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  • 1
    Publication Date: 1999-02-12
    Description: The ETR1 receptor from Arabidopsis binds the gaseous hormone ethylene. A copper ion associated with the ethylene-binding domain is required for high-affinity ethylene-binding activity. A missense mutation in the domain that renders the plant insensitive to ethylene eliminates both ethylene binding and the interaction of copper with the receptor. A sequence from the genome of the cyanobacterium Synechocystis sp. strain 6803 that shows homology to the ethylene-binding domain of ETR1 encodes a functional ethylene-binding protein. On the basis of sequence conservation between the Arabidopsis and the cyanobacterial ethylene-binding domains and on in vitro mutagenesis of ETR1, a structural model for this copper-based ethylene sensor domain is presented.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rodriguez, F I -- Esch, J J -- Hall, A E -- Binder, B M -- Schaller, G E -- Bleecker, A B -- New York, N.Y. -- Science. 1999 Feb 12;283(5404):996-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Botany, 430 Lincoln Drive, University of Wisconsin, Madison, WI 53706, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9974395" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Amino Acid Substitution ; Arabidopsis/genetics/*metabolism ; Bacterial Proteins/chemistry/genetics ; Binding Sites ; Conserved Sequence ; Copper/analysis/*metabolism ; Copper Sulfate/pharmacology ; Cyanobacteria/genetics/metabolism ; Dimerization ; Ethylenes/*metabolism ; Models, Molecular ; Mutagenesis ; Open Reading Frames ; Plant Proteins/chemistry/genetics/isolation & purification/*metabolism ; Receptors, Cell Surface/chemistry/genetics/isolation & purification/*metabolism ; Recombinant Fusion Proteins/chemistry/metabolism ; Saccharomyces cerevisiae ; Silver/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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  • 2
    Publication Date: 2015-02-12
    Description: The urban microclimate is due to complex physical interactions with the contribution of water balance, thermo-radiative exchanges and airflows. In this paper, we present and discuss modeling of heat island effects and mitigation techniques in order to give consistent results considering different time and space scales, and different fluxes (heat, water and winds) from ground to urban canopy, including buildings. The models and numerical descriptions are presented in detail and illustrated on typical examples of heat island mitigation techniques. At the neighborhood scale, alternative rainwater management techniques are studied by considering their impact on both seasonal water table depth and surface-atmosphere heat fluxes. Assessing the building thermal performance interactions with the microclimate requires adapted models that have to be refined for a better description of building envelope and systems effects. Two examples at the street and the neighborhood scale, modifying the building radiative properties or using green envelopes, show how simulation brings out the potential benefits of these techniques for the heat island mitigation and building energy performance.
    Keywords: Built environment and low-carbon society
    Print ISSN: 1748-1317
    Electronic ISSN: 1748-1325
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
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