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  • 1
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    Mammalian TOR: a homeostatic ATP sensor (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-11-03
    Description: The bacterial macrolide rapamycin is an efficacious anticancer agent against solid tumors. In a hypoxic environment, the increase in mass of solid tumors is dependent on the recruitment of mitogens and nutrients. When nutrient concentrations change, particularly those of essential amino acids, the mammalian Target of Rapamycin (mTOR) functions in regulatory pathways that control ribosome biogenesis and cell growth. In bacteria, ribosome biogenesis is independently regulated by amino acids and adenosine triphosphate (ATP). Here we demonstrate that the mTOR pathway is influenced by the intracellular concentration of ATP, independent of the abundance of amino acids, and that mTOR itself is an ATP sensor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dennis, P B -- Jaeschke, A -- Saitoh, M -- Fowler, B -- Kozma, S C -- Thomas, G -- New York, N.Y. -- Science. 2001 Nov 2;294(5544):1102-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Friedrich Miescher Institute for Biomedical Research, Maulbeerstrasse 66, CH-4058, Basel, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11691993" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing ; Adenosine Triphosphate/*metabolism ; Amino Acids/metabolism ; Androstadienes/pharmacology ; Carrier Proteins/metabolism ; Cell Line ; Deoxyglucose/pharmacology ; Enzyme Activation ; Homeostasis ; Humans ; Insulin/pharmacology ; Kinetics ; Phosphoproteins/metabolism ; Phosphorylation ; Protein Kinases/*metabolism ; RNA, Transfer, Amino Acyl/metabolism ; Recombinant Fusion Proteins/metabolism ; Ribosomal Protein S6 Kinases/antagonists & inhibitors/metabolism ; Ribosomes/metabolism ; Rotenone/pharmacology ; Signal Transduction ; Sirolimus/pharmacology ; TOR Serine-Threonine Kinases
    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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    Increased dust deposition in the Pacific Southern Ocean during glacial periods (2014)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2014-01-25
    Description: Dust deposition in the Southern Ocean constitutes a critical modulator of past global climate variability, but how it has varied temporally and geographically is underdetermined. Here, we present data sets of glacial-interglacial dust-supply cycles from the largest Southern Ocean sector, the polar South Pacific, indicating three times higher dust deposition during glacial periods than during interglacials for the past million years. Although the most likely dust source for the South Pacific is Australia and New Zealand, the glacial-interglacial pattern and timing of lithogenic sediment deposition is similar to dust records from Antarctica and the South Atlantic dominated by Patagonian sources. These similarities imply large-scale common climate forcings, such as latitudinal shifts of the southern westerlies and regionally enhanced glaciogenic dust mobilization in New Zealand and Patagonia.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lamy, F -- Gersonde, R -- Winckler, G -- Esper, O -- Jaeschke, A -- Kuhn, G -- Ullermann, J -- Martinez-Garcia, A -- Lambert, F -- Kilian, R -- New York, N.Y. -- Science. 2014 Jan 24;343(6169):403-7. doi: 10.1126/science.1245424.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Alfred-Wegener-Institut (AWI) Helmholtz-Zentrum fur Polar- und Meeresforschung, Bremerhaven, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24458637" target="_blank"〉PubMed〈/a〉
    Keywords: Climate Change ; *Dust ; *Geologic Sediments ; *Ice Cover ; New Zealand ; Pacific Ocean ; *Seawater
    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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  • 3
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    Increased dust deposition in the Pacific Southern Ocean during glacial periods (2014)
    AAAS
    In:  EPIC3Science, AAAS, 343(6169), pp. 403-407, ISSN: 0036-8075
    Details
    Publication Date: 2018-08-10
    Description: Dust deposition in the Southern Ocean constitutes a critical modulator of past global climate variability, but how it has varied temporally and geographically is underdetermined. Here, we present data sets of glacial-interglacial dust-supply cycles from the largest Southern Ocean sector, the polar South Pacific, indicating three times higher dust deposition during glacial periods than during interglacials for the past million years. Although the most likely dust source for the South Pacific is Australia and New Zealand, the glacial-interglacial pattern and timing of lithogenic sediment deposition is similar to dust records from Antarctica and the South Atlantic dominated by Patagonian sources. These similarities imply large-scale common climate forcings, such as latitudinal shifts of the southern westerlies and regionally enhanced glaciogenic dust mobilization in New Zealand and Patagonia.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Format: application/pdf
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