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  • Animals  (736)
  • Polymer and Materials Science
  • 2015-2019
  • 2005-2009  (736)
  • 1970-1974
  • 2006  (736)
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  • 2015-2019
  • 2005-2009  (736)
  • 1970-1974
Year
  • 1
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2006-12-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Flint, R Warren -- New York, N.Y. -- Science. 2006 Dec 22;314(5807):1875-6; author reply 1875-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17190011" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Aquaculture/legislation & jurisprudence ; Ecosystem ; Environment ; Fisheries/legislation & jurisprudence ; Oceans and Seas ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2006-12-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Glenner, Henrik -- Thomsen, Philip Francis -- Hebsgaard, Martin Bay -- Sorensen, Martin Vinther -- Willerslev, Eske -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2006 Dec 22;314(5807):1883-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Ancient Genetics, Department of Evolutionary Biology, Biological Institute, University of Copenhagen, Universitetsparken 15, DK-2100 Copenhagen, Denmark. ewillerslev@bi.ku.dk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17185588" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Biological ; Animals ; *Biological Evolution ; *Crustacea/anatomy & histology/classification/genetics/physiology ; Ecosystem ; Fossils ; Fresh Water ; *Insects/anatomy & histology/classification/genetics/physiology ; Phylogeny ; Seawater ; Time
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 2006-12-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leslie, Mitch -- New York, N.Y. -- Science. 2006 Dec 22;314(5807):1865.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17185579" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bone Morphogenetic Proteins/*pharmacology ; Bone and Bones/*cytology ; Cell Differentiation ; Cell Lineage ; Cells, Cultured ; Extracellular Matrix ; Myoblasts/cytology ; Rats ; Stem Cells/*cytology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2006-12-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goudey, Clifford A -- New York, N.Y. -- Science. 2006 Dec 22;314(5807):1875-6; author reply 1875-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17185585" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aquaculture/*legislation & jurisprudence ; Ecosystem ; Environment ; Fisheries/legislation & jurisprudence ; Oceans and Seas ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2006-12-23
    Description: Fossils of a giant sauropod dinosaur, Turiasaurus riodevensis, have been recovered from terrestrial deposits of the Villar del Arzobispo Formation (Jurassic-Cretaceous boundary) of Riodeva (Teruel Province, Spain). Its humerus length (1790 millimeters) and estimated mass (40 to 48 metric tons) indicate that it may have been the most massive terrestrial animal in Europe and one of the largest in the world. Phylogenetic analysis indicates that the fossil represents a member of a hitherto unrecognized group of primitive European eusauropods that evolved in the Jurassic.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Royo-Torres, Rafael -- Cobos, Alberto -- Alcala, Luis -- New York, N.Y. -- Science. 2006 Dec 22;314(5807):1925-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Fundacion Conjunto Paleontologico de Teruel-Dinopolis. Avenida de Sagunto, E-44002 Teruel, Spain. royo@dinopolis.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17185599" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Body Size ; Body Weight ; Bone and Bones/anatomy & histology ; *Dinosaurs/anatomy & histology/classification ; Forelimb/anatomy & histology ; *Fossils ; Humerus/anatomy & histology ; Paleodontology ; Spain ; Spine/anatomy & histology ; Tooth/anatomy & histology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 2006-12-23
    Description: A 13-million-year continuous record of Oligocene climate from the equatorial Pacific reveals a pronounced "heartbeat" in the global carbon cycle and periodicity of glaciations. This heartbeat consists of 405,000-, 127,000-, and 96,000-year eccentricity cycles and 1.2-million-year obliquity cycles in periodically recurring glacial and carbon cycle events. That climate system response to intricate orbital variations suggests a fundamental interaction of the carbon cycle, solar forcing, and glacial events. Box modeling shows that the interaction of the carbon cycle and solar forcing modulates deep ocean acidity as well as the production and burial of global biomass. The pronounced 405,000-year eccentricity cycle is amplified by the long residence time of carbon in the oceans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palike, Heiko -- Norris, Richard D -- Herrle, Jens O -- Wilson, Paul A -- Coxall, Helen K -- Lear, Caroline H -- Shackleton, Nicholas J -- Tripati, Aradhna K -- Wade, Bridget S -- New York, N.Y. -- Science. 2006 Dec 22;314(5807):1894-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Oceanography Centre, Southampton, School of Ocean and Earth Science, European Way, Southampton SO14 3ZH, UK. H.Palike@soton.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17185595" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomass ; Calcium Carbonate/analysis ; *Carbon ; Carbon Isotopes/analysis ; *Climate ; Geologic Sediments/chemistry ; *Ice Cover ; Oxygen Isotopes/analysis ; Pacific Ocean ; Plankton ; Sunlight ; Time
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
    Publication Date: 2006-12-23
    Description: Cartilaginous fishes represent the living group of jawed vertebrates that diverged from the common ancestor of human and teleost fish lineages about 530 million years ago. We generated approximately 1.4x genome sequence coverage for a cartilaginous fish, the elephant shark (Callorhinchus milii), and compared this genome with the human genome to identify conserved noncoding elements (CNEs). The elephant shark sequence revealed twice as many CNEs as were identified by whole-genome comparisons between teleost fishes and human. The ancient vertebrate-specific CNEs in the elephant shark and human genomes are likely to play key regulatory roles in vertebrate gene expression.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Venkatesh, Byrappa -- Kirkness, Ewen F -- Loh, Yong-Hwee -- Halpern, Aaron L -- Lee, Alison P -- Johnson, Justin -- Dandona, Nidhi -- Viswanathan, Lakshmi D -- Tay, Alice -- Venter, J Craig -- Strausberg, Robert L -- Brenner, Sydney -- New York, N.Y. -- Science. 2006 Dec 22;314(5807):1892.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Molecular and Cell Biology, 61 Biopolis Drive, Singapore 138673. mcbbv@imcb.a-star.edu.sg〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17185593" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; *Conserved Sequence ; DNA, Intergenic ; Enhancer Elements, Genetic ; Evolution, Molecular ; Genome ; *Genome, Human ; Humans ; Molecular Sequence Data ; *Regulatory Sequences, Nucleic Acid ; Sharks/*genetics ; Takifugu/genetics ; Zebrafish/genetics
    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
    Publication Date: 2006-12-23
    Description: The germinal center (GC) is an important site for the generation and selection of B cells bearing high-affinity antibodies, yet GC cell migration and interaction dynamics have not been directly observed. Using two-photon microscopy of mouse lymph nodes, we revealed that GC B cells are highly motile and extend long cell processes. They transited between GC dark and light zones and divided in both regions, although these B cells resided for only several hours in the light zone where antigen is displayed. GC B cells formed few stable contacts with GC T cells despite frequent encounters, and T cells were seen to carry dead B cell blebs. On the basis of these observations, we propose a model in which competition for T cell help plays a more dominant role in the selection of GC B cells than previously appreciated.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Allen, Christopher D C -- Okada, Takaharu -- Tang, H Lucy -- Cyster, Jason G -- New York, N.Y. -- Science. 2007 Jan 26;315(5811):528-31. Epub 2006 Dec 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Department of Microbiology and Immunology, University of California, San Francisco, CA 94143, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17185562" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Antibody Affinity ; B-Lymphocytes/*cytology/*immunology/physiology ; Cell Cycle ; Cell Death ; Cell Movement ; Dendritic Cells, Follicular/cytology/physiology ; Germinal Center/cytology/*immunology ; Macrophages/physiology ; Mice ; Mice, Inbred C57BL ; Microscopy/methods ; Models, Immunological ; Mutation ; T-Lymphocytes/cytology/immunology/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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  • 9
    Publication Date: 2006-12-23
    Description: Synonymous single-nucleotide polymorphisms (SNPs) do not produce altered coding sequences, and therefore they are not expected to change the function of the protein in which they occur. We report that a synonymous SNP in the Multidrug Resistance 1 (MDR1) gene, part of a haplotype previously linked to altered function of the MDR1 gene product P-glycoprotein (P-gp), nonetheless results in P-gp with altered drug and inhibitor interactions. Similar mRNA and protein levels, but altered conformations, were found for wild-type and polymorphic P-gp. We hypothesize that the presence of a rare codon, marked by the synonymous polymorphism, affects the timing of cotranslational folding and insertion of P-gp into the membrane, thereby altering the structure of substrate and inhibitor interaction sites.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kimchi-Sarfaty, Chava -- Oh, Jung Mi -- Kim, In-Wha -- Sauna, Zuben E -- Calcagno, Anna Maria -- Ambudkar, Suresh V -- Gottesman, Michael M -- Intramural NIH HHS/ -- New York, N.Y. -- Science. 2007 Jan 26;315(5811):525-8. Epub 2006 Dec 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, Bethesda, MD 20892, USA. kimchi@cber.fda.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17185560" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cell Membrane/metabolism ; Cercopithecus aethiops ; Codon ; Cyclosporine/pharmacology ; *Genes, MDR ; Haplotypes ; HeLa Cells ; Humans ; Mutagenesis, Site-Directed ; P-Glycoprotein/antagonists & inhibitors/*chemistry/genetics/*metabolism ; *Polymorphism, Single Nucleotide ; Protein Biosynthesis ; Protein Conformation ; *Protein Folding ; Protein Structure, Tertiary ; RNA, Messenger/genetics/metabolism ; Reverse Transcriptase Polymerase Chain Reaction ; Rhodamine 123/metabolism/pharmacology ; Sirolimus/pharmacology ; Substrate Specificity ; Transfection ; Verapamil/metabolism/pharmacology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
    Publication Date: 2006-12-23
    Description: Double-stranded RNA, processed to small interfering RNAs (siRNAs) by Dicer and incorporated into the RNA-induced silencing complex (RISC), triggers gene silencing by a variety of pathways in eukaryotes. RNA interference involving the degradation of homologous transcripts is the best-characterized mechanism. However, the fate of the RNA fragments resulting from siRNA-directed cleavage is poorly understood. We have identified a gene (MUT68) in the unicellular green alga Chlamydomonas reinhardtii that is required for the efficient decay of siRNA-targeted transcripts. MUT68 encodes a noncanonical polyadenylate polymerase that adds untemplated adenines to the 5' RNA fragments after siRNA-mediated cleavage and appears to stimulate their exosome-dependent degradation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ibrahim, Fadia -- Rohr, Jennifer -- Jeong, Won-Joong -- Hesson, Jennifer -- Cerutti, Heriberto -- GM62915/GM/NIGMS NIH HHS/ -- R01 GM062915-06/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2006 Dec 22;314(5807):1893.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biological Sciences and Plant Science Initiative, University of Nebraska, Lincoln, NE 68588, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17185594" target="_blank"〉PubMed〈/a〉
    Keywords: Adenine Nucleotides/*metabolism ; Animals ; Chlamydomonas reinhardtii/enzymology/*genetics/*metabolism ; Exoribonucleases/metabolism ; Molecular Sequence Data ; Oligoribonucleotides/*metabolism ; Polynucleotide Adenylyltransferase/genetics/*metabolism ; RNA, Messenger/genetics/*metabolism ; RNA, Small Interfering/metabolism ; RNA-Induced Silencing Complex/*metabolism ; Reverse Transcriptase Polymerase Chain Reaction ; Templates, Genetic ; Transgenes ; Tryptophan Synthase/genetics ; Uracil Nucleotides/metabolism
    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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