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  • Articles  (7)
  • Science  (1)
  • Science. 230(4723): 311-2. doi: 10.1126/science.230.4723.311-a.  (1)
  • Science. 266(5191): 1719-23.  (1)
  • Science. 293(5535): 1604-5. doi: 10.1126/science.1062026.  (1)
  • Science. 306(5699): 1172-4. doi: 10.1126/science.1102036.  (1)
  • Science. 333(6040): 342-5. doi: 10.1126/science.1204831.  (1)
  • Science. 333(6041): 448-50. doi: 10.1126/science.1206357.  (1)
  • 25
  • Natural Sciences in General  (7)
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  • Articles  (7)
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  • 1
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    Social science and ecology. Networking tips for social scientists and ecologists (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-09-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McMahon, S M -- Miller, K H -- Drake, J -- New York, N.Y. -- Science. 2001 Aug 31;293(5535):1604-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Complex Systems Group, Department of Ecology and Evolutionary Biology, University of Tennessee, Knoxville, TN 37996, USA. seanmcm@utk.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11533467" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Computer Graphics ; Computer Simulation ; *Ecosystem ; Food Chain ; Group Processes ; Humans ; Mathematics ; *Social Behavior ; *Social Environment ; Social Support ; *Software
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Prospects for building the tree of life from large sequence databases (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-11-13
    Description: We assess the phylogenetic potential of approximately 300,000 protein sequences sampled from Swiss-Prot and GenBank. Although only a small subset of these data was potentially phylogenetically informative, this subset retained a substantial fraction of the original taxonomic diversity. Sampling biases in the databases necessitate building phylogenetic data sets that have large numbers of missing entries. However, an analysis of two "supermatrices" suggests that even data sets with as much as 92% missing data can provide insights into broad sections of the tree of life.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Driskell, Amy C -- Ane, Cecile -- Burleigh, J Gordon -- McMahon, Michelle M -- O'meara, Brian C -- Sanderson, Michael J -- New York, N.Y. -- Science. 2004 Nov 12;306(5699):1172-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Evolution and Ecology, University of California, One Shields Avenue, Davis, CA 95616, USA. acdriskell@ucdavis.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15539599" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anopheles/classification/genetics ; Biodiversity ; *Biological Evolution ; Classification ; Computational Biology ; *Databases, Nucleic Acid ; *Databases, Protein ; Multigene Family ; *Phylogeny ; Plant Proteins/genetics ; Plants/classification/genetics ; Spodoptera/classification/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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  • 3
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    Differential activation of ERK and JNK mitogen-activated protein kinases by Raf-1 and MEKK (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-12-09
    Description: Growth factors activate mitogen-activated protein kinases (MAPKs), including extracellular signal-regulated kinases (ERKs) and Jun kinases (JNKs). Although the signaling cascade from growth factor receptors to ERKs is relatively well understood, the pathway leading to JNK activation is more obscure. Activation of JNK by epidermal growth factor (EGF) or nerve growth factor (NGF) was dependent on H-Ras activation, whereas JNK activation by tumor necrosis factor alpha (TNF-alpha) was Ras-independent. Ras activates two protein kinases, Raf-1 and MEK (MAPK, or ERK, kinase) kinase (MEKK). Raf-1 contributes directly to ERK activation but not to JNK activation, whereas MEKK participated in JNK activation but caused ERK activation only after overexpression. These results demonstrate the existence of two distinct Ras-dependent MAPK cascades--one initiated by Raf-1 leading to ERK activation, and the other initiated by MEKK leading to JNK activation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Minden, A -- Lin, A -- McMahon, M -- Lange-Carter, C -- Derijard, B -- Davis, R J -- Johnson, G L -- Karin, M -- New York, N.Y. -- Science. 1994 Dec 9;266(5191):1719-23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, School of Medicine, University of California at San Diego, La Jolla 92093-0636.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7992057" target="_blank"〉PubMed〈/a〉
    Keywords: 3T3 Cells ; Animals ; Calcium-Calmodulin-Dependent Protein Kinases/*metabolism ; Enzyme Activation/drug effects ; Epidermal Growth Factor/pharmacology ; Genes, ras ; HeLa Cells ; Humans ; JNK Mitogen-Activated Protein Kinases ; *MAP Kinase Kinase Kinase 1 ; Mice ; Mitogen-Activated Protein Kinase 1 ; *Mitogen-Activated Protein Kinases ; Nerve Growth Factors/pharmacology ; PC12 Cells ; Protein-Serine-Threonine Kinases/*metabolism ; Protein-Tyrosine Kinases/*metabolism ; Proto-Oncogene Proteins/*metabolism ; Proto-Oncogene Proteins c-raf ; Rats ; Transfection ; Tumor Necrosis Factor-alpha/pharmacology ; ras Proteins/*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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  • 4
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    Control of mitotic spindle angle by the RAS-regulated ERK1/2 pathway determines lung tube shape (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-07-19
    Description: During early lung development, airway tubes change shape. Tube length increases more than circumference as a large proportion of lung epithelial cells divide parallel to the airway longitudinal axis. We show that this bias is lost in mutants with increased extracellular signal-regulated kinase 1 (ERK1) and ERK2 activity, revealing a link between the ERK1/2 signaling pathway and the control of mitotic spindle orientation. Using a mathematical model, we demonstrate that change in airway shape can occur as a function of spindle angle distribution determined by ERK1/2 signaling, independent of effects on cell proliferation or cell size and shape. We identify sprouty genes, which encode negative regulators of fibroblast growth factor 10 (FGF10)-mediated RAS-regulated ERK1/2 signaling, as essential for controlling airway shape change during development through an effect on mitotic spindle orientation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4260627/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4260627/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tang, Nan -- Marshall, Wallace F -- McMahon, Martin -- Metzger, Ross J -- Martin, Gail R -- 5T32HL007185/HL/NHLBI NIH HHS/ -- R01 CA131201/CA/NCI NIH HHS/ -- R01 CA131261/CA/NCI NIH HHS/ -- R01 CA78711/CA/NCI NIH HHS/ -- R01 DE17744/DE/NIDCR NIH HHS/ -- R01 GM077004/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2011 Jul 15;333(6040):342-5. doi: 10.1126/science.1204831.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anatomy, University of California, San Francisco, CA 94158, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21764747" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing ; Animals ; Cell Polarity ; Cell Proliferation ; Cell Shape ; Cell Size ; Epithelial Cells/cytology ; Fibroblast Growth Factor 10/genetics/metabolism ; Intracellular Signaling Peptides and Proteins ; Lung/cytology/*embryology/metabolism ; *MAP Kinase Signaling System ; Membrane Proteins/genetics/metabolism ; Mice ; Mice, Knockout ; Mitogen-Activated Protein Kinase 1/*metabolism ; Mitogen-Activated Protein Kinase 3/*metabolism ; Mitosis ; Models, Biological ; *Morphogenesis ; Mutation ; Organogenesis ; Phosphoproteins/genetics/metabolism ; Phosphorylation ; Proto-Oncogene Proteins p21(ras)/genetics/*metabolism ; Respiratory Mucosa/cytology/*embryology ; Spindle Apparatus/*physiology/ultrastructure
    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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    Terraces in phylogenetic tree space (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-06-18
    Description: A key step in assembling the tree of life is the construction of species-rich phylogenies from multilocus--but often incomplete--sequence data sets. We describe previously unknown structure in the landscape of solutions to the tree reconstruction problem, comprising sometimes vast "terraces" of trees with identical quality, arranged on islands of phylogenetically similar trees. Phylogenetic ambiguity within a terrace can be characterized efficiently and then ameliorated by new algorithms for obtaining a terrace's maximum-agreement subtree or by identifying the smallest set of new targets for additional sequencing. Algorithms to find optimal trees or estimate Bayesian posterior tree distributions may need to navigate strategically in the neighborhood of large terraces in tree space.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sanderson, Michael J -- McMahon, Michelle M -- Steel, Mike -- New York, N.Y. -- Science. 2011 Jul 22;333(6041):448-50. doi: 10.1126/science.1206357. Epub 2011 Jun 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA. sanderm@email.arizona.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21680810" target="_blank"〉PubMed〈/a〉
    Keywords: Algorithms ; Angiosperms/*classification/genetics ; Animals ; Arthropods/*classification/genetics ; Bayes Theorem ; Biological Evolution ; Colubridae/*classification/genetics ; Data Interpretation, Statistical ; Genomics/methods ; Likelihood Functions ; *Models, Statistical ; *Phylogeny ; Poaceae/classification/genetics ; Sequence Alignment
    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
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    Developments at MIT: A Century of Electrical Engineering and Computer Science at MIT, 1882-1982 (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-10-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McMahon, A M -- New York, N.Y. -- Science. 1985 Oct 18;230(4723):311-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17782463" target="_blank"〉PubMed〈/a〉
    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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    Broadly protective human antibodies that target the active site of influenza virus neuraminidase (2019)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2019
    Description: 〈p〉Better vaccines against influenza virus are urgently needed to provide broader protection against diverse strains, subtypes, and types. Such efforts are assisted by the identification of novel broadly neutralizing epitopes targeted by protective antibodies. Influenza vaccine development has largely focused on the hemagglutinin, but the other major surface antigen, the neuraminidase, has reemerged as a potential target for universal vaccines. We describe three human monoclonal antibodies isolated from an H3N2-infected donor that bind with exceptional breadth to multiple different influenza A and B virus neuraminidases. These antibodies neutralize the virus, mediate effector functions, are broadly protective in vivo, and inhibit neuraminidase activity by directly binding to the active site. Structural and functional characterization of these antibodies will inform the development of neuraminidase-based universal vaccines against influenza virus.〈/p〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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