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  • 1
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    Extensive diversity of Ig-superfamily proteins in the immune system of insects (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-08-20
    Description: The extensive somatic diversification of immune receptors is a hallmark of higher vertebrates. However, whether molecular diversity contributes to immune protection in invertebrates is unknown. We present evidence that Drosophila immune-competent cells have the potential to express more than 18,000 isoforms of the immunoglobulin (Ig)-superfamily receptor Down syndrome cell adhesion molecule (Dscam). Secreted protein isoforms of Dscam were detected in the hemolymph, and hemocyte-specific loss of Dscam impaired the efficiency of phagocytic uptake of bacteria, possibly due to reduced bacterial binding. Importantly, the molecular diversity of Dscam transcripts generated through a mechanism of alternative splicing is highly conserved across major insect orders, suggesting an unsuspected molecular complexity of the innate immune system of insects.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Watson, Fiona L -- Puttmann-Holgado, Roland -- Thomas, Franziska -- Lamar, David L -- Hughes, Michael -- Kondo, Masahiro -- Rebel, Vivienne I -- Schmucker, Dietmar -- 1RO1-NS46747-01/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2005 Sep 16;309(5742):1874-8. Epub 2005 Aug 18.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cancer Biology, Dana Farber Cancer Institute, Department of Neurobiology, Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16109846" target="_blank"〉PubMed〈/a〉
    Keywords: *Alternative Splicing ; Amino Acid Sequence ; Animals ; Animals, Genetically Modified ; Brain/metabolism ; Cell Adhesion Molecules ; Cell Line ; Drosophila Proteins/chemistry/*genetics/*immunology/metabolism ; Drosophila melanogaster/*genetics/*immunology/metabolism ; Escherichia coli/immunology/metabolism ; Fat Body/metabolism ; Hemocytes/immunology/*metabolism ; Hemolymph/chemistry ; Immunity, Innate ; Immunoglobulins/chemistry ; Insects/chemistry/genetics ; Molecular Sequence Data ; Neurons/metabolism ; Oligonucleotide Array Sequence Analysis ; Phagocytosis ; Protein Isoforms/chemistry/genetics/metabolism ; Protein Structure, Tertiary ; RNA Interference ; Receptors, Immunologic/immunology/metabolism
    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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    Integrating population- and individual-level information in a movement model of Yellowstone bison (2014)
    Wiley
    Details
    Publication Date: 2014-03-01
    Description: Throughout the world, fragmentation of landscapes by human activities has constrained the opportunity for large herbivores to migrate. Conflict between people and wildlife results when migrating animals transmit disease to livestock, damage property, and threaten human safety. Mitigating this conflict requires understanding the forces that shape migration patterns. Bison Bos bison migrating from Yellowstone National Park into the state of Montana during winter and spring concern ranchers on lands surrounding the park because bison can transmit brucellosis (Brucella abortus) to cattle. Migrations have been constrained, with bison being lethally removed or moved back into the park. We developed a state-space model to support decisions on bison management aimed at mitigating conflict with landowners outside the park. The model integrated recent GPS observations with 22 years (1990?2012) of aerial counts to forecast monthly distributions and identify factors driving migration. Wintering areas were located along decreasing elevation gradients, and bison accumulated in wintering areas prior to moving to areas progressively lower in elevation. Bison movements were affected by time since the onset of snowpack, snowpack magnitude, standing crop, and herd size. Migration pathways were increasingly used over time, suggesting that experience or learning influenced movements. To support adaptive management of Yellowstone bison, we forecast future movements to evaluate alternatives. Our approach of developing models capable of making explicit probabilistic forecasts of large herbivore movements and seasonal distributions is applicable to managing the migratory movements of large herbivores worldwide. These forecasts allow managers to develop and refine strategies in advance, and promote sound decision-making that reduces conflict as migratory animals come into contact with people. # doi:10.1890/13-0137.1
    Print ISSN: 1051-0761
    Electronic ISSN: 1939-5582
    Topics: Biology
    Published by Wiley on behalf of The Ecological Society of America (ESA).
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  • 3
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    Automated generation of distributed-lumped- active network design charts by digital computer root-locus techniques (1969)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Automated generation of distributed-lumped-active network design charts by digital computer root- locus technique
    Keywords: COMPUTERS
    Type: NASA-CR-105759
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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