Macromolecular Substances ; *Monomeric GTP-Binding Proteins ; Mutagenesis ; Proteins/*metabolism ; Saccharomyces cerevisiae/genetics/*metabolism ; *Saccharomyces cerevisiae Proteins ; Spheroplasts/metabolism ; Vesicular Transport Proteins
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    GDNF: a glial cell line-derived neurotrophic factor for midbrain dopaminergic neurons (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-05-21
    Description: A potent neurotrophic factor that enhances survival of midbrain dopaminergic neurons was purified and cloned. Glial cell line-derived neurotrophic factor (GDNF) is a glycosylated, disulfide-bonded homodimer that is a distantly related member of the transforming growth factor-beta superfamily. In embryonic midbrain cultures, recombinant human GDNF promoted the survival and morphological differentiation of dopaminergic neurons and increased their high-affinity dopamine uptake. These effects were relatively specific; GDNF did not increase total neuron or astrocyte numbers nor did it increase transmitter uptake by gamma-aminobutyric-containing and serotonergic neurons. GDNF may have utility in the treatment of Parkinson's disease, which is marked by progressive degeneration of midbrain dopaminergic neurons.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lin, L F -- Doherty, D H -- Lile, J D -- Bektesh, S -- Collins, F -- New York, N.Y. -- Science. 1993 May 21;260(5111):1130-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Synergen, Inc., Boulder, CO 80301.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8493557" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Astrocytes/cytology/drug effects ; Base Sequence ; Cell Differentiation/drug effects ; Cell Line ; Cell Survival/drug effects ; Cells, Cultured ; Cloning, Molecular ; Dopamine/*biosynthesis ; Glial Cell Line-Derived Neurotrophic Factor ; Humans ; Mesencephalon/cytology/*drug effects/metabolism ; Molecular Sequence Data ; Molecular Weight ; *Nerve Growth Factors ; Nerve Tissue Proteins/chemistry/genetics/isolation & purification/*pharmacology ; Neuroglia/*metabolism ; Neurons/cytology/*drug effects/metabolism ; Parkinson Disease/drug therapy ; Rats
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    The pluses of subtraction (1993)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1993-02-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Myers, R M -- New York, N.Y. -- Science. 1993 Feb 12;259(5097):942-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology, University of California, San Francisco 94143-0444.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8094900" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cloning, Molecular ; DNA/*chemistry ; DNA Probes ; Female ; Gene Deletion ; Humans ; Male ; Nucleic Acid Hybridization/*methods ; Polymerase Chain Reaction ; Polymorphism, Restriction Fragment Length
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    Rapid assessment of drug susceptibilities of Mycobacterium tuberculosis by means of luciferase reporter phages (1993)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1993-05-07
    Description: Effective chemotherapy of tuberculosis requires rapid assessment of drug sensitivity because of the emergence of multidrug-resistant Mycobacterium tuberculosis. Drug susceptibility was assessed by a simple method based on the efficient production of photons by viable mycobacteria infected with specific reporter phages expressing the firefly luciferase gene. Light production was dependent on phage infection, expression of the luciferase gene, and the level of cellular adenosine triphosphate. Signals could be detected within minutes after infection of virulent M. tuberculosis with reporter phages. Culture of conventional strains with antituberculosis drugs, including isoniazid or rifampicin, resulted in extinction of light production. In contrast, light signals after luciferase reporter phage infection of drug-resistant strains continued to be produced. Luciferase reporter phages may help to reduce the time required for establishing antibiotic sensitivity of M. tuberculosis strains from weeks to days and to accelerate screening for new antituberculosis drugs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jacobs, W R Jr -- Barletta, R G -- Udani, R -- Chan, J -- Kalkut, G -- Sosne, G -- Kieser, T -- Sarkis, G J -- Hatfull, G F -- Bloom, B R -- AI27235/AI/NIAID NIH HHS/ -- AI28927/AI/NIAID NIH HHS/ -- UO1AI30189/AI/NIAID NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1993 May 7;260(5109):819-22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Albert Einstein College of Medicine, Bronx, NY 10461.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8484123" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphate/metabolism ; Antitubercular Agents/*pharmacology ; Cloning, Molecular ; Drug Resistance, Microbial ; Luciferases/genetics/metabolism ; *Luminescent Measurements ; Microbial Sensitivity Tests/*methods ; Mycobacteriophages/genetics ; Mycobacterium/genetics/metabolism ; Mycobacterium bovis/drug effects/genetics/metabolism ; Mycobacterium tuberculosis/*drug effects/genetics/metabolism
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    Molecular mechanism of transcription-repair coupling (1993)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1993-04-02
    Description: Lesions in the transcribed strand block transcription and are repaired more rapidly than lesions in the nontranscribed (coding) strand which do not block RNA polymerase (RNAP). It has been shown previously that in Escherichia coli the mfd (mutation frequency decline) gene is necessary for strand-specific repair. The mfd gene was cloned and sequenced and the Mfd protein was purified and used to reconstitute strand-specific repair in a completely defined system. The mfd gene encodes a protein of 130 kilodaltons and contains the so-called "helicase motifs," a leucine zipper motif, and regions of sequence similarity to UvrB and RecG proteins. The Mfd protein was shown to (i) displace RNAP stalled at a lesion in an adenosine triphosphate-dependent reaction, (ii) bind to the damage recognition subunit (UvrA) of the excision nuclease, and (iii) stimulate the repair of the transcribed strand only when transcription is taking place. Thus, Mfd appears to target the transcribed strand for repair by recognizing a stalled RNAP and actively recruiting the repair enzyme to the transcription blocking lesion as it dissociates the stalled RNAP.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Selby, C P -- Sancar, A -- New York, N.Y. -- Science. 1993 Apr 2;260(5104):53-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Biophysics, University of North Carolina School of Medicine, Chapel Hill 27599.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8465200" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Bacterial Proteins/chemistry/*genetics/metabolism ; Base Sequence ; Binding Sites ; Cloning, Molecular ; *DNA Helicases ; DNA Repair/*genetics ; DNA, Bacterial/metabolism ; DNA-Directed RNA Polymerases/metabolism ; Endodeoxyribonucleases/metabolism ; Escherichia coli/*genetics ; *Escherichia coli Proteins ; Leucine Zippers ; Molecular Sequence Data ; Multienzyme Complexes/chemistry/genetics ; Mutation/genetics ; Transcription Factors/chemistry/*genetics/metabolism ; *Transcription, Genetic
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    Antagonism of catecholamine receptor signaling by expression of cytoplasmic domains of the receptors (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-03-05
    Description: The actions of many hormones and neurotransmitters are mediated by the members of a superfamily of receptors coupled to heterotrimeric guanine nucleotide-binding proteins (G proteins). These receptors are characterized by a highly conserved topographical arrangement in which seven transmembrane domains are connected by intracellular and extracellular loops. The interaction between these receptors and G proteins is mediated in large part by the third intracellular loop of the receptor. Coexpression of the third intracellular loop of the alpha 1B-adrenergic receptor with its parent receptor inhibited receptor-mediated activation of phospholipase C. The inhibition extended to the closely related alpha 1C-adrenergic receptor subtype, but not the phospholipase C-coupled M1 muscarinic acetylcholine receptor nor the adenylate cyclase-coupled D1A dopamine receptor. These results suggest that the receptor-G protein interface may represent a target for receptor antagonist drugs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Luttrell, L M -- Ostrowski, J -- Cotecchia, S -- Kendall, H -- Lefkowitz, R J -- HL16037/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1993 Mar 5;259(5100):1453-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Duke University Medical Center, Durham, NC 27710.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8383880" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Cell Line ; Cloning, Molecular ; Cyclic AMP/metabolism ; Cytoplasm/metabolism ; GTP-Binding Proteins/*metabolism ; Globins/genetics ; Glutathione Transferase/genetics/metabolism ; Humans ; Inositol Phosphates/metabolism ; Kinetics ; Molecular Sequence Data ; Muscarinic Antagonists ; Oligodeoxyribonucleotides ; Plasmids ; Protein Structure, Secondary ; Receptors, Adrenergic, alpha/genetics/*metabolism ; Receptors, Dopamine D1/antagonists & inhibitors/genetics/*metabolism ; Receptors, Muscarinic/genetics/*metabolism ; Recombinant Fusion Proteins/metabolism ; *Signal Transduction ; Transfection ; Type C Phospholipases/metabolism
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    The Caenorhabditis elegans unc-17 gene: a putative vesicular acetylcholine transporter (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-07-30
    Description: Mutations in the unc-17 gene of the nematode Caenorhabditis elegans produce deficits in neuromuscular function. This gene was cloned and complementary DNAs were sequenced. On the basis of sequence similarity to mammalian vesicular transporters of biogenic amines and of localization to synaptic vesicles of cholinergic neurons in C. elegans, unc-17 likely encodes the vesicular transporter of acetylcholine. Mutations that eliminated all unc-17 gene function were lethal, suggesting that the acetylcholine transporter is essential. Molecular analysis of unc-17 mutations will allow the correlation of specific parts of the gene (and the protein) with observed functional defects. The mutants will also be useful for the isolation of extragenic suppressors, which could identify genes encoding proteins that interact with UNC-17.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alfonso, A -- Grundahl, K -- Duerr, J S -- Han, H P -- Rand, J B -- R01 GM038679/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1993 Jul 30;261(5121):617-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Program in Molecular and Cell Biology, Oklahoma Medical Research Foundation, Oklahoma City 73104.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8342028" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylcholine/*metabolism ; Alleles ; Amino Acid Sequence ; Animals ; Caenorhabditis elegans/chemistry/cytology/*genetics ; *Caenorhabditis elegans Proteins ; Carrier Proteins/analysis/chemistry/*genetics ; Cloning, Molecular ; *Genes, Helminth ; Helminth Proteins/analysis/chemistry/*genetics ; *Membrane Transport Proteins ; Molecular Sequence Data ; Mutation ; Neurons/*chemistry ; Parasympathetic Nervous System/chemistry ; Phenotype ; Sequence Alignment ; Synaptic Vesicles/*chemistry ; Vesicular Acetylcholine Transport Proteins ; *Vesicular Transport Proteins
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    Released form of CNTF receptor alpha component as a soluble mediator of CNTF responses (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-03-19
    Description: The alpha component of the receptor for ciliary neurotrophic factor (CNTF) differs from other known growth factor receptors in that it is anchored to cell membranes by a glycosylphosphatidylinositol linkage. One possible function of this type of linkage is to allow for the regulated release of this receptor component. Cell lines not normally responsive to CNTF responded to treatment with a combination of CNTF and a soluble form of the CNTF alpha receptor component. These findings not only demonstrate that the CNTF receptor alpha chain is a required component of the functional CNTF receptor complex but also reveal that it can function in soluble form as part of a heterodimeric ligand. Potential physiological roles for the soluble CNTF receptor are suggested by its presence in cerebrospinal fluid and by its release from skeletal muscle in response to peripheral nerve injury.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davis, S -- Aldrich, T H -- Ip, N Y -- Stahl, N -- Scherer, S -- Farruggella, T -- DiStefano, P S -- Curtis, R -- Panayotatos, N -- Gascan, H -- New York, N.Y. -- Science. 1993 Mar 19;259(5102):1736-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Regeneron Pharmaceuticals, Inc., Tarrytown, NY 10591.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7681218" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation/drug effects ; Cell Division/drug effects ; Cell Membrane/metabolism ; Ciliary Neurotrophic Factor ; Cloning, Molecular ; Gene Expression ; Glycosylphosphatidylinositols/metabolism ; Growth Inhibitors/pharmacology ; Hematopoietic Stem Cells/cytology/drug effects ; Humans ; Interleukin-6/pharmacology ; Leukemia Inhibitory Factor ; Lymphokines/pharmacology ; Mice ; Muscle Denervation ; Muscles/innervation/metabolism ; Nerve Tissue Proteins/*pharmacology ; Phosphatidylinositol Diacylglycerol-Lyase ; Phosphoric Diester Hydrolases/metabolism ; Phosphotyrosine ; RNA, Messenger/genetics ; Rats ; Receptor, Ciliary Neurotrophic Factor ; Receptors, Cell Surface/chemistry/*physiology ; Signal Transduction/physiology ; Tumor Cells, Cultured ; Tyrosine/analogs & derivatives/metabolism
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    A faster walk along the genome (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-05-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Aldhous, P -- New York, N.Y. -- Science. 1993 May 21;260(5111):1075.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8493549" target="_blank"〉PubMed〈/a〉
    Keywords: *Base Sequence ; Cloning, Molecular ; DNA/*genetics ; Oligodeoxyribonucleotides/*genetics ; Sequence Analysis, DNA/*methods
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    DNA sequence determination by hybridization: a strategy for efficient large-scale sequencing (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-06-11
    Description: The concept of sequencing by hybridization (SBH) makes use of an array of all possible n-nucleotide oligomers (n-mers) to identify n-mers present in an unknown DNA sequence. Computational approaches can then be used to assemble the complete sequence. As a validation of this concept, the sequences of three DNA fragments, 343 base pairs in length, were determined with octamer oligonucleotides. Possible applications of SBH include physical mapping (ordering) of overlapping DNA clones, sequence checking, DNA fingerprinting comparisons of normal and disease-causing genes, and the identification of DNA fragments with particular sequence motifs in complementary DNA and genomic libraries. The SBH techniques may accelerate the mapping and sequencing phases of the human genome project.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Drmanac, R -- Drmanac, S -- Strezoska, Z -- Paunesku, T -- Labat, I -- Zeremski, M -- Snoddy, J -- Funkhouser, W K -- Koop, B -- Hood, L -- New York, N.Y. -- Science. 1993 Jun 11;260(5114):1649-52.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biological and Medical Research Division, Argonne National Laboratory, IL 60439.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8503011" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cloning, Molecular ; Humans ; Macaca mulatta ; Molecular Sequence Data ; *Nucleic Acid Hybridization ; Oligonucleotide Probes ; Sequence Analysis, DNA/*methods
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    Ixr1, a yeast protein that binds to platinated DNA and confers sensitivity to cisplatin (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-07-30
    Description: Structure-specific recognition proteins (SSRPs) bind to DNA containing intrastrand cross-links formed by the anticancer drug cisplatin. A yeast gene encoding an SSRP, designated IXR1, was cloned and sequenced. The Ixr1 protein, a member of the high mobility group-box protein family, bound specifically to DNA modified with cisplatin but not inactive platinum compounds. A yeast strain with an inactivated IXR1 gene was half as sensitive to cisplatin and accumulated one-third as many platinum-DNA lesions after treatment with cisplatin as the parental strain. These findings suggest that SSRPs play a role in mediating the cytotoxicity of cisplatin.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brown, S J -- Kellett, P J -- Lippard, S J -- New York, N.Y. -- Science. 1993 Jul 30;261(5121):603-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, Massachusetts Institute of Technology, Cambridge 02139.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8342024" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Cisplatin/*metabolism/*pharmacology ; Cloning, Molecular ; DNA/*metabolism ; *DNA Adducts ; DNA, Fungal/*metabolism ; *DNA-Binding Proteins ; Fungal Proteins/chemistry/genetics/*metabolism ; Genes, Fungal ; High Mobility Group Proteins/chemistry/genetics/*metabolism ; Molecular Sequence Data ; Saccharomyces cerevisiae/chemistry/drug effects/genetics/*metabolism ; *Saccharomyces cerevisiae Proteins
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    Identification of the SH3 domain of GAP as an essential sequence for Ras-GAP-mediated signaling (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-01-22
    Description: Guanosine triphosphatase activating protein (GAP) is an essential component of Ras signaling pathways. GAP functions in different cell types as a deactivator and a transmitter of cellular Ras signals. A domain (amino acids 275 to 351) encompassing the Src homology region 3 (SH3) of GAP was found to be essential for GAP signaling. A monoclonal antibody was used to block germinal vesicle breakdown (GVBD) induced by the oncogenic protein Ha-ras Lys12 in Xenopus oocytes. The monoclonal antibody, which was found to recognize the peptide containing amino acids 275 to 351 within the amino-terminal domain of GAP, did not modify the stimulation of the Ha-Ras-GTPase by GAP. Injection of peptides corresponding to amino acids 275 to 351 and 317 to 326 blocked GVBD induced by insulin or by Ha-Ras Lys12 but not that induced by progesterone. These findings confirm that GAP is an effector for Ras in Xenopus oocytes and that the SH3 domain is essential for signal transduction.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Duchesne, M -- Schweighoffer, F -- Parker, F -- Clerc, F -- Frobert, Y -- Thang, M N -- Tocque, B -- New York, N.Y. -- Science. 1993 Jan 22;259(5094):525-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Rhone Poulenc Rorer, Centre de Recherche de Vitry-Alfortville, Vitry Sur Seine, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7678707" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antibodies, Monoclonal ; Cloning, Molecular ; Epitopes/analysis ; Escherichia coli/genetics ; GTP Phosphohydrolases/metabolism ; GTPase-Activating Proteins ; *Genes, ras ; Genes, src ; Glutathione Transferase/genetics/metabolism ; Oocytes/physiology ; Polymerase Chain Reaction/methods ; Proteins/*genetics/immunology/*metabolism ; Recombinant Fusion Proteins/metabolism ; Recombinant Proteins/metabolism ; Sequence Homology, Amino Acid ; *Signal Transduction ; Xenopus ; ras GTPase-Activating Proteins
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    Formation of an Fe(III)-tyrosinate complex during biomineralization of H-subunit ferritin (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-02-05
    Description: An iron(III)-tyrosinate complex was identified in ferritin by ultraviolet-visible and resonance Raman spectroscopies. Previously, a specific amino acid side chain coordinated to iron in ferritin was not known. Ferritin protein was overexpressed in Escherichia coli from complementary DNA sequences of bullfrog red cell ferritin. The purple iron(III)-tyrosinate intermediate that formed during the first stages of iron uptake was replaced by the amber multinuclear iron(III)-oxo complexes of fully mineralized ferritin. Only the H subunit formed detectable amounts of the iron(III)-tyrosinate complex, which may explain the faster rates of iron biomineralization in H- compared to L-type ferritin.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Waldo, G S -- Ling, J -- Sanders-Loehr, J -- Theil, E C -- DK-20251/DK/NIDDK NIH HHS/ -- GM-18865/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1993 Feb 5;259(5096):796-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, North Carolina State University, Raleigh 27695.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8430332" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cloning, Molecular ; Erythrocytes/metabolism ; Escherichia coli/genetics ; Ferritins/chemistry/genetics/*metabolism ; Humans ; Macromolecular Substances ; Molecular Sequence Data ; Organometallic Compounds/*analysis ; Rana catesbeiana ; Recombinant Proteins/chemistry/metabolism ; Sequence Homology ; Spectrum Analysis, Raman ; Tyrosine/*analogs & derivatives/analysis
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    Learning how to suppress cancer (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-09-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J -- New York, N.Y. -- Science. 1993 Sep 10;261(5127):1385-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8367721" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cloning, Molecular ; *Genes, Tumor Suppressor ; Genes, p53 ; Genetic Engineering ; Genetic Therapy ; Humans ; Neoplasms/diagnosis/*genetics/therapy
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    Translocation of repetitive RNA sequences with the germ plasm in Xenopus oocytes (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-12-10
    Description: Xlsirts are a family of interspersed repeat RNAs from Xenopus laevis that contain from 3 to 13 repeat units (each 79 to 81 nucleotides long) flanked by unique sequences. They are homologous to the mammalian Xist gene that is involved in X chromosome inactivation. Xlsirt RNA appears first in the mitochondrial cloud (Balbiani body) in stage 2 oocytes and is then translocated as island-like structures to the vegetal cortex at early stage 3 coincident with the localization of the germ plasm. Exogenous Xlsirt RNA injected into oocytes translocates to the location of the endogenous RNA at that particular stage. The Xlsirt RNA repeat sequences are required for translocation and can cause the translocation of heterologous unique RNAs to the vegetal cortex.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kloc, M -- Spohr, G -- Etkin, L D -- New York, N.Y. -- Science. 1993 Dec 10;262(5140):1712-4.〈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/7505061" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cells, Cultured ; Cloning, Molecular ; DNA, Complementary ; Female ; In Situ Hybridization ; Molecular Sequence Data ; Nucleic Acid Conformation ; Oocytes/*metabolism ; Oogenesis ; RNA/chemistry/*metabolism ; *Repetitive Sequences, Nucleic Acid ; Xenopus laevis
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    U2AF homolog required for splicing in vivo (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-10-22
    Description: Several fission yeast temperature-sensitive mutants defective in pre-mRNA processing (prp- mutants) at the nonpermissive temperature have been identified. Here, the prp2+ gene has been cloned by its ability to complement the temperature-sensitive growth defect of a prp2- mutant. The gene also corrects the pre-mRNA splicing defect of prp2- mutants and encodes a 59-kilodalton polypeptide (PRP2). A molecular characterization indicates that PRP2 is a previously uncharacterized yeast splicing factor with extensive similarity to the mammalian splicing factor U2AF65. Thus, this study provides evidence that a U2AF homolog participates in RNA processing in vivo.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Potashkin, J -- Naik, K -- Wentz-Hunter, K -- R01GM47487/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1993 Oct 22;262(5133):573-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology and Molecular Biology, University of Health Sciences, Chicago Medical School, IL 60064.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8211184" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Cloning, Molecular ; Conserved Sequence ; DEAD-box RNA Helicases ; Fungal Proteins/chemistry/*genetics/metabolism ; Genes, Fungal ; Genetic Complementation Test ; Molecular Sequence Data ; *Nuclear Proteins ; RNA Precursors/*metabolism ; *RNA Splicing ; RNA, Fungal/metabolism ; Ribonucleoproteins/chemistry/*genetics/metabolism ; *Saccharomyces cerevisiae Proteins ; Schizosaccharomyces/*genetics ; Sequence Homology, Amino Acid
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    Regulation of the human hsp70 promoter by p53 (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-01-01
    Description: The tumor suppressor p53 is a nuclear phosphoprotein with characteristics of a transcription factor. It displays sequence-specific DNA binding, contains a potent transactivation domain, and has been implicated as both a transcriptional activator and a repressor. Transcription of the human hsp70 gene is stimulated by adenovirus E1a protein. This E1a transactivation of the hsp70 promoter is mediated by CCAAT binding factor (CBF). It is demonstrated here that p53 both represses transcription from the human hsp70 promoter and also interacts with CBF. Thus, the repression of the hsp70 promoter by p53 may be mediated by direct protein-protein interaction with CBF. These results suggest that protein-protein interaction between p53 and specific transcription factors may be an additional mechanism by which p53 regulates gene expression.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Agoff, S N -- Hou, J -- Linzer, D I -- Wu, B -- New York, N.Y. -- Science. 1993 Jan 1;259(5091):84-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, Molecular Biology, and Cell Biology, Northwestern University, Evanston, IL 60208.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8418500" target="_blank"〉PubMed〈/a〉
    Keywords: Adenovirus E1A Proteins/metabolism ; Base Sequence ; CCAAT-Enhancer-Binding Proteins ; Chloramphenicol O-Acetyltransferase/genetics/metabolism ; Cloning, Molecular ; DNA-Binding Proteins/metabolism ; Electrophoresis, Polyacrylamide Gel ; Escherichia coli/genetics ; *Gene Expression Regulation ; Heat-Shock Proteins/biosynthesis/*genetics/isolation & purification ; Humans ; *Promoter Regions, Genetic ; Recombinant Fusion Proteins/isolation & purification/metabolism ; TATA Box ; Transcription Factors/metabolism ; *Transcription, Genetic ; Tumor Suppressor Protein p53/genetics/isolation & purification/*metabolism
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    Database contamination (1993)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1993-04-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gersuk, V H -- Rose, T M -- New York, N.Y. -- Science. 1993 Apr 30;260(5108):605.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8480168" target="_blank"〉PubMed〈/a〉
    Keywords: Cloning, Molecular ; DNA, Fungal ; Databases, Factual ; *Gene Library ; *Genome, Human ; Humans ; RNA, Fungal/genetics ; RNA, Transfer/genetics
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    Identification of a mobile endogenous transposon in Arabidopsis thaliana (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-04-16
    Description: A mobile endogenous transposable element, Tag1, has been identified in the plant Arabidopsis thaliana. Tag1 was found in the nitrate transporter gene, CHL1, of a chlorate-resistant mutant present in a population of plants containing an active maize Ac transposon. Tag1 excises from the chl1 gene producing chlorate-sensitive revertants with Tag1 or Tag1-related elements at different loci. Tag1 and related elements are present in the Landsberg but not Columbia or Wassilewskija ecotypes of Arabidopsis. Thus, Tag1 provides a tool for the insertional mutagenesis of plant genes essential for biological processes of agronomic importance.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tsay, Y F -- Frank, M J -- Page, T -- Dean, C -- Crawford, N M -- 5T32CA09345-12/CA/NCI NIH HHS/ -- GM 40672/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1993 Apr 16;260(5106):342-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of California, San Diego, La Jolla 92093-0116.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8385803" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/drug effects/*genetics/metabolism ; Base Sequence ; Chlorates/pharmacology ; Cloning, Molecular ; DNA/chemistry/genetics ; *DNA Transposable Elements ; Drug Resistance ; *Genes, Plant ; Molecular Sequence Data ; Mutation ; Nitrates/metabolism ; Plants, Genetically Modified
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    Selection of bacterial virulence genes that are specifically induced in host tissues (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-01-29
    Description: A genetic system was devised that positively selects for bacterial genes that are specifically induced when bacteria infect their host. With the pathogen Salmonella typhimurium, the genes identified by this selection show a marked induction in bacteria recovered from mouse spleen. Mutations in all ivi (in vivo-induced) genes that were tested conferred a defect in virulence. This genetic system was designed to be of general use in a wide variety of bacterial-host systems and has several applications in both vaccine and antimicrobial drug development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mahan, M J -- Slauch, J M -- Mekalanos, J J -- AI08245/AI/NIAID NIH HHS/ -- AI26289/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1993 Jan 29;259(5095):686-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Molecular Genetics, Harvard Medical School, Boston, MA 02115.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8430319" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosomes, Bacterial ; Cloning, Molecular ; Genes, Bacterial ; Mice ; Mice, Inbred BALB C ; Mutagenesis ; Recombinant Fusion Proteins/metabolism ; Salmonella Infections, Animal/microbiology ; Salmonella typhimurium/*genetics/*pathogenicity ; Virulence/*genetics ; beta-Galactosidase/genetics/metabolism
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    The nonhelical structure of antifreeze protein type III (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-02-19
    Description: Antifreeze proteins (AFPs) are present in the blood of some marine fishes and inhibit the growth of ice crystals at subzero temperatures by adsorption to the ice lattice. The solution structure of a Type III AFP was determined by two-dimensional nuclear magnetic resonance spectroscopy. These measurements indicate that this 66-residue protein has an unusual fold in which eight beta strands form two sheets of three antiparallel strands and one sheet of two antiparallel strands, and the triple-stranded sheets are packed orthogonally into a beta sandwich. This structure is completely different from the amphipathic, helical structure observed for Type I AFPs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sonnichsen, F D -- Sykes, B D -- Chao, H -- Davies, P L -- New York, N.Y. -- Science. 1993 Feb 19;259(5098):1154-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Protein Engineering Network of Centres of Excellence, University of Alberta, Edmonton, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8438165" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antifreeze Proteins ; Cloning, Molecular ; Escherichia coli/genetics ; Fishes ; Freezing ; Genes, Synthetic ; Glycoproteins/*chemistry/genetics ; Magnetic Resonance Spectroscopy/methods ; Models, Molecular ; Molecular Sequence Data ; *Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; Recombinant Proteins/chemistry
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    Cloning of a type I TGF-beta receptor and its effect on TGF-beta binding to the type II receptor (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-05-28
    Description: Transforming growth factor-beta (TGF-beta) affects cellular proliferation, differentiation, and interaction with the extracellular matrix primarily through interaction with the type I and type II TGF-beta receptors. The type II receptors for TGF-beta and activin contain putative serine-threonine kinase domains. A murine serine-threonine kinase receptor, Tsk 7L, was cloned that shared a conserved extracellular domain with the type II TGF-beta receptor. Overexpression of Tsk 7L alone did not increase cell surface binding of TGF-beta, but coexpression with the type II TGF-beta receptor caused TGF-beta to bind to Tsk 7L, which had the size of the type I TGF-beta receptor. Overexpression of Tsk 7L inhibited binding of TGF-beta to the type II receptor in a dominant negative fashion. Combinatorial interactions and stoichiometric ratios between the type I and II receptors may therefore determine the extent of TGF-beta binding and the resulting biological activities.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ebner, R -- Chen, R H -- Shum, L -- Lawler, S -- Zioncheck, T F -- Lee, A -- Lopez, A R -- Derynck, R -- New York, N.Y. -- Science. 1993 May 28;260(5112):1344-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Growth and Development, University of California, San Francisco 94143-0640.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8388127" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Line ; Cercopithecus aethiops ; Cloning, Molecular ; Humans ; Mice ; Molecular Sequence Data ; Protein-Serine-Threonine Kinases ; Quail ; Receptors, Cell Surface/chemistry/genetics/*metabolism ; Receptors, Transforming Growth Factor beta ; Transfection ; Transforming Growth Factor beta/*metabolism
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    Release of excess amyloid beta protein from a mutant amyloid beta protein precursor (1993)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1993-01-22
    Description: The 4-kilodalton amyloid beta protein (A beta), which forms fibrillar deposits in Alzheimer's disease (AD), is derived from a large protein referred to as the amyloid beta protein precursor (beta APP). Human neuroblastoma (M17) cells transfected with constructs expressing wild-type beta APP or a mutant, beta APP delta NL, recently linked to familial AD were compared. After continuous metabolic labeling for 8 hours, cells expressing beta APP delta NL had five times more of an A beta-bearing, carboxyl terminal, beta APP derivative than cells expressing wild-type beta APP and they released six times more A beta into the medium. Thus this mutant beta APP may cause AD because its processing is altered in a way that releases increased amounts of A beta.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cai, X D -- Golde, T E -- Younkin, S G -- AG06656/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 1993 Jan 22;259(5094):514-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Neuropathology, Case Western Reserve University, Cleveland, OH 44106.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8424174" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/genetics/metabolism ; Amino Acid Sequence ; Amyloid beta-Peptides/*biosynthesis/genetics ; Amyloid beta-Protein Precursor/*genetics/metabolism ; Base Sequence ; Cloning, Molecular ; Humans ; Molecular Sequence Data ; *Mutagenesis, Site-Directed ; Neuroblastoma ; Oligodeoxyribonucleotides ; Polymerase Chain Reaction/methods ; Transfection ; Tumor Cells, Cultured
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    "MegaYAC" library (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-05-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Evans, G A -- New York, N.Y. -- Science. 1993 May 14;260(5110):877.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8493512" target="_blank"〉PubMed〈/a〉
    Keywords: *Chromosomes, Fungal ; Cloning, Molecular ; *Gene Library ; *Human Genome Project ; Humans
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    Arabidopsis ethylene-response gene ETR1: similarity of product to two-component regulators (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-10-22
    Description: Ethylene behaves as a hormone in plants, regulating such aspects of growth and development as fruit ripening, flower senescence, and abscission. Ethylene insensitivity is conferred by dominant mutations in the ETR1 gene early in the ethylene signal transduction pathway of Arabidopsis thaliana. The ETR1 gene was cloned by the method of chromosome walking. Each of the four known etr1 mutant alleles contains a missense mutation near the amino terminus of the predicted protein. Although the sequence of the amino-terminal half of the deduced ETR1 protein appears to be novel, the carboxyl-terminal half is similar in sequence to both components of the prokaryotic family of signal transducers known as the two-component systems. Thus, an early step in ethylene signal transduction in plants may involve transfer of phosphate as in prokaryotic two-component systems. The dominant etr1-1 mutant gene conferred ethylene insensitivity to wild-type Arabidopsis plants when introduced by transformation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chang, C -- Kwok, S F -- Bleecker, A B -- Meyerowitz, E M -- New York, N.Y. -- Science. 1993 Oct 22;262(5133):539-44.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biology 156-29, California Institute of Technology, Pasadena 91125.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8211181" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Arabidopsis/*genetics/metabolism ; Bacterial Proteins/chemistry/genetics ; Base Sequence ; Chromosome Walking ; Cloning, Molecular ; Ethylenes/*metabolism/pharmacology ; Genes, Dominant ; *Genes, Plant ; Molecular Sequence Data ; Plant Proteins/chemistry/*genetics/metabolism ; Protein Kinases/chemistry/genetics ; *Receptors, Cell Surface ; Sequence Alignment ; *Signal Transduction ; Transcription Factors/chemistry/genetics
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    Cyclin-dependent regulation of G1 in mammalian fibroblasts (1993)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1993-03-26
    Description: Eukaryotic cells become committed to proliferate during the G1 phase of the cell cycle. In budding yeast, commitment occurs when the catalytic subunit of a protein kinase, encoded by the CDC28 gene (the homolog of the fission yeast cdc2+ gene), binds to a positively acting regulatory subunit, a cyclin. Related kinases are also required for progression through the G1 phase in higher eukaryotes. The role of cyclins in controlling G1 progression in mammalian cells was tested by construction of fibroblasts that constitutively overexpress human cyclin E. This was found to shorten the duration of G1, decrease cell size, and diminish the serum requirement for the transition from G1 to S phase. These observations show that cyclin levels can be rate-limiting for G1 progression in mammalian cells and suggest that cyclin synthesis may be the target of physiological signals that control cell proliferation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ohtsubo, M -- Roberts, J M -- New York, N.Y. -- Science. 1993 Mar 26;259(5103):1908-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Basic Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA 98104.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8384376" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Division/physiology ; Cell Line ; Cloning, Molecular ; Cyclins/genetics/*physiology ; Fibroblasts/*cytology/metabolism ; Flow Cytometry ; G1 Phase/*physiology ; Gene Expression ; Genetic Vectors ; Humans ; Kanamycin Kinase ; Male ; Phosphotransferases/genetics ; Rats ; Recombinant Fusion Proteins/metabolism ; Retroviridae/genetics ; S Phase/physiology ; Time Factors ; Transfection
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    Characterization of a presynaptic glutamate receptor (1993)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1993-10-15
    Description: Glutamate receptors mediate excitatory neurotransmission in the brain and are important in the formation of memory and in some neurodegenerative disorders. A complementary DNA clone that encoded a 33-kilodalton protein (GR33) was obtained by screening a library with an antibody generated against glutamate binding proteins. The sequence of GR33 is identical to that of the recently reported presynaptic protein syntaxin. When GR33 was expressed in Xenopus oocytes, it formed glutamate-activated ion channels that are pharmacologically similar to those of N-methyl-D-aspartate receptors but with different electrophysiological properties. Mutation of the leucine 278 residue in the single putative transmembrane segment of GR33 affects the properties of the channel. Thus, in vivo GR33 may be a presynaptic glutamate receptor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smirnova, T -- Stinnakre, J -- Mallet, J -- New York, N.Y. -- Science. 1993 Oct 15;262(5132):430-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratoire de genetique moleculaire de la neurotransmission et des processus neurodegeneratifs, Centre National de la Recherche Scientifique (CNRS), Gif sur Yvette, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8105537" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Surface/chemistry ; Brain/embryology ; Brain Chemistry ; Calcium/metabolism ; Cells, Cultured ; Cloning, Molecular ; Glutamates/pharmacology ; Glutamic Acid ; Humans ; Membrane Potentials ; Mutagenesis, Site-Directed ; N-Methylaspartate/pharmacology ; Nerve Tissue Proteins/chemistry ; Neurons/chemistry ; Oocytes ; Rats ; Rats, Wistar ; Receptors, Glutamate/chemistry/genetics/*metabolism ; Receptors, N-Methyl-D-Aspartate/metabolism ; Receptors, Presynaptic/chemistry/genetics/*metabolism ; Syntaxin 1 ; Xenopus
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    Structure and functional expression of a member of the low voltage-activated calcium channel family (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-05-21
    Description: Oscillatory firing patterns are an intrinsic property of some neurons and have an important function in information processing. In some cells, low voltage-activated calcium channels have been proposed to underlie a depolarizing potential that regulates bursting. The sequence of a rat brain calcium channel alpha 1 subunit (rbE-II) was deduced. Although it is structurally related to high voltage-activated calcium channels, the rbE-II channel transiently activated at negative membrane potentials, required a strong hyperpolarization to deinactivate, and was highly sensitive to block by nickel. In situ hybridization showed that rbE-II messenger RNA is expressed in regions throughout the central nervous system. The electrophysiological properties of the rbE-II current are consistent with a type of low voltage-activated calcium channel that requires membrane hyperpolarization for maximal activity, which suggests that rbE-II may be involved in the modulation of firing patterns.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Soong, T W -- Stea, A -- Hodson, C D -- Dubel, S J -- Vincent, S R -- Snutch, T P -- New York, N.Y. -- Science. 1993 May 21;260(5111):1133-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biotechnology Laboratory, University of British Columbia, Vancouver, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8388125" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; *Brain Chemistry ; Calcium Channels/*chemistry/genetics/physiology ; Calcium Channels, R-Type ; Cation Transport Proteins ; Cloning, Molecular ; Electric Conductivity ; Hippocampus/chemistry ; In Situ Hybridization ; Membrane Potentials ; Membrane Proteins/*chemistry/genetics/physiology ; Molecular Sequence Data ; Nerve Tissue Proteins/*chemistry/genetics/physiology ; RNA, Messenger/analysis/genetics ; Rats ; Sequence Alignment
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    A first step toward gene therapy for hemophilia B? (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-10-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J -- New York, N.Y. -- Science. 1993 Oct 1;262(5130):29-30.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8211125" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cloning, Molecular ; Dogs ; Factor IX/biosynthesis/*genetics ; Gene Transfer Techniques ; *Genetic Therapy ; Genetic Vectors ; Hemophilia A/genetics/therapy ; Hemophilia B/genetics/*therapy ; Hepatectomy ; Humans ; Liver/metabolism ; Liver Regeneration ; Retroviridae/genetics
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    A role for the transcription factors Mbp1 and Swi4 in progression from G1 to S phase (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-09-17
    Description: In budding yeast genes that encode G1 cyclins and proteins involved in DNA synthesis are transcriptionally activated in late G1. A transcription factor, called SBF, is composed of Swi4 and Swi6 proteins and activates transcription of G1 cyclin genes. A different, but related, complex called MBF binds to MCB elements (Mlu I cell cycle box) found in the promoter of most DNA synthesis genes. MBF contains Swi6 and a 120-kilodalton protein (p120). MBF was purified and the gene encoding p120 (termed MBP1) was cloned. A deletion of MBP1 was not lethal but led to deregulated expression of DNA synthesis genes, indicating a direct regulatory role for MBF in MCB-driven transcription. Mbp1 is related to Swi4. Strains deleted for both MBP1 and SWI4 were inviable, demonstrating that transcriptional activation by MBF and SBF has an important role in the transition from G1 to S phase.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koch, C -- Moll, T -- Neuberg, M -- Ahorn, H -- Nasmyth, K -- New York, N.Y. -- Science. 1993 Sep 17;261(5128):1551-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Molecular Pathology, Vienna, Austria.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8372350" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; CDC28 Protein Kinase, S cerevisiae/genetics/metabolism ; Cloning, Molecular ; Cyclins/genetics ; DNA, Fungal/biosynthesis ; DNA-Binding Proteins ; Fungal Proteins/chemistry/*genetics/metabolism ; *G1 Phase ; Gene Expression Regulation, Fungal ; Genes, Fungal ; Molecular Sequence Data ; Mutation ; Promoter Regions, Genetic ; *S Phase ; Saccharomyces cerevisiae/cytology/*genetics ; *Saccharomyces cerevisiae Proteins ; Sequence Alignment ; Transcription Factors/chemistry/*genetics/metabolism
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    TH1 and TH2 cell antigen receptors in experimental leishmaniasis (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-03-05
    Description: The complexity and chronicity of parasitic infections have obscured the identification of biologically relevant antigens. Analysis of the T cell receptor repertoire used by mice infected with Leishmania major revealed the expansion of a restricted population of CD4+ cells. These cells expressed the V alpha 8-J alpha TA72, V beta 4 heterodimer in both progressive infection and protective immunity and across several major histocompatibility haplotypes. Thus, the same immunodominant parasite epitope drives the disparate outcomes of this infectious process, suggesting that candidate vaccine antigens selected by screening of immune individuals may be capable of exacerbating disease in genetically susceptible individuals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reiner, S L -- Wang, Z E -- Hatam, F -- Scott, P -- Locksley, R M -- AI30663/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1993 Mar 5;259(5100):1457-60.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, University of California, San Francisco 94143.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8451641" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, CD4/analysis ; Base Sequence ; Cloning, Molecular ; *Leishmania tropica ; Leishmaniasis, Cutaneous/*immunology ; Mice ; Mice, Inbred BALB C ; Molecular Sequence Data ; Oligodeoxyribonucleotides ; Polymerase Chain Reaction/methods ; RNA, Messenger/genetics/isolation & purification ; Receptors, Antigen, T-Cell/analysis/genetics/*metabolism ; Receptors, Antigen, T-Cell, alpha-beta/analysis/genetics/*metabolism ; Reference Values ; T-Lymphocyte Subsets/immunology
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    Rad: a member of the Ras family overexpressed in muscle of type II diabetic humans (1993)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1993-11-26
    Description: To identify the gene or genes associated with insulin resistance in Type II (non-insulin-dependent) diabetes mellitus, subtraction libraries were prepared from skeletal muscle of normal and diabetic humans and screened with subtracted probes. Only one clone out of 4000 was selectively overexpressed in Type II diabetic muscle as compared to muscle of non-diabetic or Type I diabetic individuals. This clone encoded a new 29-kilodalton member of the Ras-guanosine triphosphatase superfamily and was termed Rad (Ras associated with diabetes). Messenger ribonucleic acid of Rad was expressed primarily in skeletal and cardiac muscle and was increased an average of 8.6-fold in the muscle of Type II diabetics as compared to normal individuals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reynet, C -- Kahn, C R -- DK 36836/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1993 Nov 26;262(5138):1441-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Research Division, Joslin Diabetes Center, Boston, MA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8248782" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Blotting, Northern ; Blotting, Southern ; Chromosome Aberrations ; Cloning, Molecular ; Diabetes Mellitus, Type 2/*genetics/metabolism ; GTP Phosphohydrolases/biosynthesis/chemistry/genetics ; GTP-Binding Proteins/biosynthesis/chemistry/*genetics ; Gene Amplification ; *Genes ; Humans ; Insulin Resistance/*genetics ; Molecular Sequence Data ; Muscles/*metabolism ; RNA, Messenger/analysis/genetics ; *ras Proteins
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Database contamination (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-04-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mistry, A -- Greenlee, R -- Fong, K -- New York, N.Y. -- Science. 1993 Apr 30;260(5108):605-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8480169" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Cloning, Molecular ; *Dna ; DNA Probes ; Databases, Factual ; *Gene Library ; Quality Control ; RNA, Fungal/genetics ; RNA, Transfer/genetics
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  • 79
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    Phosphatidylinositol 4-kinase: gene structure and requirement for yeast cell viability (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-11-26
    Description: Phosphatidylinositol (PtdIns) 4-kinase catalyzes the first step in the biosynthesis of PtdIns-4,5-bisphosphate (PtdIns[4,5]P2). Hydrolysis of PtdIns[4,5]P2 in response to extracellular stimuli is thought to initiate intracellular signaling cascades that modulate cell proliferation and differentiation. The PIK1 gene encoding a PtdIns 4-kinase from the yeast Saccharomyces cerevisiae was isolated by polymerase chain reaction (PCR) with oligonucleotides based on the sequence of peptides derived from the purified enzyme. The sequence of the PIK1 gene product bears similarities to that of PtdIns 3-kinases from mammals (p110) and yeast (Vps34p). Expression of PIK1 from a multicopy plasmid elevated PtdIns 4-kinase activity and enhanced the response to mating pheromone. A pik1 null mutant was inviable, indicating that PtdIns4P and presumably PtdIns[4,5]P2 are indispensable phospholipids.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Flanagan, C A -- Schnieders, E A -- Emerick, A W -- Kunisawa, R -- Admon, A -- Thorner, J -- CA09041/CA/NCI NIH HHS/ -- GM07232/GM/NIGMS NIH HHS/ -- GM21841/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1993 Nov 26;262(5138):1444-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cell Biology, University of California, Berkeley 94720.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8248783" target="_blank"〉PubMed〈/a〉
    Keywords: 1-Phosphatidylinositol 4-Kinase ; Amino Acid Sequence ; Cloning, Molecular ; Gene Expression ; *Genes, Fungal ; Molecular Sequence Data ; Molecular Weight ; Mutation ; Phosphatidylinositol 4,5-Diphosphate ; Phosphatidylinositol Phosphates/metabolism ; Phosphotransferases (Alcohol Group Acceptor)/biosynthesis/chemistry/*genetics ; Polymerase Chain Reaction ; Saccharomyces cerevisiae/enzymology/*genetics/growth & development ; *Saccharomyces cerevisiae Proteins
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  • 80
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    The cloning of PIG-A, a component in the early step of GPI-anchor biosynthesis (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-02-26
    Description: The glycosylphosphatidylinositol (GPI) anchor is a membrane attachment structure of many proteins and occurs in a wide variety of eukaryotes from yeasts to mammals. The structure of the core of the GPI anchor is conserved in protozoa and mammals and so is its biosynthetic pathway. A complementary DNA encoding a human protein termed PIG-A (phosphatidylinositol glycan-class A) was cloned. PIG-A was necessary for synthesis of N-acetylglucosaminyl-phosphatidylinositol, the very early intermediate in GPI-anchor biosynthesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miyata, T -- Takeda, J -- Iida, Y -- Yamada, N -- Inoue, N -- Takahashi, M -- Maeda, K -- Kitani, T -- Kinoshita, T -- New York, N.Y. -- Science. 1993 Feb 26;259(5099):1318-20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunoregulation, Osaka University, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7680492" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antigens, CD/metabolism ; Antigens, CD55 ; Antigens, CD59 ; Antigens, Surface/metabolism ; Antigens, Thy-1 ; Cloning, Molecular ; DNA/genetics ; Genetic Complementation Test ; Glycosylphosphatidylinositols/*biosynthesis ; HeLa Cells ; Humans ; In Vitro Techniques ; Membrane Glycoproteins/metabolism ; Membrane Proteins/*genetics/metabolism ; Mice ; Molecular Sequence Data ; Solubility ; Species Specificity
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  • 81
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    Inhibition of an in vivo antigen-specific IgE response by antibodies to CD23 (1993)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1993-08-20
    Description: Immunoglobulin E (IgE) mediates many allergic responses. CD23 is a 45-kilodalton type II transmembrane glycoprotein expressed in many cell types. It is a low-affinity IgE receptor and interacts specifically with CD21, thereby modulating IgE production by B lymphocytes in vitro. In an in vivo model of an allergen-specific IgE response, administration of a rabbit polyclonal antibody to recombinant human truncated CD23 resulted in up to 90 percent inhibition of ovalbumin-specific IgE synthesis. Both Fabs and intact IgG inhibited IgE production in vitro and in vivo. Thus, CD23 participates in the regulation of IgE synthesis in vivo and so could be important in allergic disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Flores-Romo, L -- Shields, J -- Humbert, Y -- Graber, P -- Aubry, J P -- Gauchat, J F -- Ayala, G -- Allet, B -- Chavez, M -- Bazin, H -- New York, N.Y. -- Science. 1993 Aug 20;261(5124):1038-41.〈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/8351517" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antibodies/*immunology ; B-Lymphocytes/immunology ; Cloning, Molecular ; Humans ; Immunization ; Immunoglobulin E/*biosynthesis ; Molecular Sequence Data ; Ovalbumin/immunology ; Rabbits ; Rats ; Receptors, Complement 3d/immunology ; Receptors, IgE/analysis/*immunology ; Recombinant Proteins/immunology ; Virulence Factors, Bordetella/immunology
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  • 82
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    Reductase activity encoded by the HM1 disease resistance gene in maize (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-11-06
    Description: The HM1 gene in maize controls both race-specific resistance to the fungus Cochliobolus carbonum race 1 and expression of the NADPH (reduced form of nicotinamide adenine dinucleotide phosphate)-dependent HC toxin reductase (HCTR), which inactivates HC toxin, a cyclic tetrapeptide produced by the fungus to permit infection. Several HM1 alleles were generated and cloned by transposon-induced mutagenesis. The sequence of wild-type HM1 shares homology with dihydroflavonol-4-reductase genes from maize, petunia, and snap-dragon. Sequence homology is greatest in the beta alpha beta-dinucleotide binding fold that is conserved among NADPH- and NADH (reduced form of nicotinamide adenine dinucleotide)-dependent reductases and dehydrogenases. This indicates that HM1 encodes HCTR.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Johal, G S -- Briggs, S P -- New York, N.Y. -- Science. 1992 Nov 6;258(5084):985-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biotechnology Research, Pioneer Hi-Bred International, Inc., Johnston, IA 50131.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1359642" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Blotting, Southern ; Cloning, Molecular ; DNA/chemistry/genetics ; *Genes, Plant ; *Helminthosporium ; Introns ; Molecular Sequence Data ; NADP/pharmacology ; Nucleic Acid Hybridization ; Oxidoreductases/chemistry/*genetics ; Peptides, Cyclic/antagonists & inhibitors ; *Plant Diseases ; *Plant Proteins ; Polymorphism, Restriction Fragment Length ; RNA Splicing ; RNA, Messenger/genetics ; Zea mays/enzymology/*genetics
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  • 83
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    The fms-like tyrosine kinase, a receptor for vascular endothelial growth factor (1992)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1992-02-21
    Description: The fms-like tyrosine kinase (Flt) is a transmembrane receptor in the tyrosine kinase family. Expression of flt complementary DNA in COS cells conferred specific, high-affinity binding of vascular endothelial growth factor, also known as vascular permeability factor (VEGF-VPF), a factor that induces vascular permeability when injected in the guinea pig skin and stimulates endothelial cell proliferation. Expression of Flt in Xenopus laevis oocytes caused the oocytes to release calcium in response to VEGF-VPF. These findings show that flt encodes a receptor for VEGF-VPF.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉de Vries, C -- Escobedo, J A -- Ueno, H -- Houck, K -- Ferrara, N -- Williams, L T -- P01 HL-43821/HL/NHLBI NIH HHS/ -- R01 HL-32898/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1992 Feb 21;255(5047):989-91.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, University of California, San Francisco 94143.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1312256" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cloning, Molecular ; Cross-Linking Reagents ; Endothelial Growth Factors/*physiology ; Enzyme Activation ; Humans ; In Vitro Techniques ; Lymphokines/*physiology ; Proto-Oncogene Proteins/genetics/*physiology ; Receptors, Cell Surface/*genetics ; Signal Transduction ; Transfection ; Vascular Endothelial Growth Factor A ; Vascular Endothelial Growth Factor Receptor-1 ; Vascular Endothelial Growth Factors ; Xenopus laevis
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  • 84
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    Spatial control of the gap gene knirps in the Drosophila embryo by posterior morphogen system (1992)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1992-02-21
    Description: The gap genes of Drosophila are the first zygotic genes to respond to the maternal positional signals and establish the body pattern along the anterior-posterior axis. The gap gene knirps, required for patterning in the posterior region of the embryo, can be activated throughout the wild-type embryo and is normally repressed from the anterior and posterior sides. These results provide direct molecular evidence that the posterior morphogen system interacts in a fundamentally different manner than do hunchback and bicoid, which are responsible for anterior pattern formation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pankratz, M J -- Busch, M -- Hoch, M -- Seifert, E -- Jackle, H -- New York, N.Y. -- Science. 1992 Feb 21;255(5047):986-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max-Planck Institut fur Biophysikalische Chemie, Abteilung Molekulare Entwicklungsbiologie, Gottingen, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1546296" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Binding Sites ; Cloning, Molecular ; Drosophila melanogaster/embryology/*genetics ; Gene Expression Regulation ; Genes ; Molecular Sequence Data ; Morphogenesis ; Regulatory Sequences, Nucleic Acid
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  • 85
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    Isolation of two genes that encode subunits of the yeast transcription factor IIA (1992)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1992-02-28
    Description: The yeast transcription factor IIA (TFIIA), a component of the basal transcription machinery of RNA polymerase II and implicated in vitro in regulation of basal transcription, is composed of two subunits of 32 and 13.5 kilodaltons. The genes that encode these subunits, termed TOA1 and TOA2, respectively, were cloned. Neither gene shares obvious sequence similarity with the other or with any other previously identified genes. The recombinant factor bound to a TATA binding protein-DNA complex and complemented yeast and mammalian in vitro transcription systems depleted of TFIIA. Both the TOA1 and TOA2 genes are essential for growth of yeast.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ranish, J A -- Lane, W S -- Hahn, S -- New York, N.Y. -- Science. 1992 Feb 28;255(5048):1127-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Fred Hutchinson Cancer Research Center, Seattle, WA 98104.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1546313" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Cloning, Molecular ; DNA Mutational Analysis ; DNA-Binding Proteins/genetics ; *Genes, Fungal ; Molecular Sequence Data ; Recombinant Proteins/metabolism ; Saccharomyces cerevisiae/*genetics ; *Saccharomyces cerevisiae Proteins ; Transcription Factor TFIIA ; Transcription Factors/*genetics ; Transcription, Genetic
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  • 86
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    Identification of a protein that binds to the SH3 region of Abl and is similar to Bcr and GAP-rho (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-08-07
    Description: A Src homology 3 (SH3) region is a sequence of approximately 50 amino acids found in many nonreceptor tyrosine kinases and other proteins. Deletion of the SH3 region from the protein encoded by the c-abl proto-oncogene activates the protein's transforming capacity, thereby suggesting the participation of the SH3 region in the negative regulation of transformation. A complementary DNA was isolated that encoded a protein, 3BP-1, to which the SH3 region of Abl bound with high specificity and to which SH3 regions from other proteins bound differentially. The sequence of the 3BP-1 protein is similar to that of a COOH-terminal segment of Bcr and to guanosine triphosphatase-activating protein (GAP)-rho, which suggests that it might have GAP activity for Ras-related proteins. The 3BP-1 protein may therefore be a mediator of SH3 function in transformation inhibition and may link tyrosine kinases to Ras-related proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cicchetti, P -- Mayer, B J -- Thiel, G -- Baltimore, D -- A107233/PHS HHS/ -- CA 08875/CA/NCI NIH HHS/ -- CA51462/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1992 Aug 7;257(5071):803-6.〈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/1379745" target="_blank"〉PubMed〈/a〉
    Keywords: 3T3 Cells ; Amino Acid Sequence ; Animals ; Binding Sites ; Chimera ; Cloning, Molecular ; GTPase-Activating Proteins ; Gene Library ; *Genes, abl ; *Genes, src ; Glutathione Transferase/genetics/metabolism ; Mice ; Molecular Sequence Data ; Oncogene Proteins/genetics/*metabolism ; Plasmids ; Polymerase Chain Reaction/methods ; Prosencephalon/physiology ; Protein-Tyrosine Kinases/*metabolism ; Proteins/*metabolism ; *Proto-Oncogene Proteins ; Proto-Oncogene Proteins c-abl/genetics/*metabolism ; Proto-Oncogene Proteins c-bcr ; Proto-Oncogene Proteins pp60(c-src)/genetics/*metabolism ; Recombinant Fusion Proteins/metabolism ; Restriction Mapping ; Rho Factor/*metabolism ; Sequence Homology, Nucleic Acid ; ras GTPase-Activating Proteins
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  • 87
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    Molecular cloning of the interleukin-1 beta converting enzyme (1992)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1992-04-03
    Description: Interleukin-1 beta (IL-1 beta) mediates a wide range of immune and inflammatory responses. The active cytokine is generated by proteolytic cleavage of an inactive precursor. A complementary DNA encoding a protease that carries out this cleavage has been cloned. Recombinant expression in COS-7 cells enabled the cells to process precursor IL-1 beta to the mature form. Sequence analysis indicated that the enzyme itself may undergo proteolytic processing. The gene encoding the protease was mapped to chromosomal band 11q23, a site frequently involved in rearrangement in human cancers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cerretti, D P -- Kozlosky, C J -- Mosley, B -- Nelson, N -- Van Ness, K -- Greenstreet, T A -- March, C J -- Kronheim, S R -- Druck, T -- Cannizzaro, L A -- New York, N.Y. -- Science. 1992 Apr 3;256(5053):97-100.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Immunex Corporation, Seattle, WA 98101.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1373520" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Caspase 1 ; Cell Line ; Chromosome Banding ; *Chromosomes, Human, Pair 11 ; Cloning, Molecular ; Enzyme Precursors/biosynthesis/*genetics/isolation & purification ; Humans ; Metalloendopeptidases/biosynthesis/*genetics/isolation & purification ; Molecular Sequence Data ; Neutrophils/enzymology ; Oligodeoxyribonucleotides ; Poly A/genetics/isolation & purification ; Polymerase Chain Reaction/methods ; RNA/genetics/isolation & purification ; RNA, Messenger/genetics ; Recombinant Proteins/biosynthesis/isolation & purification ; Transfection
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  • 88
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    Regulatory elements that control the lineage-specific expression of myoD (1992)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1992-05-04
    Description: The molecular basis of skeletal muscle lineage determination was investigated by analyzing DNA control elements that regulate the myogenic determination gene myoD. A distal enhancer was identified that positively regulates expression of the human myoD gene. The myoD enhancer and promoter were active in myogenic and several nonmyogenic cell lines. In transgenic mouse embryos, however, the myoD enhancer and promoter together directed expression of a lacZ transgene specifically to the skeletal muscle lineage. These data suggest that during development myoD is regulated by mechanisms that restrict accessibility of myoD control elements to positive trans-acting factors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goldhamer, D J -- Faerman, A -- Shani, M -- Emerson, C P Jr -- CA-06927/CA/NCI NIH HHS/ -- HD-07796/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1992 Apr 24;256(5056):538-42.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Cancer Research, Fox Chase Cancer Center, Philadelphia, PA 19111.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1315077" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation ; Cell Line ; Chloramphenicol O-Acetyltransferase/genetics ; Cloning, Molecular ; Enhancer Elements, Genetic ; *Gene Expression Regulation ; Humans ; Mice ; Mice, Transgenic ; Muscle Proteins/*genetics ; Muscles/embryology/metabolism ; MyoD Protein ; Promoter Regions, Genetic ; Transcription, Genetic ; Transfection ; Tumor Cells, Cultured ; beta-Galactosidase/genetics
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    Awakenings ... UV light and HIV gene activation (1992)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1992-08-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wallace, B M -- Lasker, J S -- New York, N.Y. -- Science. 1992 Aug 28;257(5074):1211-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1519057" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cloning, Molecular ; DNA/radiation effects ; DNA Damage ; Gene Expression/*radiation effects ; Genes, Viral/*radiation effects ; HIV/*genetics ; HIV Long Terminal Repeat ; Humans ; Mice ; PUVA Therapy/adverse effects ; Sunlight/adverse effects ; Ultraviolet Rays/*adverse effects
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  • 90
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    GAP domains responsible for ras p21-dependent inhibition of muscarinic atrial K+ channel currents (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-01-10
    Description: The interaction between the low molecular weight G protein ras p21 and a guanosine triphosphatase activating protein (GAP) uncouples a heterotrimeric G protein (Gk) from muscarinic receptors. Through the use of isolated atrial cell membranes and genetically engineered GAP deletion mutants, the src homology regions (SH2-SH3) at the amino terminus of GAP have been identified as the domains responsible for this effect. Deletion of the domain required to stimulate the guanosine triphosphatase activity of ras p21 relieves the requirement for ras p21 in this system. A model is presented that suggests that ras p21 induces a conformational change in GAP, which allows the SH2-SH3 regions of GAP to function.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Martin, G A -- Yatani, A -- Clark, R -- Conroy, L -- Polakis, P -- Brown, A M -- McCormick, F -- CA51992-01/CA/NCI NIH HHS/ -- HL36930/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1992 Jan 10;255(5041):192-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Cetus Corporation, Emeryville, CA 94608.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1553544" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Baculoviridae ; Cell Membrane/metabolism ; Cells, Cultured ; Cloning, Molecular ; GTP-Binding Proteins/*physiology ; GTPase-Activating Proteins ; Genetic Engineering ; Genetic Vectors ; Guanosine 5'-O-(3-Thiotriphosphate)/pharmacology ; Guanosine Triphosphate/pharmacology ; Guinea Pigs ; Heart/*physiology ; Heart Atria ; Models, Biological ; Polymerase Chain Reaction ; Potassium Channels/drug effects/*physiology ; Proteins/genetics/*physiology ; Proto-Oncogene Proteins p21(ras)/*metabolism ; Receptors, Muscarinic/drug effects/*physiology ; ras GTPase-Activating Proteins
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  • 91
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    How technique is changing science (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-07-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hall, S S -- New York, N.Y. -- Science. 1992 Jul 17;257(5068):344-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1631556" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cloning, Molecular ; DNA/analysis ; Drosophila/genetics ; Fiber Optic Technology ; Microscopy/methods ; Polymerase Chain Reaction ; Radioimmunoassay ; Research/instrumentation ; *Research Design
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 92
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    Interaction of p107 with cyclin A independent of complex formation with viral oncoproteins (1992)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1992-01-03
    Description: The p107 protein and the retinoblastoma protein (RB) both bind specifically to two viral oncoproteins, the SV40 T antigen (T) and adenoviral protein E1A (E1A). Like RB, p107 contains a segment (the pocket) that, alone, can bind specifically to T, E1A, and multiple cellular proteins. Cyclin A bound to the p107 pocket, but not the RB pocket. Although both pockets contain two, related collinear subsegments (A and B), the unique sequence in the p107 pocket that occupies the space between A and B is required for the interaction with cyclin A.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ewen, M E -- Faha, B -- Harlow, E -- Livingston, D M -- New York, N.Y. -- Science. 1992 Jan 3;255(5040):85-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Dana-Farber Cancer Institute, Boston, MA 02115.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1532457" target="_blank"〉PubMed〈/a〉
    Keywords: Adenovirus Early Proteins ; Amino Acid Sequence ; Antigens, Polyomavirus Transforming/*metabolism ; Base Sequence ; Binding Sites ; Cell Line ; Cloning, Molecular ; Cyclins/*metabolism ; Escherichia coli/genetics ; Eye Neoplasms ; Glutathione Transferase/genetics/metabolism ; Humans ; Molecular Sequence Data ; Mutagenesis, Site-Directed ; *Nuclear Proteins ; Oligodeoxyribonucleotides ; Oncogene Proteins, Viral/genetics/*metabolism ; Protein Conformation ; Proteins/genetics/*metabolism ; Recombinant Fusion Proteins/metabolism ; Retinoblastoma ; Retinoblastoma Protein/genetics/*metabolism ; Retinoblastoma-Like Protein p107 ; Structure-Activity Relationship
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 93
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    Cloning and characterization of inducible nitric oxide synthase from mouse macrophages (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-04-10
    Description: Nitric oxide (NO) conveys a variety of messages between cells, including signals for vasorelaxation, neurotransmission, and cytotoxicity. In some endothelial cells and neurons, a constitutive NO synthase is activated transiently by agonists that elevate intracellular calcium concentrations and promote the binding of calmodulin. In contrast, in macrophages, NO synthase activity appears slowly after exposure of the cells to cytokines and bacterial products, is sustained, and functions independently of calcium and calmodulin. A monospecific antibody was used to clone complementary DNA that encoded two isoforms of NO synthase from immunologically activated mouse macrophages. Liquid chromatography-mass spectrometry was used to confirm most of the amino acid sequence. Macrophage NO synthase differs extensively from cerebellar NO synthase. The macrophage enzyme is immunologically induced at the transcriptional level and closely resembles the enzyme in cytokine-treated tumor cells and inflammatory neutrophils.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Xie, Q W -- Cho, H J -- Calaycay, J -- Mumford, R A -- Swiderek, K M -- Lee, T D -- Ding, A -- Troso, T -- Nathan, C -- AI30165/AI/NIAID NIH HHS/ -- CA43610/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1992 Apr 10;256(5054):225-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Beatrice and Samuel A. Seaver Laboratory, Department of Medicine, 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/1373522" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Oxidoreductases/biosynthesis/*genetics ; Amino Acid Sequence ; Animals ; Base Sequence ; Cell Line ; Cells, Cultured ; Cloning, Molecular ; Codon ; Enzyme Induction ; Interferon-gamma/pharmacology ; Isoenzymes/biosynthesis/*genetics ; Kinetics ; Lipopolysaccharides ; Macrophages/drug effects/*enzymology ; Mammary Neoplasms, Experimental ; Mice ; Molecular Sequence Data ; Molecular Weight ; Neutrophils/drug effects/enzymology ; Nitric Oxide Synthase ; Oligodeoxyribonucleotides ; Poly A/genetics ; RNA/genetics ; RNA, Messenger ; Rats ; Sequence Homology, Nucleic Acid ; Transcription, Genetic
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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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    Cloning of a second type of activin receptor and functional characterization in Xenopus embryos (1992)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1992-03-27
    Description: A complementary DNA coding for a second type of activin receptor (ActRIIB) has been cloned from Xenopus laevis that fulfills the structural criteria of a transmembrane protein serine kinase. Ectodermal explants from embryos injected with activin receptor RNA show increased sensitivity to activin, as measured by the induction of muscle actin RNA. In addition, injected embryos display developmental defects characterized by inappropriate formation of dorsal mesodermal tissue. These results demonstrate that this receptor is involved in signal transduction and are consistent with the proposed role of activin in the induction and patterning of mesoderm in Xenopus embryos.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mathews, L S -- Vale, W W -- Kintner, C R -- DK-26741/DK/NIDDK NIH HHS/ -- HD-07343/HD/NICHD NIH HHS/ -- HD-13275/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1992 Mar 27;255(5052):1702-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Clayton Foundation Laboratories for Peptide Biology, Salk Institute, La Jolla, CA 92037.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1313188" target="_blank"〉PubMed〈/a〉
    Keywords: Activin Receptors ; Activins ; Amino Acid Sequence ; Animals ; Cloning, Molecular ; DNA/genetics ; Inhibins/*physiology ; Membrane Proteins/genetics ; Molecular Sequence Data ; Protein Kinases/genetics ; Protein-Serine-Threonine Kinases ; Receptors, Cell Surface/*genetics ; Signal Transduction ; Xenopus laevis/embryology/*genetics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 95
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    Roles of SWI1, SWI2, and SWI3 proteins for transcriptional enhancement by steroid receptors (1992)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1992-12-04
    Description: The SWI1, SWI2, and SWI3 proteins, which are required for regulated transcription of numerous yeast genes, were found also to be essential for rat glucocorticoid receptor function in yeast; the receptor failed to activate transcription in strains with mutations in the SWI1, SWI2, or SWI3 genes. Certain mutations in genes encoding components of chromatin, identified as suppressors of swi mutations, partially relieved the SWI- requirement for receptor function. Immunoprecipitation of glucocorticoid receptor derivatives from wild-type (SWI+) yeast extracts coprecipitated the SWI3 protein; such receptor-SWI3 complexes were not detected in swi1- or swi2- mutant strains, implying that a complex of multiple SWI proteins may associate with the receptor. Prior incubation of a Drosophila embryo transcription extract with the yeast SWI3-specific antibody inhibited receptor function in vitro whereas the antibody had no effect if added after initiation complex formation. Thus, positive regulation by the glucocorticoid receptor in vivo and in vitro appears to require its interaction, at an early step, with one or more SWI proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yoshinaga, S K -- Peterson, C L -- Herskowitz, I -- Yamamoto, K R -- New York, N.Y. -- Science. 1992 Dec 4;258(5088):1598-604.〈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/1360703" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphatases ; Animals ; Chromosomal Proteins, Non-Histone ; Cloning, Molecular ; DNA-Binding Proteins/genetics/*metabolism ; Fungal Proteins/genetics/*metabolism ; Gene Deletion ; *Gene Expression Regulation, Fungal ; Glucosephosphate Dehydrogenase/genetics/metabolism ; Nuclear Proteins/genetics/*metabolism ; Promoter Regions, Genetic ; RNA Polymerase II/metabolism ; Rats ; Receptors, Glucocorticoid/*genetics/metabolism ; Receptors, Steroid/*genetics/metabolism ; Saccharomyces cerevisiae/*genetics ; *Saccharomyces cerevisiae Proteins ; TATA Box ; *Trans-Activators ; Transcription Factors/genetics/*metabolism ; *Transcription, Genetic ; Tyrosine Transaminase/genetics/metabolism ; beta-Galactosidase/genetics/metabolism
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  • 96
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    Myoglobin in a cyanobacterium (1992)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1992-06-19
    Description: Myoglobin was found in the nitrogen-fixing cyanobacterium Nostoc commune. This cyanobacterial myoglobin, referred to as cyanoglobin, was shown to be a soluble hemoprotein of 12.5 kilodaltons with an amino acid sequence that is related to that of myoglobins from two lower eukaryotes, the ciliated protozoa Paramecium caudatum and Tetrahymena pyriformis. Cyanoglobin is encoded by the glbN gene, which is positioned between nifU and nifH-two genes essential for nitrogen fixation-in the genome of Nostoc. Cyanoglobin was detected in Nostoc cells only when they were starved for nitrogen and incubated microaerobically.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Potts, M -- Angeloni, S V -- Ebel, R E -- Bassam, D -- New York, N.Y. -- Science. 1992 Jun 19;256(5064):1690-1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, Virginia Polytechnic Institute and State University, Blacksburg Va 24061.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1609281" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Chromosome Mapping ; Cloning, Molecular ; Cyanobacteria/*genetics ; Electrophoresis, Polyacrylamide Gel ; Molecular Sequence Data ; Myoglobin/*genetics ; Polymerase Chain Reaction ; Sequence Homology, Nucleic Acid
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  • 97
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    Solution structure of the SH3 domain of Src and identification of its ligand-binding site (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-12-04
    Description: The Src homology 3 (SH3) region is a protein domain of 55 to 75 amino acids found in many cytoplasmic proteins, including those that participate in signal transduction pathways. The solution structure of the SH3 domain of the tyrosine kinase Src was determined by multidimensional nuclear magnetic resonance methods. The molecule is composed of two short three-stranded anti-parallel beta sheets packed together at approximately right angles. Studies of the SH3 domain bound to proline-rich peptide ligands revealed a hydrophobic binding site on the surface of the protein that is lined with the side chains of conserved aromatic amino acids.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yu, H -- Rosen, M K -- Shin, T B -- Seidel-Dugan, C -- Brugge, J S -- Schreiber, S L -- 1-S10-RR04870/RR/NCRR NIH HHS/ -- CA27951/CA/NCI NIH HHS/ -- GM44993/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1992 Dec 4;258(5088):1665-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, Harvard University, Cambridge, MA 02138.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1280858" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Binding Sites ; Cloning, Molecular ; Escherichia coli/genetics ; Glutathione Transferase/chemistry/genetics/isolation & purification ; Ligands ; Magnetic Resonance Spectroscopy ; Molecular Sequence Data ; Neurons/physiology ; Protein Conformation ; *Protein Structure, Secondary ; Protein-Tyrosine Kinases/*genetics ; Proto-Oncogene Proteins pp60(c-src)/*chemistry ; Recombinant Fusion Proteins/chemistry/isolation & purification ; Solutions ; X-Ray Diffraction
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  • 98
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    Modulation of an NCAM-related adhesion molecule with long-term synaptic plasticity in Aplysia (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-05-01
    Description: A form of learning in the marine mollusk Aplysia, long-term sensitization of the gill- and siphon-withdrawal reflex, results in the formation of new synaptic connections between the presynaptic siphon sensory neurons and their target cells. These structural changes can be mimicked, when the cells are maintained in culture, by application of serotonin, an endogenous facilitating neurotransmitter in Aplysia. A group of cell surface proteins, designated Aplysia cell adhesion molecules (apCAM's) was down-regulated in the sensory neurons in response to serotonin. The deduced amino acid sequence obtained from complementary DNA clones indicated that the apCAM's are a family of proteins that seem to arise from a single gene. The apCAM's are members of the immunoglobulin class of cell adhesion molecules and resemble two neural cell adhesion molecules, NCAM and fasciclin II. In addition to regulating newly synthesized apCAM, serotonin also altered the amount of preexisting apCAM on the cell surface of the presynaptic sensory neurons. By contrast, the apCAM on the surface of the postsynaptic motor neuron was not modulated by serotonin. This rapid, transmitter-mediated down-regulation of a cell adhesion molecule in the sensory neurons may be one of the early molecular changes in long-term synaptic facilitation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mayford, M -- Barzilai, A -- Keller, F -- Schacher, S -- Kandel, E R -- New York, N.Y. -- Science. 1992 May 1;256(5057):638-44.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, College of Physicians and Surgeons of Columbia University, New York, NY 10032.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1585176" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Aplysia/*metabolism ; Blotting, Northern ; Cell Adhesion Molecules, Neuronal/chemistry/genetics/*metabolism ; Cells, Cultured ; Cloning, Molecular ; DNA/chemistry/genetics ; Fluorescent Antibody Technique ; Molecular Sequence Data ; Motor Neurons/drug effects/metabolism ; Neuronal Plasticity/*physiology ; Neurons, Afferent/drug effects/metabolism ; Protein Sorting Signals/chemistry ; Serotonin/pharmacology ; Synapses/*physiology
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  • 99
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    Malignant transformation by a mutant of the IFN-inducible dsRNA-dependent protein kinase (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-09-18
    Description: The double-stranded RNA-dependent protein kinase (dsRNA-PK) is thought to be a key mediator of the antiviral and antiproliferative effects of interferons (IFNs). Studies examining the physiological function of the kinase suggest that it participates in cell growth and differentiation by regulating protein synthesis. Autophosphorylation and consequent activation of dsRNA-PK in vitro and in vivo result in phosphorylation of the alpha subunit of eukaryotic initiation factor-2 (eIF-2) and inhibition of protein synthesis. Expression of a functionally defective mutant of human dsRNA-PK in NIH 3T3 cells resulted in malignant transformation, suggesting that dsRNA-PK may function as a suppressor of cell proliferation and tumorigenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koromilas, A E -- Roy, S -- Barber, G N -- Katze, M G -- Sonenberg, N -- AI22646/AI/NIAID NIH HHS/ -- RR00166/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1992 Sep 18;257(5077):1685-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, Faculty of Medicine, McGill University, Montreal, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1382315" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Binding Sites ; Cell Division ; Cell Line ; *Cell Transformation, Neoplastic ; Cloning, Molecular ; DNA/genetics ; Enzyme Induction ; Gene Expression ; Humans ; Immunoblotting ; Interferons/*pharmacology ; Mice ; Molecular Sequence Data ; *Mutation ; Phosphorylation ; Protein Kinases/chemistry/*genetics/physiology ; Transfection ; eIF-2 Kinase
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 100
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    Primary structure and functional expression of the beta 1 subunit of the rat brain sodium channel (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-05-08
    Description: Voltage-sensitive sodium channels are responsible for the initiation and propagation of the action potential and therefore are important for neuronal excitability. Complementary DNA clones encoding the beta 1 subunit of the rat brain sodium channel were isolated by a combination of polymerase chain reaction and library screening techniques. The deduced primary structure indicates that the beta 1 subunit is a 22,851-dalton protein that contains a single putative transmembrane domain and four potential extracellular N-linked glycosylation sites, consistent with biochemical data. Northern blot analysis reveals a 1,400-nucleotide messenger RNA in rat brain, heart, skeletal muscle, and spinal cord. Coexpression of beta 1 subunits with alpha subunits increases the size of the peak sodium current, accelerates its inactivation, and shifts the voltage dependence of inactivation to more negative membrane potentials. These results indicate that the beta 1 subunit is crucial in the assembly, expression, and functional modulation of the heterotrimeric complex of the rat brain sodium channel.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Isom, L L -- De Jongh, K S -- Patton, D E -- Reber, B F -- Offord, J -- Charbonneau, H -- Walsh, K -- Goldin, A L -- Catterall, W A -- NS15751/NS/NINDS NIH HHS/ -- NS25704/NS/NINDS NIH HHS/ -- NS26729/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1992 May 8;256(5058):839-42.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, University of Washington, Seattle 98195.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1375395" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Blotting, Northern ; Brain/*physiology ; Cloning, Molecular ; DNA/genetics/isolation & purification ; Female ; Kinetics ; Macromolecular Substances ; Membrane Potentials ; Molecular Sequence Data ; Oocytes/physiology ; Polymerase Chain Reaction/methods ; Protein Conformation ; RNA/genetics/isolation & purification ; RNA, Messenger/genetics ; Rats ; Sodium Channels/*genetics/*physiology ; Voltage-Gated Sodium Channel beta-1 Subunit ; Xenopus
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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