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  • Artikel  (521)
  • Animals  (521)
  • 1995-1999  (521)
  • 1995  (521)
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  • Artikel  (521)
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  • 1995-1999  (521)
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  • 1
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1995-12-22
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Farland, W H -- Vaughn-Dellarco, V -- New York, N.Y. -- Science. 1995 Dec 22;270(5244):1907, 1909.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8533076" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Carcinogenicity Tests ; Diet ; Humans ; Risk Assessment ; *Toxicity Tests ; United States ; *United States Environmental Protection Agency
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Publikationsdatum: 1995-12-22
    Beschreibung: Reliable germline transformation is required for molecular studies and ultimately for genetic control of economically important insects, such as the Mediterranean fruit fly (medfly) Ceratitis capitata. A prerequisite for the establishment and maintenance of transformant lines is selectable or phenotypically dominant markers. To this end, a complementary DNA clone derived from the medfly white gene was isolated, which showed substantial similarity to white genes in Drosophila melanogaster and other Diptera. It is correlated with a spontaneous mutation causing white eyes in the medfly and can be used to restore partial eye color in transgenic Drosophila carrying a null mutation in the endogenous white gene.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zwiebel, L J -- Saccone, G -- Zacharopoulou, A -- Besansky, N J -- Favia, G -- Collins, F H -- Louis, C -- Kafatos, F C -- New York, N.Y. -- Science. 1995 Dec 22;270(5244):2005-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉European Molecular Biology Laboratory (EMBL), Heidelberg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8533095" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *ATP-Binding Cassette Transporters ; Amino Acid Sequence ; Animals ; Animals, Genetically Modified ; Base Sequence ; Cloning, Molecular ; Diptera/chemistry/*genetics ; *Drosophila Proteins ; Drosophila melanogaster/genetics ; Eye Color/genetics ; Eye Proteins/chemistry/*genetics ; *Genes, Insect ; Genetic Markers ; Insect Hormones/chemistry/genetics ; Molecular Sequence Data ; Mutation ; Phenotype ; Sequence Alignment ; *Transformation, Genetic
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Publikationsdatum: 1995-12-22
    Beschreibung: A physical map has been constructed of the human genome containing 15,086 sequence-tagged sites (STSs), with an average spacing of 199 kilobases. The project involved assembly of a radiation hybrid map of the human genome containing 6193 loci and incorporated a genetic linkage map of the human genome containing 5264 loci. This information was combined with the results of STS-content screening of 10,850 loci against a yeast artificial chromosome library to produce an integrated map, anchored by the radiation hybrid and genetic maps. The map provides radiation hybrid coverage of 99 percent and physical coverage of 94 percent of the human genome. The map also represents an early step in an international project to generate a transcript map of the human genome, with more than 3235 expressed sequences localized. The STSs in the map provide a scaffold for initiating large-scale sequencing of the human genome.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hudson, T J -- Stein, L D -- Gerety, S S -- Ma, J -- Castle, A B -- Silva, J -- Slonim, D K -- Baptista, R -- Kruglyak, L -- Xu, S H -- Hu, X -- Colbert, A M -- Rosenberg, C -- Reeve-Daly, M P -- Rozen, S -- Hui, L -- Wu, X -- Vestergaard, C -- Wilson, K M -- Bae, J S -- Maitra, S -- Ganiatsas, S -- Evans, C A -- DeAngelis, M M -- Ingalls, K A -- Nahf, R W -- Horton, L T Jr -- Anderson, M O -- Collymore, A J -- Ye, W -- Kouyoumjian, V -- Zemsteva, I S -- Tam, J -- Devine, R -- Courtney, D F -- Renaud, M T -- Nguyen, H -- O'Connor, T J -- Fizames, C -- Faure, S -- Gyapay, G -- Dib, C -- Morissette, J -- Orlin, J B -- Birren, B W -- Goodman, N -- Weissenbach, J -- Hawkins, T L -- Foote, S -- Page, D C -- Lander, E S -- HG00017/HG/NHGRI NIH HHS/ -- HG00098/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 1995 Dec 22;270(5244):1945-54.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead-MIT Center for Genome Research, Whitehead Institute for Biomedical Research, Cambridge, MA 02142, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8533086" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Cell Line ; *Chromosome Mapping ; Chromosomes, Artificial, Yeast ; Databases, Factual ; Gene Expression ; Genetic Markers ; *Genome, Human ; *Human Genome Project ; Humans ; Hybrid Cells ; Polymerase Chain Reaction ; *Sequence Analysis, DNA ; *Sequence Tagged Sites
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    Publikationsdatum: 1995-12-22
    Beschreibung: The mitogen-activated protein kinase (MAPK) pathway is a conserved eukaryotic signaling module that converts receptor signals into various outputs. MAPK is activated through phosphorylation by MAPK kinase (MAPKK), which is first activated by MAPKK kinase (MAPKKK). A genetic selection based on a MAPK pathway in yeast was used to identify a mouse protein kinase (TAK1) distinct from other members of the MAPKKK family. TAK1 was shown to participate in regulation of transcription by transforming growth factor-beta (TGF-beta). Furthermore, kinase activity of TAK1 was stimulated in response to TGF-beta and bone morphogenetic protein. These results suggest that TAK1 functions as a mediator in the signaling pathway of TGF-beta superfamily members.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yamaguchi, K -- Shirakabe, K -- Shibuya, H -- Irie, K -- Oishi, I -- Ueno, N -- Taniguchi, T -- Nishida, E -- Matsumoto, K -- New York, N.Y. -- Science. 1995 Dec 22;270(5244):2008-11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Faculty of Science, Nagoya University, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8533096" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; Animals ; Base Sequence ; Bone Morphogenetic Proteins ; Cell Line ; Cloning, Molecular ; Epidermal Growth Factor/pharmacology ; *Gene Expression Regulation ; Genes, Reporter ; *MAP Kinase Kinase Kinases ; Mice ; Molecular Sequence Data ; Protein-Serine-Threonine Kinases/*metabolism ; Proteins/pharmacology ; Saccharomyces cerevisiae/genetics ; *Signal Transduction ; Transfection ; Transforming Growth Factor beta/*pharmacology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1995-12-22
    Beschreibung: Hydrolysis of guanosine triphosphate (GTP) by the small guanosine triphosphatase (GTPase) adenosine diphosphate ribosylation factor-1 (ARF1) depends on a GTPase-activating protein (GAP). A complementary DNA encoding the ARF1 GAP was cloned from rat liver and predicts a protein with a zinc finger motif near the amino terminus. The GAP function required an intact zinc finger and additional amino-terminal residues. The ARF1 GAP was localized to the Golgi complex and was redistributed into a cytosolic pattern when cells were treated with brefeldin A, a drug that prevents ARF1-dependent association of coat proteins with the Golgi. Thus, the GAP is likely to be recruited to the Golgi by an ARF1-dependent mechanism.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cukierman, E -- Huber, I -- Rotman, M -- Cassel, D -- New York, N.Y. -- Science. 1995 Dec 22;270(5244):1999-2002.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Technion-Israel Institute of Technology, Haifa, Israel.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8533093" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): ADP-Ribosylation Factor 1 ; ADP-Ribosylation Factors ; Alternative Splicing ; Amino Acid Sequence ; Animals ; Base Sequence ; Brefeldin A ; Cloning, Molecular ; Cyclopentanes/pharmacology ; Cytosol/metabolism ; DNA, Complementary ; GTP-Binding Proteins/*metabolism ; GTPase-Activating Proteins ; Golgi Apparatus/*metabolism ; Guanosine Triphosphate/metabolism ; Liver/metabolism ; Molecular Sequence Data ; Proteins/chemistry/genetics/isolation & purification/*metabolism ; Rats ; *Zinc Fingers
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1995-12-22
    Beschreibung: Skeletal muscle development is controlled by a family of muscle-specific basic helix-loop-helix (bHLH) transcription factors. Two bHLH genes, dHAND and eHAND, have now been isolated that are expressed in the bilateral heart primordia and subsequently throughout the primitive tubular heart and its derivatives during chick and mouse embryogenesis. Incubation of stage 8 chick embryos with dHAND and eHAND antisense oligonucleotides revealed that either oligonucleotide alone had no effect on embryonic development, whereas together they arrested development at the looping heart tube stage. Thus, dHAND and eHAND may play redundant roles in the regulation of the morphogenetic events of vertebrate heart development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Srivastava, D -- Cserjesi, P -- Olson, E N -- New York, N.Y. -- Science. 1995 Dec 22;270(5244):1995-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Biology, University of Texas M. D. Anderson Cancer Center, Houston 77030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8533092" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Actins/genetics ; Amino Acid Sequence ; Animals ; Base Sequence ; Basic Helix-Loop-Helix Transcription Factors ; Cardiovascular System/embryology/metabolism ; Chick Embryo ; DNA-Binding Proteins/biosynthesis/chemistry/*genetics/physiology ; Embryonic and Fetal Development ; Gene Expression ; Heart/*embryology ; *Helix-Loop-Helix Motifs ; In Situ Hybridization ; MEF2 Transcription Factors ; Mesoderm/metabolism ; Mice ; Molecular Sequence Data ; Morphogenesis ; Myocardium/metabolism ; *Myogenic Regulatory Factors ; Oligonucleotides, Antisense/pharmacology ; Transcription Factors/biosynthesis/chemistry/*genetics/physiology ; Zebrafish Proteins
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1995-12-22
    Beschreibung: It has been proposed that modern humans descended from a single woman, the "mitochondrial Eve" who lived in Africa 100,000 to 200,000 years ago. The human immune system DRB1 genes are extremely polymorphic, with gene lineages that coalesce into an ancestor who lived around 60 million years ago, a time before the divergence of the apes from the Old World monkeys. The theory of gene coalescence suggests that, throughout the last 60 million years, human ancestral populations had an effective size of 100,000 individuals or greater. Molecular evolution data favor the African origin of modern humans, but the weight of the evidence is against a population bottleneck before their emergence. The mitochondrial Eve hypothesis emanates from a confusion between gene genealogies and individual genealogies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ayala, F J -- New York, N.Y. -- Science. 1995 Dec 22;270(5244):1930-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of California, Irvine, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8533083" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Africa ; Animals ; Cercopithecidae/genetics ; Computer Simulation ; DNA, Mitochondrial/genetics ; DNA-Binding Proteins/genetics ; *Evolution, Molecular ; Female ; Fossils ; Genes, MHC Class II ; Genetics, Population ; HLA-DR Antigens/genetics ; HLA-DRB1 Chains ; *Hominidae/genetics ; Humans ; Kruppel-Like Transcription Factors ; Male ; Mutation ; Selection, Genetic ; Transcription Factors
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1995-12-22
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ashburner, M -- New York, N.Y. -- Science. 1995 Dec 22;270(5244):1941-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, University of Cambridge, England.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8533084" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *DNA Transposable Elements ; Diptera/*genetics ; Drosophila/*genetics ; Genetic Vectors ; Pest Control, Biological ; *Transformation, Genetic
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 9
    Publikationsdatum: 1995-12-22
    Beschreibung: Exogenous functional DNA was introduced into the germline chromosomes of the Mediterranean fruit fly (medfly) Ceratitis capitata with a germline transformation system based on the transposable element Minos from Drosophila hydei. Transformants were identified as phenotypic revertants of a white-eyed mutation carried by the recipient strain. Clusters of transformants were detected among the progeny of 390 individuals screened for germline transformation. Five independent and phenotypically active integration events were identified, in each of which a single copy of the transposon was inserted into a different site of the medfly genome. Molecular analysis indicates that they represent transposase-mediated insertions of the transposon into medfly chromosomes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Loukeris, T G -- Livadaras, I -- Arca, B -- Zabalou, S -- Savakis, C -- New York, N.Y. -- Science. 1995 Dec 22;270(5244):2002-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Crete, Greece.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8533094" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Animals, Genetically Modified ; Crosses, Genetic ; *DNA Transposable Elements ; Diptera/*genetics ; Drosophila/*genetics ; Eye Color/genetics ; Female ; *Gene Transfer Techniques ; Genes, Insect ; Genetic Vectors ; Hot Temperature ; Male ; Phenotype ; *Transformation, Genetic
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 10
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1995-12-22
    Beschreibung: The cerebellar cortex is implicated in the learning of complex motor skills. This learning may require synaptic remodeling of Purkinje cell inputs. An extracellular serine protease, tissue plasminogen activator (tPA), is involved in remodeling various nonneural tissues and is associated with developing and regenerating neurons. In situ hybridization showed that expression of tPA messenger RNA was increased in the Purkinje neurons of rats within an hour of their being trained for a complex motor task. Antibody to tPA also showed the induction of tPA protein associated with cerebellar Purkinje cells. Thus, the induction of tPA during motor learning may play a role in activity-dependent synaptic plasticity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Seeds, N W -- Williams, B L -- Bickford, P C -- AG-04418/AG/NIA NIH HHS/ -- NS-09818/NS/NINDS NIH HHS/ -- T32-GM 08497/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1995 Dec 22;270(5244):1992-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Neuroscience Program, University of Colorado Health Sciences Center, Denver 80262, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8533091" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Cerebellum/enzymology ; Enzyme Induction ; In Situ Hybridization ; Learning/*physiology ; Male ; Motor Skills/*physiology ; Neuronal Plasticity ; Physical Conditioning, Animal ; Psychomotor Performance/*physiology ; Purkinje Cells/*enzymology ; Rats ; Rats, Inbred F344 ; Tissue Plasminogen Activator/*biosynthesis/genetics
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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